JP4189914B2 - How to determine the suitability of the optimal energy source - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To select and evaluate an optimum energy source in response to a person who utilizes an energy from various energy source supply systems by storing measuring data of each energy, such as an amount of using electricity, etc., and data relating to an energy user's using facility, etc., calculating their data and analyzing the data. <P>SOLUTION: A method of determining proper or not of optimum energy source includes a step of previously storing information relating to a cogeneration system, a mono generation system, a secondary battery facility or an energy source for buying the whole amount, a step of inputting an energy load in an energy user, a step of calculating the load, a step of analyzing and calculating the cost, an energy consuming amount, etc. relating to the facility used by the energy user, a step of selecting and judging the optimum energy proposed as a new facility. <P>COPYRIGHT: (C)2005,JPO&amp;NCIPI

Description

The present invention relates to a method for determining the suitability of an optimum energy source that can smoothly judge the suitability of an optimum energy source according to energy for household use, business use, or industrial use throughout energy use from various energy source supply systems. About.

Electricity is the basic energy for people's lives and industrial activities, and the demand for electricity is steadily increasing with the progress of economic society. It is important to secure a stable supply for power demand by securing stable generation resources and diversifying power sources. In Japan, which depends on foreign countries for power generation resources, power supply and demand plans are established over a long period of time, ensuring stable supply in terms of quantity, as well as reducing supply costs and responding to a highly information-oriented society. Therefore, it is necessary to improve the reliability of power supply. In order to tackle these basic issues, the use of integrated power as an electric business, such as review and diversification of power generation resources, development of power utilization technology, diffusion of power-saving equipment, penetration of energy conservation awareness, etc. There is a request that the plan must be actively pursued.

On the other hand, energy can be used by a cogeneration system, a monogeneration system, or a secondary battery facility in addition to the purchase of electricity provided by an electric power company. Of these various energy source supply systems, it is necessary for energy users to select a supply system that is economical and environmentally friendly. Thus, when energy users select an optimal energy source supply system, the following procedure is used. That is, load information is obtained by obtaining energy measurement data (CSV data) of electricity usage and fuel usage of energy users. Analyzing the current situation of equipment from the demand for electricity and heat in the current investment. The equipment to be used was selected, and the optimal equipment was selected by comparing the power generation function and measurement data.

As a prior art regarding such an optimal energy source, as shown in Japanese Patent Application Laid-Open No. 2002-175172 “Energy Monitoring System” of Patent Document 1, the achievement status of energy savings and the operation status of equipment in a factory to be monitored are at a glance. Techniques that enable understanding are proposed.
JP 2002-175172 A

However, the conventional method for selecting an energy source supply system (equipment) requires specialized knowledge, and thus the determination work is complicated. In particular, the arbitrary judgment of the person who made the judgment was easy to enter, an appropriate judgment result could not be expected, and the judgment result was likely to vary.

In addition, there is a problem that it takes a long time for the energy user to compare the huge amount of measurement data, evaluate the energy efficiency, economic efficiency, environmental friendliness, and study the optimum equipment, and to obtain the result. .

The present invention has been developed to solve the above-described problems. That is, the object of the present invention is to accumulate various measurement data of each energy such as electricity consumption and data related to energy user's use facilities, and to calculate and analyze the data, thereby providing various energy source supply systems. It is an object of the present invention to provide a method for determining the suitability of an optimum energy source that can select and evaluate an optimum energy source according to a person using energy.

According to the present invention, it is optimal to determine whether an energy source such as a cogeneration system, a monogeneration system, a secondary battery facility, or a total power purchase is suitable for facilities used by energy users such as electricity. A method for determining the suitability of an energy source, the energy source information storing step for storing in advance information related to the energy source of purchasing the cogeneration system, the monogeneration system, the secondary battery equipment or the total amount, and the energy user Load information input stage for inputting measurement data on energy load related to purchased electric power consumption, self-generated electric energy and heat source usage, and electric load, cogeneration system, monogeneration system and heat source from measurement data in the load information input stage To load The load calculation stage to calculate and the current equipment analysis stage to analyze and calculate the cost and energy consumption related to the equipment used by the energy user, and the load required for the energy user by the load calculation stage Considering the calculation result of information and the cost of the equipment analysis stage, select which energy source of cogeneration system, monogeneration system, secondary battery equipment or total power purchase is suitable for the energy user And an energy source evaluation stage that outputs items such as initial cost, running cost, number of years of recovery, environmental assessment, energy saving, etc., according to the selected energy source. A method for determining the suitability of the optimum energy source is provided.
For example, in the load information input step, energy measurement data relating to electricity, hot water supply, heating, and cooling is calculated from the operation time of the self-generated power.

It is preferable to further include a form output stage for outputting a form about cost, energy consumption, and the like related to the equipment used by the energy user after the current equipment analysis stage. In the energy source evaluation stage, it is preferable to output matters regarding the model, number of units, etc. according to the selected energy source. It is preferable that energy measurement data relating to CO ₂ , NOX, and SOX emissions is further input to the load information input step.

In the load information input step, energy measurement data is calculated from the usage time of the heat source.

In the load information input step, the load pattern of electricity, hot water supply, heating, and cooling using heat is corrected.

In the present facility analysis stage, the self-generated electric energy for each unit price category currently being implemented by the energy user is calculated .

In the optimum energy source selection stage, annual power consumption and fuel consumption after the introduction of cogeneration facilities are calculated, and annual running costs such as electricity charges and fuel charges are calculated according to the contract type of electricity and fuel after the introduction of cogeneration facilities. wherein the calculated initial cost of the cogeneration facility, the running cost, to calculate the life cycle cost of the cogeneration facility, the life cycle cost of the current analysis and cogeneration equipment, by comparison with the running costs, to calculate the payback period, that And

In the optimum energy source selection stage, the model / output of each device of the cogeneration facility is input, and the recovered heat is calculated based on the output of the generator set based on the electric consumption and heat consumption for each hour, and the cogeneration is performed. After the installation of the equipment, it is divided into the summer peak, summer daytime, other season daytime, summer nighttime, and other nighttime, and calculates the amount of electricity for each month. Calculate the contract power after the introduction of the cogeneration facility from the power before the introduction, calculate the fuel consumption for each month after the introduction of the cogeneration facility, take the sum of each month, calculate the annual fuel consumption, Electricity charges and fuel charges are calculated according to the contract type of electricity and fuel after the installation of equipment. Calculate the annual running cost from the other running costs, calculate the life cycle cost of the cogeneration facility from the initial cost and the running cost calculated in this way, and compare the status analysis with the life cycle cost of the cogeneration facility and the running cost. It calculates the payback period, characterized in that.
In the optimum energy source selection step, CO ₂ , NOX and SOX emissions after the introduction of the cogeneration facility are further calculated and compared with the measurement data of the current facility.

In the optimum energy source selection stage, the annual power consumption and fuel consumption after the introduction of the monogeneration facility are calculated, and the annual running costs such as the electricity fee and the fuel fee are calculated according to the electricity and fuel contract type after the introduction of the monogeneration facility. calculated, the Monojene equipment initial cost, the running cost, to calculate the life cycle cost of Monojene equipment, life cycle cost of the current facility analysis and Monojene facilities, by comparison with the running costs, to calculate the payback period, that Features .

In the optimum energy source selection stage, the model / output of each device of the monogeneration facility is input, and after the introduction of the monogeneration facility, it is divided into summer peak, summer daytime, other daytime, summer night, and other season night. Calculate the amount of electricity, take the sum of each month, calculate the annual amount of electricity, calculate the contract power after the introduction of the monogeneration facility from the contract power before the introduction, and the fuel consumption of each month after the introduction of the monogeneration facility Calculate the annual fuel consumption by calculating the annual fuel consumption according to the contract type of electricity and fuel after the introduction of the above-mentioned monogeneration equipment, and calculating the annual running cost from the other running costs. From the initial cost and running cost calculated in this way, the life cycle cost of the monogeneration facility is calculated, and the current facility analysis and monogeneration facility license are calculated. Cycle cost, by comparison with the running costs, to calculate the payback period, characterized in that.
In the optimum energy source selection step, CO ₂ , NOX, and SOX emission amounts after the introduction of the monogeneration facility are further calculated and compared with the measurement data of the current facility.

The optimum energy source selection step inputs the model, output, and discharge capacity of the secondary battery, instantaneous system voltage drop, instantaneous system voltage interruption, uninterruptible power supply capacity and the number of charge / discharge days in each month, summer peak, summer Divided into daytime and other seasons, set discharge power and discharge time, divided into summer night and other season night, set charge power and charge time, divided into summer peak, summer daytime, and other season daytime, Calculate the discharge electric energy for each month, and calculate the charge electric energy for each month by dividing it into summer nights and other nights in the summer.After the introduction of the secondary battery, summer peak, summer day, other daytime, summer night, In other seasons, calculate the amount of electricity for each month, calculate the amount of electricity for each month, and calculate the amount of electricity for the year, and the contracted power after the introduction of the secondary battery from the contracted power before introduction and summer peak discharge power. From the rated discharge cycle and annual charge / discharge days Calculating a secondary battery usable life, and calculates the running cost of the secondary battery electric charges other annual from running cost which is calculated from the amount of electric power contracted power and year after the introduction, characterized in that.
In the optimum energy source selection step, CO ₂ , NOX and SOX emissions after the introduction of the secondary battery equipment are further calculated and compared with the measurement data of the current equipment.

In the optimum energy source selection stage, the amount of private power generation is added to the current power purchase amount, the monthly power purchase amount after switching to full power purchase is input, the private power generation output is added to the current contract power, and the total power purchase calculating the various contract power after switching, for each contract, to calculate the primary energy consumption of purchased power, characterized in that.

The power contract in the optimum energy source selection stage includes a business power contract, a business high load factor power contract, a business season / time zone contract, a business high load factor season / time zone contract, and a business contract. Weekend contract.

In the optimum energy source selection step, the amount of private power generation is added to the current power purchase amount, the monthly power purchase amount after switching to full power purchase is calculated, the private power generation output is added to the current contract power, and the total power purchase When the contracted power after switching is calculated and the contracted power is less than 500 kW, the high-voltage A power contract, the high-voltage A high load factor power contract, the high-voltage A season / time zone contract, the high-voltage A high load factor season / time The basic charge is calculated for the five power contracts of the band-based contract and the high-voltage A weekend contract, the monthly power is calculated for each contract, the annual power is calculated from the sum, the metered charge is calculated, and the basic charge It is characterized by adding a charge and calculating an annual electricity charge.

In the optimum energy source selection step, the amount of private power generation is added to the current power purchase amount, the monthly power purchase amount after switching to full power purchase is calculated, the private power generation output is added to the current contract power, and the total power purchase When the contract power after switching is calculated and the contract power is 500 kW or more, the high voltage B power contract, the high voltage B high load factor power contract, the high voltage B seasonal / time zone contract, the high voltage B high load factor seasonal / time The basic charge is calculated for the five power contracts of the belt-based contract and the high-voltage B weekend contract, the monthly power is calculated for each contract, the annual power is calculated from the sum, the metered charge is calculated, and the basic charge Calculate the annual electricity bill by adding the charge.
In the optimum energy source selection step, for each contract, power purchase of CO _2, NOX, calculates the SOX emissions, characterized in that.

In the energy source evaluation stage, a comparison table or a cost trial calculation table is displayed and output so that a comparison result between the current facility and the proposed facility regarding the energy user can be easily determined.

In the energy source evaluation phase, and it outputs an electric monthly load curve with the change state of the power of one year in the current equipment and proposed equipment related to the energy user, characterized in that.

In the energy source evaluation phase, and it outputs an electric daily load curves with state of change of power of 1 day in current equipment and proposed equipment related to the energy user, characterized in that.

In the above method, based on the amount of heat and electricity used by energy users, the current state of energy use is ascertained, energy efficiency, economy, and environmental performance are evaluated, and the optimum equipment is selected easily and reliably. can do. For energy users, it is possible to individually examine which energy source is suitable for a cogeneration system, a monogeneration system, a secondary battery facility, or a total power purchase. Moreover, the optimum energy source according to the person using energy can be compared and evaluated from each energy source supply system.

For purchased power, self-generated power, or heat source usage, the equipment power load for every 365 days can be calculated from the power usage for every year, every month, every week, every hour, or every year. As a result, it is possible to know the equipment load information for the energy user by analyzing the suitability of the current equipment. Annual electricity purchase price, unit price of electricity charge, self-generated electricity price, unit price of self-generated electricity, annual boiler usage charge, boiler usage charge unit price or annual heating / cooling equipment usage price, cooling / heating equipment usage price, cooling / heating equipment supplement The electricity charge can be output. Therefore, it is possible to know the running cost, the primary energy consumption, or the emission amount of CO ₂ , NOX, SOX and the like.

In particular, it is possible to determine whether or not a cogeneration system, a monogeneration system, or a secondary battery facility that is a new facility to be introduced is optimal, and to know the number of units. Compared with the current equipment, the running cost of the new equipment, the primary energy consumption of the new equipment, or the emissions of CO ₂ , NOX, SOX, etc. of the new equipment can be known.

The optimum energy source suitability determination method according to the present invention includes a cogeneration system (cogeneration facility), a monogeneration system (monogeneration facility), a secondary battery facility, or a total power purchase for facilities used by energy users such as electricity. It is a method of determining which energy source is suitable.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a flowchart showing the optimum energy source suitability determination method of the present invention.
The suitability determination method of the invention stores in advance information related to an energy source that purchases a cogeneration system, a monogeneration system, a secondary battery facility, or the entire amount in advance (storage stage for each energy source).
Next, input measurement data on energy load related to energy users' energy consumption, cogeneration system / monogeneration system energy consumption and heat source usage (load information input stage). From measurement data in load information, etc. It calculates power load, self-generated load, and heat source load (load calculation stage), and analyzes and calculates costs, energy consumption, etc. related to facilities used by energy users (current equipment analysis stage).
From the calculation result of load information necessary for such energy users, considering the cost of equipment analysis, any energy source of cogeneration system, monogeneration system, secondary battery equipment or total power purchase is the energy. Select whether it is suitable for the user (optimum energy source selection stage), and output items such as initial cost, running cost, number of years of recovery, environmental assessment, energy saving, etc. according to the selected energy source. (Energy source evaluation stage).

FIG. 2 is a block diagram showing a system for carrying out the optimum energy source suitability determination method of the present invention.
As a system for carrying out the optimum energy source suitability determination method of the present invention, there is a configuration as shown in FIG. For example, the arithmetic processing device 1, the database 2, the input device 3, the output device 4, the input processing unit 5, the search processing unit 6, the output control unit 7, the energy source-specific data 8, the data 9 on energy users, and other data There are those composed of 10.

The input device 3 is used to input data such as data 8 for each energy source, data 9 for energy users, data 10 such as other data 10, and conditions related to facilities that energy users are using. is there. The input device 3 includes a keyboard, a mouse, a tablet, a scanner, a recording medium reading unit, and the like for performing input / output mode selection input, search selection input, processing execution command input, image input, and the like. .

The output device 4 is a display that displays an input screen, a processing screen, a selection screen, input update data, processing data, a printer that performs print output, and the like.

The arithmetic processing device 1 executes various arithmetic processing based on the conditions related to the energy of the energy user input from the input device 3, and includes an input processing unit 5 that performs input processing, energy source-specific data 8, energy Output about search processing unit 6 that searches user data 9 and other data 10, selection of which energy source is suitable for cogeneration system, monogeneration system, secondary battery equipment or total power purchase, etc. An output processing unit 7 that performs control processing for outputting to the apparatus 4 is provided.

The database 2 stores energy source data 8 for storing data relating to a cogeneration system (cogeneration facility), a monogeneration system (monogeneration facility), a secondary battery facility, or total power purchase. The database 2 also stores energy user data 9 relating to the contents of the energy user's equipment, the type of energy source used, the amount of energy used, the amount of fuel used, etc. . Further, the database 2 stores other data 10 necessary for selecting the optimum energy source.

For the energy source data 8, the following data is input in advance.
For cogeneration information, input cogeneration facility conditions, operating conditions, and cost calculation conditions.
Enter the following items as "Cogeneration Equipment Conditions".
Select and input the power generation model (DE, GE, GT). As the fuel type, 13A gas, gas, LPG, A heavy oil, kerosene or light oil is selected and input. Select and input the power generation voltage (6600V.440V, 220V> as the voltage type. Select and enter the changed contract type when changing the current power contract and making a trial calculation. Select the main operation and heat main operation as the operation type, and select the minimum amount of power to be purchased within the time of 8:00 to 22:00 as the minimum amount of power purchased in the daytime. Enter the minimum amount of power (kW) that must be purchased within the time of 22:00 to 8:00 as the nightly minimum power purchase amount. Enter the ratio (%) of the heat load that does not use the recovered heat, and select the cooling facility, heating facility, hot water supply facility, and production facility (fuel consumption) as the selection of the recovered heat utilization facility. As the heat type, the heat required for production equipment is Select whether it is hot or cold (fuel, electricity), and enter the percentage of the recovered equipment that can be used as the recovered heat availability rate for all the selected equipment.

Enter the following items as "Cogeneration operation conditions".
A generator operation schedule for one year is input as a generator operation schedule. As the normal generator operation start time, the normal generator operation start time (1-24 o'clock) is input. As the normal generator operation stop time, the normal generator operation stop time (1 to 24:00) is input. As the half-closed generator operation start time, the generator operation start time (1-24 o'clock) of the half-closed operation is input. As the half-closed generator operation stop time, the generator operation stop time (1-24 o'clock) of the half-closed operation is input.

Enter the following items as the “cost calculation conditions”.
The distance (m) from the planned installation location of the generator to the current electrical room is input as the electrical equipment separation distance. As the heat source equipment separation distance, the distance (m) from the planned generator installation location to the current heat source machine room is input. The distance (m) from the planned generator installation location to the current fuel installation location is input as the fuel facility separation distance. Enter the monthly lease rate (% / month) as the lease fee rate. Enter the lease period (months).

For mono-generation information, enter the mono-generation facility conditions, operating conditions, and cost calculation conditions.
Enter the following items as “Mono-Generation Equipment Conditions”.
Select and input generator 鍾 (DE, GE, GT). Select fuel type (13A gas, gas, LPG, A heavy oil, kerosene or light oil). Select and input the generated voltage (6600V.440V, 220V). When changing the current power contract and making a trial calculation, the change contract type is selected and input. Enter the number of months you plan to receive self-supplied as the month of self-supplied supply. As the operation type, a main operation and a heat main operation are selected and input. As the daytime minimum power purchase amount, the minimum power amount (kW) that is always purchased within the time of 8:00 to 22:00 is input. As the nightly minimum power purchase amount, the minimum power amount (kW) that is always purchased within the time of 22: 00 to 800 is input. As the heat recovery margin rate, the ratio (%) of the heat load that does not use the recovered heat among the heat load of each facility is entered. As selection of the recovered heat utilization facility, a cooling facility, a heating facility, a hot water supply facility, and a production facility (fuel consumption) are selected and input. As the heat type of the production facility, selection (fuel, electricity) is selected and input whether the heat necessary for the production facility is hot or cold. As the recovered heat availability rate, the percentage (%) of the recovered equipment that can be used for the selected equipment is entered for all the selected equipment.

Enter the following items as "Mono-generation operation conditions".
A generator operation schedule for one year is input as a generator operation schedule. As a normal generator operation start time, a normal operation generator operation start time (1 to 24:00) is input (Hour). As the normal generator operation stop time, the normal operation generator operation stop time (1 to 24:00) is input (Hour). As the half-closed generator operation start time, the half-closed generator operation start time (1 to 24:00) is input (Hour). The half-stop generator operation stop time (1 to 24:00) is input as the half-stop generator operation stop time (Hour).

Enter the following items as the “cost calculation conditions”.
The distance (m) from the planned installation location of the generator to the current electrical room is input as the electrical equipment separation distance. As the heat source equipment separation distance, the distance (m) from the planned generator installation location to the current heat source machine room is input. The distance (m) from the planned generator installation location to the fuel installation location is input as the fuel facility separation distance. Enter the monthly lease rate (% / month). Enter the lease period (months).

The following items are input for the secondary battery information.
Equipment costs (yen / kW), capacity per unit (kw), lease rate (% / month), charge / discharge efficiency (%), maintenance costs (yen / year), remote operation management costs (yen / year), instantaneous System voltage drop, instantaneous system voltage interruption, uninterruptible power supply capacity, peak discharge power per unit (kW / unit), summer daytime discharge power per unit (kW / unit), other season daytime discharge power kW per unit / Unit), peak discharge time (h / day), summer intermediate discharge time, other season intermediate discharge time (h / day), summer charge / discharge days (day / year), other season charge / discharge days (day / year) To do.

When purchasing the entire amount, it is not necessary to enter conditions.

FIG. 3 is a flowchart showing the optimum energy source suitability determination method of the present invention.
When determining the suitability of the optimum energy source, common items are first input as shown in FIG. Common items include equipment conditions, holidays and semi-holidays. When inputting the facility conditions, the office type, the store, the hotel, the hospital, the sports center, or the factory is selected and input as the building type. When entering holidays and semi-holidays, the relevant day is selected and entered on the calendar. For these inputs, any method of inputting manual input and measurement data as they are may be used.

Next, the power usage amount of the energy user is input.
When the electricity usage amount for each year is obtained from the electricity bill for April to March of the previous year, for example, when the actual value of the total amount of electricity received is obtained, the amount of electricity purchased from January to December Enter. When the amount of power used per hour for the week is obtained and there is actual measurement data for each week in the summer (July to September), the amount of power purchased per week, that is, the summer Enter the amount of power purchased for each hour of the week. When there is actual measurement data for each weekly time in winter (December to February), the amount of power purchased for each weekly time, that is, the amount of power purchased for each hour of the week in winter is input. When there is actually measured data for each week in the intermediate period (month other than summer and winter), the amount of power purchased for each week is input, that is, the amount of power purchased for each week in the intermediate period. When the power usage amount for every 365 days is obtained, the power purchase amount for every 365 days, that is, the power purchase amount for every 365 days is input.

Enter the period of use of each equipment. Enter the end month of hot water supply operation, that is, the start month and end month of hot water use for one year. Enter the heating operation start end month, that is, the one month use start month and end month of heating. Enter the cooling operation start end month, that is, the one month use start month and end month of cooling.

Enter the daily usage time for each facility. The normal electric equipment operation start time, that is, the operation start time (1-24 o'clock) of the normal electric equipment is input. The normal electric equipment operation end time, that is, the operation end time (1-24 o'clock) of the normal electric equipment operation is input. The operation start time of the half-closed electrical facility, that is, the operation start time (1-24 hours) of the electrical facility in the half-close operation is input. The half-closed electrical equipment operation end time, that is, the operation finish time (1 to 24:00) of the semi-closed electrical equipment is input. The normal hot water supply operation start time, that is, the normal hot water supply operation start time (1 to 24:00) is input. The normal hot water supply operation end time, that is, the normal hot water supply operation end time (1 to 24:00) is input. The half holiday hot water operation start time, that is, the operation start time (1-24 o'clock) of the hot water supply for the half holiday operation is input. The half-closed hot water supply operation end time, that is, the operation end time (1-24 o'clock) of the hot water supply for the half-closed operation is input. The normal air conditioning operation start time, that is, the operation start time (1-24 o'clock) of the normal operation air conditioning is input. The normal air conditioning operation end time, that is, the normal operation air conditioning end time (1-24 o'clock) is input. A half holiday air conditioning operation opening time, that is, an operation opening time (1 to 24:00) of the air conditioning for the half holiday operation is input. A half holiday air conditioning operation end time, that is, an operation end time (1-24 o'clock) of the half holiday air conditioning is input.

Enter information about individual devices. This input is performed for a plurality of devices, but the maximum is 100 devices. The rated hot water supply output is input as the hot water supply output. As the heating output, the rated heating output is input. The rated cooling output is input as the cooling output. Select equipment that uses fuel, hot water supply, heating, cooling, and production equipment as the equipment system. In this case, a plurality of selections can be made. Enter the rated power consumption as the power consumption.

Enter the device efficiency correction value. However, it is performed when the reference value 90% of the device efficiency is corrected.

Input power and heat load. Check after calculating power / heat load by automatic calculation. If the calculated value is different from the actual situation, correct it. The power load for each monthly time, that is, the calculated power load for each hour is changed and input. At this time, the total of 24 hours is defined as 100%. The hot water supply load for each monthly time, that is, the calculated hot water supply load for each hour is changed and input. At this time, the total of 24 hours is defined as 100%. The heating load for each monthly time, that is, the calculated heating load for each hour is changed and input. At this time, the total of 24 hours is defined as 100%. The cooling load for each monthly time, that is, the calculated cooling load for each hour is changed and input. At this time, the total of 24 hours is defined as 100%. The monthly ratio of the power load, that is, the calculated ratio of the monthly power load is changed and input. At this time, the total of each equipment is set to 100%. The monthly rate of the hot water supply load, that is, the calculated monthly rate of the hot water supply load is changed and input. At this time, the total of each equipment is set to 100%. The monthly rate of the heating load, that is, the calculated monthly rate of the heating load is changed and input. At this time, the total of each equipment is set to 100%. The ratio of the cooling load for each month, that is, the calculated ratio of the cooling load for each month is changed and input. At this time, the total of each equipment is set to 100%. When the ratio of the holiday every month, that is, when the normal operation day is 100, the ratio of the power consumption of the holiday is changed and input.

Enter the current power purchase contract conditions. Select the contract type. For example, high voltage power A ... 5 types, high voltage power B ... 5 types, business power ... 5 types, default: business power. Enter contract power and self-supplied contract power. The presence / absence of a standby power contract, that is, the presence / absence of standby supply from a contract substation is selected. The presence / absence of a standby power supply contract, that is, the presence / absence of standby supply from other than the contracted substation is selected. For annual usage by contract type classification, peak, daytime / weekday time (summer), daytime / weekday time (other seasons), night / weekend, and power factor may be input.

Enter the amount of energy generated by the energy user.
Enter in-house usage. Enter the fuel consumption. From January to December when fuel consumption is obtained from the fuel bill for the year, from April to March of the previous fiscal year, when the fuel consumption for each year is obtained, or the actual value of the total generator is obtained Enter the fuel consumption. When the amount of power generated every hour for one week is obtained, and when there is actual measurement data for each week in summer (July to September), the amount of power generated per week, that is, in summer Enter the amount of power generated every hour of the week. If there is actually measured data for each weekly time in winter (December to February), the amount of power generated per weekly time, that is, the amount of power generated per hour of the week in winter is input. When there is actually measured data for each week in the intermediate period (month other than summer / winter), the power generation amount for each week is input, that is, the power generation amount for each week in the intermediate period. When the generated power amount for every 365 days is obtained, that is, the generated power amount for every 365 days is input.

Enter the daily usage time of the generator. The normal generator operation start / end time, that is, the operation start time and end time (1-24 o'clock) of the generator in normal operation is input. The half-stop generator operation start / end time, that is, the start-up time and end time (1-24 o'clock) of the half-stop generator is input.

Enter the equipment conditions. The fuel type, that is, electricity, kerosene, light oil, heavy oil, LPG gas or city gas is selected and input for each facility. Fuel calorific value, ie, oil is read from data, and gas is manually input.

Enter information about individual devices. This input is performed for a plurality of devices, but the maximum is 100 devices. Input the generator output. Select and input equipment that uses fuel, hot water supply, heating, cooling, and production equipment as the equipment system. In this case, a plurality of selections can be made. Enter the rated fuel consumption power as the fuel consumption.

Enter the device efficiency correction value. However, it is performed when the reference value 90% of the device efficiency is corrected.

Enter the load for each month's representative day time. Check after calculating power / heat load by automatic calculation. If the calculated value is different from the actual situation, correct it. The normal operation load for each month representative day time, that is, the calculated load for each month time is changed and input. At this time, the total of 24 hours is defined as 100%. The change is input for the half-day operation load for each month's representative day, that is, the calculated load for each month's time. At this time, the total of 24 hours is defined as 100%.

Enter the current power purchase contract conditions. Select and input the private generator model (DE, GE, GT). Input own output, number of units, and power generation efficiency. The fuel type, that is, 13A gas, gas, LPG gas, A heavy oil, kerosene or light oil is selected and input. Enter the fuel heating value. Enter any corrections. Enter the fuel unit price. Enter any corrections. Enter the ratio of the generator power consumption to the generator output. Enter the minimum electricity purchase amount such as equipment, lease rate, maintenance unit price, remote operation management unit price, exhaust gas measurement unit price, number of exhaust gas measurements, unit price of lubricant, maintenance cost to the Safety Association. Enter any corrections.

Enter the heat source usage of energy users.
In order to enter the heat source usage, as fuel consumption, the fuel consumption bill (total temperature / cooling usage) per year from the fuel fee bill from April to March of the previous year If obtained, enter the fuel consumption from January to December. When the fuel consumption per hour for one week is obtained and there is actual measurement data for each week in summer (July to September), the fuel consumption per week, ie, summer Enter the fuel consumption per hour of the week. If there is actual measurement data for each weekly time in winter (December to February), the fuel consumption for each weekly time, that is, the fuel consumption for each hour of the week in winter is input. If there is actual measurement data for each week in the intermediate period (months other than summer and winter), the fuel consumption for each week, that is, the fuel consumption for each week in the intermediate period is input. When the heat source usage for every 365 days is obtained, that is, the heat source usage for every 365 days is entered.

Enter the period of use of each equipment. Enter the end month of hot water supply operation, that is, the start month and end month of hot water use for one year. Enter the heating operation start end month, that is, the use month and end month of heating for one year. Enter the cooling operation start end month, that is, the one month use start month and end month of cooling.

Enter the daily usage time for each facility. The normal hot water supply operation start / end time, that is, the operation start time and end time (1-24 o'clock) of normal hot water supply is input. The normal hot water supply operation end time, that is, the normal hot water supply operation end time (1 to 24:00) is input. The half holiday hot water operation start time, that is, the operation start time (1-24 o'clock) of the hot water supply for the half holiday operation is input. The half-closed hot water supply operation end time, that is, the operation end time (1-24 o'clock) of the hot water supply for the half-closed operation is input. The normal air conditioning operation start time, that is, the operation start time (1-24 o'clock) of the normal operation air conditioning is input. The normal air conditioning operation end time, that is, the normal operation air conditioning end time (1-24 o'clock) is input. A half holiday air conditioning operation opening time, that is, an operation opening time (1 to 24:00) of the air conditioning for the half holiday operation is input. A half holiday air conditioning operation end time, that is, an operation end time (1-24 o'clock) of the half holiday air conditioning is input.

Enter information about individual devices. This input is performed for a plurality of devices, but the maximum is 100 devices. Enter the cold output (rated cold output). Enter the thermal output (rated thermal output). A single output or simultaneous output is selected and input as the heat output method. As an equipment system, a facility using fuel, a cooling facility, a heating facility, a hot water supply facility, and a production facility are selectively input. In this case, a plurality of fuel types that can be selected, that is, kerosene, light oil, heavy oil, LPG gas, or city gas are selected and input. Fuel calorific value, ie, oil is read from data, and gas is manually input. Enter the fuel consumption (rated fuel consumption).

Enter the device efficiency correction value. However, it is performed when the reference value 90% of the device efficiency is corrected.

Input power and heat load. Check after calculating power / heat load by automatic calculation. If the calculated value is different from the actual situation, correct it. The hot water supply load for each monthly time, that is, the calculated hot water supply load for each hour is changed and input. At this time, the total of 24 hours is defined as 100%. The heating load for each monthly time, that is, the calculated heating load for each hour is changed and input. At this time, the total of 24 hours is defined as 100%. The cooling load for each monthly time, that is, the calculated cooling load for each hour is changed and input. At this time, the total of 24 hours is defined as 100%. The monthly rate of the hot water supply load, that is, the calculated monthly rate of the hot water supply load is changed and input. At this time, the total of each equipment is set to 100%. The monthly rate of the heating load, that is, the calculated monthly rate of the heating load is changed and input. At this time, the total of each equipment is set to 100%. The ratio of the cooling load for each month, that is, the calculated ratio of the cooling load for each month is changed and input. At this time, the total of each equipment is set to 100%.

Enter the current power purchase contract conditions. Enter fuel charge and fuel charge correction as basic conditions. Select and input city gas supplier and city gas contract type.
Correct fuel charges. This basic charge calculation method, that is, fixed amount, combined use of fixed amount and change or change is selected. Enter the fixed fuel basic charge and the fixed fuel basic charge. The variable basic charge application amount, that is, the consumption amount to which the variable basic charge is applied is input. Enter the fuel unit price.

Enter for all devices.
Enter the device specifications. Input cooling facility heat output, heating facility heat output, hot water supply heat output, and production facility heat output. Enter the amount of lubricant consumed, that is, the amount of lubricant consumed per hour. Enter the device power consumption, that is, the amount of power consumed by the device body. Auxiliary power consumption, that is, the amount of power consumed by peripheral devices required for the device is input.

If there is a measurement record, enter the operation data. Enter the operating time of the equipment from January to December.

Enter cost conditions for each device.
Equipment cost, equipment installation date (heat source equipment installation date), equipment lease cost (annual lease cost), lease end date, lease rate (payment rate during lease period), maintenance cost, remote monitoring operation cost (for remote monitoring) Enter the annual cost), the exhaust gas measurement unit price (annual cost for exhaust gas measurement), and the lubricant cost (unit price for purchasing the lubricant).

The determination method of the present invention inputs necessary information in order to determine an optimum energy source. For example, contract power information can be input in order to save input power by selecting the required equipment load information and contract type. Enter the performance and cost of the current private power generation, current boiler, or current thermal equipment.

FIG. 4 is a schematic flow diagram showing a load information grasping method regarding the amount of purchased electric power used.
The amount of purchased electricity used in the load information of the energy user is grasped by dividing it into “no actual measurement data”, “one week”, and “365 days” by the method shown in FIG.
First, when there is no actual measurement data on the amount of purchased electricity used, the load pattern of hot water supply / heating / cooling for each month is corrected based on a predetermined calculation method based on the usage period of hot water supply / heating / cooling equipment using electricity. . As this calculation method, for example, there is a calculation method proposed by the Society for Air-conditioning and Sanitation.

FIG. 5 is an image diagram showing a procedure for correcting the monthly reference heat load. When correcting the monthly standard heat load for each facility, follow the procedure below.
(1) Add a monthly reference heat load for each facility.
-If the month is an equipment operation month and the reference heat load for that month is 0%, the lowest reference heat load (excluding 0%) of the 12 months is added to the reference load for that month.
(2) Delete the monthly reference heat load for each facility.
If the month is outside the facility operation month and the reference heat load for the month is not 0%, the reference heat load for the month is set to 0%.
(3) The monthly reference heat load of each facility is corrected according to the following formula.
・ Monthly corrected heat load (%) for each facility
= Monthly corrected heat load for each facility ÷ Σ Monthly corrected heat load for each facility In the case of a single facility, no correction is made, and the calculated power load and corrected heat calculated by the following formula are used. Load.
・ Monthly corrected power load (%)
= Monthly power consumption ÷ Σ Monthly power consumption • Monthly corrected thermal load for each facility (%)
= Monthly power consumption of each facility ÷ Σ Monthly power consumption of each facility

FIG. 6 is an image diagram showing a procedure for correcting the reference load for each month time. The following procedure is used when correcting the reference power load for each month and the reference heat load of each facility.
The reference power load for each month and the reference heat load for each facility are corrected. (Correction is made for two patterns of normal operation and half-stop operation.)
(1) Addition of the reference power load for each monthly time and the reference heat load for each facility When the time is the facility operation time and the reference load for that time is lower than 4.17%, the reference load for that time is 4. Add 17%.
(2) Reduction of the reference power load for each monthly time and the reference heat load of each equipment If the time is the equipment operation time and the reference load for that time is higher than 4.17%, the reference load for that time is 4 Subtract 17%.
(3) Correction of the standard power load for each monthly time and hundreds of millions of standard heat load / corrected power load for each monthly time (%)
= Adjusted power load for each month time sea ÷ Σ Corrected power load for each month time • Corrected heat load for each month time for each facility (%)
= Adjusted power load for each month of each facility ÷ Σ Corrected power load for each month of each facility In addition, in the case of a holiday, the power load is uniformly distributed over the entire time period (0 to 24:00). At this time, heat load is not considered.

The load pattern of electricity, hot water supply, heating, and cooling for each hour of the Air Conditioning and Sanitation Engineering Society is corrected from the operation time of electricity, hot water supply, heating, and cooling equipment using electricity. Based on the corrected load pattern, the amount of electricity purchased for each month is calculated separately for electricity, hot water supply, heating, and cooling. Based on the corrected load pattern, the amount of electric power purchased per day on weekdays, half holidays, and body white is calculated separately for electricity, hot water supply, heating, and cooling. Based on the corrected load pattern, the amount of electric power purchased for each weekday, half-holiday, and holiday time is calculated separately for electricity, hot water supply, heating, and cooling.

When there is weekly measured data on the amount of electricity purchased, the load pattern of hot water supply / heating / cooling for each month of the Air Conditioning and Sanitation Engineering Society is corrected from the usage period of hot water supply / heating / cooling equipment using electricity. To do. The load pattern of electricity, hot water supply, heating, and cooling for each hour of the Society of Air Conditioning and Sanitation Engineering is corrected from the operating time of hot water supply, heating, and cooling equipment using electricity. Based on the corrected load pattern, the amount of electricity purchased for each month is calculated separately for electricity, hot water supply, heating, and cooling. Based on the corrected load pattern, the amount of electricity purchased per day on weekdays, half holidays, and holidays is calculated separately for electricity, hot water supply, heating, and cooling.

In addition, when there is actual measurement data for that season (YES), based on the weekly data and the corrected load pattern, the amount of purchased electricity used for each weekday, half-holiday, and holiday time is calculated based on electricity, hot water supply, and heating.・ Calculate separately for cooling.
If there is no actual measurement data for that season (NO), use the corrected load pattern. Calculates the amount of electricity purchased for each weekday, half-holiday, and holiday time separately for electricity, hot water supply, heating, and cooling.

When there is actual measurement data for 365 days, the load pattern of hot water supply / heating / cooling for each month of the Japan Society for Air Conditioning and Sanitation Engineering is corrected based on the usage period of hot water supply / heating / cooling equipment using electricity. The load pattern of electricity, hot water supply, heating, and cooling for each hour of the Society of Air Conditioning and Sanitation Engineering is corrected from the operating time of hot water supply, heating, and cooling equipment using electricity. Based on the corrected load pattern, the purchased power consumption every 365 days is divided into electricity, hot water supply, heating, and cooling to calculate.

Finally, the amount of power used every 365 days is calculated separately for electricity, hot water supply, heating, and cooling, and the work of grasping load information related to the amount of purchased power used is completed (END).

FIG. 7 is a schematic flowchart showing a load information grasping method regarding the amount of self-generated power.
The self-generated power amount of the load information of the energy user is grasped by dividing into “no actual measurement data”, “one week unit”, and “365 days” by the method shown in FIG.
First, when there is no actual measurement data relating to the amount of self-generated electricity, the operation time of each month is calculated from the calendar and the usage time of the generator. From the fuel consumption of each month, the amount of self-generated electricity for each month is calculated. The amount of self-generated power per hour is calculated from the operation time and the amount of self-generated power for each month. From the amount of self-generated electricity per hour, the amount of self-generated power for each hour of weekdays and half holidays is calculated. Based on the load pattern of power purchase, the amount of self-generated electricity for every weekday and half-hour is calculated for electricity, hot water supply, heating, and cooling.

When there is weekly measured data related to the amount of self-generated electricity, the operation time of each month is calculated from the calendar and generator usage time. From the fuel consumption of each month, the amount of self-generated electricity for each month is calculated. The amount of self-generated power per hour is calculated from the operation time and the amount of self-generated power for each month. From the amount of self-generated power per hour, the amount of self-generated power for each weekday / half-weekly time is calculated.

In addition, when there is actual measurement data for that season (YES), based on the weekly data and the load pattern of power purchase, the amount of self-generated electricity every weekday and half-hours can be used for electricity, hot water supply, heating, and cooling. Calculate separately.
When there is no actual measurement data for that season (NO), the amount of self-generated electricity for each weekday / half-weekly time is divided into electricity, hot water supply, heating, and cooling based on the load pattern of power purchase.

When there is actual measurement data for 365 days, the amount of self-generated electricity for every 365 days is calculated separately for electricity, hot water supply, heating, and cooling based on the load pattern of power purchase.

Finally, the self-generated power amount for every 365 days is calculated separately for electricity, hot water supply, heating and cooling, and the grasping work of load information related to the self-generated power amount is completed (END).

FIG. 8 is a schematic flowchart showing a load information grasping method regarding the heat source usage.
The heat source usage amount of the load information of the energy user is grasped by dividing into “no actual measurement data”, “one week unit”, and “365 days” by the method shown in FIG.
First, when there is no actual measurement data related to the heat source usage, the operation time of hot water supply / heating / cooling for each month is calculated from the calendar and the usage time of hot water supply / heating / cooling. The load pattern of hot water supply, heating, and cooling for each month of the Air Conditioning and Sanitation Engineering Society is corrected based on the period of use of hot water supply, heating, and cooling equipment using heat. The load pattern of hot water supply / heating / cooling for each hour of the Society for Air Conditioning and Sanitation Engineering is corrected based on the usage period of hot water supply / heating / cooling equipment. Based on the corrected load pattern, heat consumption for each month is calculated separately for hot water supply, heating, and cooling. Based on the corrected load pattern, the daily heat consumption of weekdays and half holidays of each month is divided into hot water supply, heating, and cooling. Based on the corrected load pattern, the heat consumption for each weekday and half-break time is divided into hot water supply, heating, and cooling.

When there is a weekly measured data regarding the amount of self-generated electricity, the operation time of hot water supply / heating / cooling for each month is calculated from the calendar and the hours of hot water supply / heating / cooling. The load pattern of hot water supply, heating, and cooling for each month of the Air Conditioning and Sanitation Engineering Society is corrected based on the period of use of hot water supply, heating, and cooling equipment using heat. The load pattern of hot water supply / heating / cooling for each hour of the Society for Air Conditioning and Sanitation Engineering is corrected based on the usage period of hot water supply / heating / cooling equipment. Based on the corrected load pattern, heat consumption for each month is calculated separately for hot water supply, heating, and cooling.

In addition, when there is actual measurement data for the season (YES), heat consumption for each weekday / half-week period is divided into hot water supply / heating / cooling based on the weekly data and the corrected load pattern. To do.
When there is no actual measurement data for the season (NO), the heat consumption for each weekday / half-hour time is calculated separately for hot water supply / heating / cooling based on the corrected load pattern.

When there is actual measurement data for 365 days, the operation time of hot water supply / heating / cooling for each month is calculated from the calendar and the hours of hot water supply / heating / cooling. The load pattern of hot water supply, heating, and cooling for each month of the Air Conditioning and Sanitation Engineering Society is corrected based on the period of use of hot water supply, heating, and cooling equipment using heat. The load pattern of hot water supply / heating / cooling for each hour of the Society for Air Conditioning and Sanitation Engineering is corrected based on the usage period of hot water supply / heating / cooling equipment. Based on the corrected load pattern, heat consumption for each month is calculated separately for hot water supply, heating, and cooling.

Finally, the heat consumption for every 365 days is calculated separately for hot water supply, heating, and cooling, and the grasping work of load information regarding the self-generated power amount is completed (END).

In the determination method of the present invention, the power load, the self-generated load and the heat source load are calculated based on the items and conditions such as the measurement data as described above, and the cost and energy consumption related to the facility used by the energy user. Analyze and calculate. From such load calculation, the calculation result of load information necessary for energy users and the current equipment are analyzed and the cost is taken into consideration, and the cogeneration system, monogeneration system, secondary battery equipment or total power purchase Select which energy source is suitable.

Next, in the determination method of the present invention, the current facility analysis result is output. For example, it is possible to output an annual power purchase price / electricity charge unit price, an annual self-generated electricity charge / in-house power charge unit price, and an annual boiler usage charge / boiler usage charge unit price. Annual heating / cooling equipment usage fee, cooling / heating equipment usage charge unit price, cooling / heating equipment supplementary electricity usage charge can be output. Running costs, primary energy consumption, CO ₂ , SOX, NOX emissions can be output.

FIG. 9 is a schematic flowchart showing a method for analyzing the current equipment.
The analysis method according to the current equipment of energy users will be explained.
When the energy user uses the purchased energy for the current equipment, the analysis is performed as follows (the left column in FIG. 9). For the current contract type, the power purchase amount for each hour is added for each unit price category (time zone, month or year), and the monthly power purchase amount for each unit price category is calculated. The monthly power purchase amount calculated for each unit price is added to calculate the annual power purchase amount. For the current contract type, the metered rate is calculated from the annual power purchased for each unit price category. The basic charge is added, and the annual electric power purchased and the electric power purchased unit price are calculated. For the current contract type, the primary energy consumption for power purchase is calculated from the annual power purchase for each unit price category. From the amount of electricity purchased annually for each unit price category for the current contract type. Calculate C0 ₂ , SOX, NOX emissions for electricity purchase.

When the energy user uses the self-generated energy for the current equipment, the analysis is performed as follows (center row in FIG. 9). For the current contract type, the amount of self-generated electricity for each hour is added for each unit price, and the monthly amount of self-generated electricity for each unit price is calculated. The monthly self-generated power amount calculated for each unit price is added to calculate the annual self-generated power amount. For the current contract type, the metered rate is calculated from the annual amount of self-generated electricity for each unit price category. Add basic charges and calculate annual self-generated electricity and self-generated electricity unit price. For the current contract type, the primary energy consumption from home is calculated from the annual self-generated power for each unit price category. From the amount of self-generated electricity for each unit price category for the current contract type. Private power generation of C0 _2, SOX, to calculate the NOX emissions.

When an energy user uses heat source energy for the current equipment, the analysis is performed as follows (the right column in FIG. 9). For the current contract type, the fuel consumption for each month is tabulated and the monthly fuel charge for each unit price category is calculated. Judge the current operation of the equipment in the presence of heat load, and total the operation time. For current equipment, calculate electricity charges based on operating time and power consumption. For the current equipment, the initial cost and running cost are aggregated, and the life cycle cost is calculated. For the current equipment, the primary energy consumption of the equipment is calculated from the fuel consumption and the electricity consumption. For the current equipment, the C0 ₂ , SOX and NOX emissions of the equipment are calculated from the fuel consumption and electricity consumption. This completes the analysis of the current equipment.

FIG. 10 is a schematic flowchart showing a method for proposing a cogeneration facility as a new facility.
When a cogeneration facility is proposed as a new facility by an energy user, the following items are entered, and the model, number of units, initial cost, running cost, energy consumption, years of recovery, environmental assessment, etc., for the new facility The items of are output.

Reads the model and output of each device of the cogeneration facility. The generator output (electric main operation, heat main operation) is set according to the electricity consumption and heat consumption for each hour. The amount of recovered heat is calculated from the output of the generator. After the introduction of cogeneration facilities, calculate the amount of electricity for each month by dividing it into summer peak, summer daytime, other daytime, summer nighttime, and other nighttime, and then sum up each month to calculate the annual energy amount. Calculate the contract power after the introduction of cogeneration facilities from the contract power before the introduction of cogeneration. After the introduction of cogeneration facilities, calculate the fuel consumption for each month and take the sum of each month to calculate the annual fuel consumption. Electricity charges and fuel charges are calculated according to the electricity and fuel contract types after the introduction of cogeneration facilities. Calculate the annual running cost from other running costs. Calculate the initial cost of cogeneration facilities. The life cycle cost of cogeneration facilities is calculated from the initial cost and running cost. The number of years of recovery is calculated by analyzing the current situation and comparing the life cycle costs of cogeneration facilities. Calculate primary energy consumption after the introduction of cogeneration. Calculate C0 ₂ , SOX, NOX emissions after the introduction of cogeneration.
As a result of this calculation, other models and numbers are proposed. If there is a problem, set and calculate again.

FIG. 11 is a schematic flowchart showing a method for proposing a mono-generation facility as a new facility.
When a monogeneration facility is proposed as a new facility by an energy user, items are input as follows, and items regarding the new facility are output.
Read the model and output of each device of the monogeneration facility. After the introduction of the mono-generator facility, the power consumption for each month is calculated for the summer peak, summer daytime, other daytime, summer nighttime, and other season nighttime, and the sum of each month is taken to calculate the annual power consumption. Calculate the contract power after the introduction of the monogeneration facility from the contract power before the introduction. After the introduction of the mono-generation facility, calculate the fuel consumption for each month, take the sum of each month, and calculate the annual fuel consumption. Electricity charges and fuel charges are calculated according to the electricity and fuel contract types after the introduction of the monogeneration facility. The annual running cost is calculated from other run-yug costs. Calculate the initial cost of the monogeneration facility. From the initial cost and running cost, calculate the life cycle cost of the monogeneration facility. The number of years of recovery is calculated by comparing the current facility analysis and the life cycle cost of the monogeneration facility. Calculate the primary energy consumption due to the introduction of monogeneration. Monojene after introduction C0 _2, SOX, calculates the NOX emissions.
As a result of this calculation, other models and numbers are proposed. If there is a problem, set and calculate again.

FIG. 12 is a schematic flowchart showing a method for proposing a secondary battery facility as a new facility.
When a secondary battery facility is proposed as a new facility by an energy user, items are input as follows, and items regarding the new facility are output.
Read the model, output, and discharge capacity of the secondary battery. Discharge power and charging time are set separately for the number of charge / discharge days in each month, summer peak, summer daytime, and other daytime. Charging power and charging time are set for summer nights and other nights. The amount of discharge electric power for each month is calculated by dividing into summer peak, summer daytime, and other season daytime. The amount of charge power for each month is calculated separately for summer nights and other nights. After the introduction of the secondary battery, the power consumption for each month is calculated separately for the summer peak, summer daytime, other season daytime, summer nighttime, and other season nighttime, and the sum of each month is taken to calculate the annual energy consumption. The contract power after the introduction of the secondary battery is calculated from the contract power before the introduction and the summer peak discharge power. The number of years that the secondary battery can be used is calculated from the rated discharge cycle and the annual charge / discharge days. The annual running cost is calculated from the electricity charge calculated from the contract power after the introduction of the secondary battery and the annual electric energy and other running costs. The primary energy consumption after the introduction of the secondary battery is calculated. Calculating the C0 ₂ emission after introduction secondary battery.
As a result of this calculation, other models and numbers are proposed. If there is a problem, set and calculate again.

FIG. 13 is a schematic flowchart showing a method of proposing that it is optimal to purchase the entire amount as a result of the determination.
When it is proposed that the energy user purchases the entire amount optimally, the energy user inputs items as follows and outputs items related to the new facility.
Add the amount of in-house power generation to the current power purchase amount, and calculate the monthly power purchase amount after switching to full power purchase. The private power output is added to the current contract power, and the contract power after switching to full power purchase is calculated.

The contract classification is divided into business use and industrial use.
When an energy user purchases power for business use, calculation is performed as follows (the left column in FIG. 13). 1. Business power contract, 2. 2. High load factor power contract for business use. 3. Business TOU contract (business season / time period contract) 4. Business-use high load factor TOU contract (business-use high load factor seasonal / time zone contract) Basic charges are calculated for business weekend contracts and five power contracts. For each contract, calculate the monthly power amount, calculate the annual power amount from the sum, and calculate the pay-as-you-go money. Add the basic charge and calculate the annual electricity charge. For each contract, calculate the primary energy consumption for electricity purchase. For each contract, the amount of CO ₂ , NOX, and SOX emission of electricity purchased is calculated.

Here, “business-use power contract” is a demand for using electricity or small equipment, or using light or small equipment together with power, in principle, contract power is 50 kW. This is the power contract of the above and less than 2000 kW. “A commercial high load factor power contract” refers to a power contract that falls within the scope of application of business power in the supply contract, such as a small change in usage. “Commercial TOU contract” refers to a power contract when there is a large amount of electricity used at night or on holidays. “Commercial high load factor TOU contract” refers to a power contract when the amount of electricity used is high at night or on holidays, etc. at a high load factor. The “business weekend contract” refers to a power contract when the amount of electricity used is high at weekends with a high load factor.

When the energy user purchases power for industrial use and the contract power is less than 500 kW, the calculation is performed as follows (center row in FIG. 13).
1. High voltage A power contract, 2. 2. High-voltage A high load factor power contract. 3. High-pressure ATOU contract (high-pressure A seasonal / time period contract) 4. High pressure A high load factor TOU contract (high pressure A high load factor seasonal / time period contract) Basic charges are calculated for the high-voltage A weekend contract and the five power contracts. For each contract, calculate the monthly power amount, calculate the annual power amount from the sum, and calculate the metered rate. Add the basic charge and calculate the annual electricity charge. For each contract, calculate the primary energy consumption for electricity purchase. For each contract, the amount of CO ₂ , NOX, and SOX emission of electricity purchased is calculated. Here, “high pressure A” means less than 500 kW.

When the energy user purchases power for industrial use and the contract power is 500 kW or more, the calculation is performed as follows (right column in FIG. 13).
1. High voltage B power contract, 2. 2. High voltage B high load factor power contract. 3. High-pressure BTOU fishing (High-pressure B seasonal / time-based contract) 4. High pressure B high load factor TOU contract (high pressure B high load factor seasonal / time-based contract) Basic charges are calculated for the high-voltage B weekend contract and the five power contracts. For each contract, calculate the monthly power amount, calculate the annual power amount from the sum, and calculate the metered rate. Add the basic charge and calculate the annual electricity charge. For each contract, calculate the primary energy consumption for electricity purchase. For each contract, the amount of CO ₂ , NOX, and SOX emission of electricity purchased is calculated. Here, “high pressure B” means 500 kW or more.

In the method for determining the suitability of the optimum energy source according to the present invention, as a result of the determination, a form as shown in FIGS. 14 to 23 is output.
FIG. 14 is an example of a form showing a comprehensive evaluation of the current equipment as a result of analyzing the current equipment by the optimum energy source suitability determination method.
With regard to the current facilities of energy users, the current facilities can be evaluated with respect to system configurations such as power purchase facilities, power generation facilities, and heat source facilities. Evaluate economics such as construction cost, operation cost and simple recovery years. Energy saving properties such as received power, generated power, 13A gas, gas, LPG gas, heavy fuel oil A, kerosene, light oil, etc., and primary energy consumption (converted value) are evaluated. Evaluate environmental characteristics such as CO ₂ emissions, NOX emissions, and SOX emissions. CGS efficiency such as generator load factor, exhaust heat utilization factor, CGS overall efficiency, CGS dependency rate (electric power), CGS dependency rate (heat), etc. is evaluated.

FIG. 15 is an example of a form showing an annual operation comparison table of the current equipment as a result of analyzing the current equipment by the optimum energy source suitability determination method.
It can be evaluated in the annual operation comparison table of the current equipment of energy users.
It is now possible to evaluate the annual operation of power purchases, power generation, boilers, secondary batteries, and other heating and cooling equipment. Evaluate contract details, power consumption, power charges, and unit price for power purchase. For power generation, evaluate power consumption, availability, fuel consumption, power generation charges, and power generation unit price. Evaluate fuel type, fuel consumption, and charges for boilers. Charges are assessed for secondary batteries. For other heating and cooling equipment, evaluate the fuel type, fuel consumption, and charge.

FIG. 16 is an example of a form showing a comprehensive evaluation of cogeneration facilities as a result of determination by the optimal energy source suitability determination method.
When the optimum energy source suitability determination method of the present invention introduces and analyzes a cogeneration facility as a new facility analysis, the system configuration, economy, energy saving, environmental performance, and CGS efficiency as described above are proposed with the current facility. As shown in ~ 5, multiple presentations can be presented for comparison.

FIG. 17 is an example of a form showing an annual operation comparison table of cogeneration facilities as a result of determination by the optimal energy source suitability determination method.
With regard to the annual operation of power purchase, power generation, boiler, secondary battery, and other heating / cooling equipment after the introduction of cogeneration facilities, it is possible to present and compare a plurality of current facilities and proposals 1-5.

FIG. 18 is an example of a form showing a comprehensive evaluation of monogeneration facilities as a result of determination by the optimal energy source suitability determination method.
As a new facility analysis, when introducing and analyzing mono-generation facilities, the system configuration, economy, energy saving, environmental performance, and CGS efficiency as described above are presented and compared with the current facilities as proposed 1-5. It can be considered.

FIG. 19 is an example of a form showing an annual operation comparison table of monogeneration facilities as a result of determination by the optimal energy source suitability determination method.
With regard to the annual operation of electricity purchase, power generation, boiler, secondary battery, and other heating / cooling equipment after the introduction of the monogeneration facility, it is possible to present and compare a plurality of current facilities and proposals 1-5.

FIG. 20 is an example of a form showing a comprehensive evaluation of the secondary battery equipment as a result of determination by the optimal energy source suitability determination method.
As a new equipment analysis, when secondary battery equipment is introduced and analyzed, the system equipment, economy, energy saving, environmental performance, and CGS efficiency as described above are presented in multiple numbers, such as the current equipment and proposals 1-5. Can be compared.

FIG. 21 is an example of a form showing an annual operation comparison table of secondary battery equipment as a result of determination by the optimal energy source suitability determination method.
About the annual operation of power purchase, power generation, boiler, secondary battery, and other heating / cooling equipment after the introduction of secondary battery equipment, multiple presentations such as current equipment and proposals 1 to 5 can be compared and examined. .

FIG. 22 is an example of a form showing a comprehensive evaluation of the total amount of power purchase equipment as a result of determination by the optimum energy source suitability determination method.
As a result of the analysis, if the total power purchase is optimal, the system configuration, economy, energy saving, environmental performance, and CGS efficiency as described above are presented as a plurality of current equipment and proposals 1-5. Can be compared.

FIG. 23 is an example of a form showing an annual operation comparison table of the total amount of power purchase equipment as a result of determination by the optimal energy source suitability determination method.
With regard to the annual operation of power purchase, power generation, boiler, secondary battery, and other heating / cooling equipment at the time of full power purchase, a plurality of current facilities and proposals 1 to 5 can be presented and compared for examination.

FIG. 24 is an example of a form showing an energy cost trial calculation table as a result of determination by the optimum energy source suitability determination method.
About the result determined by the optimal energy source suitability determination method of this invention, it is also possible to express on one easy-to-understand form like the energy cost trial calculation table shown in figure.

FIG. 25 is an electric month load curve graph expressing a change state of electric energy for one year in the current facility and the proposed facility. FIG. 26 is an electric daily load curve graph expressing a change state of the daily electric energy in the current facility and the new facility.
The change state of the electric energy in the current facility and the proposed facility for one year is expressed by an electric month load curve graph or an electric daily load curve graph.

The present invention automatically selects and determines the optimal energy source by analyzing the current equipment related to energy use. However, the energy user himself examines the optimal energy source from the analysis result of the current equipment. Of course you can.

The method of determining the suitability of the optimum energy source according to the present invention can grasp the current state of energy use based on the amount of heat and electricity used for any energy user for home use, business use, or industrial use. Evaluate economics and environmental performance, and easily and reliably select, judge, and individually examine which energy source is suitable for cogeneration systems, monogeneration systems, secondary battery facilities, or total power purchases. Can do.

It is a flowchart which shows the optimal energy source suitability determination method of this invention. It is a block diagram which shows the structure of the system for enforcing the suitability determination method of an optimal energy source. It is a whole flowchart which shows the suitability determination method of an optimal energy source. It is a general | schematic flowchart which shows the load information grasping | ascertaining method regarding the amount of purchased electric power used. It is an image figure which shows the procedure at the time of performing correction | amendment of the reference | standard heat load for every month. It is an image figure which shows the procedure when correct | amending the reference | standard load for every month time. It is a schematic flowchart which shows the load information grasping | ascertaining method regarding self-generated electric energy. It is a schematic flowchart which shows the load information grasping | ascertainment method regarding the heat source usage. It is a schematic flowchart which shows the method of analyzing the present condition equipment. It is a schematic flowchart which shows the method of proposing a cogeneration facility as a new facility. It is a schematic flowchart which shows the method of proposing a monogeneration facility as a new facility. It is a schematic flowchart which shows the method of proposing a secondary battery installation as a new installation. It is a schematic flowchart which shows the method of proposing that purchasing the whole quantity is optimal as a result of determination. It is an example of the form which shows comprehensive evaluation of the present equipment as a result of analyzing the present equipment by the optimal energy source suitability judging method. It is an example of the form which shows the annual operation comparison table of the present equipment as a result of analyzing the present equipment by the optimal energy source suitability judging method. It is an example of the form which shows comprehensive evaluation of the cogeneration facility of the result determined by the optimal energy source propriety determination method. It is an example of the form which shows the annual operation comparison table of the cogeneration facility of the result judged by the optimum energy source suitability judging method. It is an example of the form which shows comprehensive evaluation of the monogeneration facility of the result determined by the optimal energy source propriety determination method. It is an example of the form which shows the annual operation comparison table of the monogeneration facility as a result of having judged by the optimum energy source suitability judging method. It is an example of the form which shows comprehensive evaluation of the secondary battery equipment of the result determined by the optimal energy source suitability determination method. It is an example of the form which shows the annual driving | operation comparison table of the secondary battery equipment of the result determined by the optimal energy source suitability determination method. It is an example of the form which shows comprehensive evaluation of the whole amount electric power purchase equipment of the result determined by the optimal energy source suitability determination method. It is an example of the form which shows the annual operation comparison table of the whole quantity power purchase equipment as a result determined by the optimal energy source suitability determination method. It is an example of the form which shows the energy cost trial calculation table of the result determined by the optimal energy source suitability determination method. It is the electric month load curve graph expressing the change state of the electric energy of the year in the present installation and a proposal installation. It is the electric daily load curve graph expressing the change state of the electric energy of the day in the present installation and a new installation.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Arithmetic processing device 2 Database 3 Input device 4 Output device 5 Input processing unit 6 Search processing unit 7 Output control unit 8 Optimal energy source data 9 Energy user data 10 Other data

Claims (24)

A method for determining the suitability of an optimum energy source for judging whether a cogeneration system, a monogeneration system, a secondary battery facility, or a total power purchase is suitable for facilities used by energy users such as electricity Because
Energy source information storage stage for pre-stored information on the energy source of purchasing the cogeneration system, the monogeneration system, the secondary battery equipment or the total amount of electricity;
Load information input stage for inputting measurement data on energy load related to the amount of purchased electric power used by the energy user, the amount of self-generated electricity, and the amount of heat source used;
A load calculation stage for calculating power load, cogeneration system, monogeneration system and heat source load from the measurement data in the load information input stage; and
Analyzing and calculating the cost, energy consumption, etc. related to the facility used by the energy user,
Considering the calculation result of the load information necessary for the energy user in the load calculation stage and the cost aspect in the equipment analysis stage, any of cogeneration system, monogeneration system, secondary battery equipment or total power purchase An optimal energy source selection stage for selecting whether the energy source is suitable for the energy user;
According to the selected energy source, it has an energy source evaluation stage that outputs items such as initial cost, running cost, number of years of collection, environmental evaluation, energy saving, etc.,
In the load information input step, energy measurement data relating to electricity, hot water supply, heating, and cooling is calculated from the operation time of the self-generated power, and a method for determining the suitability of an optimum energy source. A method for determining the suitability of an optimum energy source for judging whether a cogeneration system, a monogeneration system, a secondary battery facility, or a total power purchase is suitable for facilities used by energy users such as electricity Because
Energy source information storage stage for pre-stored information on the energy source of purchasing the cogeneration system, the monogeneration system, the secondary battery equipment or the total amount of electricity;
Load information input stage for inputting measurement data on energy load related to the amount of purchased electric power used by the energy user, the amount of self-generated electricity, and the amount of heat source used;
A load calculation stage for calculating power load, cogeneration system, monogeneration system and heat source load from the measurement data in the load information input stage; and
Analyzing and calculating the cost, energy consumption, etc. related to the facility used by the energy user,
Considering the calculation result of the load information necessary for the energy user in the load calculation stage and the cost aspect in the equipment analysis stage, any of cogeneration system, monogeneration system, secondary battery equipment or total power purchase An optimal energy source selection stage for selecting whether the energy source is suitable for the energy user;
According to the selected energy source, it has an energy source evaluation stage that outputs items such as initial cost, running cost, number of years of collection, environmental evaluation, energy saving, etc.,
A suitable energy source suitability determination method, characterized in that, in the current facility analysis stage, a self-generated power amount for each unit price category currently being implemented by the energy user is calculated . A method for determining the suitability of an optimum energy source for judging whether a cogeneration system, a monogeneration system, a secondary battery facility, or a total power purchase is suitable for facilities used by energy users such as electricity Because
Energy source information storage stage for pre-stored information on the energy source of purchasing the cogeneration system, the monogeneration system, the secondary battery equipment or the total amount of electricity;
Load information input stage for inputting measurement data on energy load related to the amount of purchased electric power used by the energy user, the amount of self-generated electricity, and the amount of heat source used;
A load calculation stage for calculating power load, cogeneration system, monogeneration system and heat source load from the measurement data in the load information input stage; and
Analyzing and calculating the cost, energy consumption, etc. related to the facility used by the energy user,
Considering the calculation result of the load information necessary for the energy user in the load calculation stage and the cost aspect in the equipment analysis stage, any of cogeneration system, monogeneration system, secondary battery equipment or total power purchase An optimal energy source selection stage for selecting whether the energy source is suitable for the energy user;
According to the selected energy source, it has an energy source evaluation stage that outputs items such as initial cost, running cost, number of years of collection, environmental evaluation, energy saving, etc.,
In the optimum energy source selection step,
Enter the model and output of each device of the cogeneration facility,
Based on the output of the generator set based on the electricity consumption and heat consumption every hour, the recovered heat amount is calculated,
After the introduction of the cogeneration facility, it is divided into the summer peak, summer daytime, other season daytime, summer nighttime, and other nighttime, calculating the amount of electricity for each month, taking the sum of each month, calculating the amount of electricity for the year,
Calculate the contract power after the introduction of the cogeneration facility from the electricity before the introduction of the cogeneration,
After introducing the cogeneration facility, calculate the fuel consumption for each month, take the sum of each month, calculate the annual fuel consumption,
Calculate electricity charges and fuel charges according to the contract type of electricity and fuel after the introduction of the cogeneration facility,
Calculate the annual running cost from other running costs,
From the initial cost and running cost calculated in this way, the life cycle cost of the cogeneration facility is calculated,
A method for determining the suitability of an optimal energy source, characterized in that the number of years of recovery is calculated by comparing the current state analysis with the life cycle cost and running cost of the cogeneration facility . 4. The optimum energy source according to claim 3 , wherein the optimum energy source selection step further calculates CO ₂ , NOX, and SOX emissions after the introduction of the cogeneration facility, and compares it with measurement data of the current facility. The suitability judgment method. A method for determining the suitability of an optimum energy source for judging whether a cogeneration system, a monogeneration system, a secondary battery facility, or a total power purchase is suitable for facilities used by energy users such as electricity Because
Energy source information storage stage for pre-stored information on the energy source of purchasing the cogeneration system, the monogeneration system, the secondary battery equipment or the total amount of electricity;
Load information input stage for inputting measurement data on energy load related to the amount of purchased electric power used by the energy user, the amount of self-generated electricity, and the amount of heat source used;
A load calculation stage for calculating power load, cogeneration system, monogeneration system and heat source load from the measurement data in the load information input stage; and
Analyzing and calculating the cost, energy consumption, etc. related to the facility used by the energy user,
Considering the calculation result of the load information necessary for the energy user in the load calculation stage and the cost aspect in the equipment analysis stage, any of cogeneration system, monogeneration system, secondary battery equipment or total power purchase An optimal energy source selection stage for selecting whether the energy source is suitable for the energy user;
According to the selected energy source, it has an energy source evaluation stage that outputs items such as initial cost, running cost, number of years of collection, environmental evaluation, energy saving, etc.,
In the optimum energy source selection step,
Calculate the annual power consumption and fuel consumption after the introduction of the monogeneration facility,
Calculate annual running costs such as electricity charges, fuel charges, etc. according to the electricity and fuel contract types after the introduction of the monogeneration facility,
The life cycle cost of the monogeneration facility is calculated from the initial cost and running cost of the monogeneration facility.
A method for determining the suitability of an optimal energy source, characterized in that the number of years of recovery is calculated by comparing the current facility analysis with the life cycle cost and running cost of the monogeneration facility . A method for determining the suitability of an optimum energy source for judging whether a cogeneration system, a monogeneration system, a secondary battery facility, or a total power purchase is suitable for facilities used by energy users such as electricity Because
Energy source information storage stage for pre-stored information on the energy source of purchasing the cogeneration system, the monogeneration system, the secondary battery equipment or the total amount of electricity;
Load information input stage for inputting measurement data on energy load related to the amount of purchased electric power used by the energy user, the amount of self-generated electricity, and the amount of heat source used;
A load calculation stage for calculating power load, cogeneration system, monogeneration system and heat source load from the measurement data in the load information input stage; and
Analyzing and calculating the cost, energy consumption, etc. related to the facility used by the energy user,
Considering the calculation result of the load information necessary for the energy user in the load calculation stage and the cost aspect in the equipment analysis stage, any of cogeneration system, monogeneration system, secondary battery equipment or total power purchase An optimal energy source selection stage for selecting whether the energy source is suitable for the energy user;
According to the selected energy source, it has an energy source evaluation stage that outputs items such as initial cost, running cost, number of years of collection, environmental evaluation, energy saving, etc.,
In the optimum energy source selection step,
Enter the model and output of each device of the monogeneration facility,
After the introduction of the monogeneration facility, it is divided into summer peak, summer daytime, other daytime, summer night, and other season night, calculating the amount of electricity for each month, taking the sum of each month, calculating the amount of electricity for the year,
Calculate the contract power after the introduction of the monogeneration facility from the contract power before the introduction,
After the introduction of the monogeneration facility, calculate the fuel consumption for each month, take the sum of each month, calculate the annual fuel consumption,
Electricity charges and fuel charges are calculated according to the electricity and fuel contract types after the introduction of the monogeneration facility, and annual running costs are calculated from other running costs.
From the initial cost and running cost calculated in this way, the life cycle cost of the monogeneration facility is calculated,
A method for determining the suitability of an optimal energy source, characterized in that the number of years of recovery is calculated by comparing the current facility analysis with the life cycle cost and running cost of the monogeneration facility . 7. The optimum energy source according to claim 6 , wherein, in the optimum energy source selection step, CO ₂ , NOX and SOX emissions after the introduction of the monogeneration facility are further calculated and compared with measurement data of the current facility. The suitability judgment method. A method for determining the suitability of an optimum energy source for judging whether a cogeneration system, a monogeneration system, a secondary battery facility, or a total power purchase is suitable for facilities used by energy users such as electricity Because
Energy source information storage stage for pre-stored information on the energy source of purchasing the cogeneration system, the monogeneration system, the secondary battery equipment or the total amount of electricity;
Load information input stage for inputting measurement data on energy load related to the amount of purchased electric power used by the energy user, the amount of self-generated electricity, and the amount of heat source used;
A load calculation stage for calculating power load, cogeneration system, monogeneration system and heat source load from the measurement data in the load information input stage; and
Analyzing and calculating the cost, energy consumption, etc. related to the facility used by the energy user,
Considering the calculation result of the load information necessary for the energy user in the load calculation stage and the cost aspect in the equipment analysis stage, any of cogeneration system, monogeneration system, secondary battery equipment or total power purchase An optimal energy source selection stage for selecting whether the energy source is suitable for the energy user;
According to the selected energy source, it has an energy source evaluation stage that outputs items such as initial cost, running cost, number of years of collection, environmental evaluation, energy saving, etc.,
In the optimum energy source selection step,
Enter the model, output and discharge capacity of the secondary battery,
Instantaneous system voltage drop, instantaneous system voltage cut-off, uninterruptible power supply capacity and number of charge / discharge days in each month, summer peak, summer daytime, other season daytime, set discharge power and discharge time,
Set the charging power and charging time for summer nights and other nights,
Divide the summer peak, summer daytime, and other season daytime to calculate the discharge electric energy for each month,
Calculate the charge energy for each month by dividing it into summer nights and other nights,
After the introduction of the secondary battery, the power consumption for each month is calculated by dividing into the summer peak, summer daytime, other daytime, summer night, and other season night, and the sum of each month is taken to calculate the annual power consumption. ,
Calculate the contract power after the introduction of the secondary battery from the contract power before introduction and the summer peak discharge power,
From the rated discharge cycle and annual charge / discharge days, calculate the number of years that the secondary battery can be used,
A method for determining the suitability of an optimal energy source, wherein an annual running cost is calculated from an electricity bill calculated from the contracted power after the introduction of the secondary battery and the annual electric energy, and other running costs . In the optimum energy source selection step, further calculates the CO _2, NOX, SOX emissions after the secondary battery equipment installation, optimal claim 8 which is compared with the current equipment the measurement data, characterized in that Energy source suitability determination method. A method for determining the suitability of an optimum energy source for judging whether a cogeneration system, a monogeneration system, a secondary battery facility, or a total power purchase is suitable for facilities used by energy users such as electricity Because
Energy source information storage stage for pre-stored information on the energy source of purchasing the cogeneration system, the monogeneration system, the secondary battery equipment or the total amount of electricity;
Load information input stage for inputting measurement data on energy load related to the amount of purchased electric power used by the energy user, the amount of self-generated electricity, and the amount of heat source used;
A load calculation stage for calculating power load, cogeneration system, monogeneration system and heat source load from the measurement data in the load information input stage; and
Analyzing and calculating the cost, energy consumption, etc. related to the facility used by the energy user,
Considering the calculation result of the load information necessary for the energy user in the load calculation stage and the cost aspect in the equipment analysis stage, any of cogeneration system, monogeneration system, secondary battery equipment or total power purchase An optimal energy source selection stage for selecting whether the energy source is suitable for the energy user;
According to the selected energy source, it has an energy source evaluation stage that outputs items such as initial cost, running cost, number of years of collection, environmental evaluation, energy saving, etc.,
In the optimum energy source selection step,
Add the amount of in-house power generation to the current amount of electricity purchased, enter the amount of electricity purchased every hour after switching to total electricity purchase,
Add private power output to the current contract power, calculate various contract power after switching to full power purchase,
A method for determining the suitability of an optimal energy source, characterized by calculating a primary energy consumption of purchased electricity for each contract . The power contract in the optimum energy source selection stage includes a business power contract, a business high load factor power contract, a business season / time zone contract, a business high load factor season / time zone contract, and a business contract. It is a weekend contract, The suitability determination method of the optimal energy source of Claim 10 characterized by the above-mentioned. A method for determining the suitability of an optimum energy source for judging whether a cogeneration system, a monogeneration system, a secondary battery facility, or a total power purchase is suitable for facilities used by energy users such as electricity Because
Energy source information storage stage for pre-stored information on the energy source of purchasing the cogeneration system, the monogeneration system, the secondary battery equipment or the total amount of electricity;
Load information input stage for inputting measurement data on energy load related to the amount of purchased electric power used by the energy user, the amount of self-generated electricity, and the amount of heat source used;
A load calculation stage for calculating power load, cogeneration system, monogeneration system and heat source load from the measurement data in the load information input stage; and
Analyzing and calculating the cost, energy consumption, etc. related to the facility used by the energy user,
Considering the calculation result of the load information necessary for the energy user in the load calculation stage and the cost aspect in the equipment analysis stage, any of cogeneration system, monogeneration system, secondary battery equipment or total power purchase An optimal energy source selection stage for selecting whether the energy source is suitable for the energy user;
According to the selected energy source, it has an energy source evaluation stage that outputs items such as initial cost, running cost, number of years of collection, environmental evaluation, energy saving, etc.,
In the optimum energy source selection step,
Add the amount of in-house power generation to the current power purchase amount, calculate the monthly power purchase amount after switching to full power purchase,
When the contract power is less than 500 kW by adding private power output to the current contract power and switching to full power purchase, the high-voltage A power contract, high-voltage A high load factor power contract, high-voltage A by season・ Calculate basic charges for five power contracts: hourly contracts, high-voltage A high load factor seasonal contracts, hourly contracts, and high-voltage A weekend contracts,
Appropriate energy source, characterized by calculating monthly electricity for each contract, calculating annual electricity from the sum, calculating metered charges, adding basic charges, and calculating annual electricity charges Judgment method. A method for determining the suitability of an optimum energy source for judging whether a cogeneration system, a monogeneration system, a secondary battery facility, or a total power purchase is suitable for facilities used by energy users such as electricity Because
Energy source information storage stage for pre-stored information on the energy source of purchasing the cogeneration system, the monogeneration system, the secondary battery equipment or the total amount of electricity;
Load information input stage for inputting measurement data on energy load related to the amount of purchased electric power used by the energy user, the amount of self-generated electricity, and the amount of heat source used;
A load calculation stage for calculating power load, cogeneration system, monogeneration system and heat source load from the measurement data in the load information input stage; and
Analyzing and calculating the cost, energy consumption, etc. related to the facility used by the energy user,
Considering the calculation result of the load information necessary for the energy user in the load calculation stage and the cost aspect in the equipment analysis stage, any of cogeneration system, monogeneration system, secondary battery equipment or total power purchase An optimal energy source selection stage for selecting whether the energy source is suitable for the energy user;
According to the selected energy source, it has an energy source evaluation stage that outputs items such as initial cost, running cost, number of years of collection, environmental evaluation, energy saving, etc.,
In the optimum energy source selection step,
Add the amount of in-house power generation to the current power purchase amount, calculate the monthly power purchase amount after switching to full power purchase,
By adding private power output to the current contract power and calculating the contract power after switching to full power purchase, when the contract power is 500 kW or more, high voltage B power contract, high voltage B high load factor power contract, high voltage B by season・ Calculate basic charges for five power contracts: hourly contracts, high-voltage B high load factor seasonal / hourly contracts, and high-voltage B weekend contracts,
Appropriate energy source, characterized by calculating monthly electricity for each contract, calculating annual electricity from the sum, calculating metered charges, adding basic charges, and calculating annual electricity charges Judgment method. 14. The optimal energy source suitability determination method according to claim 10, 11, 12, or 13 , wherein, in the optimum energy source selection step, the CO ₂ , NOX, and SOX emission amounts of purchased electricity are calculated for each contract. A method for determining the suitability of an optimum energy source for judging whether a cogeneration system, a monogeneration system, a secondary battery facility, or a total power purchase is suitable for facilities used by energy users such as electricity Because
Energy source information storage stage for pre-stored information on the energy source of purchasing the cogeneration system, the monogeneration system, the secondary battery equipment or the total amount of electricity;
Load information input stage for inputting measurement data on energy load related to the amount of purchased electric power used by the energy user, the amount of self-generated electricity, and the amount of heat source used;
A load calculation stage for calculating power load, cogeneration system, monogeneration system and heat source load from the measurement data in the load information input stage; and
Analyzing and calculating the cost, energy consumption, etc. related to the facility used by the energy user,
Considering the calculation result of the load information necessary for the energy user in the load calculation stage and the cost aspect in the equipment analysis stage, any of cogeneration system, monogeneration system, secondary battery equipment or total power purchase An optimal energy source selection stage for selecting whether the energy source is suitable for the energy user;
According to the selected energy source, it has an energy source evaluation stage that outputs items such as initial cost, running cost, number of years of collection, environmental evaluation, energy saving, etc.,
In the energy source evaluation stage,
A method for determining the suitability of an optimum energy source, characterized in that the current energy-related facility and the proposed facility relating to the energy user are output in an electric monthly load curve with respect to a change in electric energy for one year . A method for determining the suitability of an optimum energy source for judging whether a cogeneration system, a monogeneration system, a secondary battery facility, or a total power purchase is suitable for facilities used by energy users such as electricity Because
Energy source information storage stage for pre-stored information on the energy source of purchasing the cogeneration system, the monogeneration system, the secondary battery equipment or the total amount of electricity;
Load information input stage for inputting measurement data on energy load related to the amount of purchased electric power used by the energy user, the amount of self-generated electricity, and the amount of heat source used;
A load calculation stage for calculating power load, cogeneration system, monogeneration system and heat source load from the measurement data in the load information input stage; and
Analyzing and calculating the cost, energy consumption, etc. related to the facility used by the energy user,
Considering the calculation result of the load information necessary for the energy user in the load calculation stage and the cost aspect in the equipment analysis stage, any of cogeneration system, monogeneration system, secondary battery equipment or total power purchase An optimal energy source selection stage for selecting whether the energy source is suitable for the energy user;
According to the selected energy source, it has an energy source evaluation stage that outputs items such as initial cost, running cost, number of years of collection, environmental evaluation, energy saving, etc.,
In the energy source evaluation stage,
A method for determining the suitability of an optimum energy source, characterized in that the current energy-related facility and the proposed facility output the daily power consumption change state in an electric daily load curve . 2. The form output step of outputting a form about cost and energy consumption related to the facility used by the energy user after the current facility analysis step is further provided . 2, 3, 5, 6, 8, 10, 12, 13 , 15 , or 16 optimum energy source suitability determination method. 14. In the energy source evaluation stage , items about the model, the number of units, etc. according to the selected energy source are output, The claim 1 , 2, 3, 5, 6, 8 , 10 , 12 , 13 , 15 or 16 for determining the suitability of the optimum energy source. In the load information input step, claim 1 CO _2, NOX, further inputs the energy measurement data regarding SOX emissions, it is characterized, 2,3,5,6,8,10,12,13,15 Or the suitability determination method of 16 optimal energy sources. The optimum energy of claim 1 , 2, 3, 5, 6, 8 , 10 , 12 , 13 , 15 or 16 , wherein the load information input step calculates energy measurement data from a usage time of the heat source. Source adequacy determination method. 21. The method according to claim 20 , wherein the load information input step corrects a load pattern of electricity, hot water supply, heating, and cooling using heat. In the optimal energy source selection stage , the annual power consumption and fuel consumption after the introduction of the cogeneration facility are calculated,
Calculate annual running costs such as electricity charges and fuel charges according to the contract type of electricity and fuel after the introduction of the cogeneration facility,
From the initial cost and running cost of the cogeneration facility, the life cycle cost of the cogeneration facility is calculated,
The number of years of recovery is calculated by comparing the present state analysis with the life cycle cost and running cost of the cogeneration facility , or claim 1 , 2, 3, 5, 6, 8 , 10 , 12 , 13 , 15, or The suitability determination method of 16 optimal energy sources. 6. In the energy source evaluation stage , a comparison table is displayed and output so that a comparison result between the current facility and the proposed facility regarding the energy user can be easily determined . The suitability determination method for 6, 8, 10, 12, 13 , 15, or 16 optimum energy sources. Wherein the energy source evaluation stage, according to claim 1, wherein the display output cost trial balance for easy determination of the comparison result between current equipment and the proposed equipment on energy user, it is characterized, 2,3,5 , 6, 8, 10, 12, 13, 15, or 16 for determining the suitability of the optimum energy source.

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