CN111382924A - Energy baseline establishing and applying system and method for energy-saving service - Google Patents
Energy baseline establishing and applying system and method for energy-saving service Download PDFInfo
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Abstract
An energy base line establishing and applying system and method for energy-saving service includes at least one energy-saving service case factory and an energy base line control and management servo device, in which the energy-saving service case factory includes at least more than one external device, the external device includes at least one frequency converter and an energy-saving electromechanical facility electrically connected with the frequency converter, and the energy base line control and management servo device is connected with the frequency converter, and according to different operation characteristics of the energy-saving electromechanical facility, the energy base line establishing method is used as charging base for energy-saving service dynamic calculation of energy-saving benefit, the operation power value before energy-saving improvement is used as energy base line, and then according to the recorded operation power value after improvement and related operation time uploaded every minute, the daily energy-saving benefit is calculated.
Description
Technical Field
The invention relates to an energy baseline establishing and applying system for energy-saving service and a method thereof, in particular to a method and a system thereof which can respectively establish an energy baseline before energy-saving improvement according to different operating characteristics of energy-saving electromechanical facilities so as to dynamically calculate actual energy-saving benefit and energy-saving service charge.
Background
In recent years, due to the rising awareness of environmental protection, the treatment or recycling of industrial waste and domestic waste has been receiving great attention from the public. For example: the treatment and disposal of waste gases, waste water, solid waste or toxic chemicals and other waste materials, wherein the treatment of industrial water, discharge water or waste water related to civil life is a very important part, if the water to be treated is discharged randomly without proper treatment, not only is the ecological imbalance of the nature endangered, but also the water resource can be damaged to cause the shortage of civil water, and even in a very short time, the whole environment can be threatened and damaged considerably.
However, in order to meet the requirement of water quality, different power-consuming electromechanical facilities must be used for treating the water quality. For sewage, after the biochemical oxygen demand is reduced by microbial treatment, the sewage can be discharged for different purposes after reaching a discharge standard value through processes of filtering, sterilizing and the like, so that power-consuming electromechanical facilities used in the processes, such as: motors such as sewage inflow pumps, sewage circulating pumps, sludge reflux pumps, sewage discharge pumps, mixers, blowers, surface aerators, and the like are very important. Therefore, for the operators in the plant, the electromechanical facilities can be operated for a long time with the highest efficiency, and the emission standard value can be certainly met, but if the operation of the power-consuming electromechanical facilities cannot be effectively controlled according to the actual load requirement, the power consumption of the power-consuming electromechanical facilities is very large, so that the situation can be improved, the excessive consumption of the power can be saved, and the environment can be greatly benefited.
Currently, the business operation mode in the ESCO energy-saving industry is generally adopted: the project of the energy-saving system is built by a scheme of settling payment of installment fee by installments, actual energy-saving benefit is obtained only by measurement and calculation at the moment of project acceptance, and the continuity of the energy-saving benefit at the moment of acceptance cannot be ensured for a long time. However, compared to the energy saving service that uses the actual dynamic pricing of the energy saving efficiency as the only charging source, if there is no objective reference value, the accumulated energy saving efficiency before and after the improvement of energy saving cannot be calculated effectively.
If a baseline (energy baseline) charging mechanism can be established, which can be used to calculate the cost of the power saving benefit, the power saving benefit and the energy saving service cost can be objectively and effectively calculated, so the invention should be an optimal solution.
Disclosure of Invention
The invention mainly aims to provide an energy baseline establishing and applying system connected with a frequency converter for energy-saving service, which is used for solving the problem that the prior art does not have an objective reference value and cannot effectively calculate the accumulated energy-saving benefits before and after energy saving improvement, and comprises the following steps: at least one energy-saving service case factory, wherein each energy-saving service case factory comprises more than one external device, and the external device comprises a frequency converter and an energy-saving electromechanical facility electrically connected with the frequency converter; an energy-based control and servo device connected to the frequency converter, the energy-based control and servo device comprising: the benchmark measurement setting unit is used for setting an energy benchmark measurement standard according to the operation attributes of different energy-saving electromechanical facilities; a unit information receiving unit for connecting with at least one external device, wherein the unit information receiving unit can receive the device operation parameters of each energy-saving electromechanical facility, and the device operation parameters comprise a before-improvement operation power, an before-improvement operation time, an after-improvement operation power and an after-improvement operation time; a unit information statistical unit connected with the unit information receiving unit for recording and counting the operation power before improvement, the operation time before improvement, the operation power after improvement and the operation time after improvement of all energy-saving electromechanical facilities within a certain range; an energy baseline establishing unit, which is connected with the reference measuring and setting unit, the unit information receiving unit and the unit information statistical unit and used for establishing a baseline power according to the energy reference measuring standards of different energy-saving electromechanical facilities and the operation power before improvement within a certain time range; and the power saving benefit calculation unit is connected with the unit information statistic unit and the energy baseline establishing unit and is used for calculating the baseline power, the operation power after improvement and the operation time after improvement so as to obtain power saving benefit.
More specifically, the external device is an energy-saving electromechanical facility with continuous operation attribute, and the energy reference measurement standard of each energy-saving electromechanical facility with continuous operation attribute calculates the operation power average value of the continuously recorded operation power before improvement and the operation time before improvement so as to obtain the baseline power of the energy-saving electromechanical facility with continuous operation attribute.
More specifically, the external device is an energy-saving electromechanical facility with an intermittent operation attribute, the device operation parameters further comprise a total power consumption degree of motor operation before improvement, and the energy reference measurement standard of each energy-saving electromechanical facility with the intermittent operation attribute is used for calculating the average value of the operation power of the total power consumption degree of motor operation before improvement and the operation time before improvement recorded for a plurality of consecutive days so as to obtain the baseline power of the energy-saving electromechanical facility with the intermittent operation attribute.
More specifically, the external device is a parallel group of a plurality of energy-saving electromechanical facilities with parallel operation attributes, and the energy reference measurement standard of each energy-saving electromechanical facility performs operation power average value calculation according to the continuously recorded operation power before improvement and the operation time before improvement so as to obtain the baseline power of each energy-saving electromechanical facility in the parallel group one by one.
More specifically, the equipment operating parameters of the parallel group further include a parallel operating frequency and a total operating frequency of the improved parallel group motors, and then the total operating frequency of the improved parallel group motors can be compared with the parallel operating frequency multiplied by the number of the operating machines, and then the energy baseline can be determined by a total operation or a separate operation according to the comparison result, and the baseline power, the improved operating power and the improved operating time can be calculated to obtain a power saving benefit.
More specifically, the energy baseline establishing and applying system further includes an external information capturing unit connected to at least one external unit and the energy baseline establishing unit, and configured to obtain temperature data within a certain range of time through the external unit, where the external device is an energy-saving electromechanical facility with combined operation attributes, and the energy baseline determining standard of the energy-saving electromechanical facility with combined operation attributes is obtained by performing statistical analysis on an average value of operation power before improvement and the temperature data within a certain range of time by the energy baseline establishing unit to obtain a baseline average power and temperature comparison table.
More specifically, the power saving benefit calculation unit can find the baseline power corresponding to the average temperature in the baseline average power and temperature comparison table, and then calculate the found baseline power, the improved operating power and the improved operating time to obtain the power saving benefit.
An energy baseline establishing and applying method for energy-saving service is disclosed, which comprises the following steps:
connecting an energy-saving electromechanical facility of external equipment of an energy-saving service case factory with an energy baseline control servo device, wherein the energy baseline control servo device can set an energy reference measurement standard according to the operation attributes of different energy-saving electromechanical facilities;
receiving equipment operating parameters of each energy-saving electromechanical facility, wherein the equipment operating parameters comprise pre-improvement operating power, pre-improvement operating time, post-improvement operating power and post-improvement operating time;
establishing a baseline power according to energy reference measurement standards of different energy-saving electromechanical facilities and the operation power before improvement within a certain time range, and calculating the baseline power, the operation power after improvement and the operation time after improvement to obtain an energy-saving benefit.
More specifically, the external device is an energy-saving electromechanical facility with continuous operation attribute, and the energy reference measurement standard of each energy-saving electromechanical facility with continuous operation attribute calculates the operation power average value of the continuously recorded operation power before improvement and the operation time before improvement so as to obtain the baseline power of the energy-saving electromechanical facility with continuous operation attribute.
More specifically, the external device is an energy-saving electromechanical facility with an intermittent operation attribute, the device operation parameters further comprise a total power consumption degree of motor operation before improvement, and the energy reference measurement standard of each energy-saving electromechanical facility with the intermittent operation attribute is used for calculating the average value of the operation power of the total power consumption degree of motor operation before improvement and the operation time before improvement which are continuously recorded for a plurality of days so as to obtain the baseline power of the energy-saving electromechanical facility with the intermittent operation attribute.
More specifically, the external device is a parallel group of energy-saving electromechanical facilities with a plurality of parallel operation attributes, and the energy reference measurement standard of each energy-saving electromechanical facility performs operation power average calculation according to the continuously recorded operation power before improvement and the operation time before improvement so as to obtain the baseline power of each energy-saving electromechanical facility of the parallel group one by one.
More specifically, the equipment operating parameters of the energy-saving electromechanical facility with the parallel operation attribute further include a parallel operation frequency and a total operation frequency of the improved parallel group motors, and then the total operation frequency of the improved parallel group motors can be compared with the parallel operation frequency multiplied by the number of the operation units, and then the baseline power, the improved operation power and the improved operation time are calculated in a total calculation or a separate calculation mode according to the comparison result, so as to obtain an energy-saving benefit.
More specifically, the energy baseline establishing and applying method can also obtain temperature data within a certain range of time through an external unit, wherein the external equipment is an energy-saving electromechanical facility with combined operation attributes, and the energy baseline measuring standard of the energy-saving electromechanical facility with the combined operation attributes is obtained by statistically analyzing the average value of the operation power before improvement and the temperature data within the certain range of time through the energy baseline establishing unit to obtain a baseline average power and temperature comparison table.
More specifically, the baseline power corresponding to the average temperature can be found from the comparison table of the baseline average power and the temperature, and then the found baseline power, the improved operating power and the improved operating time are calculated to obtain the power saving benefit.
The invention has the beneficial effects that:
(1) the energy-saving method and the energy-saving device can set different energy reference measuring standards for energy-saving electromechanical facilities under different operation attributes, establish an energy baseline (baseline power) according to the energy reference measuring standards, and calculate a baseline of actual energy-saving benefit cost.
(2) The invention can establish a quantitative reference line of an energy performance comparison standard, so the quantitative reference line can be specified in contracts of both parties and used as a reference line for calculating energy-saving service cost of both parties.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1: the invention is used for the energy baseline establishment of the energy-saving service and the overall architecture schematic diagram of the application system;
FIG. 2: the invention is used for the energy baseline of the energy-conserving service to establish and the energy baseline of the application system controls the framework schematic diagram of the servo equipment;
FIG. 3: the invention is used for establishing an energy baseline of an energy-saving service and an implementation schematic diagram of a monthly average temperature look-up table of an application system corresponding to baseline power kW;
FIG. 4: the invention relates to an energy baseline establishing and applying system for energy-saving service and a flow schematic diagram of a method thereof.
Description of the reference numerals
1 energy-saving service case factory
11 external device
111 frequency converter
112 energy-saving electromechanical installation
2 energy source base line control and management servo equipment
21 reference measurement setting unit
22 units information receiving unit
23 unit information statistical unit
24 external information acquisition unit
25 energy source baseline establishing unit
26 power saving efficiency arithmetic unit
3 external units.
Detailed Description
The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
The energy baseline is a quantitative reference line used as an energy performance comparison benchmark, and the energy baseline is an energy-saving standard motor in a plant, is an average value of running power kW before energy saving improvement is implemented, is loaded in a contract in detail and is used as a reference line for calculating energy-saving benefit cost of both parties A and B.
Taking a sewage plant as an example, the daily operation time based on each energy-saving standard is not fixed, and is regulated and controlled in real time according to the factors such as the daily sewage amount, the water quality, the discharge index, the weather and the like, under the premise that the operation of an energy-saving system of the sewage plant is required to meet the discharge water quality standard of the sewage plant, the average value of the running power kW of the motor before energy saving is improved is taken as an energy baseline, and then the value of the daily electricity-saving benefit kWh is calculated according to the kW value of the running power of the motor after improvement and the related operation time uploaded to the cloud in.
The term "appointed days" referred to in the invention refers to the number of collected recording days of the kW value of the running power of the motor agreed by the parties A and B in the energy-saving service contract. Generally, the period must cover the entire period of the spike-off duty cycle; taking a sewage plant as an example, the number of days is stipulated to be at least 7 days.
The term "sampling period" as used herein refers to the sampling period of the collection record of the operating parameters of the motor. In order to enable the energy-saving system to fully master the motor operation dynamic characteristics, the time for sampling the motor operation data once per minute or once is less than or equal to 1 minute.
The energy-saving improvement mentioned in the invention firstly carries out data collection, statistical analysis and analysis to find out the state that the power consumption electromechanical facility can be operated at the lowest load reduction state under the standard condition meeting the water discharge value, thus the power consumption electromechanical facility does not need to be operated at the highest efficiency for a long time, but can also maintain the standard requirement of the most basic discharge, and the power consumption can be effectively reduced.
Please refer to fig. 1 to fig. 2, which are schematic diagrams of an overall architecture of an energy baseline establishing and applying system for energy saving service and an architecture of an energy baseline controlling and managing servo device according to the present invention, wherein the energy baseline establishing and applying system includes an energy saving service plan 1 and an energy baseline controlling and managing servo device 2, the energy saving service plan 1 includes more than one external device 11, and the external device 11 includes a frequency converter 111 and an energy saving electromechanical device 112 electrically connected to the frequency converter 111.
The energy baseline control and servo device 2 is connected with the frequency converter 111, the energy baseline control and servo device 2 comprises a reference measurement setting unit 21, a unit information receiving unit 22, a unit information statistical unit 23, an external information acquisition unit 24, an energy baseline establishing unit 25 and an electricity-saving benefit computing unit 26, and the reference measurement setting unit 21 is used for setting an energy baseline measurement standard according to different energy-saving electromechanical facility operation attributes (a continuous operation motor, an intermittent operation motor, a parallel operation motor or/and a combined operation motor);
the unit information receiving unit 22 is capable of receiving the equipment operation parameters of each energy-saving electromechanical facility 112, where the equipment operation parameters include a before-improvement operation power, an before-improvement operation time, an after-improvement operation power, and an after-improvement operation time, and the parameters are obtained by analyzing and calculating the frequency, current, voltage, and power output by the frequency converter, or the DC Bus voltage, ripple voltage, and operation temperature inside the frequency converter, or the motor torque current, power factor, and other parameters;
the unit information statistical unit 23 is used for recording and counting the operation power before improvement, the operation time before improvement, the operation power after improvement and the operation time after improvement of all the energy-saving electromechanical facilities 112 within a certain range of time;
the external information capturing unit 24 is used to obtain the temperature data in a certain time range through the external unit 3; the energy baseline establishing unit 25 is used for establishing a baseline power according to energy reference measurement standards of different energy-saving electromechanical facilities and the operation power before improvement within a certain time range;
the power saving efficiency calculation unit 26 is used for calculating the baseline power, the improved operation power and the improved operation time to obtain a power saving efficiency.
When the types or application modes of the energy-saving electromechanical facilities with different operation attributes are different, different baseline power and energy-saving benefit calculation modes or detection modes exist, and the energy baseline measurement standard and the energy-saving benefit calculation of different energy-saving electromechanical facilities are explained as follows:
(1) energy-saving electromechanical installation with continuous operation properties:
(a) the energy baseline measuring standard of the energy-saving electromechanical facility with the continuous operation attribute continuously records the kW value of the operation power before improvement in the appointed days, and then calculates the average value of the operation power of the motor in the appointed days to be used as the energy baseline of the continuously operated motor;
(b) baseline establishment was based on recording the kW values per minute for a continuous 7 day/24 hour period before energy savings improvement to calculate a 7 day kW average as the agreed "energy baseline" (baseline power) for both parties (7 days is one of the embodiments, but not limited to 7 days);
(c) daily energy baseline total power usage (kWh):
(d) daily actual total electricity usage (kWh):
(e) and (3) pricing the energy-saving service charge in the month:
k represents day 1 to n per month, n is 30, 31, 28 or 29;
(f) average electricity price: the monthly electric bill (including tax) of Taiwan electric company of China shall pay total amount/monthly total electricity consumption number;
(g) the lubrication proportion: the allocation proportions are agreed upon by both parties in an energy saving service contract.
(2) Energy-saving electromechanical installation with intermittent operation properties:
(a) before the energy conservation is improved, recording the total number kWh of single machine operation for 7 days/24 hours continuously by a watt-hour meter, dividing the total number kWh by 7 days and then dividing the total number by 24 hours to calculate an average power kW value, which is taken as an agreed "energy baseline" (baseline power) of both parties (7 days is one of the embodiments, but is not limited to 7 days);
(b) based on the attribute of the motor in 'intermittent operation', if the baseline is measured in a 'continuous operation' motor mode, the calculation of the total power consumption of the daily energy baseline is expanded due to the increase of the operation time after the improvement of energy saving, so that the defect of excessive expansion of the energy saving benefit kWh value is generated, and the 'energy baseline' is established by using a watt-hour meter for the motor in 'intermittent operation';
(c) the "daily energy baseline total power consumption", "daily actual total power consumption", "monthly energy saving service charge pricing", "average electricity price" and "lubrication division ratio" of the subsequent "intermittently running" motor are as described above.
(3) Two parallel groups of energy-saving electromechanical installations with parallel operating properties:
the parallel-connection operation is changed into two pump type energy-saving electromechanical facilities (main/standby machine configuration) with the same specification, the original operation condition is that a single machine runs in full load, the energy-saving system provides the same flow requirement as the single machine runs in full load by two parallel-connection load-reducing operation under the condition of meeting the actual lift requirement, and can generate the electricity-saving benefit lower than the electricity consumption of the original single machine runs in full load, and the calculation of the measurement standard and the electricity-saving benefit is explained as follows:
(a) take two water pump motors with the same specification as an example: so-called "parallel operating frequency fp"when two water pump motors are in same-frequency load-reducing parallel operation to provide flow rate, the same-frequency load-reducing parallel operation frequency is fp；
(b) The establishment of the base line follows the method of the electromechanical facility with the continuous operation attribute, and the establishment of the single machine energy base line (base line power) is respectively aimed at each motor in the parallel operation group one by one;
(c) the calculated power saving effect is 2fpFor the calculation basis:
(c1) if the total operating frequency of two energy-saving electromechanical facilities<＝2fpThen, the higher energy baseline (baseline power) of the two motors, the total actual running power of the two motors and the relevant running time are adopted to calculate the electricity-saving benefit;
(c2) if the total operating frequency of two energy-saving electromechanical facilities>2fpThen, the respective 'energy baseline' (baseline power), each actual operating power and the relevant operating time of the two energy-saving electromechanical facilities are adopted to independently calculate the power-saving benefit of the single energy-saving electromechanical facility;
(c3) assuming that the "efficiency" of the two water pump motors is the same, the parallel operation frequency fpThe same; if the 'efficiency' of the two water pump motors is different, the parallel operation frequency fpIt is different. Therefore, the above calculation is based on 2fpWill be modified to fp1+fp2；
(d) The "daily energy baseline total power consumption", "daily actual total power consumption", "monthly energy saving service charge pricing", "average electricity price" and "lubrication division ratio" of the subsequent "parallel operation" motors are as described above.
(4) Parallel group of a plurality of energy-saving electromechanical facilities with parallel operation attribute:
(a) taking four water pump motors with the same specification as an example, 2 water pump motors are operated under the original operating condition of full load, and 4 water pump motors are connected in parallel and operated under the same frequency load. When four same-frequency load-reducing parallel operation provide flow rate as two full-load 60Hz operation provide flow rate, the same-frequency load-reducing parallel operation frequency is fp；
(b) The establishment of the base line follows the method of the electromechanical facility with the continuous operation attribute, and the establishment of the single machine energy base line (base line power) is respectively aimed at each motor in the parallel operation group one by one;
(c) the calculated power saving effect is 4fpFor the calculation basis:
(c1) if the total operating frequency of the four energy-saving electromechanical facilities<＝4fpThen, the energy base lines of the two motors which are operated originally are added, and the actual running power and the relevant running time of the four motors are added to calculate the electricity-saving benefit;
(c2) if the total operating frequency of the four energy-saving electromechanical facilities>4fpThen, the respective energy baseline (baseline power), each actual operating power and the relevant operating time of the four energy-saving electromechanical facilities are adopted to independently calculate the energy-saving benefit of the single energy-saving electromechanical facility;
(c3) assuming that the efficiencies of the four water pump motors are the same, the parallel operation frequency fpThe same; if the efficiencies of the four water pump motors are different, the parallel operation frequency fpIt is different. Therefore, the above calculation is based on 4fpWill be modified to fp1+fp2+fp3+fp4；
(d) The method takes actual flow (or pressure) demand as an energy baseline judgment principle of the parallel running motor, and the daily energy baseline total power consumption, the daily actual total power consumption, the monthly energy-saving service charge pricing, the average electricity price and the lubrication division ratio of the subsequent parallel running motor are the same as the above;
(e) the energy-saving electromechanical facility aiming at the attribute of the parallel operation of the multiple motors is also suitable for fan type energy-saving electromechanical facilities (such as motors of an air compressor, a blower and the like) except for the case of applying to a water pump motor. The application difference is as follows: when the method is applied to the energy-saving electromechanical facilities such as the fan, the actual air volume (or pressure) requirement is taken as the judgment principle of the parallel operation frequency.
(5) Energy-saving electromechanical installation with combined operating attributes:
the energy-saving electromechanical facility with combined operation attribute refers to a plurality of motor groups and has high/low speed configuration, and the original operation condition is to adjust and control the number of the motors and the high/low speed according to the load requirement;
(a) taking the cooling tower windmill system as an example, the cooling tower windmill system is generally configured with a plurality of windmill motor groups with high/low speed switching functions, and the system operation regulates and controls the number of running windmill motor groups and high/low speed switching according to the temperature requirement of the water outlet of the cooling tower. Therefore, the operating conditions of the windmill system of the cooling water tower can meet the attribute of 'combined operation' due to the fact that different operating units and high/low speed configuration combinations are generated due to the temperature change of the water outlet of the cooling water tower;
(b) the energy reference measuring standard of the energy-saving electromechanical facility with the combined operation attribute utilizes an annual windmill motor system operation record table and atmospheric monthly average temperature data of a local station of a central meteorological office to calculate a annual 'atmospheric monthly average temperature to windmill motor system monthly average operating power' comparison table in a statistical summary manner as an agreed 'energy baseline' (baseline power) of the two parties (in the embodiment, the cooling tower windmill system and the whole year are used as an implementation, but the field and the range time for implementing the implementation are not limited to the cooling tower windmill system and the whole year);
(c) calculating the total energy baseline power consumption kWh before energy saving and improvement in the current month, obtaining the baseline power corresponding to the atmospheric temperature in the current month according to the corresponding baseline power kW value (representing the data corresponding to the atmospheric temperature and the baseline power in the current month as shown in fig. 3) of the atmospheric temperature in the current month, and multiplying the baseline power by the cumulative operating time in the current month to calculate the total energy baseline power consumption (kWh) before improvement;
(d) then, according to the 'kW value of the running power of the motor system of the improved windmill' and the relevant accumulated running time which are uploaded and recorded every minute, the accumulated sum is used as the actual total power consumption (kWh) after improvement;
(e) finally, subtracting the actual total power consumption (kWh) after improvement from the total power consumption (kWh) of the energy baseline before improvement, so that a power saving amount (power saving benefit) can be obtained;
(f) the "monthly energy-saving service charge pricing", "average electricity price" and "lubrication ratio" of the subsequent "combined operation" motor are the same as those described above.
The process of the energy baseline establishing and applying method for energy-saving service of the invention is shown in fig. 4, and the process is as follows:
(1) connecting an energy-saving electromechanical facility of external equipment of an energy-saving service case factory with an energy baseline control servo device, wherein the energy baseline control servo device can set an energy reference measurement standard 401 according to the operation attributes of different energy-saving electromechanical facilities;
(2) receiving equipment operating parameters for each energy-saving electromechanical facility, wherein the equipment operating parameters include a pre-improvement operating power, a pre-improvement operating time, a post-improvement operating power, and a post-improvement operating time 402;
(3) an "energy baseline" (baseline power) is established according to energy reference measurement standards of different energy-saving electromechanical facilities and a record of operation power before improvement within a certain time range, and the baseline power, the operation power after improvement and the operation time after improvement can be calculated to obtain an energy-saving benefit 403.
When the energy baseline establishing and applying system for the energy-saving service provided by the invention is compared with other conventional technologies, the advantages are as follows:
(1) the application can set different energy reference measurement standards for energy-saving electromechanical facilities under different operation attributes, and establishes an energy baseline (baseline power) according to the energy reference measurement standards and is used for calculating a baseline of actual energy-saving benefit cost.
(2) The invention can establish a quantitative reference line of an energy performance comparison standard, so the quantitative reference line can be specified in contracts of both parties and used as a reference line for calculating energy-saving service cost of both parties.
The foregoing description is only of the preferred embodiments of the present invention, and it should be understood that the described embodiments are only a few, and not all, of the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (14)
1. An energy baseline building and application system for energy saving services, comprising:
at least one energy-saving service case factory, wherein each energy-saving service case factory comprises more than one external device, and the external device comprises a frequency converter and an energy-saving electromechanical facility electrically connected with the frequency converter;
an energy-based control and servo device connected to the frequency converter, the energy-based control and servo device comprising:
the benchmark measurement setting unit is used for setting an energy benchmark measurement standard according to the operation attributes of different energy-saving electromechanical facilities;
a unit information receiving unit for connecting with at least one external device, wherein the unit information receiving unit can receive the device operation parameters of each energy-saving electromechanical facility, and the device operation parameters comprise a before-improvement operation power, an before-improvement operation time, an after-improvement operation power and an after-improvement operation time;
a unit information statistical unit connected with the unit information receiving unit for recording and counting the operation power before improvement, the operation time before improvement, the operation power after improvement and the operation time after improvement of all energy-saving electromechanical facilities within a certain range;
an energy baseline establishing unit, which is connected with the reference measuring and setting unit, the unit information receiving unit and the unit information statistical unit and used for establishing a baseline power according to the energy reference measuring standards of different energy-saving electromechanical facilities and the operation power before improvement within a certain time range;
and the power saving benefit calculation unit is connected with the unit information statistic unit and the energy baseline establishing unit and is used for calculating the baseline power, the operation power after improvement and the operation time after improvement so as to obtain power saving benefit.
2. The energy baseline establishing and applying system for energy saving service of claim 1, wherein the external device is an energy saving electromechanical device with continuous operation attribute, and the energy benchmark measuring standard of each energy saving electromechanical device with continuous operation attribute performs operation power average calculation on the continuously recorded operation power before improvement and the operation time before improvement to obtain the baseline power of the energy saving electromechanical device with continuous operation attribute.
3. The energy baseline building and application system of claim 1, wherein the external device is an energy-saving electromechanical device with intermittent operation attribute, the device operation parameters further include a total power consumption degree before improvement of the motor operation, and the energy baseline measuring standard of each energy-saving electromechanical device with intermittent operation attribute calculates the average value of the operation power of the energy-saving electromechanical device with intermittent operation attribute by using the total power consumption degree before improvement of the motor operation and the operation time before improvement recorded for several consecutive days.
4. The energy baseline building and application system of claim 1, wherein the external device is a parallel group of energy-saving electromechanical devices having multiple parallel operation attributes, and the energy benchmark measure criteria of each energy-saving electromechanical device is calculated by continuously recording the operation power before improvement and the operation time before improvement to obtain the baseline power of each energy-saving electromechanical device in the parallel group one by one.
5. The system as claimed in claim 4, wherein the parallel group operating parameters further include a parallel operating frequency and a total operating frequency of the improved parallel group motors, the total operating frequency of the improved parallel group motors is compared with the number of the operating units multiplied by the parallel operating frequency, the energy baseline is determined by a total or separate operation according to the comparison result, and the baseline power, the improved operating power and the improved operating time are calculated to obtain a power saving effect.
6. The system of claim 1, further comprising an external information capturing unit connected to at least one external unit and the energy baseline establishing unit for obtaining temperature data within a certain time range via the external unit, wherein the external device is an energy-saving electromechanical device with combined operation attributes, and the energy baseline measuring criteria of the energy-saving electromechanical device with combined operation attributes is obtained by the energy baseline establishing unit performing statistical analysis on the average value of operation power and the temperature data before improvement within a certain time range to obtain a baseline average power and temperature comparison table.
7. The system of claim 6, wherein the power saving calculation unit is capable of finding a baseline power corresponding to the average temperature from a comparison table of the baseline average power and the temperature, and calculating the found baseline power, the improved operating power and the improved operating time to obtain a power saving benefit.
8. An energy baseline establishing and applying method for energy-saving service is disclosed, which comprises the following steps:
connecting an energy-saving electromechanical facility of external equipment of an energy-saving service case factory with an energy baseline control servo device, wherein the energy baseline control servo device can set an energy reference measurement standard according to the operation attributes of different energy-saving electromechanical facilities;
receiving equipment operating parameters of each energy-saving electromechanical facility, wherein the equipment operating parameters comprise pre-improvement operating power, pre-improvement operating time, post-improvement operating power and post-improvement operating time;
establishing a baseline power according to energy reference measurement standards of different energy-saving electromechanical facilities and the operation power before improvement within a certain time range, and calculating the baseline power, the operation power after improvement and the operation time after improvement to obtain an energy-saving benefit.
9. The method as claimed in claim 8, wherein the external device is an energy-saving electromechanical device with continuous operation attribute, and the energy reference measurement criteria of each energy-saving electromechanical device with continuous operation attribute is used to calculate the average value of the operation power of the continuously recorded before-improvement operation power and before-improvement operation time to obtain the baseline power of the energy-saving electromechanical device with continuous operation attribute.
10. The method as claimed in claim 8, wherein the external device is an energy-saving electromechanical device with intermittent operation attribute, the device operation parameters further include a total power consumption before improvement, and the energy reference measurement criteria of each energy-saving electromechanical device with intermittent operation attribute is calculated by averaging the total power consumption before improvement and the operation time before improvement recorded for several days to obtain the baseline power of the energy-saving electromechanical device with intermittent operation attribute.
11. The method as claimed in claim 8, wherein the external device is a parallel group of a plurality of energy-saving electromechanical devices having parallel operation attributes, and the energy reference measurement criteria of each energy-saving electromechanical device is calculated by continuously recording the operation power before improvement and the operation time before improvement to obtain the baseline power of each energy-saving electromechanical device of the parallel group one by one.
12. The method as claimed in claim 11, wherein the equipment operating parameters of the energy-saving electromechanical facilities with parallel operating attributes further include a parallel operating frequency and a total operating frequency of the improved parallel group motors, and the total operating frequency of the improved parallel group motors is compared with the operating frequency multiplied by the number of the parallel operating frequencies, and the baseline power, the improved operating power and the improved operating time are calculated in a total or separate manner according to the comparison result to obtain an energy saving effect.
13. The method as claimed in claim 8, wherein the external device is an energy-saving electromechanical facility with combined operation attributes, and the energy baseline measurement criteria of the energy-saving electromechanical facility with combined operation attributes is obtained by the energy baseline establishing unit performing statistical analysis on the average value of the operation power before improvement and the temperature data within a certain time range to obtain a baseline average power and temperature comparison table.
14. The method as claimed in claim 13, wherein the baseline power corresponding to the average temperature is determined from a comparison table of the baseline average power and the temperature, and the determined baseline power, the improved operating power and the improved operating time are calculated to obtain an energy saving benefit.
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| TW107146974 | 2018-12-25 |
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| JP2003150674A (en) * | 2001-11-08 | 2003-05-23 | Hitachi Ltd | Energy saving method for waterworks and sewage works |
| TW200839204A (en) * | 2007-03-30 | 2008-10-01 | Yung-Chung Chang | Energy-saving verification method for air-conditioning system |
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| TWI684076B (en) | 2020-02-01 |
| TW202024817A (en) | 2020-07-01 |
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