CN113467265A - Power consumption maximum demand control system and power consumption maximum demand control method - Google Patents
Power consumption maximum demand control system and power consumption maximum demand control method Download PDFInfo
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Abstract
The invention relates to a power consumption maximum demand control system and a power consumption maximum demand control method, wherein the power consumption maximum demand control system comprises: the system comprises a control module, a metering module, a demand judging module and a return water temperature adjusting module; the metering module is suitable for monitoring the energy of each electric device; the demand judging module is suitable for acquiring the voltage and the current of each electric device so as to obtain the number of electric energy pulses in corresponding time; the demand judging module accumulates the number of the electric energy pulses in the corresponding time period, multiplies the accumulated number by the electric energy equivalent of the pulse, and divides the electric energy equivalent by the time period to obtain a demand value so as to compare the demand value with a demand control value to obtain a comparison result; the backwater temperature adjusting module acquires an outdoor temperature trend and an indoor temperature and controls the backwater temperature of each electric device; the control module controls the corresponding electric equipment to start or stop or work frequency; the invention can reasonably control the peak avoiding operation of large-scale electric equipment and effectively reduce the maximum demand of power consumption of a factory.
Description
Technical Field
The invention belongs to the technical field of demand control of electric equipment, and particularly relates to a maximum demand control system and a maximum demand control method for power utilization.
Background
Demand refers to the average value of power over a specified time interval. Maximum demand refers to the maximum of the demand recorded over a specified period,
the charging mode of calculating the basic electricity charge by adopting the maximum demand can promote industrial users to adjust the electricity load, achieve load balance, compress peak load, keep the local voltage stable, and simultaneously promote the users to reduce the basic electricity charge, thereby being one of measures for improving the economic benefit of enterprises.
The electricity charge of large-scale production and manufacturing enterprises accounts for nearly half or even higher energy charge proportion, the electricity cost comprises two parts of basic electricity charge and electricity quantity and electricity charge, 85% of actual electricity consumption is continuously optimized in the use process of each department at ordinary times, and then 15% of basic electricity charge needs to be optimized, the basic electricity charge: the electricity load value (namely the maximum electricity demand value) generated when the total station electricity is at the highest peak in a certain period of each month is multiplied by the demand unit price to obtain the basic electricity charge of the plant in each month. (example: 8 month maximum demand value 30228KW 40-membered unit price 1209120-membered). The aim of saving basic electricity charges can be achieved only by controlling the maximum electricity demand value, and how to control the maximum electricity demand is a big problem faced by enterprises.
Therefore, it is necessary to develop a new power consumption maximum demand control system and a new power consumption maximum demand control method to solve the above problems.
Disclosure of Invention
The invention aims to provide a system and a method for controlling the maximum demand of power consumption.
In order to solve the above technical problem, the present invention provides a system for controlling a maximum demand for electricity, including: the system comprises a control module, a metering module, a demand judging module and a return water temperature adjusting module, wherein the metering module, the demand judging module and the return water temperature adjusting module are electrically connected with the control module; the control module, the metering module, the demand judging module and the return water temperature adjusting module are all connected with electric equipment; the metering module is suitable for monitoring the energy for each electric device so as to send the energy to the control module; the demand judging module is suitable for acquiring the voltage and the current of each electric device so as to obtain the number of electric energy pulses in corresponding time; the demand judging module accumulates the number of the electric energy pulses in the corresponding time period, multiplies the accumulated number by the electric energy equivalent of the pulse, divides the accumulated number by the time period to obtain a demand value so as to compare the demand value with a demand control value to obtain a comparison result, and sends the comparison result to the control module; the backwater temperature adjusting module is suitable for acquiring outdoor temperature trend and indoor temperature and controlling backwater temperature of each electric device according to the outdoor temperature trend and the indoor temperature; and the control module is suitable for controlling the starting or stopping or working frequency of the corresponding electric equipment according to the energy for each electric equipment, the comparison result of the demand value and the demand control value of the electric equipment and the return water temperature of each electric equipment.
Further, the control module is connected with an alarm module; when the energy for each electric device exceeds a set value, the control module controls the alarm module to give an alarm.
Further, the demand judging module includes: the corresponding voltage sampler, the corresponding current sampler and the judgment processor are respectively arranged on each electric device; each voltage sampler and each current sampler are electrically connected with the judgment processor; the voltage samplers and the current samplers are suitable for acquiring the voltage and the current of the corresponding electric equipment so as to acquire the electric energy pulse number of the electric equipment in the corresponding time; the judgment processor accumulates the number of the electric energy pulses in the corresponding time period, multiplies the accumulated number by the electric energy equivalent of the pulses, divides the accumulated number by the time period to obtain a demand value, compares the demand value with a demand control value to obtain a comparison result, and sends the comparison result to the control module.
Further, the judgment processor accumulates the number of electric energy pulses of each electric device from 1min to 15min, multiplies the accumulated number by the equivalent electric energy of the pulse, and divides the equivalent electric energy by 15min to obtain the demand value.
Further, the return water temperature adjusting module includes: the temperature control processor, the indoor temperature sensor and the communication circuit are electrically connected with the temperature control processor; each electric equipment is connected with a water return control system, and the temperature control processor is connected with the water return control system; the indoor temperature sensor is positioned in a room provided with each electric device; the temperature control processor respectively acquires indoor temperature trends and outdoor temperature trends through the indoor temperature sensor and the communication circuit, namely the temperature control processor controls the return water temperature of each electric device according to the indoor temperature trends and the outdoor temperature trends.
In another aspect, the present invention provides a method for controlling a maximum demand of electricity, including: monitoring the energy of each electric device; collecting the voltage and current of each electric device to obtain the number of electric energy pulses in corresponding time; accumulating the number of electric energy pulses of the corresponding time period, multiplying the accumulated number of electric energy pulses by the equivalent electric energy of the pulses, and dividing the accumulated number of electric energy pulses by the time period to obtain a demand value so as to compare the demand value with a demand control value to obtain a comparison result; acquiring an outdoor temperature trend and an indoor temperature, and controlling the return water temperature of each electric device according to the outdoor temperature trend and the indoor temperature; and controlling the starting or stopping or working frequency of the corresponding electric equipment according to the energy for each electric equipment, the comparison result of the demand value and the demand control value of the electric equipment and the return water temperature of each electric equipment.
Further, when the energy for each electric device exceeds a set value, an alarm is given.
Further, a corresponding voltage sampler and a corresponding current sampler are respectively arranged on each electric device; each voltage sampler and each current sampler are electrically connected with the judgment processor; acquiring the voltage and the current of corresponding electric equipment through each voltage sampler and each current sampler so as to acquire the electric energy pulse number of the electric equipment in corresponding time; and accumulating the number of the electric energy pulses in the corresponding time period by the judgment processor, multiplying the accumulated number by the electric energy equivalent of the pulses, and dividing the accumulated number by the time period to obtain a demand value so as to compare the demand value with a demand control value to obtain a comparison result.
Further, the number of electric energy pulses from 1min to 15min of each electric device is accumulated by the judgment processor, then the electric energy pulse is multiplied by the electric energy equivalent of the pulse, and the electric energy equivalent is divided by 15min to obtain a demand value.
Further, a temperature control processor, an indoor temperature sensor and a communication circuit are arranged, wherein the indoor temperature sensor is electrically connected with the temperature control processor; each electric equipment is connected with a water return control system, and the temperature control processor is connected with the water return control system; the indoor temperature sensor is positioned in a room provided with each electric device; the temperature control processor respectively acquires indoor temperature trends and outdoor temperature trends through the indoor temperature sensor and the communication circuit, namely the temperature control processor controls the return water temperature of each electric device according to the indoor temperature trends and the outdoor temperature trends.
The invention has the advantages that the metering module, the demand judging module and the return water temperature adjusting module are used for respectively monitoring the energy for each electric device, obtaining the comparison result of the demand value and the demand control value of the electric device and controlling the return water temperature of each electric device, and the start or stop or working frequency of the corresponding electric device is controlled according to the energy for each electric device, the comparison result of the demand value and the demand control value of the electric device and the return water temperature of each electric device, so that the peak avoiding operation of large-scale electric devices can be reasonably controlled, and the maximum demand of the power consumption of a factory is effectively reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a functional block diagram of a power utilization maximum demand control system of the present invention;
FIG. 2 is a flow chart of the present invention power utilization maximum demand control system;
fig. 3 is a flowchart of the operation of the power consumption maximum demand control method of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all 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.
Example 1
FIG. 1 is a functional block diagram of a power utilization maximum demand control system of the present invention;
fig. 2 is a flow chart of the power consumption maximum demand control system of the present invention.
In this embodiment, as shown in fig. 1 and 2, the present embodiment provides a system for controlling maximum demand for electricity, which includes: the system comprises a control module, a metering module, a demand judging module and a return water temperature adjusting module, wherein the metering module, the demand judging module and the return water temperature adjusting module are electrically connected with the control module; the control module, the metering module, the demand judging module and the return water temperature adjusting module are all connected with electric equipment; the metering module is suitable for monitoring the energy for each electric device so as to send the energy to the control module; the demand judging module is suitable for acquiring the voltage and the current of each electric device so as to obtain the number of electric energy pulses in corresponding time; the demand judging module accumulates the number of the electric energy pulses in the corresponding time period, multiplies the accumulated number by the electric energy equivalent of the pulse, divides the accumulated number by the time period to obtain a demand value so as to compare the demand value with a demand control value to obtain a comparison result, and sends the comparison result to the control module; the backwater temperature adjusting module is suitable for acquiring outdoor temperature trend and indoor temperature and controlling backwater temperature of each electric device according to the outdoor temperature trend and the indoor temperature; and the control module is suitable for controlling the starting or stopping or working frequency of the corresponding electric equipment according to the energy for each electric equipment, the comparison result of the demand value and the demand control value of the electric equipment and the return water temperature of each electric equipment.
In this embodiment, the metering module may adopt a two-stage metering device, and the metering module and the control module are transmitted through a data interface.
In this embodiment, the control module performs data interaction with the server through the corresponding communication module.
In this embodiment, the metering module, the demand determination module, and the return water temperature adjustment module are used to monitor the energy for each electric device, obtain the comparison result between the demand value and the demand control value of the electric device, and control the return water temperature of each electric device, and according to the comparison result between the demand value and the demand control value of each electric device, and the return water temperature of each electric device, the start or stop or operating frequency of the corresponding electric device is controlled, so that the peak-avoiding operation of the large-scale electric device can be reasonably controlled, and the maximum demand of the power consumption of the factory is effectively reduced.
In recent years, with the deep adjustment of the economic structure of China, in order to support enterprise transformation and reduce the economic operation cost of an entity, a national development and reform committee office issues a notification about the improvement of basic electricity price execution modes of two electricity price users, wherein the limitation of a change period of a basic electricity price charging mode is relaxed, namely the change period of a maximum demand value of a contract is adjusted from the current change according to half a year to the change according to a month, a power user can apply for the change of the maximum demand value of the contract of the next month to a power grid enterprise 5 working days in advance, when the actual maximum demand of the power user exceeds 105% determined by the contract, the basic electricity charges exceeding 105% are charged by one time, and the basic electricity charges not exceeding 105% determined by the contract are charged according to the contract determined value. "this regulation is most beneficial to the manufacturing enterprise to save electricity expenses. The enterprise can reduce the expenditure of basic electric charge by reporting the maximum demand in time, but the electric charge cost is increased if the reported actual demand value exceeds 105%, so that the cost can be saved by controlling the electric equipment through the electric maximum demand control system.
In this embodiment, the control module is connected with an alarm module; when the energy for each electric device exceeds a set value, the control module controls the alarm module to give an alarm.
In this embodiment, when the energy consumption of each electric device exceeds 85% of the maximum demand value, the control module controls the alarm module to alarm, and prohibits the start of the relevant large electric device (the refrigerating unit), so as to effectively avoid the demand value exceeding the set range.
In this embodiment, when the demand of each electric device is about to reach the expected set value, the control module immediately alarms, and prohibits the starting of the relevant large electric device (refrigerating unit) and immediately adjusts the on-off time of the large electric device.
In this embodiment, as shown in fig. 2, the demand determination module includes: the corresponding voltage sampler, the corresponding current sampler and the judgment processor are respectively arranged on each electric device; each voltage sampler and each current sampler are electrically connected with the judgment processor; the voltage samplers and the current samplers are suitable for acquiring the voltage and the current of the corresponding electric equipment so as to acquire the electric energy pulse number of the electric equipment in the corresponding time; the judgment processor accumulates the number of the electric energy pulses in the corresponding time period, multiplies the accumulated number by the electric energy equivalent of the pulses, divides the accumulated number by the time period to obtain a demand value, compares the demand value with a demand control value to obtain a comparison result, and sends the comparison result to the control module.
In this embodiment, as shown in fig. 2, the judgment processor adds up the number of electric energy pulses from 1min to 15min of each electric device, multiplies the number by the equivalent of electric energy (multiplying power) of the pulse, and divides the number by 15min to obtain the required value.
In this embodiment, as shown in fig. 2, voltage sampling and current sampling are performed on the electric devices by the voltage samplers and the current samplers, a 15min demand value is obtained by a power calculation pulse and a multiplying factor, so that the 15min demand value is compared with the demand control value to obtain a comparison result, and the control module sends a start request instruction or a frequency control instruction to the corresponding electric device according to the comparison result.
In this embodiment, the demand value is compared with the demand control value to control the state of the electric equipment, so that the industrial user can be promoted to adjust the electric load, the load balance is achieved, the peak load is compressed, the local voltage is kept stable, and meanwhile, the user is promoted to reduce the basic electric charge.
In this embodiment, the return water temperature adjusting module includes: the temperature control processor, the indoor temperature sensor and the communication circuit are electrically connected with the temperature control processor; each electric equipment is connected with a water return control system, and the temperature control processor is connected with the water return control system; the indoor temperature sensor is positioned in a room provided with each electric device; the temperature control processor respectively acquires indoor temperature trends and outdoor temperature trends through the indoor temperature sensor and the communication circuit, namely the temperature control processor controls the return water temperature of each electric device according to the indoor temperature trends and the outdoor temperature trends.
In this embodiment, as shown in fig. 2, when the temperature control processor controls the return water temperature according to the temperature trend and the indoor temperature, an instruction for starting the electric equipment is sent to the control module; and when the control of the return water temperature is stopped, sending an instruction of stopping the electric equipment to the control module.
In the embodiment, the return water temperature of each electric device is reasonably controlled in advance through the temperature control processor, so that the maximum demand of the electricity of each electric device is effectively reduced.
In the embodiment, the control module reasonably controls the large-scale electric equipment to perform peak avoiding operation (guides the large-scale electric equipment to perform peak avoiding starting operation) according to the production tempo, so that the maximum power consumption requirement is effectively reduced, and the basic electric charge can be saved by about 10-15% every year through energy-saving optimization measures.
Example 2
Fig. 3 is a flowchart of the operation of the power consumption maximum demand control method of the present invention.
On the basis of embodiment 1, as shown in fig. 3, the present embodiment provides a method for controlling a maximum demand for electricity, which includes: monitoring the energy of each electric device; collecting the voltage and current of each electric device to obtain the number of electric energy pulses in corresponding time; accumulating the number of electric energy pulses of the corresponding time period, multiplying the accumulated number of electric energy pulses by the equivalent electric energy of the pulses, and dividing the accumulated number of electric energy pulses by the time period to obtain a demand value so as to compare the demand value with a demand control value to obtain a comparison result; acquiring an outdoor temperature trend and an indoor temperature, and controlling the return water temperature of each electric device according to the outdoor temperature trend and the indoor temperature; and controlling the starting or stopping or working frequency of the corresponding electric equipment according to the energy for each electric equipment, the comparison result of the demand value and the demand control value of the electric equipment and the return water temperature of each electric equipment.
In this embodiment, when the energy for each electric device exceeds a set value, an alarm is given.
In the embodiment, the corresponding voltage sampler and the corresponding current sampler are respectively arranged on each electric device; each voltage sampler and each current sampler are electrically connected with the judgment processor; acquiring the voltage and the current of corresponding electric equipment through each voltage sampler and each current sampler so as to acquire the electric energy pulse number of the electric equipment in corresponding time; and accumulating the number of the electric energy pulses in the corresponding time period by the judgment processor, multiplying the accumulated number by the electric energy equivalent of the pulses, and dividing the accumulated number by the time period to obtain a demand value so as to compare the demand value with a demand control value to obtain a comparison result.
In this embodiment, the number of electric energy pulses from 1min to 15min of each electric device is accumulated by the judgment processor, and then multiplied by the electric energy equivalent of the pulse, and then divided by 15min, so as to obtain the demand value.
In the embodiment, the temperature control processor, the indoor temperature sensor electrically connected with the temperature control processor and the communication circuit are arranged; each electric equipment is connected with a water return control system, and the temperature control processor is connected with the water return control system; the indoor temperature sensor is positioned in a room provided with each electric device; the temperature control processor respectively acquires indoor temperature trends and outdoor temperature trends through the indoor temperature sensor and the communication circuit, namely the temperature control processor controls the return water temperature of each electric device according to the indoor temperature trends and the outdoor temperature trends.
In this embodiment, the electricity maximum demand control method is adapted to work with the electricity maximum demand control system provided in embodiment 1, and the electricity maximum demand control system has been clarified in embodiment 1.
In summary, the invention respectively monitors the energy for each electric device, obtains the comparison result of the demand value and the demand control value of the electric device, controls the return water temperature of each electric device, and controls the start or stop or working frequency of the corresponding electric device according to the energy for each electric device, the comparison result of the demand value and the demand control value of the electric device, and the return water temperature of each electric device, so that the peak avoiding operation of large-scale electric devices can be reasonably controlled, and the maximum demand of the power consumption of a factory is effectively reduced.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A system for controlling maximum demand for electricity, comprising:
the system comprises a control module, a metering module, a demand judging module and a return water temperature adjusting module, wherein the metering module, the demand judging module and the return water temperature adjusting module are electrically connected with the control module; wherein
The control module, the metering module, the demand judging module and the return water temperature adjusting module are all connected with electric equipment;
the metering module is suitable for monitoring the energy for each electric device so as to send the energy to the control module;
the demand judging module is suitable for acquiring the voltage and the current of each electric device so as to obtain the number of electric energy pulses in corresponding time;
the demand judging module accumulates the number of the electric energy pulses in the corresponding time period, multiplies the accumulated number by the electric energy equivalent of the pulse, divides the accumulated number by the time period to obtain a demand value so as to compare the demand value with a demand control value to obtain a comparison result, and sends the comparison result to the control module;
the backwater temperature adjusting module is suitable for acquiring outdoor temperature trend and indoor temperature and controlling backwater temperature of each electric device according to the outdoor temperature trend and the indoor temperature; and
the control module is suitable for controlling the starting or stopping or working frequency of the corresponding electric equipment according to the energy for each electric equipment, the comparison result of the demand value and the demand control value of the electric equipment and the return water temperature of each electric equipment.
2. The power usage maximum demand control system of claim 1,
the control module is connected with an alarm module;
when the energy for each electric device exceeds a set value, the control module controls the alarm module to give an alarm.
3. The power usage maximum demand control system of claim 1,
the demand judging module comprises: the corresponding voltage sampler, the corresponding current sampler and the judgment processor are respectively arranged on each electric device;
each voltage sampler and each current sampler are electrically connected with the judgment processor;
the voltage samplers and the current samplers are suitable for acquiring the voltage and the current of the corresponding electric equipment so as to acquire the electric energy pulse number of the electric equipment in the corresponding time;
the judgment processor accumulates the number of the electric energy pulses in the corresponding time period, multiplies the accumulated number by the electric energy equivalent of the pulses, divides the accumulated number by the time period to obtain a demand value, compares the demand value with a demand control value to obtain a comparison result, and sends the comparison result to the control module.
4. The power usage maximum demand control system of claim 3,
the judgment processor accumulates the number of electric energy pulses of each electric equipment from 1min to 15min, multiplies the accumulated number by the electric energy equivalent of the pulse, and divides the electric energy equivalent by 15min to obtain the electric energy equivalent
And obtaining a required value.
5. The power usage maximum demand control system of claim 1,
the return water temperature adjusting module includes: the temperature control processor, the indoor temperature sensor and the communication circuit are electrically connected with the temperature control processor;
each electric equipment is connected with a water return control system, and the temperature control processor is connected with the water return control system;
the indoor temperature sensor is positioned in a room provided with each electric device;
the temperature control processor respectively acquires the indoor temperature trend and the outdoor temperature trend through an indoor temperature sensor and a communication circuit, namely
And the temperature control processor controls the return water temperature of each electric device according to the indoor temperature and outdoor temperature trends.
6. A method for controlling the maximum demand of electricity, which is characterized by comprising the following steps:
monitoring the energy of each electric device;
collecting the voltage and current of each electric device to obtain the number of electric energy pulses in corresponding time;
accumulating the number of electric energy pulses of the corresponding time period, multiplying the accumulated number of electric energy pulses by the equivalent electric energy of the pulses, and dividing the accumulated number of electric energy pulses by the time period to obtain a demand value so as to compare the demand value with a demand control value to obtain a comparison result;
acquiring an outdoor temperature trend and an indoor temperature, and controlling the return water temperature of each electric device according to the outdoor temperature trend and the indoor temperature;
and controlling the starting or stopping or working frequency of the corresponding electric equipment according to the energy for each electric equipment, the comparison result of the demand value and the demand control value of the electric equipment and the return water temperature of each electric equipment.
7. The method of claim 6, wherein the maximum demand for electricity is controlled,
and when the energy for each electric device exceeds a set value, alarming.
8. The method of claim 6, wherein the maximum demand for electricity is controlled,
the corresponding voltage sampler and the corresponding current sampler are respectively arranged on each electric device;
each voltage sampler and each current sampler are electrically connected with the judgment processor;
acquiring the voltage and the current of corresponding electric equipment through each voltage sampler and each current sampler so as to acquire the electric energy pulse number of the electric equipment in corresponding time;
and accumulating the number of the electric energy pulses in the corresponding time period by the judgment processor, multiplying the accumulated number by the electric energy equivalent of the pulses, and dividing the accumulated number by the time period to obtain a demand value so as to compare the demand value with a demand control value to obtain a comparison result.
9. The power consumption maximum demand control method according to claim 8,
accumulating the number of the electric energy pulses of the electric equipment from 1min to 15min by the judgment processor, multiplying the accumulated number by the equivalent of the electric energy of the pulse, and dividing the equivalent by 15min to obtain the finished product
And obtaining a required value.
10. The method of claim 6, wherein the maximum demand for electricity is controlled,
the indoor temperature sensor is electrically connected with the temperature control processor;
each electric equipment is connected with a water return control system, and the temperature control processor is connected with the water return control system;
the indoor temperature sensor is positioned in a room provided with each electric device;
the temperature control processor respectively acquires the indoor temperature trend and the outdoor temperature trend through an indoor temperature sensor and a communication circuit, namely
And the temperature control processor controls the return water temperature of each electric device according to the indoor temperature and outdoor temperature trends.
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Citations (8)
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