CN107093902B - Power load regulation and control method and system - Google Patents
Power load regulation and control method and system Download PDFInfo
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- CN107093902B CN107093902B CN201710500487.3A CN201710500487A CN107093902B CN 107093902 B CN107093902 B CN 107093902B CN 201710500487 A CN201710500487 A CN 201710500487A CN 107093902 B CN107093902 B CN 107093902B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
- H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
Abstract
The invention relates to a power load regulation and control method and a power load regulation and control system, wherein a load control system is used for acquiring a load regulation and control total amount and a load compensation value of a power grid, acquiring a load response compensation value of each load regulation and control object, distributing load regulation and control amount to each load regulation and control object according to the load response compensation value, the load regulation and control total amount and a product value of each load regulation and control object, and performing power load regulation and control on each load regulation and control object according to each load regulation and control amount by using a scheduling system. In the scheme, the power load regulation and control mode is not carried out in a fixed mode during implementation, the regulation and control is carried out based on the load response compensation numerical values of all the load regulation and control objects, the load response flow numerical values can reflect the unit electricity utilization value of the load regulation and control objects, the actual conditions of all the load regulation and control objects are fully considered during the regulation and control, the power load regulation and control are more effective and reasonable, and therefore the load regulation and control benefit is improved.
Description
Technical Field
The invention relates to the technical field of power control, in particular to a power load regulation and control method and system.
Background
The electric energy produced by the power system of the power grid is distributed to meet the load of users, the power demands of the users are different, and how to reasonably regulate and control the power load is very important.
At present, the traditional load regulation and control mode is mainly a mode of orderly power utilization, the regulation and control mode is to reduce peak load, a user usually needs to power off all day long, the load regulation and control mode is too extensive, the satisfaction degree of the user is influenced, and the electricity selling is influenced.
Disclosure of Invention
Therefore, it is necessary to provide a power load regulation method and system for solving the problem of low efficiency of the conventional load regulation method.
A power load regulation method comprises the following steps:
the load control system acquires a load regulation total amount and a load compensation value of the power grid, and calculates a product value of the load regulation total amount and the load compensation value as a target value;
the load control system acquires a load response compensation value of each load regulation and control object, distributes load regulation and control quantity to each load regulation and control object according to the load response compensation value, the load regulation and control total quantity and a product value of each load regulation and control object, and transmits each load regulation and control quantity to a dispatching system of a power grid, wherein the sum of the load regulation and control quantity of each load regulation and control object is equal to the load regulation and control total quantity, and the sum of the load response compensation value of each load regulation and control object and the product value of the corresponding load regulation and control quantity is less than or equal to a target value;
and the dispatching system regulates and controls the power load of each load regulation and control object according to each load regulation and control quantity.
An electrical load regulation system comprising:
the load control system is used for acquiring a load regulation total amount and a load compensation value of the power grid and calculating a product value of the load regulation total amount and the load compensation value as a target value; acquiring a load response compensation value of each load regulation and control object, distributing load regulation and control quantity to each load regulation and control object according to the load response compensation value, the load regulation and control total quantity and a product value of each load regulation and control object, and transmitting each load regulation and control quantity to a dispatching system of a power grid, wherein the sum of the load regulation and control quantity of each load regulation and control object is equal to the load regulation and control total quantity, and the sum of the load response compensation value of each load regulation and control object and the product value of the corresponding load regulation and control quantity is less than or equal to a target value;
and the dispatching system is used for regulating and controlling the power load of each load regulation and control object according to each load regulation and control quantity.
According to the power load regulation method and the power load regulation system, the load control system is used for obtaining the load regulation total amount and the load compensation value of the power grid, obtaining the load response compensation value of each load regulation object, distributing the load regulation amount to each load regulation object according to the load response compensation value, the load regulation total amount and the product value of each load regulation object, and performing power load regulation and control on each load regulation object according to each load regulation amount by using the dispatching system. In the scheme, the power load regulation and control mode is not carried out in a fixed mode during implementation, the regulation and control is carried out based on the load response compensation numerical values of all the load regulation and control objects, the load response flow numerical values can reflect the unit electricity utilization value of the load regulation and control objects, the actual conditions of all the load regulation and control objects are fully considered during the regulation and control, the power load regulation and control are more effective and reasonable, and therefore the load regulation and control benefit is improved.
Drawings
FIG. 1 is a schematic flow chart of a power load regulation method according to an embodiment;
FIG. 2 is a schematic diagram of a power load regulation system according to an embodiment;
FIG. 3 is a schematic diagram of a power load regulation system according to an embodiment;
FIG. 4 is a schematic diagram of a power load regulation system according to an embodiment;
fig. 5 is a schematic structural diagram of a power load regulation system according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, a method for regulating a power load according to an embodiment of the present invention is shown. The power load regulation method in this embodiment includes the steps of:
step S101: the load control system acquires a load regulation total amount and a load compensation value of the power grid, and calculates a product value of the load regulation total amount and the load compensation value as a target value;
in the step, the total load regulation and control amount and the load compensation value are obtained from the power supply side of the power grid;
step S102: the load control system acquires a load response compensation value of each load regulation and control object, distributes load regulation and control quantity to each load regulation and control object according to the load response compensation value, the load regulation and control total quantity and a product value of each load regulation and control object, and transmits each load regulation and control quantity to a dispatching system of a power grid, wherein the sum of the load regulation and control quantity of each load regulation and control object is equal to the load regulation and control total quantity, and the sum of the load response compensation value of each load regulation and control object and the product value of the corresponding load regulation and control quantity is less than or equal to a target value;
step S103: and the dispatching system regulates and controls the power load of each load regulation and control object according to each load regulation and control quantity.
In this embodiment, a load control system is used to obtain a total load regulation and control amount and a load compensation value of a power grid, obtain a load response compensation value of each load regulation and control object, distribute a load regulation and control amount to each load regulation and control object according to the load response compensation value, the total load regulation and control amount and a product value of each load regulation and control object, and perform power load regulation and control on each load regulation and control object according to each load regulation and control amount by using a scheduling system. The power load regulation and control mode is not carried out in a fixed mode during implementation, regulation and control are carried out based on load response compensation values of all load regulation and control objects, the load response flow values can reflect the unit power utilization value of the load regulation and control objects, the actual conditions of all the load regulation and control objects are fully considered during regulation and control, the power load regulation and control are more effective and reasonable, and therefore the load regulation and control benefit is improved.
Optionally, the load response compensation value of each load regulation and control object may be stored in a corresponding relationship table in advance, one load regulation and control object corresponds to one load response compensation value, and the load control system may modify the corresponding relationship table.
In one embodiment, the power load regulation method further includes the steps of:
the load control system sends notification information including load regulation and control quantity to corresponding load regulation and control objects and receives feedback information of each load regulation and control object;
the step of the dispatching system for regulating and controlling the power load of each load regulation and control object according to each load regulation and control quantity comprises the following steps:
and when the received feedback information of each load regulation and control object represents the agreed information, the dispatching system regulates and controls the power load of each load regulation and control object according to each load regulation and control quantity.
In this embodiment, after the load control system allocates the load regulation amount to each load regulation object, the load control system may send notification information including load regulation amount information to the corresponding load regulation object, the load regulation object determines whether to accept the load regulation amount in the notification, and sends feedback information to the load control system, when each load regulation object agrees to accept the load regulation amount, the scheduling system performs power load regulation on each load regulation object according to each load regulation amount, and the actual condition of each load regulation object is considered before regulation, so that power load regulation is further effective and reasonable.
In one embodiment, the power load regulation method further includes the steps of:
when more than one piece of information representing objection exists in the feedback information of each load regulation and control object, the load control system rejects the feedback information as the load regulation and control object representing the objection information, redistributes load regulation and control quantity to each remaining regulation and control object and transmits the load regulation and control quantity to the dispatching system, wherein the sum of the load regulation and control quantity of each remaining load regulation and control object is equal to the total load regulation and control quantity, and the sum of the load response compensation value of each remaining load regulation and control object and the product value of the corresponding load regulation and control quantity is less than or equal to a target value;
the step of the dispatching system for regulating and controlling the power load of each load regulation and control object according to each load regulation and control quantity comprises the following steps:
and the dispatching system regulates and controls the power load of each residual load regulation and control object according to the redistributed load regulation and control quantity.
In this embodiment, when there is a load regulation and control amount in the notification that the load regulation and control object does not accept, the load regulation and control object may be removed, and the load regulation and control amount is redistributed to the remaining load regulation and control objects, and it is still necessary to satisfy the condition that the sum of the load regulation and control amounts of the remaining load regulation and control objects is equal to the total load regulation and control amount, and the sum of the product values of the load response compensation values of the remaining load regulation and control objects and the corresponding load regulation and control amount is less than or equal to the target value during distribution.
In one embodiment, the power load regulation method further includes the steps of:
when more than one piece of information representing objection exists in the feedback information of each load regulation and control object, the load control system increases the load response compensation value of the load regulation and control object of which the feedback information represents objection by a preset amplitude value, wherein after the preset amplitude value is increased, the sum of the product value of the load response compensation value of each load regulation and control object and the corresponding load regulation and control quantity is still less than or equal to a target value;
sending notification information including the increased preset amplitude to a corresponding load regulation object, and receiving secondary feedback information of the corresponding load regulation object;
and when the secondary feedback information is the information representing the agreement, the dispatching system regulates and controls the power load of each load regulation and control object according to each load regulation and control quantity.
In this embodiment, when there is a load regulation amount in which the load regulation object does not accept notification, the load response compensation value of each load regulation object may be increased by a preset amplitude on the premise that the sum of the product value of the load response compensation value of the load regulation object and the corresponding load regulation amount is still less than or equal to the target value, notification information including the increased preset amplitude is sent to the corresponding load regulation object, and after the corresponding load regulation object receives the condition of increasing the preset amplitude, the scheduling system performs power load regulation on each load regulation object according to each load regulation amount, so that power load regulation can be maximally achieved while fully considering the actual situation of each load regulation object.
And then the load regulation and control quantity is redistributed to the rest load regulation and control objects, the condition that the sum of the load regulation and control quantity of each rest load regulation and control object is equal to the total load regulation and control quantity and the sum of the product value of the load response compensation value of each rest load regulation and control object and the corresponding load regulation and control quantity is less than or equal to the target value is still met during distribution, and when the load regulation and control object does not accept the load regulation and control quantity in the notification, the load regulation and control can not be carried out on the load regulation and control object, so that the power load regulation and control are further rationalized.
In one embodiment, the power load regulation method further includes the steps of:
the response management system acquires the available capacity of the power generation side through the scheduling system and acquires load prediction quantity through a load prediction system of the power grid; comparing the available capacity of the power generation side with the load forecast, acquiring the total load regulation and control amount, and determining a load compensation value according to the size of the total load regulation and control amount and the load response time; and transmitting the load regulation total amount and the load compensation value to a load control system.
In this embodiment, the response management system obtains the available capacity and the load forecast amount on the power generation side through the scheduling system and the load forecasting system, obtains the total load regulation amount according to the two data, and determines the load compensation value according to the size of the total load regulation amount and the load response time for the load control system to use.
Specifically, the total load regulation and control amount is the difference between the load prediction amount and the available capacity on the power generation side.
In one embodiment, the power load regulation method further includes the steps of:
after the load response is completed, the response management system acquires the actual load monitoring amount through a metering system of the power grid, compares the load monitoring amount with the total load regulation and control amount, and determines the effectiveness of power load regulation and control according to the comparison result.
In this embodiment, after the load response is completed, the response management system obtains the actual load monitoring amount through the metering system of the power grid, and compares the actual load monitoring amount with the total load regulation amount, so as to be used as a judgment basis for the effectiveness of power load regulation.
Optionally, when the load detection amount is the same as the total load regulation amount or the deviation is within a preset range, the power load regulation is effective and meets the regulation requirement; when the deviation between the load detection amount and the total load regulation amount exceeds a preset range, the power load regulation failure is indicated, other power dispatching resources need to be called to meet the load regulation requirement, and the reason for the power load regulation failure is checked.
In one embodiment, the power load regulation method further includes the steps of:
the load control system acquires real-time power consumption data of each load regulation and control object, and real-time reduction is carried out on the total load regulation and control amount according to the real-time power consumption data; and when the real-time power utilization data of any one load regulation and control object is detected not to be consistent with the load regulation and control quantity of the load regulation and control object, calculating the load regulation and control quantity which cannot be responded by the load regulation and control object.
In this embodiment, in the load response process, the load control system may obtain real-time power consumption data of each load regulation and control object, and reduce the total load regulation and control amount in real time, so that real-time management and control of load regulation and control in the load response process may be realized; when the real-time power utilization data of any one load regulation and control object is detected not to be consistent with the load regulation and control quantity of the load regulation and control object, the load regulation and control quantity which cannot be responded by the load regulation and control object can be calculated, and other power scheduling resources can be called in time to meet the load regulation and control requirements.
According to the power load regulation method, the invention also provides a power load regulation system, and the following describes an embodiment of the power load regulation system in detail.
Referring to fig. 2, a power load regulation system according to an embodiment of the present invention is shown. The power load regulation system in this embodiment includes:
the load control system 210 is configured to obtain a total load regulation and control amount and a load compensation value of the power grid, and calculate a product value of the total load regulation and control amount and the load compensation value as a target value; acquiring a load response compensation value of each load regulation and control object, distributing load regulation and control quantity to each load regulation and control object according to the load response compensation value, the load regulation and control total quantity and a product value of each load regulation and control object, and transmitting each load regulation and control quantity to a dispatching system 220 of a power grid, wherein the sum of the load regulation and control quantity of each load regulation and control object is equal to the load regulation and control total quantity, and the sum of the load response compensation value of each load regulation and control object and the product value of the corresponding load regulation and control quantity is less than or equal to a target value;
and the scheduling system 220 is configured to perform power load regulation on each load regulation object according to each load regulation amount.
In one embodiment, the load control system 210 sends notification information including load regulation amount to corresponding load regulation objects, and receives feedback information of each load regulation object;
when the received feedback information of each load regulation and control object is information representing agreement, the scheduling system 220 performs power load regulation and control on each load regulation and control object according to each load regulation and control quantity.
In one embodiment, when there is more than one piece of information representing objection in the feedback information of each load regulation and control object, the load control system 210 rejects the feedback information as the load regulation and control object representing the objection, redistributes the load regulation and control amount to each remaining load regulation and control object, and transmits the load regulation and control amount to the scheduling system 220, wherein the sum of the load regulation and control amount of each remaining load regulation and control object is equal to the total load regulation and control amount, and the sum of the product value of the load response compensation value of each remaining load regulation and control object and the corresponding load regulation and control amount is less than or equal to the target value;
the scheduling system 220 performs power load regulation on each remaining load regulation object according to each load regulation amount redistributed.
In one embodiment, when there is more than one piece of information representing objection in the feedback information of each load regulation and control object, the load control system 210 increases the load response compensation value of the load regulation and control object of which the feedback information represents objection by a preset amplitude value, wherein after the preset amplitude value is increased, the sum of the product values of the load response compensation value and the corresponding load regulation and control amount of each load regulation and control object is still less than or equal to the target value;
the load control system 210 sends the notification information including the increased preset amplitude to the corresponding load regulation and control object, and receives the secondary feedback information of the corresponding load regulation and control object;
when the secondary feedback information represents agreement, the scheduling system 220 performs power load control on each load control object according to each load control amount.
In one embodiment, as shown in FIG. 3, the power load regulation system further includes a response management system 230;
the response management system 230 acquires the available capacity of the power generation side through the dispatching system 220, and acquires the load prediction amount through a load prediction system of the power grid; comparing the available capacity of the power generation side with the load forecast, acquiring the total load regulation and control amount, and determining a load compensation value according to the size of the total load regulation and control amount and the load response time; the total amount of load regulation and the load compensation value are transmitted to the load control system 210.
In one embodiment, after the response management system 230 completes the load response, the actual load monitoring amount is obtained through the metering system of the power grid, the load monitoring amount is compared with the total load regulation amount, and the effectiveness of the power load regulation is determined according to the comparison result.
In one embodiment, the load control system 210 obtains real-time power consumption data of each load regulation and control object, and real-time reduces the total load regulation and control amount according to the real-time power consumption data; and when the real-time power utilization data of any one load regulation and control object is detected not to be consistent with the load regulation and control quantity of the load regulation and control object, calculating the load regulation and control quantity which cannot be responded by the load regulation and control object.
In one embodiment, as shown in FIG. 4, the power load regulation system further includes a response statistics system 240;
the response statistical system 240 is configured to count response data of each load control object, determine a load response compensation value of each load control object according to each response data, and transmit the load response compensation value of each load control object to the load control system 210.
The power load regulation and control system of the present invention corresponds to the power load regulation and control method of the present invention, and the technical features and the advantageous effects thereof described in the embodiments of the power load regulation and control method are applicable to the embodiments of the power load regulation and control system.
In a specific embodiment, the power load regulation and control method of the present invention can be applied to an automatic demand response architecture of a power grid.
The demand response means that after a power supplier changes the electricity usage pattern inherent to the user through a direct compensation notice of inductive load reduction or an electric power price rise signal, the demand response mainly comprises a response based on a price mechanism and a response mechanism based on price incentive; the development of demand response proceeds through three stages: manual demand response, semi-automatic demand response and fully-automatic demand response. Automatic demand response will not rely on any manual operation, triggering the user-side demand response program by accepting an external signal. The demand response can be utilized to reduce the power demand of a user, promote energy conservation and emission reduction, realize peak clipping and valley filling of a power grid, ensure safe and stable operation of the power grid, realize flexible interaction between the power grid and the user, reduce or transfer peak load, optimize resource allocation, improve the service capacity and load control capacity of the user, reduce the maximum load through managing energy conservation, really realize no production reduction of power limit, improve the satisfaction degree of the user and reduce the unit pressure of basic power supply.
The invention mainly considers the effectiveness and the initiative of load response, can be particularly applied to a power supply system of a city power supply bureau, and mainly comprises four parts: a response statistical system, a response management system, a load control system of an integration service provider, and a scheduling system, as shown in fig. 5.
Response statistics system: on the basis of a commercial power demand side management platform, basic functions of automatic demand response are developed and deployed, basic work such as information issuing, data statistics and the like of automatic demand response is realized through the system, and load response compensation values of all load regulation and control objects can be obtained for a load control system to use;
the response management system: and comprehensively analyzing data of the scheduling system and the load forecasting system to obtain a load gap, and comprehensively considering response value according to load size, response time and the like so as to determine a load compensation value. The response management system is based on a dispatching system and a load prediction system of a power grid, performs data interaction with a load control system and a load regulation and control object of an integrated service provider, and needs to be deployed inside the power grid system in consideration of information safety and operation management because data intercommunication with other systems in the power grid is required.
The load control system of the integration service provider: and providing a load regulation and control distribution scheme for the load regulation and control object according to the data of the response management system and the data of the response statistical system. After receiving the load reduction command, the peak load is managed and controlled through modes such as pre-notification and automatic equipment control, and load management and control optimization is achieved.
The integration service provider acts as a proxy for a plurality of dispersed users and is realized by the following processes:
the integration service provider A and a power grid company agree to realize the reduction of the load P by a certain compensation value a; in order to reduce the total load P, the integration service provider can determine the actual response Pb, Pc and Pd of each load regulation and control object in the load regulation and control object (B, C, D, etc.) in the proxy range according to the difference of compensation values of a plurality of load regulation and control objects and based on a compensation clearing mechanism, so that the sum of the reduction amount of each user can meet the requirement of the total load P.
In the working process of the response management system, the available capacity of the power generation side of the dispatching system and the load prediction amount of the load prediction system are obtained, a load gap is determined by comparing the available capacity and the load prediction amount of the load prediction system, and the gap is used as the total load regulation amount; after the load response is completed, the actual load monitoring amount needs to be obtained through a metering system, and the comparison result of the load monitoring amount and the load regulation and control total amount is used as the basis of the load response effectiveness.
The load control system of the integrated service provider acquires real-time electricity consumption data of each load regulation and control object, and real-time reduction is carried out on the total load regulation and control amount according to the real-time electricity consumption data; when the fact that the real-time electricity utilization data of any one load regulation and control object do not accord with the load regulation and control quantity of the load regulation and control object is detected, the load regulation and control quantity which cannot be responded by the load regulation and control object is calculated, and the real-time reduction condition and the load regulation and control quantity which cannot be responded by the load regulation and control object are uploaded to a response management system for real-time control in the response process.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Those skilled in the art will appreciate that all or part of the steps in the method for implementing the above embodiments may be implemented by a program instructing the relevant hardware. The program may be stored in a readable storage medium. Which when executed comprises the steps of the method described above. The storage medium includes: ROM/RAM, magnetic disk, optical disk, etc.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A power load regulation method is characterized by comprising the following steps:
the load control system acquires a load regulation total amount and a load compensation value of a power grid, and calculates a product value of the load regulation total amount and the load compensation value as a target value;
the load control system acquires a load response compensation value of each load regulation object, distributes load regulation and control quantity to each load regulation and control object according to the load response compensation value, the load regulation and control total quantity and the product value of each load regulation and control object, and transmits each load regulation and control quantity to a dispatching system of a power grid, wherein the sum of the load regulation and control quantity of each load regulation and control object is equal to the load regulation and control total quantity, the sum of the load response compensation value of each load regulation and control object and the product value of the corresponding load regulation and control quantity is less than or equal to the target value, and the load response compensation value is used for reflecting the unit electricity value of the load regulation and control object;
the dispatching system regulates and controls the power load of each load regulation and control object according to each load regulation and control quantity;
before the dispatching system regulates and controls the power load of each load regulation and control object according to each load regulation and control quantity, the method further comprises a step A or a step B;
wherein, the step A is as follows: when more than one piece of information representing objection exists in the feedback information of each load regulation and control object, the load control system increases the load response compensation value of the load regulation and control object of which the feedback information represents objection by a preset amplitude value, wherein after the preset amplitude value is increased, the sum of the product value of the load response compensation value of each load regulation and control object and the corresponding load regulation and control amount is still less than or equal to the target value; sending the notification information including the increased preset amplitude to a corresponding load regulation object, and receiving secondary feedback information of the corresponding load regulation object;
wherein, the step B is as follows: when more than one piece of information representing objection exists in the feedback information of each load regulation object, the load control system rejects the feedback information as the load regulation object representing the objection information, redistributes load regulation and control quantity to each residual load regulation and control object and transmits the load regulation and control quantity to the dispatching system, wherein the sum of the load regulation and control quantity of each residual load regulation and control object is equal to the total load regulation and control quantity, and the sum of the product value of the load response compensation value of each residual load regulation and control object and the corresponding load regulation and control quantity is less than or equal to the target value;
the method for performing power load regulation and control on each load regulation and control object by the dispatching system according to each load regulation and control quantity comprises the following steps: after the step A, when the secondary feedback information represents agreement, the dispatching system regulates and controls the power load of each load regulation and control object according to each load regulation and control quantity; or after the step B, the dispatching system regulates and controls the power load of each residual load regulation and control object according to the redistributed load regulation and control quantity.
2. The power load control method according to claim 1, wherein the step of the scheduling system performing power load control on each of the load control objects according to each of the load control amounts includes the steps of:
and when the received feedback information of each load regulation and control object represents the agreed information, the dispatching system regulates and controls the power load of each load regulation and control object according to each load regulation and control quantity.
3. The power load regulation method according to claim 1, further comprising the steps of:
the response management system acquires the available capacity of the power generation side through the dispatching system and acquires load prediction quantity through a load prediction system of the power grid; comparing the available capacity of the power generation side with the load forecast, acquiring the total load regulation and control amount, and determining the load compensation value according to the size of the total load regulation and control amount and the load response time; and transmitting the load regulation and control total amount and the load compensation value to the load control system.
4. The power load regulation method according to claim 1, further comprising the steps of:
after the load response is completed, the response management system acquires the actual load monitoring amount through a metering system of the power grid, compares the load monitoring amount with the total load regulation and control amount, and determines the effectiveness of power load regulation and control according to the comparison result.
5. The power load regulation method according to claim 1, further comprising the steps of:
the load control system acquires real-time power consumption data of each load regulation and control object, and real-time reduction is carried out on the total load regulation and control amount according to the real-time power consumption data; and when the real-time power utilization data of any one load regulation and control object is detected not to be consistent with the load regulation and control quantity of the load regulation and control object, calculating the load regulation and control quantity which cannot be responded by the load regulation and control object.
6. An electrical load regulation system, comprising:
the load control system is used for acquiring a load regulation total amount and a load compensation value of a power grid and calculating a product value of the load regulation total amount and the load compensation value as a target value; acquiring a load response compensation value of each load regulation and control object, distributing a load regulation and control quantity to each load regulation and control object according to the load response compensation value, the load regulation and control total quantity and the product value of each load regulation and control object, and transmitting each load regulation and control quantity to a dispatching system of a power grid, wherein the sum of the load regulation and control quantities of each load regulation and control object is equal to the load regulation and control total quantity, the sum of the load response compensation value of each load regulation and control object and the product value of the corresponding load regulation and control quantity is less than or equal to the target value, the load response compensation value is used for reflecting the unit electricity utilization value of the load regulation and control object, and when more than one piece of information representing objection exists in the feedback information of each load regulation and control object, the load response compensation value of the load regulation and control object of which the feedback information represents objection is increased by a preset amplitude value, after the preset amplitude value is increased, the sum of the product values of the load response compensation value of each load regulation object and the corresponding load regulation amount is still less than or equal to the target value; sending the notification information including the increased preset amplitude to a corresponding load regulation object, and receiving secondary feedback information of the corresponding load regulation object;
and the dispatching system is used for carrying out power load regulation and control on each load regulation and control object according to each load regulation and control quantity, wherein when the secondary feedback information is information representing agreement, the dispatching system carries out power load regulation and control on each load regulation and control object according to each load regulation and control quantity.
7. The electrical load regulation system of claim 6, further comprising:
the response management system is used for acquiring the available capacity of the power generation side through the scheduling system and acquiring load prediction quantity through a load prediction system of the power grid; comparing the available capacity of the power generation side with the load forecast, acquiring the total load regulation and control amount, and determining the load compensation value according to the size of the total load regulation and control amount and the load response time; and transmitting the load regulation and control total amount and the load compensation value to the load control system.
8. The electrical load regulation system of claim 7, further comprising:
and the response statistical system is used for counting the response data of each load control object, determining the load response compensation value of each load control object according to each response data, and transmitting the load response compensation value of each load control object to the load control system.
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| CN112053038A (en) * | 2020-08-18 | 2020-12-08 | 广东电网有限责任公司广州供电局 | Migration and modification system with big data integration display function |
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