CN112421643A - Flexible load measurement and control method - Google Patents
Flexible load measurement and control method Download PDFInfo
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- CN112421643A CN112421643A CN202011202802.2A CN202011202802A CN112421643A CN 112421643 A CN112421643 A CN 112421643A CN 202011202802 A CN202011202802 A CN 202011202802A CN 112421643 A CN112421643 A CN 112421643A
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- load
- flexible
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- intelligent
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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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- 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
- H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
- H02J2310/62—The condition being non-electrical, e.g. temperature
- H02J2310/64—The condition being economic, e.g. tariff based load management
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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 discloses a flexible load measurement and control method, wherein the flexible load of each client is connected with an intelligent ammeter and can adjust the running state of the client under the control of the intelligent ammeter, the intelligent ammeter sends user electricity consumption data to a dispatching platform, and the dispatching platform sets the load according to the requirements of the client and transmits dispatching signals of the load to resident load equipment to each load controller through the intelligent ammeter. The invention can effectively realize electrical intelligent control, can be compatible with a remote control mode and an economic operation mode, realizes the system optimization control in the largest range, and greatly improves the safety, comfort, reliability and economy of electricity utilization.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to a flexible load measurement and control method.
Background
Along with the continuous development of intellectualization and internet of things technology, people are increasingly demanding on automatic products in life, and intelligent equipment is favored by people gradually. The user inserts intelligent equipment with electrical equipment, supplies power for electrical equipment through intelligent equipment to can remote real time control or regularly control intelligent equipment in order to control electrical equipment, with the demand that satisfies real life. In conventional grids, disconnecting the load can only be achieved by means of tripping. In the intelligent power grid, the intelligent electric meter has the information bidirectional communication capacity, so that the flexible control of the power consumption of an end user at the power grid centralized control end is completely possible, the effect equivalent to tripping to cut off the power consumption load can be achieved, the load distribution can be optimized during the daily operation of the power grid, the interference caused by the fluctuation of clean energy is inhibited, and the economy and the robustness of the power system are obviously improved. Meanwhile, under the background of continuous integration and gradual development of the intelligent power grid and the internet of things technology, various intelligently controlled electric devices provide possibility for intelligent control of flexible loads.
The invention discloses a flexible load measurement and control device, a method, equipment and a storage medium, which are applied under the condition that the application number is 202010365302.4, and the invention is named as the flexible load measurement and control device, the method, the equipment and the storage medium, and discloses the flexible load measurement and control device. The flexible load measurement and control device can flexibly schedule each flexible load, and is beneficial to solving the contradiction of the supply and demand sides of a power grid. The problem that the operation cost is higher needs to install a brand-new device for flexible load regulation and control, does not make full use of smart electric meters.
Disclosure of Invention
1. The technical problem to be solved is as follows:
aiming at the technical problems, the invention provides a flexible load measurement and control method, which can change the absorption capacity of the electric load to realize rapid synchronous tracking and finally keep the balance between the total supply and demand of the electric energy of the system by rapidly and accurately flexibly controlling the load of a user under the condition of no power interruption when the output of a clean power supply is greatly changed, thereby obviously improving the absorption capacity of the clean energy while keeping the economy of the system; the intelligent control system can realize the intelligent control of electricity by controlling the flexible intelligent load and utilizing the existing power grid structure on the premise of not changing the internal power wiring of a building of a user and the indoor power wiring of the user; according to the invention, while the flexible intelligent load control is realized, each intelligent electric appliance can be compatible with a remote control mode and an economic operation mode, and can also contain various technologies such as energy storage, flexible power transmission, microgrid control and the like, the system optimization control in the largest range is realized, and the safety, comfort, reliability and economy of power utilization are greatly improved.
2. The technical scheme is as follows:
a flexible load measurement and control method is characterized in that: the flexible load of each client is connected with the intelligent electric meter and can adjust the running state of the client under the control of the intelligent electric meter, the intelligent electric meter sends the electricity utilization data of the client to the dispatching platform, the dispatching platform sets the load requirements of the client according to the demands of the client, and dispatching signals of the client to the resident load equipment are transmitted to the load controllers through the intelligent electric meter.
Further, the setting of the demand of the user on the load specifically includes the following steps:
s1, the interruptible load is connected with the intelligent socket, the user sets a cuttable time period, the intelligent socket uploads the collected power utilization data to the intelligent electric meter, and the intelligent electric meter receives the regulation and control instruction issued by the scheduling platform to carry out load interruption or switch-on control.
And S2, adjusting the adjustable load according to the load size range preset by the user.
S3 sets the allowable operation time for a flexible load that is flexible in load start time but can be operated only one load cycle after being turned on.
S4 user presets the operation time in advance for the flexibly controllable load in any period.
S5 for an energy storage device; when the real-time electricity price of the power grid is higher, the battery stores energy to discharge when the dispatching platform directly controls the charging and discharging of the dispatching platform; and when the real-time electricity price of the power grid is lower, the battery stores energy to charge.
Further, the load controller comprises an intelligent socket, an intelligent switch and an air conditioner temperature control module, wherein the intelligent socket is connected with the flexible load.
Further, the interruptible load is a load which is always on all day, the load comprises a refrigerator, and the user selects the interruptible time interval according to the self power utilization condition and the self comfort requirement.
Further, the adjustable load comprises an illumination load with adjustable brightness and an air conditioning load; the method comprises the steps that illumination load adjustment is carried out, a user sets an illumination electricity price threshold value, illumination electricity power is set according to the comfort level of the user, and when the real-time electricity price of a power grid is higher than the electricity price threshold value, the illumination load is reduced to the preset electricity power of the user; and (3) adjusting the load of the air conditioner, wherein a user sets an air conditioner electricity price threshold value, a temperature value range is set according to the comfort level of the user, and when the real-time electricity price of the power grid is higher than the air conditioner electricity price threshold value, the air conditioning equipment adjusts the temperature to a critical value in a preset value range so as to reduce the power consumption of the load.
Furthermore, the flexible load which is flexible to the start time of the load but can only run for one load cycle after being started comprises an electric cooker and a washing machine; the user sets the time period for which the load is allowed to run according to his own comfort.
Further, the flexibly controllable loads in any time period comprise electric automobile loads, and the running time period of the flexibly controllable loads is the preset charging ending and full time of the next day.
Further, when the dispatching platform receives the power load requirement of a certain customer, the power consumption law of the other customers in the fixed time period of the certain customer is calculated according to the historical data of the other customers, and the running time of the relevant flexible load of the certain customer is determined according to the lowest target of the power consumption law and the dispatching cost; and sending the running time to a scheduling platform, and sending the flexible load working time in the set time period to the intelligent electric meter of the corresponding client by the scheduling platform.
Further, the smart electric meter is interconnected with a wide area network, receives a remote instruction of a user through the wide area network, and controls or sets the operation state and the operation time of the flexible load according to the remote instruction.
3. Has the advantages that:
the invention can realize the quick and accurate control of the flexible load under the condition of not cutting off a load power supply, particularly quickly cut down the load under the emergency state of the power grid, such as the shortage of power supply in emergency, quickly improve the consumption capability of the power grid, keep the balance between the total supply and demand of the system electric energy, effectively realize the intelligent control of electricity, can be compatible with a remote control mode and an economic operation mode, realize the optimal control of the system in the largest range, and greatly improve the safety, the comfort, the reliability and the economy of the electricity utilization.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The method for measuring and controlling the flexible load as shown in the attached figure 1 is characterized in that: the flexible load of each client is connected with the intelligent electric meter and can adjust the running state of the client under the control of the intelligent electric meter, the intelligent electric meter sends the electricity utilization data of the client to the dispatching platform, the dispatching platform sets the load requirements of the client according to the demands of the client, and dispatching signals of the client to the resident load equipment are transmitted to the load controllers through the intelligent electric meter.
Further, the setting of the demand of the user on the load specifically includes the following steps:
s1, the interruptible load is connected with the intelligent socket, the user sets a cuttable time period, the intelligent socket uploads the collected power utilization data to the intelligent electric meter, and the intelligent electric meter receives the regulation and control instruction issued by the scheduling platform to carry out load interruption or switch-on control.
And S2, adjusting the adjustable load according to the load size range preset by the user.
S3 sets the allowable operation time for a flexible load that is flexible in load start time but can be operated only one load cycle after being turned on.
S4 user presets the operation time in advance for the flexibly controllable load in any period.
S5 for an energy storage device; when the real-time electricity price of the power grid is higher, the battery stores energy to discharge when the dispatching platform directly controls the charging and discharging of the dispatching platform; and when the real-time electricity price of the power grid is lower, the battery stores energy to charge.
Further, the load controller comprises an intelligent socket, an intelligent switch and an air conditioner temperature control module, wherein the intelligent socket is connected with the flexible load.
Further, the interruptible load is a load which is always on all day, the load comprises a refrigerator, and the user selects the interruptible time interval according to the self power utilization condition and the self comfort requirement.
Further, the adjustable load comprises an illumination load with adjustable brightness and an air conditioning load; the method comprises the steps that illumination load adjustment is carried out, a user sets an illumination electricity price threshold value, illumination electricity power is set according to the comfort level of the user, and when the real-time electricity price of a power grid is higher than the electricity price threshold value, the illumination load is reduced to the preset electricity power of the user; and (3) adjusting the load of the air conditioner, wherein a user sets an air conditioner electricity price threshold value, a temperature value range is set according to the comfort level of the user, and when the real-time electricity price of the power grid is higher than the air conditioner electricity price threshold value, the air conditioning equipment adjusts the temperature to a critical value in a preset value range so as to reduce the power consumption of the load.
Furthermore, the flexible load which is flexible to the start time of the load but can only run for one load cycle after being started comprises an electric cooker and a washing machine; the user sets the time period for which the load is allowed to run according to his own comfort.
Further, the flexibly controllable loads in any time period comprise electric automobile loads, and the running time period of the flexibly controllable loads is the preset charging ending and full time of the next day.
Further, when the dispatching platform receives the power load requirement of a certain customer, the power consumption law of the other customers in the fixed time period of the certain customer is calculated according to the historical data of the other customers, and the running time of the relevant flexible load of the certain customer is determined according to the lowest target of the power consumption law and the dispatching cost; and sending the running time to a scheduling platform, and sending the flexible load working time in the set time period to the intelligent electric meter of the corresponding client by the scheduling platform.
Further, the smart electric meter is interconnected with a wide area network, receives a remote instruction of a user through the wide area network, and controls or sets the operation state and the operation time of the flexible load according to the remote instruction.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A flexible load measurement and control method is characterized in that: the flexible load of each client is connected with the intelligent electric meter and can adjust the running state of the client under the control of the intelligent electric meter, the intelligent electric meter sends the electricity utilization data of the client to the dispatching platform, the dispatching platform sets the load requirements of the client according to the demands of the client, and dispatching signals of the client to the resident load equipment are transmitted to the load controllers through the intelligent electric meter.
2. The flexible load measurement and control method according to claim 1, characterized in that: the setting of the load demand of the user comprises the following steps:
s1, for interruptible loads, connecting with an intelligent socket, setting a cuttable time period by a user, uploading collected power utilization data to an intelligent electric meter by the intelligent socket, and receiving a regulation and control instruction issued by a scheduling platform by the intelligent electric meter to carry out load interruption or switch-on control;
s2, adjusting the adjustable load according to the load size range preset by the user;
s3, setting the allowable operation time by the user for the flexible load which has flexible load starting time but can only operate for one load period after being started;
s4, for the flexibly controllable load in any time interval, the user presets the running time in advance;
s5 for an energy storage device; when the real-time electricity price of the power grid is higher, the battery stores energy to discharge when the dispatching platform directly controls the charging and discharging of the dispatching platform; and when the real-time electricity price of the power grid is lower, the battery stores energy to charge.
3. The flexible load measurement and control method according to claim 2, wherein: the load controller comprises an intelligent socket, an intelligent switch and an air conditioner temperature control module, wherein the intelligent socket is connected with the flexible load.
4. The flexible load measurement and control method according to claim 2, wherein: the interruptible load is a load which is always on all day, and comprises a refrigerator, and a user selects an interruptible time period according to the self power utilization condition and the self comfort requirement.
5. The flexible load measurement and control method according to claim 2, wherein: the adjustable load comprises an illumination load with adjustable brightness and an air conditioning load; the method comprises the steps that illumination load adjustment is carried out, a user sets an illumination electricity price threshold value, illumination electricity power is set according to the comfort level of the user, and when the real-time electricity price of a power grid is higher than the electricity price threshold value, the illumination load is reduced to the preset electricity power of the user; and (3) adjusting the load of the air conditioner, wherein a user sets an air conditioner electricity price threshold value, a temperature value range is set according to the comfort level of the user, and when the real-time electricity price of the power grid is higher than the air conditioner electricity price threshold value, the air conditioning equipment adjusts the temperature to a critical value in a preset value range so as to reduce the power consumption of the load.
6. The flexible load measurement and control method according to claim 2, wherein: the flexible load which is flexible to the load starting time but can only run for one load cycle after being started comprises an electric cooker and a washing machine; the user sets the time period for which the load is allowed to run according to his own comfort.
7. The flexible load measurement and control method according to claim 2, wherein: the flexibly controllable load in any time period comprises an electric automobile load, and the running time period is the preset charging ending and full time of the next day.
8. The flexible load measurement and control method according to claim 1, characterized in that: when the dispatching platform receives the power consumption load requirement of a certain customer, calculating the power consumption law of the other customers in the fixed time period of the customer according to the historical data of the other customers, and determining the operation time of the relevant flexible load of the customer according to the power consumption law and the lowest dispatching cost as the target; and sending the running time to a scheduling platform, and sending the flexible load working time in the set time period to the intelligent electric meter of the corresponding client by the scheduling platform.
9. The flexible load measurement and control method according to claim 1, characterized in that: the intelligent electric meter is interconnected with a wide area network, receives a remote instruction of a user through the wide area network, and controls or sets the running state and running time of the flexible load according to the remote instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011202802.2A CN112421643A (en) | 2020-11-02 | 2020-11-02 | Flexible load measurement and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011202802.2A CN112421643A (en) | 2020-11-02 | 2020-11-02 | Flexible load measurement and control method |
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| Publication Number | Publication Date |
|---|---|
| CN112421643A true CN112421643A (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011202802.2A Withdrawn CN112421643A (en) | 2020-11-02 | 2020-11-02 | Flexible load measurement and control method |
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| Country | Link |
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| CN (1) | CN112421643A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142459A (en) * | 2021-11-15 | 2022-03-04 | 国网湖北省电力有限公司营销服务中心(计量中心) | Demand side management system based on electric energy meter and closed-loop control method thereof |
-
2020
- 2020-11-02 CN CN202011202802.2A patent/CN112421643A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142459A (en) * | 2021-11-15 | 2022-03-04 | 国网湖北省电力有限公司营销服务中心(计量中心) | Demand side management system based on electric energy meter and closed-loop control method thereof |
| CN114142459B (en) * | 2021-11-15 | 2024-04-12 | 国网湖北省电力有限公司营销服务中心(计量中心) | Electric energy meter-based demand side management system and closed-loop control method thereof |
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Application publication date: 20210226 |
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