CN202475018U - Power flexible load control system - Google Patents
Power flexible load control system Download PDFInfo
- Publication number
- CN202475018U CN202475018U CN2011205577619U CN201120557761U CN202475018U CN 202475018 U CN202475018 U CN 202475018U CN 2011205577619 U CN2011205577619 U CN 2011205577619U CN 201120557761 U CN201120557761 U CN 201120557761U CN 202475018 U CN202475018 U CN 202475018U
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- Prior art keywords
- load
- loop
- control
- flexible
- controller
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Supply And Distribution Of Alternating Current (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a power flexible load control system, belonging to the field of the power load control technology and solving the technical problem for power load control. The power flexible load control system comprises a load control center, a flexible load controller and multiple controlled load loops, wherein each controlled load loop is provided with a trip controller which is used for controlling on-off of the loop, and a load measurement and control device for acquiring the loop electric signal; the flexible load controller is connected with each load measurement and control device in communication mode; a load information acquisition module is connected with a total power supply output end of a substation; a load control center sends the load control information to the flexible load controller in wireless communication mode; and the flexible load controller cuts off the load according to the priority of the controlled load loops from low to high successively, and stops the subsequent cutting off load action when the total load for power supply at the power supply side achieves the load limitation requirement. The power flexible load control system can realize power flexible load control.
Description
Technical field
The utility model relates to electricity load control technology, particularly relates to the technology of the flexible load control system of a kind of electric power.
Background technology
Present domestic electric power system has generally been installed load control system in large user's side.
As shown in Figure 3, existing power load control system mainly is made up of with long-range load control centre 5 ' a load control unit 1 ', and load control unit 1 ' is connected with the GPRS communication with load control centre 5 '.Load control centre issues the instruction of limit lotus according to current system loading level to power distribution station, and the instruction of limit lotus comprises limit lotus amount (active power) and operate time.Also promptly load control centre notify this load control unit will in the time of appointment, limit when preload to the level of appointment, for example reduce by 30% load in 15 minutes, the load control unit generally can send the voice suggestion alarm after receiving the instruction of limit lotus.
If the load control unit detects load and at the appointed time, drops to the appointment number; Then directly control each controlled-load loop 2 ' and excise load in regular turn; Until the limit lotus requirement of satisfying load control centre, and excise the order of loading and set out, can't change according to predefined order.
If there is the operator on duty in time to obtain limit lotus information; And broadcast announcement subordinate user artificial cut-out load at the appointed time; Make the at the appointed time interior requirement that can reach load control centre of supply side total load; The control unit of then loading can not carried out load excision operation, and all loads that excised must be recovered by manual work after load control is removed.
In sum; There is following problem in existing power load control system: 1) load control is that target is taked " pressure " pulling load with the load demand for control that satisfies supply side fully; Do not consider the coordination and the control of user side; If the load loop that is excised is responsive to power supply quality, then unavoidably can cause loss of outage; 2) the existing power load control system makes the terminal use almost have no and responds the ability of rationing the power supply and requiring; Even if " notice " information of load control terminal; Also need the property management personnel to take the mode of manual work notice to notify the information of rationing the power supply, exist time-delay and transmission information freely not to cause the possibility of forcing to limit lotus to the terminal use; 3) the load control unit is according to predefined permanent order pulling load; Cause the user who fixes to be rationed the power supply, often cause the contradiction between user and the property, all users have contribution to total power load; But the responsibility of rationing the power supply is but only born by fixed-line subscriber, is unfair.
The utility model content
To the defective that exists in the above-mentioned prior art; The utility model technical problem to be solved provides the subscriber's side powered loop of a kind of ability realization fully participate in the Load Regulation process; Avoid the non-expection in subscriber's side powered loop to have a power failure; Avoid important subscriber's side powered loop to have a power failure, can realize the flexible load control system of electric power of the flexible load control of electric power.
In order to solve the problems of the technologies described above; The flexible load control system of a kind of electric power that the utility model provided; Comprise load control centre, and be installed in the flexible load governor of power distribution station, connect a plurality of subscriber's side powered loop of each power supply output branch end of power distribution station respectively;
It is characterized in that: in the said subscriber's side powered loop; It is the controlled-load loop that many loops are arranged; Be equipped with a load measurement and control unit in each controlled-load loop; Said load measurement and control unit comprises that one is used to control the tripping operation controller of loop, place break-make, and one is used to gather the load controller of loop, place electric signal;
Said tripping operation controller be provided with one be used to control its deciliter the electrical control end, said load controller is provided with a control signal output ends, its control signal output ends is received the control end of this unit tripping operation controller;
Said flexible load governor is built-in with an information on load acquisition module, and connects the controller of respectively loading with communication mode, and its information on load acquisition module connects total power supply output of power distribution station;
Said flexible load governor is with communication connected load control centre, or through a conventional load controller with communication connected load control centre.
Flexible load control system of the electric power that the utility model provides and control method thereof; Flexible load governor is pressed the priority excision in regular turn from low to high in controlled-load loop and is loaded, and promptly detect the power supply total load of supply side behind the load in a controlled-load loop of every excision according to load control information; When having reached the limit lotus and required like the power supply total load of supply side; Promptly stop the action of follow-up excision load, therefore the Load Regulation process can be fully participated in subscriber's side powered loop, can avoid the non-expection in subscriber's side powered loop to have a power failure; Avoid important subscriber's side powered loop to have a power failure, can realize the flexible load control of electric power.
Description of drawings
Fig. 1 is the structural representation of the flexible load control system of electric power of the utility model embodiment;
Fig. 2 is the control flow chart of the flexible load control system of electric power of the utility model embodiment;
Fig. 3 is the structural representation of existing power load control system.
Embodiment
Embodiment to the utility model describes in further detail below in conjunction with description of drawings, but present embodiment is not limited to the utility model, and analog structure of every employing the utility model and similar variation thereof all should be listed the protection range of the utility model in.
As shown in Figure 1; The flexible load control system of a kind of electric power that the utility model embodiment is provided; Comprise load control centre (not shown), and be installed in the flexible load governor of power distribution station, connect a plurality of subscriber's side powered loop 2 of each power supply output branch end of power distribution station respectively;
It is characterized in that: in the said subscriber's side powered loop 2; It is the controlled-load loop that many loops are arranged; Be equipped with a load measurement and control unit 3 in each controlled-load loop; Said load measurement and control unit 3 comprises that one is used to control the tripping operation controller of loop, place break-make, and one is used to gather the load controller of loop, place electric signal;
Said tripping operation controller be provided with one be used to control its deciliter the electrical control end, said load controller is provided with a control signal output ends, its control signal output ends is received the control end of this unit tripping operation controller;
Said flexible load governor 1 is built-in with an information on load acquisition module, and connects the controller of respectively loading with communication mode, and its information on load acquisition module connects total power supply output 4 of power distribution station;
Said flexible load governor 1 is with communication connected load control centre, or through a conventional load controller with communication connected load control centre.
Among the utility model embodiment, said controlled-load loop is under limit lotus situation, participating in the loading inessential current supply circuit controlled (like the air conditioner load loop etc.), can be with all subscriber's side powered loops all as the controlled-load loop under extreme case.
Among the utility model embodiment, said flexible load governor is the industrial computer that possesses communication capacity.
Among the utility model embodiment, said load controller is a prior art.
Among the utility model embodiment, said tripping operation controller is the intelligent plastic housing circuit breaker that possesses distant control function, or possesses the shunt release of tripping operation control, or the combination of conventional breaker of plastic casing and shunt release.
As shown in Figure 2, the control method of the flexible load control system of a kind of electric power that the utility model embodiment is provided is characterized in that concrete steps are following:
For setting a priority in every controlled-load loop;
In the time of need implementing load control to power distribution station, load control centre issues load control information and the instruction of limit lotus to flexible load governor, and said load control information comprises limit lotus amount, limit lotus operate time;
In the time of need discharging control to power distribution station, load control centre issues the load restoration instruction to flexible load governor;
After flexible load governor is received load control information and the instruction of limit lotus; Limit lotus power supply output variable according to power distribution station behind the calculating of the limit lotus amount in the load control information rising limit lotus; The load control operation is implemented in each controlled-load loop, and the implementation step of the control operation of specifically loading is following:
1) flexible load governor and each load controller communicate, and obtain the load value in each controlled-load loop in real time through each load controller;
2) flexible load governor generates the tabulation of a limit lotus according to the priority in the limit lotus amount in the load control information, each controlled-load loop, the load value in each controlled-load loop;
Include many controlled-load loops and load value thereof in the said limit lotus tabulation; And the priority in each the controlled-load loop in the tabulation of limit lotus all is lower than the priority in each outer controlled-load loop of limit lotus tabulation; According to priority arrange from low to high in regular turn in each controlled-load loop in the tabulation of limit lotus, and the load value sum in each controlled-load loop is more than or equal to the limit lotus amount in the load control information in the tabulation of limit lotus;
3) flexible load governor is got first controlled-load loop from the tabulation of limit lotus;
4) the load controller of flexible load governor in the controlled-load loop of from the tabulation of limit lotus, being got sends a trip command; After receiving trip command, the load controller promptly exports a trip signal; Make this unit tripping operation controller carry out the tripping operation action, make the controlled-load loop open circuit at its place;
5) flexible load governor is gathered the current power supply output total load of power distribution station, and whether the current power supply output total load of detection power distribution station reaches the limit lotus power supply output variable of power distribution station;
If the current power supply of power distribution station output total load then forwards step 6 to greater than the limit lotus power supply output variable of power distribution station, otherwise then the load control operation in each controlled-load loop is finished;
6) flexible load governor judges whether to arrive limit lotus tabulation tail end;
If no show limit lotus tabulation tail end is then got next controlled-load loop from the tabulation of limit lotus, go to step 4 again, otherwise then the load control operation in each controlled-load loop is finished;
After flexible load governor is received the load restoration instruction; Load controller in each controlled-load loop sends a reclosing command; And to limitting lotus number of times, limit lotus time and limit lotus amount to add up; Promptly export a switching signal after the load controller is received reclosing command, make this unit tripping operation controller carry out feed motion, make the controlled-load loop conducting at its place.
Claims (1)
1. the flexible load control system of electric power comprises load control centre, and is installed in the flexible load governor of power distribution station, connects a plurality of subscriber's side powered loop of each power supply output branch end of power distribution station respectively;
It is characterized in that: in the said subscriber's side powered loop; It is the controlled-load loop that many loops are arranged; Be equipped with a load measurement and control unit in each controlled-load loop; Said load measurement and control unit comprises that one is used to control the tripping operation controller of loop, place break-make, and one is used to gather the load controller of loop, place electric signal;
Said tripping operation controller be provided with one be used to control its deciliter the electrical control end, said load controller is provided with a control signal output ends, its control signal output ends is received the control end of this unit tripping operation controller;
Said flexible load governor is built-in with an information on load acquisition module, and connects the controller of respectively loading with communication mode, and its information on load acquisition module connects total power supply output of power distribution station;
Said flexible load governor is with communication connected load control centre, or through a conventional load controller with communication connected load control centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205577619U CN202475018U (en) | 2011-12-28 | 2011-12-28 | Power flexible load control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205577619U CN202475018U (en) | 2011-12-28 | 2011-12-28 | Power flexible load control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202475018U true CN202475018U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205577619U Expired - Lifetime CN202475018U (en) | 2011-12-28 | 2011-12-28 | Power flexible load control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202475018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437653A (en) * | 2011-12-28 | 2012-05-02 | 上海电力实业总公司 | Power flexible load control system and control method thereof |
-
2011
- 2011-12-28 CN CN2011205577619U patent/CN202475018U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437653A (en) * | 2011-12-28 | 2012-05-02 | 上海电力实业总公司 | Power flexible load control system and control method thereof |
| CN102437653B (en) * | 2011-12-28 | 2015-03-25 | 国网上海市电力公司 | Power flexible load control system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID SHANGHAI ELECTRIC POWER COMPANY Free format text: FORMER OWNER: SHANGHAI ELECTRIC POWER INDUSTRY CO., LTD. Effective date: 20140102 Owner name: SHANGHAI ELECTRIC POWER INDUSTRY CO., LTD. SHANGHA Free format text: FORMER OWNER: SHANGHAI SUNRISE POWER AUTOMATION CO., LTD. Effective date: 20140102 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI ELECTRIC POWER INDUSTRY CO., LTD. Free format text: FORMER NAME: SHANGHAI ELECTRIC POWER INDUSTRY CORPORATION |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200001 HUANGPU, SHANGHAI TO: 200000 HUANGPU, SHANGHAI |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 200001 No. 309, Ningbo Road, Shanghai, Huangpu District Patentee after: SHANGHAI ELECTRIC POWER INDUSTRIAL Co.,Ltd. Patentee after: SHANGHAI SUNRISE POWER AUTOMATION Co.,Ltd. Address before: 200001 No. 309, Ningbo Road, Shanghai, Huangpu District Patentee before: SHANGHAI ELECTRIC POWER IND GENERAL Co.,Ltd. Patentee before: SHANGHAI SUNRISE POWER AUTOMATION Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140102 Address after: 200000, No. 310, South Chongqing Road, Shanghai, Huangpu District, No. 15 Patentee after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Patentee after: SHANGHAI ELECTRIC POWER INDUSTRIAL Co.,Ltd. Patentee after: SHANGHAI SUNRISE POWER AUTOMATION Co.,Ltd. Address before: 200001 No. 309, Ningbo Road, Shanghai, Huangpu District Patentee before: SHANGHAI ELECTRIC POWER INDUSTRIAL Co.,Ltd. Patentee before: SHANGHAI SUNRISE POWER AUTOMATION Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |
|
| CX01 | Expiry of patent term |