CN202797979U - Automatic reactive compensation system based on power grid dispatching - Google Patents
Automatic reactive compensation system based on power grid dispatching Download PDFInfo
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- CN202797979U CN202797979U CN 201220169388 CN201220169388U CN202797979U CN 202797979 U CN202797979 U CN 202797979U CN 201220169388 CN201220169388 CN 201220169388 CN 201220169388 U CN201220169388 U CN 201220169388U CN 202797979 U CN202797979 U CN 202797979U
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- 239000003990 capacitor Substances 0.000 claims abstract description 14
- 206010003830 Automatism Diseases 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000003028 elevating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 208000003443 Unconsciousness Diseases 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The utility model discloses an automatic reactive compensation system based on power grid dispatching. The system comprises transformer substation monitoring subsystems, a main transformer, a capacitor, an automatic voltage control subsystem and a power grid dispatching automation subsystem, wherein the transformer substation monitoring subsystems are used to acquire real-time data of power grid nodes; the main transformer and the capacitor are connected with the power grid nodes; automatic voltage control subsystem is used to carry out gear elevating on the main transformer and carry out switching operation on the capacitor according to a control instruction and is connected with the transformer substation monitoring subsystems; the power grid dispatching automation subsystem is used to generate the control instruction according to the real-time data and is connected with the automatic voltage control subsystem. By using the system of the utility model, electric-network reactive compensation can be automatically and timely performed so that a problem that manual operation of a dispatcher is not timely is solved.
Description
Technical field
The utility model belongs to electrical technology field, relates to a kind of auto-reactive compensation system based on dispatching of power netwoks.
Background technology
Alternating current is in by pure resistance, and electric energy has all changed into heat energy, and in by pure capacitive or pure inductive load, does not do work, and that is to say not consume electric energy, is reactive power.Certainly actual loading, can not be pure capacitive load or pure inductive load, it generally all is the Combination load, electric current is by in them like this, just having the part electric energy not do work, is exactly reactive power, and the power factor of this moment is less than 1, in order to improve the utilance of electric energy, will carry out reactive power compensation.Reactive power compensation is called for short reactive power compensation, works to improve the power factor of electrical network in the electronic power system, can reduce the loss of supply transformer and conveying circuit, improves power supplying efficiency, improves the power supply environment.So reactive power compensation device is in an indispensable very important position in power supply system.
In existing electric power system, in the situation of idle shortage, usually adopt the dispatcher manually to throw the tap that moves back capacitor and gear and come compensating reactive power.But, adopt such method, often can run into the supervisory control of substation personnel because monitoring transformer station quantity is more causes finding untimely and will process the problems such as untimely by methods such as remote controls.
The utility model content
The purpose of the utility model embodiment provides a kind of auto-reactive compensation system based on dispatching of power netwoks, can automatically carry out in time electric network reactive compensation, has solved the manually operated untimely problem of dispatcher.
To achieve these goals, the utility model provides a kind of auto-reactive compensation system based on dispatching of power netwoks, comprising:
The supervisory control of substation subsystem that is used for the real time data of acquisition grid nodes, main transformer and the capacitor of connection grid nodes;
Be used for according to control command described main transformer being carried out the gear lifting and described capacitor being thrown the automatism voltage control subsystem that moves back operation, connect described supervisory control of substation subsystem;
Be used for generating according to described real time data the power network schedule automation subsystem of described control command, connect described automatism voltage control subsystem.
Preferably, in the above-mentioned auto-reactive compensation system, described automatism voltage control subsystem comprises:
Be used for the constraints module that setting or acquisition node rate of qualified voltage and critical point power factor are used as constraints;
Be used for carrying out on-line analysis and calculating and generating the computing module of described control command according to described constraints and described real time data, connect described constraints module.
Preferably, in the above-mentioned auto-reactive compensation system, described supervisory control of substation subsystem is a plurality of, the corresponding grid nodes of each described supervisory control of substation subsystem.
There is following technique effect at least in the utility model embodiment:
The utility model is by automatic switching, the lifting of capacitor and gear, electrical network is carried out Reactive Compensation, improve power grid security, the operation of stabilizing the economy, the massive blackout risk that reduces the voltage collapse accident and cause, carry high-tension quality of voltage, improve power transmission efficiency, reduce to greatest extent line loss.
Description of drawings
Fig. 1 is the structure chart of the auto-reactive compensation system of the utility model embodiment.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment is clearer, below in conjunction with accompanying drawing specific embodiment is described in detail.
Fig. 1 is the structure chart of the utility model embodiment, and as shown in Figure 1, the utility model embodiment provides a kind of auto-reactive compensation system based on dispatching of power netwoks, comprising:
The supervisory control of substation subsystem 110 that is used for the real time data of acquisition grid nodes, main transformer and the capacitor of connection grid nodes;
Be used for according to control command described main transformer being carried out the gear lifting and described capacitor being thrown the automatism voltage control subsystem 120 that moves back operation, connect described supervisory control of substation subsystem 110;
Be used for generating according to described real time data the power network schedule automation subsystem 130 of described control command, connect described automatism voltage control subsystem 120.
Wherein, described automatism voltage control subsystem comprises: be used for the constraints module that setting or acquisition node rate of qualified voltage and critical point power factor are used as constraints; Be used for carrying out on-line analysis and calculating and generating the computing module of described control command according to described constraints and described real time data, connect described constraints module.
Described supervisory control of substation subsystem is a plurality of, the corresponding grid nodes of each described supervisory control of substation subsystem.Described real time data has embodied real time information.
Described control command capacitor is thrown and is moved back and main shift lifting order.
In the utility model, gather each node remote measurement by dispatch automated system, the real time datas such as remote signalling are carried out on-line analysis and calculating, qualified with each node voltage, the critical point power factor is constraints, then automatism voltage control (AVC) subsystem carries out the control of on-Line Voltage idle work optimization, automatically realize main transformer shunting switch adjusting least number of times, capacitor switching is the most reasonable, the generator reactive optimum of exerting oneself, the complex optimum target of the highest and power transmission network loss rate minimum of rate of qualified voltage, final formation control instruction, automatically perform by dispatch automated system, realized the control of voltage and reactive power optimization automated closed-loop.
As from the foregoing, the utility model embodiment has following advantage:
The utility model is by automatic switching, the lifting of capacitor and gear, electrical network is carried out Reactive Compensation, improve power grid security, the operation of stabilizing the economy, the massive blackout risk that reduces the voltage collapse accident and cause, carry high-tension quality of voltage, improve power transmission efficiency, reduce to greatest extent line loss.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (3)
1. the auto-reactive compensation system based on dispatching of power netwoks is characterized in that, comprising:
The supervisory control of substation subsystem that is used for the real time data of acquisition grid nodes, main transformer and the capacitor of connection grid nodes;
Be used for according to control command described main transformer being carried out the gear lifting and described capacitor being thrown the automatism voltage control subsystem that moves back operation, connect described supervisory control of substation subsystem;
Be used for generating according to described real time data the power network schedule automation subsystem of described control command, connect described automatism voltage control subsystem.
2. auto-reactive compensation according to claim 1 system is characterized in that described automatism voltage control subsystem comprises:
Be used for the constraints module that setting or acquisition node rate of qualified voltage and critical point power factor are used as constraints;
Be used for carrying out on-line analysis and calculating and generating the computing module of described control command according to described constraints and described real time data, connect described constraints module.
3. auto-reactive compensation according to claim 1 system is characterized in that described supervisory control of substation subsystem is a plurality of, the corresponding grid nodes of each described supervisory control of substation subsystem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220169388 CN202797979U (en) | 2012-04-18 | 2012-04-18 | Automatic reactive compensation system based on power grid dispatching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220169388 CN202797979U (en) | 2012-04-18 | 2012-04-18 | Automatic reactive compensation system based on power grid dispatching |
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| Publication Number | Publication Date |
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| CN202797979U true CN202797979U (en) | 2013-03-13 |
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| CN 201220169388 Expired - Fee Related CN202797979U (en) | 2012-04-18 | 2012-04-18 | Automatic reactive compensation system based on power grid dispatching |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601219A (en) * | 2019-11-04 | 2019-12-20 | 中能建江苏能源科技有限公司 | Distributed power generation system reactive compensation method based on examination and prediction |
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2012
- 2012-04-18 CN CN 201220169388 patent/CN202797979U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601219A (en) * | 2019-11-04 | 2019-12-20 | 中能建江苏能源科技有限公司 | Distributed power generation system reactive compensation method based on examination and prediction |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20190418 |