CN102904258A - Controller system and method - Google Patents
Controller system and method Download PDFInfo
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- CN102904258A CN102904258A CN2012104375341A CN201210437534A CN102904258A CN 102904258 A CN102904258 A CN 102904258A CN 2012104375341 A CN2012104375341 A CN 2012104375341A CN 201210437534 A CN201210437534 A CN 201210437534A CN 102904258 A CN102904258 A CN 102904258A
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E40/30—Reactive power compensation
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Abstract
The invention discloses a controller system and a method. The controller system comprises an acquirer, a processor, a regulator, a controller and a voltage regulator, wherein the acquirer is used for acquiring reactive power data and voltage data in real time, the processor is used for inputting the reactive power data and the voltage data to a pre-established pre-judgment model to obtain a reactive power data prediction value and a voltage data prediction value after a period of time, the regulator is used for regulating limits of reactive power and voltage according to the reactive power data prediction value and the voltage data prediction value to obtain regulated limits of the reactive power and the voltage, the controller is used for sending a control command according to the regulated limits of the reactive power and the voltage, and the voltage regulator is used for regulating a power grid voltage according to the control command. The controller system is used for regulating the limits of the reactive power and the voltage according to the reactive power data prediction value and the voltage data prediction value, triggering the controller to send the control command according to the limits of the reactive power and the voltage, and regulating the power grid voltage according to the control command to ensure that the power grid voltage is within an acceptability limit.
Description
Technical field
The present invention relates to field of power, particularly a kind of controller and method.
Background technology
Automatic reactive Voltage Optimum control system (AVC) reactive power of traditional the whole network and voltage control mode are by the upper lower limit value of reactive power, voltage is set, when reactive power or magnitude of voltage surpass the upper lower limit value of setting, just can send control command, carry out pressure regulation.But this method is because the limit value of setting is the upper lower limit value of fixing, when some period reactive power and the change in voltage of every day very fast, rate of change is very large, the situation appearance of fixed constraints might occur exceeding, therefore, the voltage of electrical network can exceed acceptability limit.
Summary of the invention
Problem to be solved by this invention is: a kind of controller and method are provided, to solve in the prior art owing to the restriction of setting is fixed, therefore work as certain period reactive power and change in voltage very fast, when rate of change is larger, the situation of fixed constraints might occur exceeding, the voltage that therefore electrical network can occur exceeds the problem of acceptability limit.
The invention provides a kind of controller, described system comprises: collector, processor, adjuster, controller and voltage regulator;
Described collector is used for, Real-time Obtaining reactive power data and voltage data;
Described processor is used for, and in described reactive power data and the default anticipation model of setting up of voltage data input, obtains a certain section reactive power data predicted value and the voltage data predicted value after the time;
Described adjuster is used for, and the restriction of described reactive power and voltage is adjusted the reactive power after being adjusted and the restriction of voltage according to described reactive power predicted value and voltage data predicted value;
Described controller is used for, and sends control command according to the reactive power after the described adjustment and the restriction of voltage;
Described voltage regulator is used for according to described control command line voltage being regulated.
Preferably, described processor also comprises: the Forecast model device;
Described Forecast model device is used for, and to historical reactive power data and voltage data preliminary treatment, obtains pretreated reactive power data and voltage data, sets up according to described pretreated reactive power data and voltage data.
Preferably, described controller also comprises: memory;
Described memory is used for, and reactive power data and the voltage data of Real-time Obtaining are stored.
Preferably, described controller also comprises: display;
Described display is used for, and the reactive power after the reactive power data predicted value after a certain period that obtains and voltage data predicted value and the adjustment and the restriction of voltage are shown.
A kind of control method, described method comprises:
Real-time Obtaining reactive power data and voltage data;
In described reactive power data and the default anticipation model of setting up of voltage data input, obtain a certain section reactive power data predicted value and the voltage data predicted value after the time;
The limit value of described reactive power and voltage is adjusted the reactive power after being adjusted and the limit value of voltage according to described reactive power predicted value and voltage data predicted value;
According to the reactive power after the described adjustment and the limit value of voltage, trigger control appliance and send control command;
According to described control command line voltage is regulated.
Preferably, the process of the anticipation model of described default foundation comprises:
To historical reactive power data and voltage data preliminary treatment, obtain pretreated reactive power data and voltage data;
Set up the anticipation model according to described pretreated reactive power data and voltage data.
Preferably, also comprise: reactive power data and the voltage data of Real-time Obtaining are stored.
Preferably, also comprise: the reactive power after the reactive power data predicted value after a certain period that will obtain and voltage data predicted value and the adjustment and the limit value of voltage show.
As can be seen from the above technical solutions, the invention provides a kind of controller, comprise: collector, processor, adjuster, controller and voltage regulator, wherein, described collector is used for Real-time Obtaining reactive power data and voltage data, described processor links to each other with described collector, be used for described reactive power data and the default anticipation model of setting up of voltage data input, obtain a certain section reactive power data predicted value and the voltage data predicted value after the time, described adjuster and described processor are used for according to described reactive power predicted value and voltage data predicted value the restriction of described reactive power and voltage being adjusted, reactive power after being adjusted and the restriction of voltage, described controller links to each other with described adjuster, be used for sending control command according to the reactive power after the described adjustment and the restriction of voltage, described voltage regulator links to each other with described controller, be used for according to described control command line voltage being regulated, described controller is according to predicted value and the predicted value adjusting reactive power of voltage data and the restriction of voltage of reactive power data, restriction trigger control module according to described reactive power and voltage is sent control command, and line voltage is regulated according to described control command, so that line voltage is in acceptability limit.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, the accompanying drawing that the following describes only is some embodiment that put down in writing among the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the embodiment of the invention one disclosed a kind of controller;
Fig. 2 is the structural representation of the embodiment of the invention two disclosed a kind of controllers;
Fig. 3 is the structural representation of the embodiment of the invention three disclosed a kind of controllers;
Fig. 4 is the schematic flow sheet of the embodiment of the invention four disclosed a kind of control methods;
Fig. 5 is the schematic flow sheet of the anticipation model method of the embodiment of the invention five disclosed a kind of default foundation;
Fig. 6 is the schematic flow sheet of the embodiment of the invention six disclosed a kind of control methods.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to protection scope of the present invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention one discloses a kind of controller, and referring to shown in Figure 1, described controller comprises: collector 101, processor 102, adjuster 103, controller 104 and voltage regulator 105;
Described collector 101 is used for Real-time Obtaining reactive power data and voltage data;
Described processor 102 is used for described reactive power data and the default anticipation model of setting up of voltage data input are obtained a certain section reactive power data predicted value and the voltage data predicted value after the time;
Wherein, described processor can be single-chip microcomputer or PC;
Wherein, described obtain a certain after the period reactive power data predicted value and a certain period in the voltage data predicted value can set flexibly with the technical staff, can be 5 minutes, or 10 minutes etc., thereby realize the flexible use of described controller;
Described adjuster 103 is used for the restriction of described reactive power and voltage being adjusted the reactive power after being adjusted and the restriction of voltage according to described reactive power predicted value and voltage data predicted value;
Described controller 104 is used for sending control command according to the reactive power after the described adjustment and the restriction of voltage;
Described voltage regulator 105 is used for according to described control command line voltage being regulated.
The present embodiment discloses a kind of controller, comprise: collector, processor, adjuster, controller and voltage regulator, wherein, described collector is used for Real-time Obtaining reactive power data and voltage data, described processor links to each other with described collector, be used for described reactive power data and the default anticipation model of setting up of voltage data input, obtain a certain section reactive power data predicted value and the voltage data predicted value after the time, described adjuster and described processor are used for according to described reactive power predicted value and voltage data predicted value the restriction of described reactive power and voltage being adjusted, reactive power after being adjusted and the restriction of voltage, described controller links to each other with described adjuster, be used for sending control command according to the reactive power after the described adjustment and the restriction of voltage, described voltage regulator links to each other with described controller, be used for according to described control command line voltage being regulated, described controller is according to predicted value and the predicted value adjusting reactive power of voltage data and the restriction of voltage of reactive power data, restriction trigger control module according to described reactive power and voltage is sent control command, and line voltage is regulated according to described control command, so that line voltage is in acceptability limit.
The embodiment of the invention two discloses a kind of controller, and referring to shown in Figure 2, described processor 102 also comprises: Forecast model device 201;
Described Forecast model device 201 is used for historical reactive power data and voltage data preliminary treatment, obtains pretreated reactive power data and voltage data, sets up according to described pretreated reactive power data and voltage data.
The present embodiment discloses a kind of controller, described processor has also comprised the Forecast model device, described Forecast model device will last data to be processed, set up forecasting model according to the historical data after processing, described Forecast model device can be realized the reactive power data of Real-time Collection and voltage data are carried out anticipation, obtain the variation tendency of reactive power and voltage, and then regulate the limit value of described reactive power and voltage, send the pressure regulation instruction according to described limit value to voltage adjusting device, according to described pressure regulation instruction line voltage is regulated.
The embodiment of the invention three discloses a kind of controller, and referring to shown in Figure 3, described controller also comprises: memory 106 and display 107;
Described memory 106 is used for, and reactive power data and the voltage data of Real-time Obtaining are stored.
Described display 107 is used for, and reactive power data predicted value and voltage data predicted value after a certain period that obtains are shown.
A kind of controller is disclosed in the present embodiment, described controller has also comprised memory and display, described memory stores reactive power data and the voltage data of Real-time Obtaining, made things convenient in the future the inquiry to historical data, described display be used for to show reactive power data predicted value and the voltage data predicted value after a certain period that obtains, and can obtain intuitively the restriction of this moment.
The embodiment of the invention four discloses a kind of control method, and referring to shown in Figure 4, described method step comprises:
Step S101: Real-time Obtaining reactive power data and voltage data;
Step S102: in described reactive power data and the default anticipation model of setting up of voltage data input, obtain a certain section reactive power data predicted value and the voltage data predicted value after the time;
Wherein, described obtain a certain after the period reactive power data predicted value and a certain period in the voltage data predicted value can set flexibly with the technical staff, can be 5 minutes, or 10 minutes etc., thereby realize the flexible use of described controller;
Step S103: the limit value of described reactive power and voltage is adjusted the reactive power after being adjusted and the limit value of voltage according to described reactive power predicted value and voltage data predicted value;
Step S104: according to the reactive power after the described adjustment and the limit value of voltage, trigger control appliance and send control command;
Step S105: line voltage is regulated according to described control command.
The present embodiment discloses a kind of control method, described method comprises: Real-time Obtaining reactive power data and voltage data, in described reactive power data and the default forecasting model of voltage data input, obtain a certain section reactive power data predicted value and the voltage data predicted value after the time, according to described reactive power predicted value and voltage data predicted value described reactive power and voltage limit value are adjusted, reactive power after being adjusted and the restriction of voltage, restriction according to described reactive power and voltage, line voltage is regulated, described method is according to predicted value and the predicted value adjusting reactive power of voltage data and the restriction of voltage of reactive power data, restriction triggering control appliance according to described reactive power and voltage sends control command, and line voltage is regulated according to described control command, so that line voltage is in acceptability limit.
The embodiment of the invention five discloses a kind of method of control, and referring to shown in Figure 5, the process of the anticipation model of described default foundation comprises:
Step S201: to historical reactive power data and voltage data preliminary treatment, obtain pretreated reactive power data and voltage data;
Step S202: set up the anticipation model according to described pretreated reactive power data and voltage data.
The present embodiment discloses a kind of control method, described method discloses a kind of process of setting up default anticipation model, to historical reactive power data and voltage data preliminary treatment, obtain pretreated reactive power data and voltage data, set up the anticipation model according to described pretreated reactive power data and voltage data, the foundation of described anticipation model can realize the reactive power data of Real-time Collection and voltage data are carried out anticipation, obtain the variation tendency of reactive power and voltage, and then regulate the limit value of described reactive power and voltage, send the pressure regulation instruction according to described limit value to voltage adjusting device, according to described pressure regulation instruction line voltage is regulated, improved the reliability of described control method.
The embodiment of the invention six discloses a kind of control method, and referring to shown in Figure 6, described method step comprises:
Step S301: Real-time Obtaining reactive power data and voltage data;
Step S302: described reactive power data and voltage data are stored;
Step S303: in described reactive power data and the default anticipation model of setting up of voltage data input, obtain a certain section reactive power data predicted value and the voltage data predicted value after the time;
Step S304: described reactive power data predicted value and voltage data predicted value are shown;
Step S305: the limit value of described reactive power and voltage is adjusted the reactive power after being adjusted and the limit value of voltage according to described reactive power predicted value and voltage data predicted value;
Step S306: according to the reactive power after the described adjustment and the limit value of voltage, trigger control appliance and send control command;
Step S307: line voltage is regulated according to described control command.
The present embodiment discloses a kind of control method, described method is on the basis of embodiment four, increased reactive power data and the voltage data of Real-time Obtaining have been stored, can make things convenient for like this and historical data be inquired about in the future, also increased described reactive power data predicted value and voltage data predicted value have been shown, can obtain intuitively the limit value of this moment, the convenient observation obtains.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the disclosed method of embodiment, so description is fairly simple, relevant part partly illustrates referring to method and gets final product.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment is apparent to those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, in other embodiments realization.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the wide region consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a controller is characterized in that, comprising: collector, processor, adjuster, controller and voltage regulator;
Described collector is used for, Real-time Obtaining reactive power data and voltage data;
Described processor is used for, and in described reactive power data and the default anticipation model of setting up of voltage data input, obtains a certain section reactive power data predicted value and the voltage data predicted value after the time;
Described adjuster is used for, and the restriction of described reactive power and voltage is adjusted the reactive power after being adjusted and the restriction of voltage according to described reactive power predicted value and voltage data predicted value;
Described controller is used for, and sends control command according to the reactive power after the described adjustment and the restriction of voltage;
Described voltage regulator is used for according to described control command line voltage being regulated.
2. system according to claim 3 is characterized in that, described processor also comprises: the Forecast model device;
Described Forecast model device is used for, and to historical reactive power data and voltage data preliminary treatment, obtains pretreated reactive power data and voltage data, sets up according to described pretreated reactive power data and voltage data.
3. system according to claim 1 is characterized in that, described controller also comprises: memory;
Described memory is used for, and reactive power data and the voltage data of Real-time Obtaining are stored.
4. system according to claim 1 is characterized in that, described controller also comprises: display;
Described display is used for, and reactive power data predicted value and voltage data predicted value after a certain period that obtains are shown.
5. a control method is characterized in that, described method comprises:
Real-time Obtaining reactive power data and voltage data;
In described reactive power data and the default anticipation model of setting up of voltage data input, obtain a certain section reactive power data predicted value and the voltage data predicted value after the time;
The limit value of described reactive power and voltage is adjusted the reactive power after being adjusted and the limit value of voltage according to described reactive power predicted value and voltage data predicted value;
According to the reactive power after the described adjustment and the limit value of voltage, trigger control appliance and send control command;
According to described control command line voltage is regulated.
6. method according to claim 5 is characterized in that, the process of the anticipation model of described default foundation comprises:
To historical reactive power data and voltage data preliminary treatment, obtain pretreated reactive power data and voltage data;
Set up the anticipation model according to described pretreated reactive power data and voltage data.
7. method according to claim 5 is characterized in that, also comprises: reactive power data and the voltage data of Real-time Obtaining are stored.
8. method according to claim 5 is characterized in that, also comprises: reactive power data predicted value and voltage data predicted value after a certain period that will obtain show.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454928A (en) * | 2013-09-12 | 2013-12-18 | 国家电网公司 | Reactive voltage control simulation system and method based on power grid regulation and control integrated mode |
| CN103901778A (en) * | 2014-03-18 | 2014-07-02 | 国网四川省电力公司宜宾供电公司 | On-line simulation method for power grid reactive voltage control system |
| CN112810227A (en) * | 2021-03-04 | 2021-05-18 | 济宁科力光电产业有限责任公司 | Novel servo press control method |
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| CN102255320A (en) * | 2011-07-15 | 2011-11-23 | 广东电网公司电力科学研究院 | Voltage reactive real-time control system of regional power grid and enclosed loop control method thereof |
| CN102593840A (en) * | 2012-02-23 | 2012-07-18 | 中国电力科学研究院 | Voltage-reactive power control method for regional power grid |
| CN202888837U (en) * | 2012-11-05 | 2013-04-17 | 温州电力局 | Controller |
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| JP2006081285A (en) * | 2004-09-09 | 2006-03-23 | Chugoku Electric Power Co Inc:The | Control method for static reactive power compensator |
| CN102255320A (en) * | 2011-07-15 | 2011-11-23 | 广东电网公司电力科学研究院 | Voltage reactive real-time control system of regional power grid and enclosed loop control method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103454928A (en) * | 2013-09-12 | 2013-12-18 | 国家电网公司 | Reactive voltage control simulation system and method based on power grid regulation and control integrated mode |
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| CN103901778A (en) * | 2014-03-18 | 2014-07-02 | 国网四川省电力公司宜宾供电公司 | On-line simulation method for power grid reactive voltage control system |
| CN112810227A (en) * | 2021-03-04 | 2021-05-18 | 济宁科力光电产业有限责任公司 | Novel servo press control method |
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