CN202103406U - Protection and dynamic reactive compensation control device of reactor - Google Patents
Protection and dynamic reactive compensation control device of reactor Download PDFInfo
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- CN202103406U CN202103406U CN 201120192644 CN201120192644U CN202103406U CN 202103406 U CN202103406 U CN 202103406U CN 201120192644 CN201120192644 CN 201120192644 CN 201120192644 U CN201120192644 U CN 201120192644U CN 202103406 U CN202103406 U CN 202103406U
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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 a protection and dynamic reactive compensation control device of a reactor, which comprises a processing module, an electric quantity acquisition module, a switch state acquisition module and an output control module, wherein the output end of the electric quantity acquisition module and the output end of the switch state acquisition module are connected with the processing module, the processing module comprises a relay protection processing module and a reactive power compensation control module, the output control module comprises a relay protection output loop and a reactive power compensation control loop, and the signal output end of the relay protection processing module and the signal output end of the reactive power compensation control module are connected with an outer execution loop respectively through the relay protection output loop and the reactive power control loop. The utility model has the advantages that the protection function of disposable equipment can be completed, the acquired signal resource is fully utilized, the monitoring and the adjustment of reactive power is realized, the perfect unification and the reasonable arrangement of system protection and monitoring is realized, the number of wiring can be saved, the stable and reliable operation of the system can be ensured, and the cost can be greatly saved.
Description
Technical field
The utility model relates to reactor relaying protection and control technology, is specially a kind of reactor protection and dynamic passive compensation control device.
Background technology
In the electric power system; Lean on electric flux compensation equipments such as reactor, capacitor that reactive power unnecessary in the operation power or disappearance is compensated; To satisfy the stable of electric load balance and electric power system, these primary equipments also will be equipped with protective relaying device simultaneously provides protection to it.In the past; Protection adheres to different devices separately with reactive power adjusting and accomplishes function separately, and each functional unit all has signals collecting loop, processing unit and the signal controlling output unit of oneself, and hardware designs is loaded down with trivial details; Overlapping investment, and be unfavorable for data sharing and the various parameters of overall balance.
Summary of the invention
To the problems referred to above, the utility model provides that a kind of function is concentrated, wiring is simple, resource-sharing, saving cost, the favorably situated reactor protection of function and dynamic passive compensation control device.
The utility model is that the technical scheme that its technical problem of solution is adopted is:
Reactor protection and dynamic passive compensation control device; Comprise processing module, be used for gathering the primary equipment information about power electric quantity acquisition module, be used to gather the on off state acquisition module and the output control module of primary equipment position of the switch information; The output of said electric quantity acquisition module, on off state acquisition module is connected with processing module; Processing module comprises the relaying protection processing module and the reactive power compensation control module of carrying out judgment processing based on information about power and on off state information; Output control module comprises relaying protection output loop and reactive power compensation control loop, and the signal output part of relaying protection processing module and reactive power compensation control module is connected with the outside loop of carrying out through relaying protection output loop and reactive power compensation control loop respectively.
As preferred embodiment, the utility model comprises communication module, and said processing module is connected with host computer through communication module.
As preferred embodiment, the utility model comprises display module, and display module is connected with processing module.
As preferred embodiment, said electric quantity acquisition module comprises ac input end, filter and A/D converter, and ac input end is connected with primary equipment, and ac input end is connected with processing module through behind filter and the A/D converter successively.
The beneficial effect of the utility model is: the utility model utilizes same processing module that relaying protection and reactive power compensation controlled function are combined; Both well accomplish the defencive function of primary equipment, and can make full use of the signal resource that has obtained again, realized the supervision and the adjusting of reactive power; Realize the perfect unity and the reasonable Arrangement of system protection and supervision; Save wiring quantity, guaranteed the reliable and stable operation of system, and can practice thrift cost greatly.
Description of drawings
Further explain below in conjunction with accompanying drawing and embodiment:
Fig. 1 is the block diagram of system of the utility model;
Fig. 2 is the utility model reactive power compensation controlled function flow chart.
Embodiment
With reference to Fig. 1; Reactor protection of the utility model and dynamic passive compensation control device; Comprise processing module 1, be used for gathering the primary equipment information about power electric quantity acquisition module 2, be used to gather the on off state acquisition module 3 and the output control module 4 of primary equipment position of the switch information, wherein the electric weight gathered of electric quantity acquisition module 2 generally comprises voltage, current information etc.Preferably, electric quantity acquisition module 2 comprises ac input end 11, filter 12 and A/D converter 13, and ac input end 11 is connected with primary equipment, and ac input end 11 is connected with processing module 1 with A/D converter 13 backs through filter 12 successively.
The output of electric quantity acquisition module 2, on off state acquisition module 3 is connected with processing module 1; Processing module 1 comprises the relaying protection processing module 5 and reactive power compensation control module 6 of carrying out judgment processing based on information about power and on off state information; Output control module 4 comprises relaying protection output loop 7 and reactive power compensation control loop 8, and the signal output part of relaying protection processing module 5 and reactive power compensation control module 6 is connected with the outside loop of carrying out through relaying protection output loop 7 and reactive power compensation control loop 8 respectively.The utility model focuses on relaying protection processing and reactive power compensation controlled function in the same processing module; And be provided with 8 two output control circuits of relaying protection output loop 7 and reactive power compensation control loop; When electrical parameter in the electric power system, when on off state changes; Relaying protection processing module 5 is moved respectively with reactive power compensation control module 6; Through relaying protection output loop 7 and outside loop action, realization relaying protection and the reactive power compensation function carried out of reactive power compensation control loop 8 controls.
During practical application, the relaying protection function can realize through modes such as longitudinal differential protection, current/voltage protections, and the preferred implementation of reactive power compensation function is as shown in Figure 2.The realization of reactive power compensation comprises that reactive power calculating and analysis and judgement, control signal relatively export, system's reactive power is regulated control, system's reactive power regulated steps such as control, negative feedback control.During concrete the realization, can be divided into 2 or 3 periods the time of every day, and set the contrast fiducial value of each period; The current period reactive power value of electric current and voltage amount computing system that collects with device, and corresponding conversion becomes the standard output of 4-20mA, with fiducial value relatively; According to regulated quantity of comparative result control output, the system voltage electric current after back production is regulated again calculates reactive power and converts current signal to; Compare control output again, back production more again; Form negative feedback, get into stable state until system.
For more perfect monitoring function; The utility model preferably includes communication module 9; Said processing module 1 is connected with host computer through communication module 9, and the data that 1 processing of processing module obtains can be delivered to host computer through communication module 9 and carry out concentrated more monitoring.In addition; For better human-computer interaction function, the utility model preferably includes display module 10, and display module 10 is connected with processing module 1; This display module 10 can be display modes such as liquid crystal, and the user can in time understand the real-time working state of electric power system through this display module.
The execution mode of the utility model is not restricted to the described embodiments, as long as it reaches the technique effect of the utility model with essentially identical means, all should belong to the protection range of the utility model.
Claims (4)
1. reactor protection and dynamic passive compensation control device; It is characterized in that comprising processing module (1), be used for gathering the primary equipment information about power electric quantity acquisition module (2), be used to gather the on off state acquisition module (3) and the output control module (4) of primary equipment position of the switch information; The output of said electric quantity acquisition module (2), on off state acquisition module (3) is connected with processing module (1); Processing module (1) comprises the relaying protection processing module (5) and the reactive power compensation control module (6) of carrying out judgment processing based on information about power and on off state information; Output control module (4) comprises relaying protection output loop (7) and reactive power compensation control loop (8), and the signal output part of relaying protection processing module (5) and reactive power compensation control module (6) is connected with the outside loop of carrying out through relaying protection output loop (7) and reactive power compensation control loop (8) respectively.
2. reactor protection according to claim 1 and dynamic passive compensation control device is characterized in that comprising communication module (9), and said processing module (1) is connected with host computer through communication module (9).
3. reactor protection according to claim 1 and dynamic passive compensation control device is characterized in that comprising display module (10), and display module (10) is connected with processing module (1).
4. reactor protection according to claim 1 and dynamic passive compensation control device; It is characterized in that said electric quantity acquisition module (2) comprises ac input end (11), filter (12) and A/D converter (13); Ac input end (11) is connected with primary equipment, and ac input end (11) is connected with processing module (1) with A/D converter (13) back through filter (12) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120192644 CN202103406U (en) | 2011-06-09 | 2011-06-09 | Protection and dynamic reactive compensation control device of reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120192644 CN202103406U (en) | 2011-06-09 | 2011-06-09 | Protection and dynamic reactive compensation control device of reactor |
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| Publication Number | Publication Date |
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| CN202103406U true CN202103406U (en) | 2012-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201120192644 Expired - Fee Related CN202103406U (en) | 2011-06-09 | 2011-06-09 | Protection and dynamic reactive compensation control device of reactor |
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| CN (1) | CN202103406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410167A (en) * | 2014-12-15 | 2015-03-11 | 中电博瑞技术（北京）有限公司 | Controllable shunt reactor control protection system |
-
2011
- 2011-06-09 CN CN 201120192644 patent/CN202103406U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410167A (en) * | 2014-12-15 | 2015-03-11 | 中电博瑞技术（北京）有限公司 | Controllable shunt reactor control protection system |
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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: ZHUHAI WANLIDA ELECTRICAL AUTOMATION CO., LTD. Free format text: FORMER OWNER: ZHUHAI WANLIDA ELECTRIC CO.,LTD. Effective date: 20141008 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 519085 ZHUHAI, GUANGDONG PROVINCE TO: 519000 ZHUHAI, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20141008 Address after: 519000 Guangdong city of Zhuhai province high tech Zone Technology Innovation Coast technology way Wanlida Relay Protection Technology Park Patentee after: ZHUHAI WANLIDA ELECTRICAL AUTOMATION CO., LTD. Address before: 519085 Guangdong city of Zhuhai province high tech Zone Technology Innovation Coast Technology 1 road Wanlida Electric Co. Ltd. Patentee before: Zhuhai Wanlida Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20170609 |
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| CF01 | Termination of patent right due to non-payment of annual fee |