CN203871858U - Stationary synchronization compensation device - Google Patents
Stationary synchronization compensation device Download PDFInfo
- Publication number
- CN203871858U CN203871858U CN201420127448.5U CN201420127448U CN203871858U CN 203871858 U CN203871858 U CN 203871858U CN 201420127448 U CN201420127448 U CN 201420127448U CN 203871858 U CN203871858 U CN 203871858U
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- China
- Prior art keywords
- circuit
- sample circuit
- output
- compensation device
- control circuit
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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
- Y02E40/10—Flexible AC transmission systems [FACTS]
-
- 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
- Y02E40/40—Arrangements for reducing harmonics
Abstract
The utility model discloses a stationary synchronization compensation device; in the prior art, if a power system is severely damaged, a conventional reactive power compensator and a normal filter cannot effectively solve dynamic electric energy quality problem, and the stationary synchronization compensation device can solve the problem; the stationary synchronization compensation device comprises the following structures: a control circuit; a DC voltage sampling circuit, an output current sampling circuit and a load current sampling circuit with output ends respectively connected with the control circuit; a man-machine interface circuit and a trigger circuit with input ends respectively connected with the control circuit; a current transformer with an output end connected with the DC voltage sampling circuit and an input end connected with the trigger circuit. The current transformer and the output current sampling circuit are respectively connected with a power grid; the load current sampling circuit is connected with loads. By employing the scheme, the stationary synchronization compensation device is high in cost performance, can realize effective compensation without affecting the power system in a bad way, and has very high practical value and promotion value.
Description
Technical field
The utility model relates to a kind of compensation arrangement, specifically, relates to a kind of static synchronous compensating device.
Background technology
Traditional reactive power compensation technology, as synchronous compensator, capacitor etc., is subject to the restriction of its principle and implementation, can not provide practicality, efficient solution to quick dynamic passive compensation.Although the static compensation devices such as SVC can be realized continuously compensation fast, but it still adopts electric capacity/reactance to provide idle in essence, thereby compensation characteristic can be subject to the restriction of system condition, and the offset current harmonic content of its generation is higher, even must be equipped with filter.
Filter effect and the system operational parameters of traditional passive filter are closely related, be subject to the impact of system harmonics characteristic (impedance/capacity of short circuit) variation and system voltage, the scope of application of its harmonic spectrum is little, the ability that adapts to load characteristic is poor, and be subject to temperature drift, network harmonic pollutes, the impact of self component ageing, overload capacity is poor, under specific circumstances also may with system generation resonance, thereby, lack in actual applications a kind of cost performance higher, function is suitable for and can cause distribution system the compensation arrangement of adverse effect, can not practical requirement.
Utility model content
The purpose of this utility model is to provide a kind of static synchronous compensating device, after mainly solving the power distribution system quality of electric power existing in prior art and being had a strong impact on, traditional reactive power compensator and conventional filter can not effectively solve the problem of dynamic power quality.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Static synchronous compensating device, comprise control circuit, direct voltage sample circuit, output current sample circuit and load current sample circuit that output is connected with control circuit respectively, man-machine interface circuit and circuits for triggering that input is connected with control circuit respectively, output and the current transformer that direct voltage sample circuit is connected, input is connected with circuits for triggering, described current transformer is all connected with electrical network with output current sample circuit, and described load current sample circuit is connected with load.
Further, described direct voltage sample circuit, output current sample circuit and load current sample circuit are Hall element.
As preferably, described current transformer adopts IGBT current transformer.
Specifically, described control circuit, direct voltage sample circuit, output current sample circuit, load current sample circuit, circuits for triggering and current transformer are all integrated and be fixedly installed in a cabinet, and described man-machine interface circuit is installed on cabinet.
Compared with prior art, the utlity model has following beneficial effect:
(1) in the utility model, carry out effective monitoring and feedback by electric current, voltage etc. in load, electrical network, can effectively improve safety and stability and the economic operation level of supply power voltage quality, raising distribution network, can also reduce power loss and energy loss simultaneously, solve the dynamic power quality problem that traditional reactive power compensation and conventional filter can not effectively solve, represented the developing direction of reactive power compensation, harmonic wave control, quality of power supply control.
(2) the utility model has to the object of compensation the response being exceedingly fast, variation that can Tracking Frequency of Power Grids, the impact that compensation performance is not changed by mains frequency, can set flexibly different control modes according to different field requirement simultaneously, and then reach different compensation effects, applying flexible, the scope of application is wider.
(3) the utility model is simple in structure, enforcement is convenient, cost performance is higher, and realistic demand has substantive distinguishing features and progress, is applicable to large-scale promotion application.
Brief description of the drawings
Fig. 1 is system block diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and execution mode of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figure 1, the utility model discloses a kind of static synchronous compensating device, comprise cabinet, be installed on control circuit, output current sample circuit, load current sample circuit, direct voltage sample circuit, circuits for triggering and current transformer in cabinet, be installed on the man-machine interface circuit on cabinet.
In actual applications, can, according to different capacity requirement, cabinet be arranged flexibly, then each circuit is arranged in cabinet, assemble static synchronous compensating device.
Wherein, control circuit connects output current sample circuit, load current sample circuit, direct voltage sample circuit, circuits for triggering and man-machine interface circuit, the main signal of being responsible for coming according to output current sample circuit, load current sample circuit, the collection of direct voltage sample circuit sends offset current command signal, and then control triggering electric circuit trigger converter produces offset current, offset the harmonic wave, the idle and unbalanced component that in load current, need compensation, finally obtain the source current of expecting, realize compensate function;
The output of output current sample circuit is connected with the control end of control circuit, and end of incoming cables of input and electrical network is connected, and the main current data of being responsible for sampling electrical network inlet wire sends control circuit to; The output of load current sample circuit is connected with the control end of control circuit, and input is connected with load end, and the main current data of being responsible for sampling load end sends control circuit to; The output of direct voltage sample circuit is connected with control circuit, and input is connected with current transformer, and the main direct voltage data of being responsible on sampling current transformer send control circuit to;
Current transformer one end is connected with circuits for triggering, inlet wire of the other end and electrical network is connected, and the control of mainly accepting circuits for triggering produces offset current, offsets the harmonic wave, the idle and unbalanced component that in load current, need compensation, finally obtain the source current of expecting, realize compensate function;
Man-machine interface circuit is connected with control circuit, can expand access man-machine interaction device, and the running status, the every data that realize whole device show, arrange.
As preferably, current transformer adopts has the controllability of height and the IGBT current transformer of fast-response.
In the utility model, each device circuitry is prior art, does not just more speak more bright at this.
According to above-described embodiment, just can realize well the utility model.
Claims (4)
1. static synchronous compensating device, it is characterized in that, comprise control circuit, direct voltage sample circuit, output current sample circuit and load current sample circuit that output is connected with control circuit respectively, man-machine interface circuit and circuits for triggering that input is connected with control circuit respectively, output and the current transformer that direct voltage sample circuit is connected, input is connected with circuits for triggering, described current transformer is all connected with electrical network with output current sample circuit, and described load current sample circuit is connected with load.
2. static synchronous compensating device according to claim 1, is characterized in that, described direct voltage sample circuit, output current sample circuit and load current sample circuit are Hall element.
3. static synchronous compensating device according to claim 2, is characterized in that, described current transformer adopts IGBT current transformer.
4. static synchronous compensating device according to claim 3, it is characterized in that, described control circuit, direct voltage sample circuit, output current sample circuit, load current sample circuit, circuits for triggering and current transformer are all integrated and be fixedly installed in a cabinet, and described man-machine interface circuit is installed on cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127448.5U CN203871858U (en) | 2014-03-20 | 2014-03-20 | Stationary synchronization compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127448.5U CN203871858U (en) | 2014-03-20 | 2014-03-20 | Stationary synchronization compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203871858U true CN203871858U (en) | 2014-10-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420127448.5U Expired - Fee Related CN203871858U (en) | 2014-03-20 | 2014-03-20 | Stationary synchronization compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203871858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825289A (en) * | 2014-03-20 | 2014-05-28 | 成都星宇节能技术股份有限公司 | Static synchronous compensation device and realization method thereof |
-
2014
- 2014-03-20 CN CN201420127448.5U patent/CN203871858U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825289A (en) * | 2014-03-20 | 2014-05-28 | 成都星宇节能技术股份有限公司 | Static synchronous compensation device and realization method thereof |
| CN103825289B (en) * | 2014-03-20 | 2016-01-27 | 成都星宇节能技术股份有限公司 | static synchronous compensating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610000 International Exhibition Trade Center, 2, Pioneer Road, hi tech Zone, Sichuan, Chengdu, 7F Patentee after: Chengdu Xingyu Rongke Power Electronics Co.,Ltd. Address before: 610000 International Exhibition Trade Center, 2, Pioneer Road, hi tech Zone, Sichuan, Chengdu, 7F Patentee before: CHENGDU XINGYU ENERGY-SAVING TECHNOLOGY Co.,Ltd. |
|
| 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: 20141008 |