CN200969513Y - Serial coupling protector for electric energy quality and static reactive compensation combined control apparatus - Google Patents
Serial coupling protector for electric energy quality and static reactive compensation combined control apparatus Download PDFInfo
- Publication number
- CN200969513Y CN200969513Y CNU200620127094XU CN200620127094U CN200969513Y CN 200969513 Y CN200969513 Y CN 200969513Y CN U200620127094X U CNU200620127094X U CN U200620127094XU CN 200620127094 U CN200620127094 U CN 200620127094U CN 200969513 Y CN200969513 Y CN 200969513Y
- Authority
- CN
- China
- Prior art keywords
- power supply
- parallel
- static reactive
- quality
- protector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
-
- 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
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- Control Of Electrical Variables (AREA)
Abstract
The utility model discloses a serial coupled protector used in comprehensive adjusting device of power quality and static var compensation, the utility model is characterized in that a parallel module and another series module that are arranged between power supply and load are provided, a coupling transformer that is connected in parallel with a triac is provided at the access loop of the series module, an AC contactor is connected in parallel with three coupling transformers respectively, a controller the output terminal of which is connected with the AC contactor is respectively connected with a current transformer that is arranged in the triac loop. The utility model has the beneficial effects of simple structure, good performance and high performance-price ratio.
Description
Technical field:
The utility model relates to quality of power supply control and electric reactive compensating technical field; it is a kind of resist technology of being coupled between the quality of power supply and static reactive comprehensive adjustment device serial module structure and electrical network of being used for; suffer damage when making it avoid electrical network abnormal conditions or fault; specifically, be series coupled protector in a kind of quality of power supply and the static reactive comprehensive adjustment device.
Background technology:
The series coupled resist technology is a crucial technology in the quality of power supply and the static reactive comprehensive adjustment device; its effect is to make the serial module structure in the quality of power supply and the static reactive comprehensive adjustment device obtain reliably protecting under electrical network abnormal conditions or failure condition, unlikely damage and cause heavy losses.Shortcomings such as series coupled protection ubiquity complex structure, protective value difference and the cost performance in the existing quality of power supply and the static reactive comprehensive adjustment device is low.
Summary of the invention:
The purpose of this utility model provides series coupled protector in the high quality of power supply of a kind of simple for structure, function admirable and cost performance and the static reactive comprehensive adjustment device.
Technical solution of the present utility model is: series coupled protector in a kind of quality of power supply and the static reactive comprehensive adjustment device; it is characterized in that: a module in parallel and another serial module structure of being loaded between power supply and the load are arranged; in serial module structure access loop, coupling transformer is arranged; one A.C. contactor is in parallel with three coupling transformers respectively; coupling transformer has the bidirectional thyristor parallel connection; one controller joins with bidirectional thyristor current in loop instrument transformer respectively, the output termination A.C. contactor of controller.
Three groups of contacts of the A.C. contactor described in the utility model respectively with the parallel connection of primary windings of three coupling transformers.Three bidirectional thyristors are connected in parallel on the elementary of three coupling transformers respectively.The control utmost point of bidirectional thyristor connects divider resistance, and divider resistance is elementary in parallel with coupling transformer.Three inputs of controller are respectively and seal in bidirectional thyristor current in loop instrument transformer and join.
The beneficial effects of the utility model are: simple for structure, function admirable and cost performance height, help improving the quality of power supply, reduce reactive power consumption and energy savings.
Below in conjunction with drawings and Examples the utility model is described further:
Description of drawings:
Accompanying drawing is a series coupled protector circuit diagram in a kind of quality of power supply of the present utility model and the static reactive comprehensive adjustment device.
Embodiment:
In the accompanying drawing, part is and electrical network joins shown in the thick line the quality of power supply and static reactive comprehensive adjustment device, wherein:
A
1---module in parallel, can adopt TDS-4500 series static reactive and filtering adjuster, or other commercially available prod;
A
2---serial module structure, can adopt TDS-4600 series active power quality adjuster, or other commercially available prod;
TA
1～TA
3---coupling transformer.
Part shown in the fine rule is series coupled resist technology signal in the quality of power supply and the static reactive comprehensive adjustment device in the accompanying drawing, wherein:
KM---A.C. contactor;
V
1～V
3---bidirectional thyristor;
TA
4～TA
6---current transformer;
R
1～R
6---divider resistance;
A
0---controller can adopt TDS-1400 series controller, or other has the commercially available controller of input, output interface and microprocessor.
Accompanying drawing has been described an embodiment of the present utility model, in the present embodiment: a modules A in parallel that is loaded between power supply and the load is arranged
1With another serial module structure A
2, in modules A in parallel
2Insert in the loop coupling transformer TA is arranged
1～TA
3, an A.C. contactor KM respectively with three coupling transformer TA
1～TA
3Parallel connection, coupling transformer TA
1～TA
3Bidirectional thyristor V is arranged
1～V
3Parallel connection, a controller A
0Respectively with bidirectional thyristor V
1～V
3Current in loop instrument transformer TA
4～TA
6Join controller A
0Output termination A.C. contactor KM.Three groups of contacts of described A.C. contactor KM respectively with three coupling transformer TA
1～TA
3Parallel connection of primary windings.Three bidirectional thyristor V
1～V
3Be connected in parallel on three coupling transformer TA respectively
1～TA
3Elementary.Bidirectional thyristor V
1～V
3The control utmost point meet divider resistance R respectively
1, R
2, R
3, R
4, R
5, R
6, divider resistance R
1, R
2, R
3, R
4, R
5, R
6With coupling transformer TA
1～TA
3Elementary parallel connection.Controller A
0Three inputs are respectively and seal in bidirectional thyristor V
1～V
3Current in loop instrument transformer TA
4～TA
6Join.
The course of work of the foregoing description is as follows:
Unusual or when breaking down in network system, coupling transformer TA
1～TA
3The special overcurrent of sending out of elementary generation, its both end voltage is raise, when reaching the protection definite value, by divider resistance R
1, R
2(or R
3, R
4, or R
5, R
6) voltage that produces makes bidirectional thyristor V
1(or V
2, or V
3) conducting, make the coupling transformer TA that flows through
1(or TA
2, or TA
3) elementary electric current moment obtains shunting.While controller A
0Pass through TA
4(or TA
5, or TA
6) know the protection actuate message, export control signal immediately, make A.C. contactor KM adhesive, and keep attracting state, its contact is with coupling transformer TA
1(or TA
2Or TA
3) primary short, be connected to coupling transformer TA thereby make
1～TA
3Serial module structure A in the secondary quality of power supply and the static reacance comprehensive adjustment device
1Be protected.
Claims (5)
1, series coupled protector in a kind of quality of power supply and the static reactive comprehensive adjustment device; it is characterized in that: a module in parallel and another serial module structure of being loaded between power supply and the load are arranged; in serial module structure access loop, coupling transformer is arranged; one A.C. contactor is in parallel with three coupling transformers respectively; coupling transformer has the bidirectional thyristor parallel connection; one controller joins with bidirectional thyristor current in loop instrument transformer respectively, the output termination A.C. contactor of controller.
2, series coupled protector in the quality of power supply according to claim 1 and the static reactive comprehensive adjustment device is characterized in that: three groups of contacts of A.C. contactor respectively with the parallel connection of primary windings of three coupling transformers.
3, series coupled protector in the quality of power supply according to claim 1 and the static reactive comprehensive adjustment device, it is characterized in that: three bidirectional thyristors are connected in parallel on the elementary of three coupling transformers respectively.
4, series coupled protector in the quality of power supply according to claim 1 and the static reactive comprehensive adjustment device, it is characterized in that: the control utmost point of bidirectional thyristor connects divider resistance, and divider resistance is elementary in parallel with coupling transformer.
5, series coupled protector in the quality of power supply according to claim 1 and the static reactive comprehensive adjustment device is characterized in that: three inputs of controller respectively with seal in bidirectional thyristor current in loop instrument transformer and join.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620127094XU CN200969513Y (en) | 2006-10-24 | 2006-10-24 | Serial coupling protector for electric energy quality and static reactive compensation combined control apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620127094XU CN200969513Y (en) | 2006-10-24 | 2006-10-24 | Serial coupling protector for electric energy quality and static reactive compensation combined control apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200969513Y true CN200969513Y (en) | 2007-10-31 |
Family
ID=38969091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200620127094XU Expired - Fee Related CN200969513Y (en) | 2006-10-24 | 2006-10-24 | Serial coupling protector for electric energy quality and static reactive compensation combined control apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200969513Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468653A (en) * | 2010-11-11 | 2012-05-23 | 长春工程学院 | System and method for controlling electric energy quality stability of power distribution network |
| WO2014099875A3 (en) * | 2012-12-21 | 2014-11-06 | GridBridge | Distribution transformer power flow controller |
-
2006
- 2006-10-24 CN CNU200620127094XU patent/CN200969513Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468653A (en) * | 2010-11-11 | 2012-05-23 | 长春工程学院 | System and method for controlling electric energy quality stability of power distribution network |
| WO2014099875A3 (en) * | 2012-12-21 | 2014-11-06 | GridBridge | Distribution transformer power flow controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |