CN201946977U - Novel arc-extinction complete equipment with magnetic flux compensation function - Google Patents
Novel arc-extinction complete equipment with magnetic flux compensation function Download PDFInfo
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- CN201946977U CN201946977U CN201020651594XU CN201020651594U CN201946977U CN 201946977 U CN201946977 U CN 201946977U CN 201020651594X U CN201020651594X U CN 201020651594XU CN 201020651594 U CN201020651594 U CN 201020651594U CN 201946977 U CN201946977 U CN 201946977U
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- arc
- coil
- extinction
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Abstract
The utility model discloses novel arc-extinction complete equipment with a magnetic flux compensation function, which comprises a first arc-extinction coil and a second arc-extinction coil. One input end of the primary coil of the first arc-extinction coil is connected with one end of a primary line single phase through a first switch, the other input end of the primary coil of the first arc-extinction coil is connected with the input end of the primary coil of the second arc-extinction coil and connected with one end of the primary line single phase through a second switch, the other input end of the primary coil of the second arc-extinction coil is connected with the other end of the primary line single phase, the output end of the secondary coil of the first arc-extinction coil is connected with a first control winding through a third switch, and the output end of the secondary coil of the second arc-extinction coil is connected with a second control winding through a fourth switch. The novel complete equipment can greatly save the cost and greatly reduce the use of an IGBT (Insulated-Gate Bipolar Transistor). High-capacity arc extinction can be realized through increasing gears at one time. The novel arc-extinction complete equipment with the magnetic flux compensation function is applied to the electric power field.
Description
Technical field
The utility model relates to a kind of extinguishing arc complete set of equipments, particularly a kind of novel flux compensation extinguishing arc complete set of equipments.
Background technology
Present all capacity of flux compensation extinguishing arc equipment all pass through the secondary inversion and produce, when power system capacity is bigger, need more inversion circuit to satisfy the demands, but increase along with arc suppression coil secondary inversion circuit number, control on output phase and the output consistency just seems particularly important, difficulty increases, and can cause The whole control device operation stability to descend.
Prior art can only be controlled 6 tunnel inversions output at most, and the arc suppression coil capacity limit is about 400KVA.
There is following defective in prior art: 1, rely on inversion circuit to export fully and reach design capacity, capacity is restricted; 2, inversion circuit is more, and the output consistency is poor, and control is complicated; 3, the IGBT price is higher, and multiloop design causes cost higher.
The utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model provides a kind of simple in structure, novel flux compensation extinguishing arc complete set of equipments that cost performance is high.
The technical scheme that its technical problem that solves the utility model adopts is:
Novel flux compensation extinguishing arc complete set of equipments, comprise first arc suppression coil and second arc suppression coil, one input of the primary winding of described first arc suppression coil is connected with the single-phase end of primary line by first switch, another input of the primary winding of described first arc suppression coil is connected with an input of the primary winding of second arc suppression coil and is connected by the single-phase end of second switch and primary line, another input of the primary winding of described second arc suppression coil is connected with the single-phase other end of primary line, the output of the secondary coil of described first arc suppression coil is connected with the first control winding by the 3rd switch, and the output of the secondary coil of described second arc suppression coil is connected with the second control winding by the 4th switch.
Be further used as preferred embodiment, the described first control winding is connected by four IGBT bridge-types.
Be further used as preferred embodiment, the described second control winding is connected by four IGBT bridge-types.
The beneficial effects of the utility model are: the utility model can be saved cost in a large number, has reduced the use of IGBT in a large number, and cost savings are more than 5000 yuan.By once increasing gear, can realize big capacity extinguishing arc.Inversion circuit output control is more flexible, can forward or traceback primary current, and the arc suppression coil resistance value can bidirectional modulation.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
With reference to Fig. 1, novel flux compensation extinguishing arc complete set of equipments, comprise the first arc suppression coil SW1 and the second arc suppression coil SW2, one input of the primary winding of the described first arc suppression coil SW1 is connected with the single-phase end A of primary line by first switch S 1, another input of the primary winding of the described first arc suppression coil SW1 is connected with an input of the primary winding of the second arc suppression coil SW2 and is connected with the single-phase end A of primary line by second switch S2, another input of the primary winding of the described second arc suppression coil SW2 is connected with the single-phase other end X of primary line, the output of the secondary coil of the described first arc suppression coil SW1 is connected with the first control winding 1 by the 3rd K switch 1, and the output of the secondary coil of the described second arc suppression coil SW2 is connected with the second control winding 2 by the 4th K switch 2.
Be further used as preferred embodiment, the described first control winding 1 is connected by four IGBT bridge-types.
Be further used as preferred embodiment, the described second control winding 2 is connected by four IGBT bridge-types.
This device once increases by 2 adjustable gears (S1 and S2) at arc suppression coil, and most extinguishing arc capacity is provided, and all the other capacity are by 2 inversion circuit outputs.And can realize that by the output of regulating the secondary inversion circuit forward of extinguishing arc resistance value is regulated and oppositely adjusting.
More than be that preferable enforcement of the present utility model is specified, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite of the utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (3)
1. novel flux compensation extinguishing arc complete set of equipments, it is characterized in that: comprise first arc suppression coil (SW1) and second arc suppression coil (SW2), one input of the primary winding of described first arc suppression coil (SW1) is connected with the single-phase end of primary line (A) by first switch (S1), another input of the primary winding of described first arc suppression coil (SW1) is connected with an input of the primary winding of second arc suppression coil (SW2) and is connected with the single-phase end of primary line (A) by second switch (S2), another input of the primary winding of described second arc suppression coil (SW2) is connected with the single-phase other end of primary line (X), the output of the secondary coil of described first arc suppression coil (SW1) is connected with the first control winding (1) by the 3rd switch (K1), and the output of the secondary coil of described second arc suppression coil (SW2) is connected with the second control winding (2) by the 4th switch (K2).
2. novel flux compensation extinguishing arc complete set of equipments according to claim 1 is characterized in that: the described first control winding (1) is connected by four IGBT bridge-types.
3. novel flux compensation extinguishing arc complete set of equipments according to claim 1 is characterized in that: the described second control winding (2) is connected by four IGBT bridge-types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020651594XU CN201946977U (en) | 2010-12-09 | 2010-12-09 | Novel arc-extinction complete equipment with magnetic flux compensation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020651594XU CN201946977U (en) | 2010-12-09 | 2010-12-09 | Novel arc-extinction complete equipment with magnetic flux compensation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201946977U true CN201946977U (en) | 2011-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020651594XU Expired - Fee Related CN201946977U (en) | 2010-12-09 | 2010-12-09 | Novel arc-extinction complete equipment with magnetic flux compensation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201946977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638032A (en) * | 2012-04-10 | 2012-08-15 | 上海交通大学 | Arc suppression coil device on basis of single-phase matrix converter |
-
2010
- 2010-12-09 CN CN201020651594XU patent/CN201946977U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638032A (en) * | 2012-04-10 | 2012-08-15 | 上海交通大学 | Arc suppression coil device on basis of single-phase matrix converter |
| CN102638032B (en) * | 2012-04-10 | 2015-01-28 | 上海交通大学 | Arc suppression coil device on basis of single-phase matrix converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG ZHONGYU TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZHONGYU SCIENCE + TECHNOLOGY CO., LTD., GUANGDONG |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 511495 Guangdong city of Guangzhou province Panyu District zhongcunzhen Pingshan Village (office building No. 2) Patentee after: GUANGDONG ZHONGYU TECHNOLOGY CO., LTD. Address before: 511495 Guangdong city of Guangzhou province Panyu District zhongcunzhen Pingshan Village (office building No. 2) Patentee before: Zhongyu Science & Technology Co., Ltd., Guangdong |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20171209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |