CN103248302A - Quick-response excitation method for controllable reactor - Google Patents
Quick-response excitation method for controllable reactor Download PDFInfo
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- CN103248302A CN103248302A CN2013101891846A CN201310189184A CN103248302A CN 103248302 A CN103248302 A CN 103248302A CN 2013101891846 A CN2013101891846 A CN 2013101891846A CN 201310189184 A CN201310189184 A CN 201310189184A CN 103248302 A CN103248302 A CN 103248302A
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Abstract
The invention relates to a quick-response excitation method for a controllable reactor, belonging to the technical field of power electronic equipment manufacture and control. A device for realizing the quick-response excitation method comprises a working winding L1 (1), a working winding L2 (2), a working winding L3 (3), a working winding L4 (4), a working winding L5 (5), a working winding L6 (6), a system working power supply (7), an excitation circuit resistor Re (8), a three-phase fully-controlled rectifier (9) and a three-phase excitation power supply (10). The quick-response excitation method for the controllable reactor has the advantages that since a working winding serial connection wiring method is adopted, i.e. the working winding L1 (1), the working winding L3 (3), the working winding L4 (4) and the working winding L6 (6) are serially connected in a forward direction to form a closed loop circuit and the working winding L2 (2) and the working winding L5 (5) are serially connected in a reverse direction, by adopting the structural design, electromotive force induced by the working windings on a direct-current side is enabled to be just offset and the response speed is enabled to be quicker.
Description
Technical field
The invention belongs to power electronic equipment manufacturing and control technology field, proposed a kind of method of controlled reactor quick-response excitation.
Background technology
Huge capacitive charge power, the violent trend in ultra-high/extra-high voltage transmission line of alternation current changes and limited insulation margin suppresses to have proposed higher requirement for the idle adjusting of system, overvoltage.Magnetic valve type controllable reactor is with low cost because of it, control is convenient, at aspects such as power system reactive power compensation, inhibition voltage flickers wide application prospect is arranged.
Magnet controlled reactor also has himself limitation, and for self-excitation type controlled reactor and separated exciting controlled reactor, slow this problem of response speed is to limit the main cause of its application always.Be applied in when suppressing voltage flicker and idle adjusting, the response time can make control system stability reduce slowly, the concussion of increase system.Be restricted when being applied in the generation of electricity by new energy field that line voltage and power stability are had relatively high expectations by it, how to improve MCR dynamic compensation characteristic is the focus of research always.
The researcher increases its response speed by external circuit usually at present, and these methods have: increase the control voltage method.This kind way is fit to the controlled reactor with low pressure operation, and for the controlled reactor in the high-pressure system, the control overtension is also more and more higher for the requirement of control circuit, and cost can improve greatly under the manufacture level at present, is not easy to promote; Adopt the pre-magnetic bias of direct current to improve the response speed way.The principle of this kind way is to utilize the D.C. magnetic biasing that applies the working volts alternating current generation suddenly to improve response speed, but this kind way is fit to the response speed of arc suppression coil to be improved, also need improve for the application in the controlled reactor, because in high-pressure system, it is obviously actual inadequately that controlled reactor is applied working volts alternating current suddenly; Increase tap and recently improve response speed.This kind way is for utilizing in the low-pressure system, and still in high-pressure system, primary side can produce very big induced voltage and electric current to secondary side, and this influence to control loop is very big, so be unfavorable for promoting; Adopt DC chopped-wave quick-response excitation.This kind way is by increasing the pwm pulse of IGBT switch conduction when increasing capacity, improving the controlled reactor response speed.But this means can only increase the controlled reactor capacity fast, and reactor is logged off fast.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the invention provides a kind of method of controlled reactor quick-response excitation, this method can solve all deficiencies of present quick-response excitation, accelerates the controlled reactor response speed greatly, widens the controlled reactor application.
As Fig. 1, the present invention includes: L
1Work winding 1, L
2Control winding 2, L
3Work winding 3, L
4Work winding 4, L
5Control winding 5, L
6Work winding 6, system works power supply 7, field circuit resistance
RE 8, three-phase fully-controlled rectifier 9, three phase excitation power supply 10.
A kind of advantage of method of controlled reactor quick-response excitation is: adopted the work windings in series mode of connection, i.e. L
1Work winding 1, L
3Work winding 3, L
4Work winding 4, L
6The series connection of work winding 6 forwards forms closed-loop path, L
2Control winding 2, L
5Control winding 5 differential concatenations, this kind structural design make the work winding just offset at the electromotive force of DC side induction, thereby make response speed faster.And utilize half control device SCR in the three-phase fully-controlled rectifier 9, can obtain bigger exciting current like this, make that the controlled reactor capacity is bigger.
Description of drawings
Fig. 1 is series circuit topology of the present invention;
Fig. 2 is work windings in series structural design equivalent electric circuit;
Fig. 3 is work winding parallel circuits topology;
Fig. 4 is work winding equivalent electric circuit in parallel;
Fig. 5 is parallel circuits excitation degaussing response wave shape;
Fig. 6 is series circuit excitation degaussing response wave shape.
Embodiment
Fig. 1 is a kind of embodiment of method of controlled reactor quick-response excitation, and the work winding is by L
1Work winding 1, L
3Work winding 3, L
4Work winding 4, L
6The series connection of work winding 6 forwards forms closed-loop path, L
1Work winding 1 and L
3Work winding 3 connects L at the B point
3Work winding 3 and L
4Work winding 4 connects L at the C point
4Work winding 4 and L
6Work winding 6 connects L at the D point
1Work winding 1 is connected L with system works power supply 7 at the A point
6Work winding 6 is connected at the E point with system works power supply 7.
L
2Control winding 2, L
5Control winding 5 differential concatenations, L
2Control winding 2 and L
5Control winding 5 connects L at the J point
5Control winding 5 and field circuit resistance
RE 8 connects at the F point, three-phase fully-controlled rectifier 9 and field circuit resistance
RE 8 connects at the G point, and three-phase fully-controlled rectifier 9 is connected L with three phase excitation power supply 10 at the I point
2Control winding 2 is connected at the H point with three-phase fully-controlled rectifier 9.
Claims (4)
1. the method for a controlled reactor quick-response excitation is characterized in that: the present invention includes: L1 work winding (1), L2 control winding (2), L3 work winding (3), L4 work winding (4), L5 control winding (5), L6 work winding (6), system works power supply (7), field circuit resistance R e(8), three-phase fully-controlled rectifier (9), three phase excitation power supply (10).
2. the method for a kind of controlled reactor quick-response excitation according to claim 1, it is characterized in that, adopted the work windings in series mode of connection, i.e. L1 work winding (1), L3 work winding (3), L4 work winding (4), the series connection of L6 work winding (6) forward form the closed-loop path.
3. the method for a kind of controlled reactor quick-response excitation according to claim 1 is characterized in that, L2 control winding (2), L5 control winding (5) differential concatenation.
4. the method for a kind of controlled reactor quick-response excitation according to claim 1 is characterized in that, described three-phase fully-controlled rectifier switch device is selected thyristor SCR for use, can allow bigger exciting current, and is bigger thereby the controlled reactor capacity is done.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101891846A CN103248302A (en) | 2013-05-21 | 2013-05-21 | Quick-response excitation method for controllable reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101891846A CN103248302A (en) | 2013-05-21 | 2013-05-21 | Quick-response excitation method for controllable reactor |
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| Publication Number | Publication Date |
|---|---|
| CN103248302A true CN103248302A (en) | 2013-08-14 |
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| CN2013101891846A Pending CN103248302A (en) | 2013-05-21 | 2013-05-21 | Quick-response excitation method for controllable reactor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795202A (en) * | 2015-05-12 | 2015-07-22 | 山东大学 | Saturable reactor shortening transient response time |
| CN105185511A (en) * | 2015-11-06 | 2015-12-23 | 山东大学 | Three-phase saturation resistor capable of reducing bounded uncertainty |
| WO2019011257A1 (en) * | 2017-07-13 | 2019-01-17 | 谷钒科技有限公司 | Phase angle advance power-saving device |
| CN113380512A (en) * | 2021-05-26 | 2021-09-10 | 中铁十六局集团电气化工程有限公司 | Topological structure of magnetic valve type controllable reactor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3955134A (en) * | 1973-10-09 | 1976-05-04 | Woodford Dennis A | Reactance controller |
| CN201498341U (en) * | 2009-06-08 | 2010-06-02 | 赵国生 | Single-phase pressure-adjusting MCR |
| CN201975795U (en) * | 2011-03-18 | 2011-09-14 | 鞍山市恒力电气设备制造有限公司 | Hybrid excitation triggering and double-core excitation winding MCR (Magnetically Controlled Reactor) |
| CN102867629A (en) * | 2012-09-29 | 2013-01-09 | 华北电力大学 | Device for increasing response speed of magnetically controlled reactor |
-
2013
- 2013-05-21 CN CN2013101891846A patent/CN103248302A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3955134A (en) * | 1973-10-09 | 1976-05-04 | Woodford Dennis A | Reactance controller |
| CN201498341U (en) * | 2009-06-08 | 2010-06-02 | 赵国生 | Single-phase pressure-adjusting MCR |
| CN201975795U (en) * | 2011-03-18 | 2011-09-14 | 鞍山市恒力电气设备制造有限公司 | Hybrid excitation triggering and double-core excitation winding MCR (Magnetically Controlled Reactor) |
| CN102867629A (en) * | 2012-09-29 | 2013-01-09 | 华北电力大学 | Device for increasing response speed of magnetically controlled reactor |
Non-Patent Citations (1)
| Title |
|---|
| 赵士硕等: "磁控电抗器仿真模型与实验研究", 《电气应用》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795202A (en) * | 2015-05-12 | 2015-07-22 | 山东大学 | Saturable reactor shortening transient response time |
| CN105185511A (en) * | 2015-11-06 | 2015-12-23 | 山东大学 | Three-phase saturation resistor capable of reducing bounded uncertainty |
| CN105185511B (en) * | 2015-11-06 | 2017-04-19 | 山东大学 | Three-phase saturation resistor capable of reducing bounded uncertainty |
| WO2019011257A1 (en) * | 2017-07-13 | 2019-01-17 | 谷钒科技有限公司 | Phase angle advance power-saving device |
| TWI692784B (en) * | 2017-07-13 | 2020-05-01 | 谷釩科技有限公司 | Power-saving device and system with leading phase angle |
| CN113380512A (en) * | 2021-05-26 | 2021-09-10 | 中铁十六局集团电气化工程有限公司 | Topological structure of magnetic valve type controllable reactor |
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Application publication date: 20130814 |