CN204316395U - Magnetic valve type controllable reactor rapidity improving device - Google Patents
Magnetic valve type controllable reactor rapidity improving device Download PDFInfo
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- CN204316395U CN204316395U CN201420797695.6U CN201420797695U CN204316395U CN 204316395 U CN204316395 U CN 204316395U CN 201420797695 U CN201420797695 U CN 201420797695U CN 204316395 U CN204316395 U CN 204316395U
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- iron core
- gate
- controlled switch
- auxiliary winding
- switch device
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Abstract
The utility model relates to the controlling technology field that electrical power system dynamic reactive power compensates.A kind of magnetic valve type controllable reactor rapidity improving device, its main feature is to include at first unshakable in one's determination and the second iron core, and first return yoke on both sides and the second return yoke are respectively equipped with the first auxiliary winding and the second auxiliary winding; The first magnet valve and the second magnet valve is respectively equipped with in the middle of first iron core, the second iron core; Input side auxiliary winding and the second auxiliary winding switching with first respectively of the first rectifying device and the second rectifying device, one end of outlet side is connected with the first gate-controlled switch device, the second gate-controlled switch device respectively.The utility model has the advantages that and improve magnetic valve type controllable reactor rapidity, improve ferromagnetic material utilance, reduce auxiliary exciting device cost of investment.
Description
Technical field
The utility model relates to the controlling technology field that electrical power system dynamic reactive power compensates, and is exactly a kind of magnetic valve type controllable reactor rapidity improving device.
Background technology
Known magnetic valve type controllable reactor is the reactive-load compensation equipment by regulating magnet valve magnetic saturation degree to export different capabilities, because its volume is little, reliability is high, harmonic wave is little and can the distinguishing feature such as continuously smooth adjustment, be widely used in electrical power system dynamic reactive power power back-off, suppress power frequency and switching overvoltage, maintenance voltage level of power grid, suppress the aspects such as secondary arc current.But day by day complicated along with electric network composition, the response speed of magnetic valve type controllable reactor can not meet it and drop into fast and requirement out of service in system, which also limits the scope of its application.By adopting the method such as multiple excitation mode or raising control loop voltage to improve its response speed, this all needs a set of independently field power supply, and not only cost of investment and floor space greatly increase but also can not meet the demand magnetized with degaussing simultaneously.
Summary of the invention
The utility model provides a kind of magnetic valve type controllable reactor rapidity improving device.The problem long with transient process response times such as solving magnetic valve type controllable reactor and throw, cut and make up the deficiency of existing improvement opportunity.
The utility model solves the technical scheme that its technical problem adopts: a kind of magnetic valve type controllable reactor rapidity improving device, its main feature is to include at first unshakable in one's determination and the second iron core, and first return yoke on both sides and the second return yoke are respectively equipped with the first auxiliary winding and the second auxiliary winding; The first magnet valve and the second magnet valve is respectively equipped with in the middle of first iron core, the second iron core; Input side auxiliary winding and the second auxiliary winding switching with first respectively of the first rectifying device and the second rectifying device, one end of outlet side is connected with the first gate-controlled switch device, the second gate-controlled switch device respectively; First excitation winding divides equally two parts, and around on the first iron core, the second iron core, one end is connected to the first gate-controlled switch device, and the other end is connected with the other end of the first rectifying device outlet side, forms closed loop of magnetizing; Second excitation winding divides equally two parts, and around on the first iron core, the second iron core, one end is connected to the second gate-controlled switch device, and the other end is connected with the other end of the second rectifying device outlet side, forms closed degaussing loop.
The utility model compared with the prior art its beneficial effect is: do not needing under the condition providing independent excitation power supply, by introducing the first auxiliary winding, the second auxiliary winding, utilize can conveniently to be built by the flow characteristics of the first iron core of magnetic valve type controllable reactor self, the second iron core, four-column type symmetrical structure that the first return yoke, the second return yoke forms and reactor body alternating current-direct current magnetic flux fill, the field power supply of degausser, raising magnetic valve type controllable reactor ferromagnetic material utilance, minimizing are invested; Form fill, degaussing loop is independent of each other mutually, independent design first can assist winding, the second auxiliary winding, the first excitation winding, the structural parameters of the second excitation winding and control system of the first gate-controlled switch device and the second gate-controlled switch device; Due to the number of turn few (it is very little that field power supply voltage compares reactor operating voltage) needed for the first auxiliary winding, the second auxiliary winding, and the wire diameter of the first excitation winding, the second excitation winding little (it is very little that DC magnetic bias current compares reactor operating current), so this device can not make reactor volume too much increase, as can be seen here, the utility model is except having the function of basic improvement rapidity, also there is simple, the convenient-to-running feature of structure, and volume is little, easy integrated design is produced.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present utility model;
fig. 2 is reactor body direct current flux circulation schematic diagram;
fig. 3 is that rapidity improves the loop generation direct current flux circulation schematic diagram that magnetizes;
fig. 4 is that rapidity improves degaussing loop generation direct current flux circulation schematic diagram.
In figure: 1-first is unshakable in one's determination, 2-second is unshakable in one's determination, 3-first return yoke, 4-second return yoke, 5-1 first magnet valve, 5-2 second magnet valve, 6-first assists winding, 7-second assists winding, 8-first rectifying device, 9-second rectifying device, 10-first gate-controlled switch device, 11-second gate-controlled switch device, 12-first excitation is around, 13-second excitation winding.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, illustrated embodiment is only for explaining explanation, being not intended to limit scope of the present utility model.
Embodiment 1: see Fig. 1, a kind of magnetic valve type controllable reactor rapidity improving device, includes and be respectively equipped with the first auxiliary winding 6 and the second auxiliary winding 7 on first return yoke 3 and the second return yoke 4 on the first unshakable in one's determination 1 and second 2 both sides unshakable in one's determination; The first magnet valve 5-1 and the second magnet valve 5-2 is respectively equipped with in the middle of first iron core 1, second unshakable in one's determination 2; First rectifying device 8 assists winding 6 and the second auxiliary winding 7 to be connected with the input side of the second rectifying device 9 respectively with first, one end of outlet side is connected with the first gate-controlled switch device 10, second gate-controlled switch device 11 respectively; First excitation winding 12 divides equally two parts, and around on the first iron core 1, second iron core 2, one end is connected to the first gate-controlled switch device 10, and the other end is connected with the other end of the first rectifying device 8 outlet side, forms closed loop of magnetizing; First excitation winding 13 divides equally two parts, and around on the first iron core 1, second iron core 2, one end is connected to the second gate-controlled switch device 11, and the other end is connected with the other end of the second rectifying device 9 outlet side, forms closed degaussing loop.
Described magnetic valve type controllable reactor rapidity improving device, during use:
(1) when magnetic valve type controllable reactor is adjusted to the fully loaded input starting stage by zero load or need large span to increase capacity, make to magnetize the first gate-controlled switch device 10 conducting in loop certain time, specifically by system, the requirement of response time and loop structure parameter are determined, realize magnetizing fast to the first magnet valve 5-1 and the second magnet valve 5-2;
(2) magnetize after end, turn off the first gate-controlled switch device 10 magnetized in loop, assist and magnetized;
(3) magnetic valve type controllable reactor by fully loaded be adjusted to unloaded exit the starting stage or need large span to reduce capacity time, make the first gate-controlled switch device 11 conducting in degaussing loop and certain time, specifically by system, the requirement of response time and loop structure parameter are determined, realize the quick demagnetization to the first magnet valve 5-1 and the second magnet valve 5-2;
(4), after degaussing terminates, turn off the second gate-controlled switch device 11 in degaussing loop, auxiliary degaussing completes.
Power frequency alternating flux is there is in first return yoke 3, second return yoke 4, from the law of electromagnetic induction, first auxiliary auxiliary winding 7 two ends of winding 6, second can induce corresponding induced electromotive force, and induced electromotive force and reactor operating voltage meet two winding transformer voltage change ratio relation, the auxiliary winding 7 of first auxiliary winding 6, second of the different number of turn will produce the induced electromotive force of different size, thus in this, as filling, the field power supply in degaussing loop.
Fill, degaussing loop be completely the same in structure distribution and composition, owing to filling, degaussing time reactor state different, so fill, in degausser the number of turn of each winding and the control of the first gate-controlled switch device 10, second gate-controlled switch device 11 not necessarily identical; First gate-controlled switch device 10, second gate-controlled switch device 11 controls to fill respectively, the break-make of degaussing loop current and the length of make-and-break time, and the operating time is short, and the most of the time is in off state, and switching frequency is lower.
First excitation winding 12 on the first iron core 1, second iron core 2 the number of turn distribution should be equal, around to follow magnetize loop produce direct current flux B and the reactor body direct current flux A direction principle of correspondence; Second excitation winding 13 on the first iron core 1, second iron core 2 the number of turn distribution should be equal, around to follow degaussing loop produce direct current flux C and the contrary principle in reactor body direct current flux A direction.
Only have auxiliary winding 7, first excitation winding 12, second excitation winding 13 of the first auxiliary winding 6, second together with reactor body, the first rectifying device 8, second rectifying device 9, first gate-controlled switch device 10, second gate-controlled switch device 11 designs (not shown) in control cubicle.
Systemic-function principle is sketched:
In FIG, being positioned at first on the first return yoke 3 assists winding 6 and the first rectifying device 8, first gate-controlled switch device 10, first excitation winding 12 to form loop of magnetizing, and is positioned at the degaussing loop that second on the second return yoke 4 assists winding 7 and the second rectifying device 9, second gate-controlled switch device 11, second excitation winding 13 to form.See Fig. 2, when not adding additive excitation device, the first magnet valve 5-1 in the first iron core 1, second iron core 2 only has reactor body direct current flux A to flow through.See Fig. 3, the direct current flux B that loop of magnetizing produces and reactor body direct current flux A in the same way, accelerates the saturated velocity of the second magnet valve 5-2 in the first iron core 1, second iron core 2; See Fig. 4, degaussing loop produces the magnetic flux reverse with reactor body direct current flux A, accelerates the demagnetization speed of the second magnet valve 5=2 in the first iron core 1, second iron core 2.Described to fill, degaussing loop works is in the starting stage needing magnetic valve type controllable reactor to throw fast, to cut.When required adjustable range is larger, also suitably can make the first gate-controlled switch device 10 or the second gate-controlled switch device 11 short-term operation, accelerate the transient process of magnetic valve type controllable reactor.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (1)
1. a magnetic valve type controllable reactor rapidity improving device, is characterized in that including at first unshakable in one's determination and the second iron core, and first return yoke on both sides and the second return yoke are respectively equipped with the first auxiliary winding and the second auxiliary winding; The first magnet valve and the second magnet valve is respectively equipped with in the middle of first iron core, the second iron core; Input side auxiliary winding and the second auxiliary winding switching with first respectively of the first rectifying device and the second rectifying device, one end of outlet side is connected with the first gate-controlled switch device, the second gate-controlled switch device respectively; First excitation winding divides equally two parts, and around on the first iron core, the second iron core, one end is connected to the first gate-controlled switch device, and the other end is connected with the other end of the first rectifying device outlet side, forms closed loop of magnetizing; Second excitation winding divides equally two parts, and around on the first iron core, the second iron core, one end is connected to the second gate-controlled switch device, and the other end is connected with the other end of the second rectifying device outlet side, forms closed degaussing loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420797695.6U CN204316395U (en) | 2014-12-16 | 2014-12-16 | Magnetic valve type controllable reactor rapidity improving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420797695.6U CN204316395U (en) | 2014-12-16 | 2014-12-16 | Magnetic valve type controllable reactor rapidity improving device |
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| Publication Number | Publication Date |
|---|---|
| CN204316395U true CN204316395U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420797695.6U Expired - Fee Related CN204316395U (en) | 2014-12-16 | 2014-12-16 | Magnetic valve type controllable reactor rapidity improving device |
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| CN (1) | CN204316395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916409A (en) * | 2015-07-02 | 2015-09-16 | 兰州交通大学 | Rapid response type self-excitation magnetically controlled reactor |
-
2014
- 2014-12-16 CN CN201420797695.6U patent/CN204316395U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916409A (en) * | 2015-07-02 | 2015-09-16 | 兰州交通大学 | Rapid response type self-excitation magnetically controlled reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150506 Termination date: 20161216 |