CN202616791U - Magnetically controlled reactor rapid excitation device - Google Patents
Magnetically controlled reactor rapid excitation device Download PDFInfo
- Publication number
- CN202616791U CN202616791U CN2012202334944U CN201220233494U CN202616791U CN 202616791 U CN202616791 U CN 202616791U CN 2012202334944 U CN2012202334944 U CN 2012202334944U CN 201220233494 U CN201220233494 U CN 201220233494U CN 202616791 U CN202616791 U CN 202616791U
- Authority
- CN
- China
- Prior art keywords
- controlled reactor
- excitation
- circuit
- magnetically controlled
- magnet controlled
- 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 - Lifetime
Links
Images
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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- 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
Landscapes
- Control Of Eletrric Generators (AREA)
Abstract
The utility model relates to a magnetically controlled reactor rapid excitation device which is composed of a forward steady state excitation circuit, a forward overexcitation circuit, a backward excitation circuit, an excitation transformer, and a magnetically controlled reactor excitation winding. The device has the rapid forward excitation function and the backward forced demagnetization function, so the device can shorten the response time of the magnetically controlled reactor from hundreds of seconds to less than 40 milliseconds, and consequently the response speed of the magnetically controlled reactor is greatly improved, the application scope of the magnetically controlled reactor is widened, and the forceful technical assurance is provided for the application of the magnetically controlled reactor in the wind power generation field, the steel rolling field, the metal smelting field, and other fields which require the rapid response. The device adopts the forward and backward excitation windings, so the electrical isolation performance is excellent, the symmetry of the excitation circuits is excellent, the impact on the magnetically controlled reactor is small, and the reliability and the working stability of the magnetically controlled reactor are improved.
Description
Technical field
The utility model relates to a kind of excitation unit of magnet controlled reactor, is a kind of suitable magnet controlled reactor low pressure faster exciter
of response fast specifically.
Background technology
Making great efforts to improve the response speed of magnet controlled reactor, is pressing for of magnetic control reactance technical development.In recent years; Each magnet controlled reactor manufacturer, scientific research department and the universities and colleges various excitation scheme that released one after another; Though product is arranged to be used; But the stability of its excitation speed and excitation system, reliability etc. all exist various drawbacks, and applying of magnet controlled reactor is restricted.
Summary of the invention
Defective to existing magnet controlled reactor excitation unit existence; The utility model provides a kind of have quick forward excitation and counter force demagnetization dual-use function, can the response time of magnet controlled reactor be foreshortened to 40 milliseconds with interior magnet controlled reactor faster exciter by the hundreds of millisecond.
Addressing the above problem the technical measures of being taked is:
A kind of magnet controlled reactor faster exciter is characterized in that: be made up of forward stable state field circuit, forward overexcitation circuit, reverse field circuit, excitation transformer and magnet controlled reactor excitation winding, wherein: forward stable state field circuit is by thyristor V
2, V
3, V
5, V
6Form the winding N of the ac input end of circuit and excitation transformer
6 /Link to each other the dc output end of circuit and the excitation winding N of magnet controlled reactor
4, N
4 /Leading-out terminal a, b link to each other; Forward overexcitation circuit is by thyristor V
1, V
2, V
4, V
5Form the winding N of the ac input end of circuit and excitation transformer
6Link to each other the dc output end of circuit and the excitation winding N of magnet controlled reactor
4, N
4 /Leading-out terminal a, b link to each other; Reverse field circuit is by thyristor V
7, V
8Form the winding N of the ac input end of circuit and excitation transformer
5, N
5 /Link to each other the dc output end of circuit and the excitation winding N of magnet controlled reactor
3, N
3 /Link to each other.
The beneficial effect of the utility model: what this device adopted is outer excited work mode, has forward and reverse dual excitation function, and it is fast to have excitation speed, and exciting voltage is low, impact little, high reliability features.The combined type single phase-controlled rectification circuit has been adopted in the stable state excitation and the forward quick-response excitation of this device, has high-low pressure input, output translation function, and circuit structure is simple, the characteristics that conversion speed is fast.The reverse excitation of this device adopts the circuit structure of all-wave controlled rectification, and the secondary winding of excitation transformer has centre cap, and the magnet controlled reactor body has the reverse degaussing winding of special setting, can realize the quick demagnetization of magnet controlled reactor.This device is provided with two special excitation winding in the magnet controlled reactor body, have that the electrical isolation performance is good, the exciting current symmetry is good, the magnet controlled reactor body is impacted little characteristics.Operation test shows; Can the response time of magnet controlled reactor be foreshortened in 40 milliseconds by the hundreds of millisecond; Greatly promoted the response speed of magnet controlled reactor; Widened the range of application of magnet controlled reactor, in the applications that requirements such as wind power generation, steel rolling, metal smelt respond fast strong technical guarantee is provided for making magnet controlled reactor.Owing to adopted independently forward and reverse excitation winding, the electrical isolation performance is good, the symmetrical performance of field circuit is good, and is little to the impact of magnet controlled reactor body, helps improving the reliability and the job stability of magnet controlled reactor.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model;
Fig. 2 is the excitation Principle of Process figure of inductance in the utility model;
Fig. 3 is the demagnetization Principle of Process figure of inductance in the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done specific descriptions.
A kind of magnet controlled reactor faster exciter, as shown in Figure 1, form by forward stable state field circuit, forward overexcitation circuit, reverse field circuit, excitation transformer and magnet controlled reactor excitation winding, wherein:
Forward stable state field circuit is by thyristor V
2, V
3, V
5, V
6Form the winding N of the ac input end of circuit and excitation transformer
6 /Link to each other the dc output end of circuit and magnet controlled reactor excitation winding N
4, N
4 /Leading-out terminal a, b link to each other.The stable state excitation of so-called magnet controlled reactor promptly is the excitation when keeping the magnet controlled reactor steady operation, and the DC excitation electric current of this moment is by thyristor V
2, V
3, V
5, V
6The forward stable state field circuit of forming provides, the winding N of the ac input end of circuit and excitation transformer
6 /Link to each other the dc output end of circuit and magnet controlled reactor excitation winding N
4, N
4 /Leading-out terminal a, b link to each other, form forward stable state field circuit.
Forward overexcitation circuit is by thyristor V
1, V
2, V
4, V
5Form the winding N of the ac input end of circuit and excitation transformer
6Link to each other the dc output end of circuit and magnet controlled reactor excitation winding N
4, N
4 /Leading-out terminal a, b link to each other.When the capacity of magnet controlled reactor need be to the direction transition that increases (being defined as forward), by thyristor V
2, V
3, V
5, V
6The out-of-work while of forming of forward stable state field circuit is by thyristor V
1, V
2, V
4, V
5The forward overexcitation circuit of forming is devoted oneself to work immediately, imports higher direct voltage and bigger direct current to magnet controlled reactor, to realize the quick transition of forward of magnet controlled reactor.When magnet controlled reactor gets into new stable state, by thyristor V
1, V
2, V
4, V
5The forward overexcitation circuit of forming quits work, by thyristor V
2, V
3, V
5, V
6The forward stable state field circuit of forming resumes work, and makes magnet controlled reactor stable operation under the capacity that has increased.
Reverse field circuit is by thyristor V
7, V
8Form the winding N of the ac input end of circuit and excitation transformer
5, N
5 /Link to each other the dc output end of circuit and the excitation winding N of magnet controlled reactor
3, N
3 /Link to each other.When the capacity of magnet controlled reactor need be to the direction transition that reduces (being defined as reverse), thyristor V
1～V
6End thyristor V
7, V
8Conducting rapidly is to the excitation winding N of magnet controlled reactor
3, N
3 /The input reverse dc is to realize the reverse quick-response excitation of magnet controlled reactor.When magnet controlled reactor gets into new stable state, by thyristor V
7, V
8The reverse field circuit of forming quits work, by thyristor V
2, V
3, V
5, V
6The forward stable state field circuit of forming resumes work, and makes magnet controlled reactor stable operation under the capacity that has reduced.
Among Fig. 1; A, X two ends are terminals that magnet controlled reactor is connected with electrical network; A, b two ends are the current input terminals that are used for connecting stable state field circuit and forward overexcitation circuit, and c, d are the current input terminals that is used for connecting reverse field circuit, and L, N are the voltage input ends of excitation transformer.
Fig. 2, Fig. 3 are the excitation and demagnetization process sketch map of inductance in the utility model.Realize that the inductance quick-response excitation and the basic principle of demagnetization fast are: inductance is a kind of energy-storage travelling wave tube, and the electric current in the inductance can not transition, is the basic physical attribute of inductance, this attribute of inductance be influence magnet controlled reactor fast the root of response belong to.When K switch is closed, there is electric current I to flow through inductance coil, coil converts a part of electric energy to magnetic energy and is stored in wherein, and this process is the excitation process of inductance, and is as shown in Figure 2.When K switch was broken off, the self induction electromotive force that inductance produces was reverse, and under the effect of continuous current circuit, the magnetic energy of inductance storage converts electric energy to and discharges through continued flow component, and this process is the demagnetization process of inductance, and is as shown in Figure 3.Theory and practice shows that all the demagnetization process of inductance is longer than the process of excitation, this also be magnet controlled reactor capacity by greatly to the little transition time than by little to longer reason of big transition time.Therefore, improve the speed of inductance excitation, can increase the forward exciting current, make inductance be in the overexcited state of forward; Improve the speed of inductance demagnetization, reverse exciting current can be provided, inductive energy storage is discharged rapidly under the effect of reverse exciting current.The utility model designs with regard to being based on this principle.Can know that by Fig. 1 what circuit adopted is the working method of outer excitation.Utilize thyristor V1～V6 to form combined type single-phase bridge controlled rectification circuit, can realize forward quick-response excitation; The single-phase full wave controlled rectification circuit that utilizes thyristor V7, V8 to form can be realized quick demagnetization.
Claims (1)
1. magnet controlled reactor faster exciter is characterized in that: be made up of forward stable state field circuit, forward overexcitation circuit, reverse field circuit, excitation transformer and magnet controlled reactor excitation winding, wherein: forward stable state field circuit is by thyristor V
2, V
3, V
5, V
6Form the winding N of the ac input end of circuit and excitation transformer
6 /Link to each other the dc output end of circuit and the excitation winding N of magnet controlled reactor
4, N
4 /Leading-out terminal a, b link to each other; Forward overexcitation circuit is by thyristor V
1, V
2, V
4, V
5Form the winding N of the ac input end of circuit and excitation transformer
6Link to each other the dc output end of circuit and the excitation winding N of magnet controlled reactor
4, N
4 /Leading-out terminal a, b link to each other; Reverse field circuit is by thyristor V
7, V
8Form the winding N of the ac input end of circuit and excitation transformer
5, N
5 /Link to each other the dc output end of circuit and the excitation winding N of magnet controlled reactor
3, N
3 /Link to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202334944U CN202616791U (en) | 2012-05-23 | 2012-05-23 | Magnetically controlled reactor rapid excitation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202334944U CN202616791U (en) | 2012-05-23 | 2012-05-23 | Magnetically controlled reactor rapid excitation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202616791U true CN202616791U (en) | 2012-12-19 |
Family
ID=47350461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202334944U Expired - Lifetime CN202616791U (en) | 2012-05-23 | 2012-05-23 | Magnetically controlled reactor rapid excitation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202616791U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247430A (en) * | 2013-05-21 | 2013-08-14 | 华北电力大学 | Quick-response separately excited magnetically controlled reactor |
| CN105762814A (en) * | 2016-03-31 | 2016-07-13 | 青岛研睿电子有限公司 | Magnetically controlled reactor system rapidly responding through longitudinal yoke coils and working method |
-
2012
- 2012-05-23 CN CN2012202334944U patent/CN202616791U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247430A (en) * | 2013-05-21 | 2013-08-14 | 华北电力大学 | Quick-response separately excited magnetically controlled reactor |
| CN105762814A (en) * | 2016-03-31 | 2016-07-13 | 青岛研睿电子有限公司 | Magnetically controlled reactor system rapidly responding through longitudinal yoke coils and working method |
| CN105762814B (en) * | 2016-03-31 | 2018-06-12 | 青岛研睿电子有限公司 | By the magnet controlled reactor system and method for work of indulging yoke winding quick response |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101521374B (en) | Short-circuit current limiting device of magnetic saturation reactor | |
| CN101814775B (en) | Parameter matching method for induction power-taking device for overhead high-voltage transmission line | |
| CN105897033B (en) | A kind of capacitance multiplexing type inductive energy storage type pulse power for Electromagnetic Launching | |
| CN109586557A (en) | A kind of frequency converter pre-charge system and frequency converter | |
| CN104658778A (en) | Energy storage and triggering equipment for electromagnetic repulsion operating mechanism and control method | |
| CN107070331B (en) | Time-dependent current self-excitation self-charging switch reluctance generator current transformer | |
| CN202616791U (en) | Magnetically controlled reactor rapid excitation device | |
| CN102904263B (en) | Quick magnetizing and demagnetizing device based on magnetically controlled reactor (MCR) | |
| CN112564070A (en) | Novel rapid energy storage type magnetic saturation iron core direct current fault current limiter and current limiting method | |
| TW201101669A (en) | DC/AC converter device of solar cell | |
| CN104901602A (en) | Small electromagnetic acceleration system | |
| Dong et al. | Design of converter topology for switched reluctance wind power generator | |
| CN203621745U (en) | Three-purpose inverter welder | |
| CN203827182U (en) | Power supply conversion device | |
| CN113872170A (en) | Magnetic saturation iron core direct current fault current limiter capable of secondary active current limiting and current limiting method | |
| CN104539146A (en) | Circuit structure restraining dynamic bias of high-frequency isolation type full bridge converter and control method | |
| CN101582338B (en) | Bistable permanent magnetism operating mechanism control circuit | |
| CN201638648U (en) | Microwave oven high-tension transformer and microwave oven comprising same | |
| CN107222123B (en) | Capacitor multiplexing type multistage inductance energy storage type pulse power supply | |
| CN201219241Y (en) | Great current generator | |
| CN203205844U (en) | Switching power supply overvoltage automatic protection circuit | |
| CN202026243U (en) | Capacitor transformer | |
| CN202796748U (en) | Energy-saving control circuit of constant magnetic maintaining alternating current contactor | |
| CN204167919U (en) | A kind of efficient balanced lead-acid battery charger | |
| CN203218052U (en) | Traction electromagnet coil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121219 |
|
| CX01 | Expiry of patent term |