CN203397849U - Novel controllable electric reactor based on two-phase magnetic material - Google Patents
Novel controllable electric reactor based on two-phase magnetic material Download PDFInfo
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- CN203397849U CN203397849U CN201320525237.2U CN201320525237U CN203397849U CN 203397849 U CN203397849 U CN 203397849U CN 201320525237 U CN201320525237 U CN 201320525237U CN 203397849 U CN203397849 U CN 203397849U
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- 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
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- 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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Abstract
The utility model relates to a novel controllable electric reactor based on a two-phase magnetic material. The novel controllable electric reactor comprises an iron core, a winding and a control system, wherein the iron core consists of a general electrical steel sheet and the two-phase magnetic material; the winding consists of a main winding and a control winding; the control system consists of electric reactors, an IGBT (Insulated Gate Bipolar Translator), a mutual inductor, a CPU (Central Processing Unit), a voltage/current detector, a driver and a capacitor, and the electric reactors are connected with a power grid. According to the novel controllable electric reactor based on the two-phase magnetic material, idle components are sent into the control system through the mutual inductor, and the control system sends out direct current to the control winding, generates the idle components required by a power system and implement compensation; the loss of the power system is reduced, the energy-saving effect is obvious, a certain economic benefit is obtained, and the novel controllable electric reactor has an important practical significance on the whole power system.
Description
Technical field
The utility model relates to electrical engineering field, specifically refers to a kind ofly can utilize two-phase magnetic material adaptive equalization electric network reactive-load electric current, administer harmonic current, has controlled reactor energy-conservation, intelligent characteristic.
Background technology
In recent years, along with the development of superhigh pressure remote conveying electric system and the aggravation of electric load variation, the consumption to reactive power in electrical network increases day by day.Energy crisis is various countries all over the world.Exploitation, energy savings and raising power supply quality become the main task of various countries.Idle deficiency is to cause the not high and serious key factor of waste of energy of China's quality of power supply.
Theoretical and practice shows, regulate reactance to have significant effect for improving power system operation performance, the particularly application of controlled reactor, its capacity can change automatically along with the size of through-put power, prevent too high switching overvoltage and corresponding transient oscillation overvoltage that circuit one side switch produces while suiting, reduced the reliability of transmission of electricity energy, stability and the electrical network of grid loss, raising electric power system.
Nineteen sixty-five, Britain General Electric Co. Limited manufactured First controlled reactor in the world, 1977-1978, U.S. GE company, Westinghouse Electric and ABB AB successively develop static compensating device, superhigh pressure TCT type static compensating device, the thyristor-controlled reactor that adopts thyristor control.The 1986 Nian Yuan Soviet Union have proposed novel controlled reactor structure, thereby make direct current saturated controllable reactor have the progress of breakthrough, and reactor performance is improved greatly.Subsequently, the researcher of Japan has proposed the controlled reactor based on controlling the orthocore of magnetic flux principle.In recent years, the research to controlled reactor of foreign scholar and scientific research institution, obtained in many aspects achievement, as the controlled reactor of controlling based on PWM, transformer type controlled reactor based on controllable load principle, orthocore formula controlled reactor based on flux-gate principle, superconductive controllable reactor etc.Domestic the research of controlled reactor is mainly concentrated in direct-current controllable reactor and Controllable Reactor.Wuhan University, Shanghai Communications University, North China Electric Power University, Zhejiang University, the Central China University of Science and Technology, Shenyang University of Technology etc. have launched system research to straight, Controllable Reactor.Successfully develop automatic tuning arc depression coil based on magnetic valve type controllable reactor, dynamic passive compensation controlled reactor, megavolt high pressure controlled reactor etc. for electric railway.
Present stage, the focus of reactive power compensation and harmonic treating apparatus research is mainly concentrated on to controlled reactor, capacitor, active filter and their aspects such as combination thereof.The subject matter of the general reactor of electric power system is that capacity cannot regulate, and traditional controlled reactor can solve capacity regulating problem, but has the shortcoming of slow, the continuous poor controllability of response speed, is not well positioned to meet the needs of dynamic passive compensation.Active filter is comparatively complicated, and the reliability of its work and anti-electrical network impact capacity are on the weak side.If set up effective structural system in controlled reactor inside, adopt novel two-phase magnetic material, realize reactance and regulate in real time, continuously.To likely fundamentally solve the series of problems of traditional controlled reactor, guarantee safe operation of power system.
Summary of the invention
Goal of the invention:
The utility model provides a kind of novel controlled reactor based on two-phase magnetic material, adopted a kind of novel two-phase magnetic material, form new controlled reactor core construction, its object is: by foundation detect, control system realizes the intelligent conversion between this two-phase magnetic material demagnetization and DC excitation function, complete the regulating in real time, continuously of controlled reactor reactance, and then realize power system reactive power compensation and harmonic wave are suppressed.
Technical scheme:
The utility model is implemented by the following technical programs:
A novel controlled reactor for two-phase magnetic material, described controlled reactor comprises iron core, winding and control system; It is characterized in that: iron core is comprised of common electrical sheet and two-phase magnetic material, and two-phase magnetic material is arranged among the stem of common electrical sheet, the upper yoke of common electrical sheet, lower yoke and the first other post, the second other post are main magnetic circuit; Winding is comprised of main winding and control winding, and main winding is wound on main magnetic circuit, controls winding technique in two-phase magnetic material both sides; Control system is connected with control winding.
Described control system is comprised of the reactor being connected with electrical network, IGBT, instrument transformer, CPU, voltage and current checkout gear, driving, electric capacity.
Advantage and effect:
The utility model is different from traditional controlled reactor scheme.
First, utilize two-phase magnetic material to regulate reactance energy-saving effect remarkable, it is less that next utilizes two-phase magnetic material to carry out in real time, regulate continuously reactance to produce harmonic wave, only need very little direct current, just can produce stronger adjusting magnetic flux, and can realize power-off compensation, guarantee the safe operation of electric power system.
accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
1, common electrical sheet, 2, two-phase magnetic material, 3, upper yoke, 4, lower yoke, the 5, first other post, the 6, second other post, 7, main magnetic circuit, 8, main winding, 9, control winding, 10, control system, 11, electrical network, 12, reactor, 13, IGBT, 14, instrument transformer, 15, CPU, 16, voltage and current checkout gear, 17, drive, 18, electric capacity.
embodiment:
Below in conjunction with accompanying drawing, the utility model is specifically described:
The utility model provides a kind of brand-new controlled reactor, and two-phase magnetic material is implanted in traditional controlled reactor, forms a kind of novel controlled reactor that utilizes material remanent magnetism to regulate reactance.By foundation detect, control system realizes two-phase magnetic material DC excitation function regulated continuously, complete to reactance in real time, continuously, smooth adjustment.This novel controlled reactor has been cancelled original reactor and has been introduced by external circuit the mode that electric current regulates reactance.During for power system reactive power compensation, the novel controlled reactor based on two-phase magnetic material has the advantages that to utilize the reactance of material remanent magnetism self-regulation, can realize power-off and regulate, and ensures safe operation of power system.
A novel controlled reactor for two-phase magnetic material, described controlled reactor comprises iron core, winding and control system; It is characterized in that: iron core is comprised of common electrical sheet 1 and two-phase magnetic material 2, two-phase magnetic material 2 is arranged among the stem of common electrical sheet 1, the top of common electrical sheet 1 is upper yoke 3, bottom is lower yoke 4, left side is the first other post 5, right side is the second other post 6, and the upper yoke 3 of common electrical sheet 1, lower yoke 4 and first other post the 5, second other post 6 are main magnetic circuit 7; Winding is comprised of main winding 8 and control winding 9, and main winding 8 is wound on main magnetic circuit 7, controls winding 9 and is wound on two-phase magnetic material 2 both sides; Control system 10 is connected with control winding 9.
Described control system 10 by the reactor 12 being connected with electrical network 11, IGBT13, instrument transformer 14, CPU15, voltage and current checkout gear 16, drive 17 and electric capacity 18 form.
Reactor 12 connects IGBT13, instrument transformer 14 connects main winding 8, and IGBT13 is also connected with driving 17, drives 17 connection voltage and current checkout gears 16, voltage and current checkout gear 16 connects CPU15, and electric capacity 18 is connected in parallel on IGBT13 near a side of controlling winding 9.
The operation principle of this novel controlled reactor based on two-phase magnetic material of the utility model is as follows:
When electric power system needs reactive power compensation, by instrument transformer 14, idle component is sent into control system 10, control system 10 is sent direct current to controlling winding, produces the idle component that electric power system needs, and compensates.When electric power system needs idle variation, by instrument transformer 14, idle component is sent into control system 10, the electric capacity 18 in control system 10 forms RLC a pair of oscillators two-phase magnetic materials 2 with control winding 9 and demagnetizes.
Conclusion: this novel controlled reactor based on two-phase magnetic material of the utility model, by setting up instrument transformer, detect idle component, by control system, realize the conversion between DC excitation and demagnetization function to two-phase magnetic material, complete the reactive power compensation of electric power system and harmonic wave are suppressed.Reduce electric power system loss, energy-saving effect is obvious, obtains certain economic benefit, and whole electric power system is had to great practical significance.
Claims (2)
1. the novel controlled reactor based on two-phase magnetic material, described controlled reactor comprises iron core, winding and control system; It is characterized in that: iron core is comprised of common electrical sheet (1) and two-phase magnetic material (2), two-phase magnetic material (2) is arranged among the stem of common electrical sheet (1), and the upper yoke (3) of common electrical sheet (1), lower yoke (4) and the first other post (5), the second other post (6) are main magnetic circuit (7); Winding is comprised of main winding (8) and control winding (9), and it is upper that main winding (8) is wound on main magnetic circuit (7), controls winding (9) and is wound on two-phase magnetic material (2) both sides; Control system (10) is connected with control winding (9).
2. the novel controlled reactor based on two-phase magnetic material according to claim 1, is characterized in that: described control system (10) is by the reactor (12), the IGBT(13 that are connected with electrical network (11)), instrument transformer (14), CPU(15), voltage and current checkout gear (16), drive (17), electric capacity (18) to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320525237.2U CN203397849U (en) | 2013-08-27 | 2013-08-27 | Novel controllable electric reactor based on two-phase magnetic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320525237.2U CN203397849U (en) | 2013-08-27 | 2013-08-27 | Novel controllable electric reactor based on two-phase magnetic material |
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| Publication Number | Publication Date |
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| CN203397849U true CN203397849U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320525237.2U Withdrawn - After Issue CN203397849U (en) | 2013-08-27 | 2013-08-27 | Novel controllable electric reactor based on two-phase magnetic material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413653A (en) * | 2013-08-27 | 2013-11-27 | 沈阳工业大学 | Novel controllable electric reactor based on two-phase magnetic materials |
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2013
- 2013-08-27 CN CN201320525237.2U patent/CN203397849U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413653A (en) * | 2013-08-27 | 2013-11-27 | 沈阳工业大学 | Novel controllable electric reactor based on two-phase magnetic materials |
| CN103413653B (en) * | 2013-08-27 | 2016-10-26 | 沈阳工业大学 | Novel controllable electric reactor based on biphase magnetic material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140115 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |