CN201504104U - Parallel controllable reactor of ultra-high-voltage line - Google Patents
Parallel controllable reactor of ultra-high-voltage line Download PDFInfo
- Publication number
- CN201504104U CN201504104U CN2009202230267U CN200920223026U CN201504104U CN 201504104 U CN201504104 U CN 201504104U CN 2009202230267 U CN2009202230267 U CN 2009202230267U CN 200920223026 U CN200920223026 U CN 200920223026U CN 201504104 U CN201504104 U CN 201504104U
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- reactor
- thyristor
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- controlled reactor
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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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Abstract
The utility model relates to a parallel controllable reactor of an ultra-high-voltage line, which belongs to the technical field of reactive power compensation of the high-voltage transmission line. The parallel controllable reactor comprises a controllable reactor (1), a DC excited thyristor (2) and a freewheeling diode (3); wherein the controllable reactor (1) is a DC excited reactor; and the freewheeling diode (3) crosses over the crossing terminals of the winding of the disjunction core column of the reactor. The saturation of the reactor core can be adjusted through adjusting the conduction angle of the thyristor, thereby realizing the smooth adjustment of the equivalent inductance of the reactor. The utility model has the advantages that: the saturation of the core can be controlled through changing the trigger angle of the thyristor in the controllable reactor so as to change the equivalent inductance of the reactor and to rapidly and continuously adjust the volume of the reactor, thereby realizing the optimal charging power compensation of the ultra-high-voltage transmission line. Moreover, the utility model also has the advantages of low price, simple control and reliable operation, thereby having a wide scope of application and broad market prospects.
Description
Technical field
The utility model belongs to ultra-high-tension power transmission line reactive power compensation technology field, particularly provides a kind of supertension line controlled reactor in parallel.
Background technology
Reactive balance is to the economic benefit that improves electrical network and to improve power supply quality most important, and the formation of the big electrical network of superhigh pressure and load variations aggravation require a large amount of adjustable reactive power sources of response fast to adjust voltage, keep system's reactive power flow balance, reduce loss, improve power supply reliability.
The utility model proposes a kind of supertension line controlled reactor in parallel, control the saturation of iron core to change its equivalent inductance by the trigger angle that changes thyristor in the controlled reactor, realize the adjusting rapidly, continuously of reactor capacity, have cheap, control is simple, the advantage of reliable operation has wide application and market prospects.
Summary of the invention
The purpose of this utility model is to provide a kind of supertension line controlled reactor in parallel, can regulate self capacity rapidly, continuously, realizes the effect of best extra high voltage network charge power compensation.
The utility model comprises: controlled reactor, control thyristor, fly-wheel diode.The middle main iron core post of controlled reactor is divided into two, and winds respectively with upper and lower two windings, mid portion interconnection.In addition, there is centre tap in winding, is connected to the direct current magnetic assist thyristor of two symmetric arrangement in the tap, and consequent direct current magnetic assist oneself in two split core posts is closed and do not flow out to the side column iron core.Its structure as shown in Figure 1, promptly the mid portion at four windings passes through self coupling transformation and controlled rectification, produce the direct current magnetic assist of direction unanimity, fly-wheel diode is across on the intersection end points of reactor division stem stem winding, the afterflow task when finishing thyristor and turn-offing.The middle part of the main iron core post of controlled reactor be provided with a small bore (sectional area for the main iron core column section long-pending 1/3rd) section so that when magnetic flux is big, reach degree of depth saturation condition.By the saturation that the angle of flow of regulating thyristor can be regulated core of reactor, realize the purpose of smooth adjustment reactor equivalent inductance.
Advantage of the present utility model is: control the saturation of iron core to change its equivalent inductance by the trigger angle that changes thyristor in the controlled reactor, can regulate reactor self capacity rapidly, continuously, realize the effect of best extra high voltage network charge power compensation, device has cheap, control is simple, reliable operation has wide application and market prospects.
Description of drawings
Fig. 1 is a kind of supertension line of the present utility model controlled reactor circuit diagram in parallel.Wherein, controlled reactor 1, direct current magnetic assist thyristor 2, fly-wheel diode 3., KPa and KPb are respectively the thyristor 2 of control controlled reactor 1 direct current magnetic assist;
Fig. 2 is the magnetic structure of controlled reactor small bore iron core of the present utility model and the controlled reactor iron core small bore schematic diagram of working state figure, and Ayt is a small bore core section area among the figure, and Ay is the core section area, and lt is the small bore core length.
Schematic diagram when Fig. 3 is the small bore core sataration of the magnetic structure of controlled reactor small bore iron core of the present utility model and working state figure,
Schematic diagram when Fig. 4 is the small bore iron core unsaturation of the magnetic structure of controlled reactor small bore iron core of the present utility model and working state figure,
Fig. 5 is the equivalent model of the small bore iron core of the magnetic structure of controlled reactor small bore iron core of the present utility model and working state figure, and among the figure, F is a magnetic potential, and φ is a magnetic flux, and Rq is an air reluctance, and Rt is an iron core magnetic resistance.
Embodiment
Fig. 1～Fig. 5 is a kind of embodiment of the present utility model.Comprise: controlled reactor 1, control thyristor 2, fly-wheel diode 3.Controlled reactor 1 is a kind of direct current saturable reactor.The middle main iron core post of controlled reactor 1 is divided into two, and winds respectively with upper and lower two windings, mid portion interconnection.In addition, there is centre tap in winding, is connected to the direct current magnetic assist thyristor 2 of two symmetric arrangement in the tap, and consequent direct current magnetic assist oneself in two split core posts is closed and do not flow out to the side column iron core.Its structure as shown in Figure 1, promptly the mid portion at four windings passes through self coupling transformation and controlled rectification, produce the direct current magnetic assist of direction unanimity, fly-wheel diode 3 is across on the intersection end points of reactor division stem stem winding, the afterflow task when finishing thyristor and turn-offing.The middle part of the main iron core post of controlled reactor 1 is provided with a small bore section, so that reach degree of depth saturation condition when magnetic flux is big.By the saturation that the angle of flow of regulating thyristor can be regulated core of reactor, realize the purpose of smooth adjustment reactor equivalent inductance.
Claims (2)
1. a supertension line controlled reactor in parallel is characterized in that: comprising: controlled reactor (1), direct current magnetic assist thyristor (2), fly-wheel diode (3); Controlled reactor (1) is a kind of direct current saturable reactor; The middle main iron core post of controlled reactor (1) is divided into two, and winds respectively with upper and lower two windings, mid portion interconnection; There is centre tap in winding, be connected to the direct current magnetic assist thyristor (2) of two symmetric arrangement in the tap, fly-wheel diode (3) is across on the intersection end points of reactor division stem stem winding, and the middle part of the main iron core post of controlled reactor (1) is provided with a section.
2. reactor according to claim 1 is characterized in that: the sectional area of described section for the main iron core column section long-pending 1/3rd.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202230267U CN201504104U (en) | 2009-10-09 | 2009-10-09 | Parallel controllable reactor of ultra-high-voltage line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202230267U CN201504104U (en) | 2009-10-09 | 2009-10-09 | Parallel controllable reactor of ultra-high-voltage line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201504104U true CN201504104U (en) | 2010-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202230267U Expired - Lifetime CN201504104U (en) | 2009-10-09 | 2009-10-09 | Parallel controllable reactor of ultra-high-voltage line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201504104U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136728A (en) * | 2011-01-21 | 2011-07-27 | 山东大学 | Flexible combiner and control method thereof |
| CN104348171A (en) * | 2013-08-05 | 2015-02-11 | 青岛菲特电器科技有限公司 | Ultra-high-voltage-line parallel-connection controllable reactor |
-
2009
- 2009-10-09 CN CN2009202230267U patent/CN201504104U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136728A (en) * | 2011-01-21 | 2011-07-27 | 山东大学 | Flexible combiner and control method thereof |
| CN102136728B (en) * | 2011-01-21 | 2013-04-03 | 山东大学 | Flexible combiner and control method thereof |
| CN104348171A (en) * | 2013-08-05 | 2015-02-11 | 青岛菲特电器科技有限公司 | Ultra-high-voltage-line parallel-connection controllable reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NORTH CHINA POWER SCIENCE RESEARCH INST., CO., LTD Effective date: 20131112 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Ke Inventor after: Yin Zhongdong Inventor after: Wu Linlin Inventor after: Wang Haojing Inventor before: Li Ke Inventor before: Yin Zhongdong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI KE YIN ZHONGDONG TO: LI KE YIN ZHONGDONG WU LINLIN WANG HAOJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131112 Address after: 102206 Beijing, Changping District, Zhu Xin, North China Electric Power University Patentee after: North China Electric Power University Patentee after: North China Electrical Power Research Institute LLC Address before: 102206 Beijing, Changping District, Zhu Xin, North China Electric Power University Patentee before: North China Electric Power University |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100609 |
|
| CX01 | Expiry of patent term |