CN201994681U - High-voltage still reactive dynamic compensating device - Google Patents
High-voltage still reactive dynamic compensating device Download PDFInfo
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- CN201994681U CN201994681U CN2011201094879U CN201120109487U CN201994681U CN 201994681 U CN201994681 U CN 201994681U CN 2011201094879 U CN2011201094879 U CN 2011201094879U CN 201120109487 U CN201120109487 U CN 201120109487U CN 201994681 U CN201994681 U CN 201994681U
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- loop
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- capacitive
- thyristor
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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 provides a high-voltage still reactive dynamic compensating device, which belongs to a device for improving the electric energy, inhibiting harmonics and improving the power factor in a transmission and distribution network and comprises an inductive loop and a capacitive loop in parallel connection, wherein the inductive loop adopts a thyristor control reactor (TCR) and/or a thyristor switching capacitor (TSC), and the capacitive loop adopts a fixed capacitor group or a filter group (FC). Compared with the prior art, the high-voltage still reactive dynamic compensating device has the advantages that: 1, for a transmission system, the continuous dynamic precise system voltage regulation is realized, the system stability is improved, the system damping is enhanced, the oscillation is inhibited, the system safety is improved, the secondary net loss is obviously reduced, and the active transmission capability is obviously improved; and 2, for a distribution system, the power factor is improved, the net loss is reduced, the harmonic interference caused by non-linear loads is reduced, three-phase loads are balanced, the negative sequence voltage fluctuation and flickering is reduced, and the electric energy quality and the production efficiency are improved.
Description
Technical field
The utility model belongs to the device that improves electric energy, inhibition harmonic wave in the transmission and distribution networks, improves power factor.
Background technology
Energy-saving and cost-reducing is an important ring of building a conservation-minded society, realize sustainable economic development.In electric power system, along with being extensive use of of inductive loads such as transformer and alternating current motor, a large amount of perceptual reactive currents is often flowing in the power supplying and distributing equipment of electric power system.These reactive currents take a large amount of power supplying and distributing equipment capacity, have increased circuit simultaneously and have carried electric current, thereby increased feeder circuit loss, and power equipment is not fully utilized.As one of way of dealing with problems, adopt reactive power compensation device exactly, reactive power in-situ is compensated, reduce as far as possible or do not take the power supplying and distributing equipment capacity, improve the utilization ratio of equipment.Modal way adopts the capacitor group to provide capacitive current that inductive current is recompensed exactly, to improve power factor.At present, in distribution system, generally used low-voltage capacitance to concentrate autocompensation installation, low-voltage reactive power power is compensated on the spot.And in high-pressure system, using many compensation at present still is traditional fixed Electric capacity compensation device, therefore problems such as there is poor safety performance in compensation way, compensation precision is low and labour intensity is big need a kind of compensation arrangement more safe and reliable, that compensation precision is higher, automatization level is higher to select for use for design.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of brand-new compensation way, more safe and reliable, compensation precision is higher, automatization level is higher high voltage static Reactive Compensation Device of adopting.
The technical solution of the utility model is: comprise in parallel perceptual loop and capacitive loop, thyristor-controlled reactor TCR is adopted in its perceptual loop or/and thyristor switchable capacitor TSC, and fixed capacitor group or bank of filters FC are adopted in the capacitive loop.
The perception of described parallel connection and capacitive two big loops, wherein at least one loop is a dynamic loop.
Described dynamic loop is thyristor-controlled reactor TCR or and thyristor switchable capacitor TSC.
The utility model is a kind of safe and reliable, compensation precision is higher, automatization level is higher compensation arrangement.The utility model is applied to power transmission network can change its idle exerting oneself fast, for electric power system provides dynamic reactive power supply, regulating system voltage; Supply power voltage is compensated to a reasonable level, and the ability to transmit electricity of increase circuit and reinforcement are to the damping and the inhibition synchronized oscillation of low-frequency oscillation; In addition, high voltage static Reactive Compensation Device GZSVC exerts oneself by dynamic adjustments is idle, and the busbar voltage that causes when suppressing the operation of fluctuation impact load changes, and helps transient voltage and recovers, and the maintenance level of system voltage is provided.When the utility model is applied to power distribution network, can effectively control reactive power as industrial cousumers such as electric railway, metallurgy, improve power factor, reduce caused voltage influence of nonlinear-load and Harmonic Interference, make three-phrase burden balanceization, improve the quality of power supply, improve user's production work efficiency, improve the quality of products and cut down the consumption of energy.
Compared with prior art, advantage of the present utility model is: 1, transmission system: realize continuously dynamically accurate system voltage adjustment; Improve the stability of a system; The enhanced system damping suppresses vibration; Improve security of system; Obviously reduce the secondary network loss; Significantly improve meritorious conveying capacity.2, distribution system: improve power factor; Reduce network loss; Suppress the caused Harmonic Interference of nonlinear-load; Make three-phrase burden balanceization; Reduce negative sequence voltage fluctuation and flickering; Improve the quality of power supply; Enhance productivity.
Description of drawings
The utility model is described in further detail below in conjunction with embodiment that accompanying drawing provides.
Accompanying drawing is circuit theory diagrams of the present utility model.
Embodiment
Among the figure, high voltage static Reactive Compensation Device GZSVC is made of the perception and the capacitive two big loops of parallel connection, and wherein at least one loop is a dynamic loop, can require to change fast its reactive power according to compensation.Perception loop employing thyristor-controlled reactor TCR and thyristor switchable capacitor TSC, TSC1, TSC2, TSC3 parallel connection, fixed capacitor group or bank of filters FC are adopted in the capacitive loop.Dynamic loop adopts thyristor-controlled reactor TCR and thyristor switchable capacitor TSC, TSC1, TSC2, TSC3 parallel connection usually.TSC is the classification switching, is controlled by phase angle unlike TCR, and appropriate cooperation TSC and TCR can the idle outputs of continuous control.
High voltage static Reactive Compensation Device GZSVC finishes by the TCR branch road idle continuous regulating power.The GZSVC device of the major loop TCR type of reactive power compensator mainly is made up of filter/capacitive branch.Wherein the TCR branch road possesses dynamic continuous reactive regulating power, but determines its idle output can only be perception by its inherent characteristic.The filter branch in parallel with it provides basic capacitive reactive power, and the GZSVC of TCR type can be possessed from capacitive to the interval idle regulating power of perception, but the TCR external characteristic is seen bank of filters harmonic waves that produce with system other loads of producing of filtering TCR self also simultaneously.
Claims (3)
1. high voltage static Reactive Compensation Device, it is characterized in that: comprise perceptual loop and capacitive loop in parallel, thyristor-controlled reactor TCR is adopted in its perceptual loop or/and thyristor switchable capacitor TSC, and fixed capacitor group or bank of filters FC are adopted in the capacitive loop.
2. high voltage static Reactive Compensation Device according to claim 1 is characterized in that: the perception of described parallel connection and capacitive two big loops, wherein at least one loop is a dynamic loop.
3. high voltage static Reactive Compensation Device according to claim 2 is characterized in that: described dynamic loop is that thyristor-controlled reactor TCR is or/and thyristor switchable capacitor TSC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201094879U CN201994681U (en) | 2011-04-14 | 2011-04-14 | High-voltage still reactive dynamic compensating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201094879U CN201994681U (en) | 2011-04-14 | 2011-04-14 | High-voltage still reactive dynamic compensating device |
Publications (1)
| Publication Number | Publication Date |
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| CN201994681U true CN201994681U (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201094879U Expired - Fee Related CN201994681U (en) | 2011-04-14 | 2011-04-14 | High-voltage still reactive dynamic compensating device |
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| CN (1) | CN201994681U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361326A (en) * | 2011-10-27 | 2012-02-22 | 株洲变流技术国家工程研究中心有限公司 | Negative-sequence governing device and method for test wire of motor train unit |
| CN102437580A (en) * | 2011-12-25 | 2012-05-02 | 西安福安创意咨询有限责任公司 | Reactive power capacitor compensator |
| CN107732928A (en) * | 2017-10-18 | 2018-02-23 | 国网山东省电力公司曲阜市供电公司 | The system and method for reducing line loss |
| EP3255748B1 (en) * | 2016-06-09 | 2019-06-19 | LSIS Co., Ltd. | Reactive power compensation system and method thereof |
-
2011
- 2011-04-14 CN CN2011201094879U patent/CN201994681U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361326A (en) * | 2011-10-27 | 2012-02-22 | 株洲变流技术国家工程研究中心有限公司 | Negative-sequence governing device and method for test wire of motor train unit |
| CN102361326B (en) * | 2011-10-27 | 2014-05-07 | 株洲变流技术国家工程研究中心有限公司 | Negative-sequence governing device and method for test wire of motor train unit |
| CN102437580A (en) * | 2011-12-25 | 2012-05-02 | 西安福安创意咨询有限责任公司 | Reactive power capacitor compensator |
| EP3255748B1 (en) * | 2016-06-09 | 2019-06-19 | LSIS Co., Ltd. | Reactive power compensation system and method thereof |
| CN107732928A (en) * | 2017-10-18 | 2018-02-23 | 国网山东省电力公司曲阜市供电公司 | The system and method for reducing line loss |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20140414 |