CN201667540U - Electromagnetic reactance dynamic reactive compensation device - Google Patents

Electromagnetic reactance dynamic reactive compensation device Download PDF

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Publication number
CN201667540U
CN201667540U CN2010201296950U CN201020129695U CN201667540U CN 201667540 U CN201667540 U CN 201667540U CN 2010201296950 U CN2010201296950 U CN 2010201296950U CN 201020129695 U CN201020129695 U CN 201020129695U CN 201667540 U CN201667540 U CN 201667540U
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electrically connected
assembly
output
low
isolating switch
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CN2010201296950U
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Chinese (zh)
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戴伟
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XINJIANG URUMQI HOPE ELECTRONIC CO Ltd
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XINJIANG URUMQI HOPE ELECTRONIC CO Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/40Arrangements for reducing harmonics

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Abstract

The utility model discloses an electromagnetic reactance dynamic reactive compensation device comprising a 10KV bus-bar, a first isolation switch, a first low-voltage circuit breaker, a sixth isolation switch, a primary capacitor assembly, a magnet-controlled reactance assembly and a dynamic reactive compensation assembly, wherein the 10KV side of the 10KV bus-bar is sequentially connected in series with the first isolation switch, the first low-voltage circuit breaker, the sixth isolation switch, the magnet-controlled reactance assembly and the dynamic reactive compensation assembly; the primary capacitor assembly comprises a first capacitor branch and a second capacitor branch which have the same structure; the first capacitor branch is connected in parallel with the second capacitor branch; and the first capacitor branch and the second capacitor branch are electrically connected with the common terminal of the first low-voltage circuit breaker and the sixth isolation switch simultaneously. In the utility model, the electromagnetic reactance dynamic reactive compensation device has the advantages that the circuit structure is reasonable, and the electric network voltage has good quality, is stable and has good safety.

Description

A kind of electromagnetism reactance dynamic reactive compensation device
Technical field
The utility model relates to reactive power compensation technology in the electrical network, particularly, relates to a kind of electromagnetism reactance dynamic reactive compensation device.
Background technology
Along with increasing rapidly of Chinese national economy, to produce, the rolling up of household electricity, social energy consumption sharply rises, and power saving has become at present long-range strategy and policy of economy and social development both at home and abroad.
Because power load increases sharply in the electrical network; grid supply quality is descended greatly; electric current, voltage fluctuation amplitude rise; when running into heavy load start-stop or fault; of short duration voltage flicker can occur, fall, phenomenon such as instantaneous interruption; so that influence the voltage stabilizing power of electrical network, threaten grid voltage quality.
As seen, have at least in the prior art that circuit structure is unreasonable, grid voltage quality is poor, line voltage is unstable and defective such as poor stability.Therefore, must suppress effectively supply power voltage flickering, fall, phenomenon such as instantaneous interruption, thereby reactive power compensation technology in the electrical network is proposed new requirement.
Summary of the invention
The purpose of this utility model is, at the problems referred to above, proposes a kind of electromagnetism reactance dynamic reactive compensation device, with the advantage that realizes that circuit structure is reasonable, grid voltage quality good, the line voltage stability and security is good.
For achieving the above object, the technical solution adopted in the utility model is: a kind of electromagnetism reactance dynamic reactive compensation device, comprise 10KV bus, first isolating switch, first low-voltage circuit breaker, the 6th isolating switch, former capacitor assembly, magnet controlled reactor assembly and dynamic passive compensation assembly, wherein:, be in series with first isolating switch, first low-voltage circuit breaker, the 6th isolating switch, magnet controlled reactor assembly and dynamic passive compensation assembly successively in the 10KV of described 10KV bus side; Described former capacitor assembly comprises the first capacitor branch road and the second capacitor branch road with same structure, and the described first capacitor branch road is in parallel with the second capacitor branch road, be electrically connected to the common port of first low-voltage circuit breaker and the 6th isolating switch simultaneously.
Further; described magnet controlled reactor assembly comprises controllable impedance, crosses under voltage protection circuit, regulating compensation circuit and the 3rd pushing member; wherein: first stiff end of described controllable impedance closes the contact with often starting of the 6th isolating switch and is electrically connected; second stiff end is electrically connected with the middle axle head of the 3rd pushing member, and under voltage protection circuit, regulating compensation circuit and dynamic passive compensation electrical component are connected successively with excessively in the adjustable side.
Further; the described under voltage protection circuit of crossing comprises surge restraining unit, sampling relatively control unit and a plurality of output AC low-voltage circuit breaker; wherein: the input of described surge restraining unit is electrically connected with the adjustable side of controllable impedance, output successively with sampling relatively control unit and a plurality of output AC low-voltage circuit breaker be electrically connected, often the starting of described a plurality of output AC low-voltage circuit breakers closed the contact and is electrically connected with the respective input of dynamic passive compensation assembly.
Further, described sampling comparison control unit comprises the temperature detection probe, the voltage detecting probe, the current detecting probe, analog to digital converter, real-time detector, microcomputer, driver, the control bypass, output detector and power take off, wherein: described temperature detection probe, the sampling input of voltage detecting probe and current detecting probe all is electrically connected with the output of surge restraining unit, the sampling output all be electrically connected with the input of analog to digital converter, the output of analog to digital converter successively with real-time detector, microcomputer, driver and control bypass are electrically connected; One end of described control bypass is electrically connected with a plurality of output AC low-voltage circuit breakers, the other end is electrically connected with power take off, and described power take off also is electrically connected with driver and output detector respectively, and described output detector is electrically connected with real-time detector again.
Further, the described first capacitor branch road comprises second isolating switch, second low-voltage circuit breaker, the 3rd isolating switch, first electric capacity and first pushing member, and wherein: often the starting of described second isolating switch closed contact in turn and be electrically connected with first pushing member with second low-voltage circuit breaker, the 3rd isolating switch, first electric capacity.
Further, described dynamic passive compensation assembly comprises power factor compensation unit, synchroballistic unit, active power filtering unit, threephase load balancing unit and transition filter element, wherein: the respective input of described power factor compensation unit, synchroballistic unit, active power filtering unit and threephase load balancing unit is electrically connected with the output of regulating compensation circuit respectively, and corresponding output end is electrically connected with the transition filter element respectively.
The electromagnetism reactance dynamic reactive compensation device of each embodiment of the utility model, owing to comprise 10KV bus, first isolating switch, first low-voltage circuit breaker, the 6th isolating switch, former capacitor assembly, magnet controlled reactor assembly and dynamic passive compensation assembly, wherein:, be in series with first isolating switch, first low-voltage circuit breaker, the 6th isolating switch, magnet controlled reactor assembly and dynamic passive compensation assembly successively in the 10KV of 10KV bus side; Former capacitor assembly comprises the first capacitor branch road and the second capacitor branch road with same structure, and the first capacitor branch road is in parallel with the second capacitor branch road, be electrically connected to the common port of first low-voltage circuit breaker and the 6th isolating switch simultaneously; The magnet controlled reactor assembly can be realized the continuous fine compensation of reactive power, remedies the defective of former capacitor assembly grading compensation, helps improving the power supply quality of electrical network; Circuit structure is unreasonable in the prior art, grid voltage quality is poor, line voltage is unstable and the defective of poor stability thereby can overcome, with the advantage that realizes that circuit structure is reasonable, grid voltage quality good, the line voltage stability and security is good.
Other features and advantages of the utility model will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the utility model.The purpose of this utility model and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, and constitutes the part of specification, is used from explanation the utility model with embodiment one of the present utility model, does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the circuit theory schematic diagram according to the utility model electromagnetism reactance dynamic reactive compensation device;
Fig. 2 is according to the operation principle schematic diagram of crossing the under voltage protection circuit in the utility model electromagnetism reactance dynamic reactive compensation device;
Fig. 3 is the operation principle schematic diagram that compares control unit according to sampling in the utility model electromagnetism reactance dynamic reactive compensation device;
Fig. 4 is the operation principle schematic diagram according to dynamic passive compensation assembly in the utility model electromagnetism reactance dynamic reactive compensation device;
Fig. 5 is the control principle schematic diagram according to the utility model electromagnetism reactance dynamic reactive compensation device.
In conjunction with the accompanying drawings, Reference numeral is as follows among the utility model embodiment:
The 1-10KV bus; The former capacitor assembly of 2-; 3-magnet controlled reactor assembly; 31-crosses the under voltage protection circuit; The 311-surge restraining unit; The 312-sampling is control unit relatively; 3120-temperature detection probe; 3121-voltage detecting probe; 3122-current detecting probe; The 3123-analog to digital converter; The 3124-real-time detector; The 3125-microcomputer; The 3126-driver; 3127-controls bypass; The 3128-output detector; The 3129-power take off; The 3131-first output AC low-voltage circuit breaker; 313N-N output AC low-voltage circuit breaker; 32-regulating compensation circuit; 4-dynamic passive compensation assembly; 41-power factor compensation unit; 42-synchroballistic unit; 43-active power filtering unit; 44-threephase load balancing unit; 45-transition filter element.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in qualification the utility model.
According to the utility model embodiment, provide a kind of electromagnetism reactance dynamic reactive compensation device.As Fig. 1-shown in Figure 5, present embodiment comprises 10KV bus 1, the first isolating switch QS1, the first low-voltage circuit breaker QF1, the 6th isolating switch QS6, former capacitor assembly 2, magnet controlled reactor assembly 3 and dynamic passive compensation assembly 4, wherein:, be in series with the first isolating switch QS1, the first low-voltage circuit breaker QF1, the 6th isolating switch QS6, magnet controlled reactor assembly 3 and dynamic passive compensation assembly 4 successively in the 10KV of 10KV bus 1 side; Former capacitor assembly 2 comprises the first capacitor branch road and the second capacitor branch road with same structure, and the first capacitor branch road is in parallel with the second capacitor branch road, be electrically connected to the common port of the first low-voltage circuit breaker QF1 and the 6th isolating switch QS6 simultaneously.
Here, former capacitor group 2 by transformer station, magnet controlled reactor (being MCR) assembly 3 and dynamic passive compensation assembly 4 can realize idle adjustable continuously of capacitive and perception, and it are little to produce harmonic wave, have and be easy to safeguard that cost is low, floor space is little, reliability high-technology advantage; Wherein, MCR assembly 3 can be realized the continuous fine compensation of reactive power, remedies the shortcoming of former capacitor assembly 2 grading compensations well, greatly improves grid supply quality.Particularly, the former capacitor assembly 2 of MCR assembly 3 and transformer station is connected in parallel on the 10KV side of 10kV bus 10KV bus 1, by the Comprehensive Control to MCR assembly 3 and former capacitor assembly 2, can realize the idle continuous adjusting that is up to the perception maximum from capacitive; When the load reactive current changes, change the controllable silicon trigger angle of MCR assembly 3, change like this and flow through the size of current of controlled reactor, thereby voltage or the power factor that can keep transformer station are constant.
Further; in the above-described embodiments; the magnet controlled reactor assembly comprises controllable impedance, crosses under voltage protection circuit 31, regulating compensation circuit 32 and the 3rd pushing member; wherein: first stiff end of controllable impedance closes the contact with often starting of the 6th isolating switch and is electrically connected; second stiff end is electrically connected with the middle axle head of the 3rd pushing member, and under voltage protection circuit 31, regulating compensation circuit 32 and dynamic passive compensation assembly 4 are electrically connected successively with excessively in the adjustable side.
Further; in the above-described embodiments; cross under voltage protection circuit 31 and comprise surge restraining unit 311, sampling relatively control unit 312 and a plurality of output AC low-voltage circuit breakers; wherein: the input of surge restraining unit 311 is electrically connected with the adjustable side of controllable impedance, output successively with sampling relatively control unit 312 and a plurality of output AC low-voltage circuit breaker be electrically connected, often the starting of a plurality of output AC low-voltage circuit breakers closed the contact and is electrically connected with the respective input of dynamic passive compensation assembly 4.
Further, in the above-described embodiments, sampling relatively control unit 312 comprises temperature detection probe 3120, voltage detecting probe 3121, current detecting probe 3122, analog to digital converter 3123, real-time detector 3124, microcomputer 3125, driver 3126, control bypass 3127, output detector 3128 and power take off 3129, wherein: temperature detection probe 3120, the sampling input of voltage detecting probe 3121 and current detecting probe 3122 all is electrically connected with the output of surge restraining unit 311, the sampling output all be electrically connected with the input of analog to digital converter 3123, the output of analog to digital converter 3123 successively with real-time detector 3124, microcomputer 3125, driver 3126 and control bypass 3127 are electrically connected; One end of control bypass 3127 is electrically connected with a plurality of output AC low-voltage circuit breakers, the other end is electrically connected with power take off 3129, power take off 3129 also is electrically connected with driver 3126 and output detector 3128 respectively, and output detector 3128 is electrically connected with real-time detector 3124 again.Here, a plurality of output AC low-voltage circuit breakers are as the first output AC low-voltage circuit breaker, 3131, the N output AC low-voltage circuit breaker 313N.
Further, in the above-described embodiments, the first capacitor branch road comprises the second isolating switch QS2, the second low-voltage circuit breaker QF2, the 3rd isolating switch QS3, first capacitor C 1 and the first pushing member T1, and wherein: often the starting of the second isolating switch QS2 closed contact in turn and be electrically connected with the first pushing member T1 with the second low-voltage circuit breaker QF2, the 3rd isolating switch QS3, first capacitor C 1.
In like manner, the second capacitor branch road comprises the 4th isolating switch QS4, the 3rd low-voltage circuit breaker QF3, the 5th isolating switch QS6, second capacitor C 2 and the second pushing member T2, and wherein: often the starting of the 4th isolating switch QS4 closed contact in turn and be electrically connected with the second pushing member T2 with the 3rd low-voltage circuit breaker QF3, the 5th isolating switch QS5, second capacitor C 2.
Further, in the above-described embodiments, dynamic passive compensation assembly 4 comprises power factor compensation unit 41, synchroballistic unit 42, active power filtering unit 43, threephase load balancing unit 44 and transition filter element 45, wherein: the respective input of power factor compensation unit 41, synchroballistic unit 42, active power filtering unit 43 and threephase load balancing unit 44 is electrically connected with the output of regulating compensation circuit 32 respectively, and corresponding output end is electrically connected with transition filter element 45 respectively.
Here, by power factor compensation unit 41, the dynamically variation of follow current waveform makes current waveform and voltage waveform overlapping as far as possible by real-time regulated, thereby power factor is promoted greatly; Transition filter element 45 is a built-in element, the effective filterings of interference noise such as the transition that can produce power network current, surge, spike, and to electric voltage dropping, sink, wave distortion such as harmonic wave effectively corrects, thereby effectively improve the electric power quality, improve power supply quality.Like this, help effectively improving the power consumption efficiency of transformer station's electric power system, reduce running current, thereby reduce line loss greatly; And circuit heating phenomenon is effectively improved, and the fail safe of using electricity system effectively improves.
In addition, by MCR assembly 3 and dynamic passive compensation assembly 4, but can realize that capacitive and the idle continuous conditioning technology of perception arrive network system; Cooperate synchroballistic unit 42, active power filtering unit 43 and threephase load balancing unit 44, can realize reactive power continuously, fast, multiple functions such as synchroballistic, active power filtering, balanced three-phase load, elimination voltage flicker and voltage fluctuation, improve grid voltage quality effectively, improve the safety and stability and the economic operation level of electrical network, and be easy to safeguard, cost is low, reliability is high.
In the above-described embodiments, the former capacitor assembly 2 of MCR assembly 3 and transformer station is connected in parallel on the 10kV side of 10KV bus 1, by the Comprehensive Control to MCR assembly 3 and former capacitor assembly 2, can realize that reactive power is up to the maximum continuous adjusting of perception from capacitive.Wherein, when the load reactive current changes, change the controllable silicon trigger angle of MCR assembly 3, just can change the size of current that flows through MCR assembly 3, thereby voltage or the power factor that can keep transformer substation system are constant; When load is low, power factor reduces because of reactive power is superfluous, at this moment, electromagnetism reactance dynamic reactive compensation device is after excising former capacitor assembly 2 automatically, regulate the controllable silicon trigger angle of MCR assembly 3, increase the output capacity of MCR assembly 3, the reactive power of surplus in the balance transformer substation system, thereby the power factor that makes transformer substation system remains in the acceptable ranges, and vice versa; And, but systems stabilisation voltage, effectively reduce the on load tap changer action frequency, improve the stability of a system, can solve equipment complexity in the prior art, investment problem such as big, difficult in maintenance, have that it is simple in structure, cost is low, a reliable operation, fast, the reliability advantages of higher of dynamic compensation response speed.
In Fig. 2, shown the adjusting situation of MCR assembly 3 when Umax, Umin are respectively the upper and lower limit of setting voltage.Wherein, Qd is a lower limit of owing idle, but current idle during greater than this value system need compensating reactive power; Qo was idle lower limit, but current idle during less than this value system need absorb superfluous idle; DU is that reactor changes the voltage minor fluctuations value that angle causes.
Wherein, above-mentioned control adopts voltage preferential, takes into account idlely, and execution action in concrete each district is as follows:
(1) 0 district: do not control;
(2) 1 districts: increase the controllable silicon trigger angle of MCR assembly 3, reduce the idle output of MCR assembly 3, increase capacitive reactive power; If trigger angle is regulated to the end, then throw electric capacity;
(3) 2 districts: increase the controllable silicon trigger angle of MCR assembly 3, reduce the idle output of MCR assembly 3, increase capacitive reactive power; If trigger angle is regulated to the end, then throw electric capacity; As do not have electric capacity and throw, then boost;
(4) 3 districts: boost,, increase trigger angle, reduce the idle output of MCR, increase capacitive reactive power if gear has arrived extreme value place; If trigger angle is regulated to the end, throw electric capacity by force;
(5) 4 districts: reduce the controllable silicon trigger angle of MCR assembly 3, increase the idle output of MCR assembly 3, reduce the capacitive reactive power compensation; If trigger angle is regulated to the end, the excision capacitor;
(6) 5 districts: reduce the MCR trigger angle, increase idle output, reduce the capacitive reactive power compensation; If trigger angle is regulated to the end, the excision capacitor; If capacitorless can be cut, the potential drop that then upgrades is pressed;
(7) 6 districts: step-down; Arrived extreme value place as gear, reduced the controllable silicon trigger angle of MCR assembly 3, increased the idle output of MCR assembly 3, it is idle to increase perception; If trigger angle is regulated to the end, cut electric capacity.Here, MCR assembly 3 can be realized idle continuous fine compensation, has remedied the shortcoming of capacitor component level compensation well, has greatly improved grid supply quality.
As seen, on the basis of the former capacitor assembly 2 of transformer station, after increasing 3600kvar MCR assembly 3, both can realize the reactive power in-situ balance, the guaranteed output factor is in acceptability limit, but systems stabilisation voltage also effectively reduces the action frequency of on load tap changer, improves the stability of transformer substation system.Rule of thumb value is calculated as can be known, the MCR assembly 3 of 3600kvar, and maximum can make the voltage of transformer substation system reduce 121V, and a year integrated operation benefit is about 800,000 yuan, recoverable investment in 2 to 3 years.Like this, by realizing the continuous adjusting of reactive power from perception to capacitive, guarantee that using electricity system is idle qualified, improve power supply quality, can effectively suppress supply power voltage flickering, fall, phenomenon such as instantaneous interruption, improve power factor, reduce network loss, for enterprise creates good economic and social benefit.
In sum, the electromagnetism reactance dynamic reactive compensation device of each embodiment of the utility model has following beneficial effect:
(1) but adopt capacitive and the idle continuous conditioning technology of perception, in conjunction with unique dynamically variation of follow current waveform of power factor compensation unit 41, controllable silicon trigger angle by real-time regulated MCR assembly 3, change the size of current that flows through MCR assembly 3, the reactive power of surplus makes the system power factor remain on acceptable ranges in the balance sysmte;
(2) on the basis of the former capacitor assembly 2 of transformer station, increase 3600kvar MCR assembly 3, both can realize the reactive power in-situ balance, the guaranteed output factor is in acceptability limit, but systems stabilisation voltage also, effectively reduce the on load tap changer action frequency, improve the built-in magnet controlled reactor dedicated devices of the stability of a system and can produce the effective filterings of interference noise such as transition, surge, spike power network current;
(3) in adjusting economize on electricity net voltage power supply process automatically, it is little to produce harmonic wave;
(4) can realize that to line voltage capacitive and perception are idle adjustable continuously;
(5) intelligent degree height, circuit structure rationally are easy to safeguard that cost is low, floor space is little, the high outstanding advantage of reliability.
It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.

Claims (6)

1. an electromagnetism reactance dynamic reactive compensation device is characterized in that, comprises 10KV bus, first isolating switch, first low-voltage circuit breaker, the 6th isolating switch, former capacitor assembly, magnet controlled reactor assembly and dynamic passive compensation assembly, wherein:
In the 10KV of described 10KV bus side, be in series with first isolating switch, first low-voltage circuit breaker, the 6th isolating switch, magnet controlled reactor assembly and dynamic passive compensation assembly successively;
Described former capacitor assembly comprises the first capacitor branch road and the second capacitor branch road with same structure, and the described first capacitor branch road is in parallel with the second capacitor branch road, be electrically connected to the common port of first low-voltage circuit breaker and the 6th isolating switch simultaneously.
2. electromagnetism reactance dynamic reactive compensation device according to claim 1 is characterized in that, described magnet controlled reactor assembly comprises controllable impedance, crosses under voltage protection circuit, regulating compensation circuit and the 3rd pushing member, wherein:
First stiff end of described controllable impedance closes the contact with often starting of the 6th isolating switch and is electrically connected; second stiff end is electrically connected with the middle axle head of the 3rd pushing member, and under voltage protection circuit, regulating compensation circuit and dynamic passive compensation electrical component are connected successively with excessively in the adjustable side.
3. electromagnetism reactance dynamic reactive compensation device according to claim 2 is characterized in that, the described under voltage protection circuit of crossing comprises surge restraining unit, sampling relatively control unit and a plurality of output AC low-voltage circuit breaker, wherein:
The input of described surge restraining unit is electrically connected with the adjustable side of controllable impedance, output successively with sampling relatively control unit and a plurality of output AC low-voltage circuit breaker be electrically connected, often the starting of described a plurality of output AC low-voltage circuit breakers closed the contact and is electrically connected with the respective input of dynamic passive compensation assembly.
4. electromagnetism reactance dynamic reactive compensation device according to claim 3, it is characterized in that, described sampling comparison control unit comprises temperature detection probe, voltage detecting probe, current detecting probe, analog to digital converter, real-time detector, microcomputer, driver, control bypass, output detector and power take off, wherein:
The sampling input of described temperature detection probe, voltage detecting probe and current detecting probe all is electrically connected with the input of analog to digital converter with the output of the surge restraining unit output that is electrically connected, samples, and the output of analog to digital converter is successively with real-time detector, microcomputer, driver and control bypass and be electrically connected;
One end of described control bypass is electrically connected with a plurality of output AC low-voltage circuit breakers, the other end is electrically connected with power take off, and described power take off also is electrically connected with driver and output detector respectively, and described output detector is electrically connected with real-time detector again.
5. electromagnetism reactance dynamic reactive compensation device according to claim 1 is characterized in that, the described first capacitor branch road comprises second isolating switch, second low-voltage circuit breaker, the 3rd isolating switch, first electric capacity and first pushing member, wherein:
Often the starting of described second isolating switch closed contact in turn and is electrically connected with first pushing member with second low-voltage circuit breaker, the 3rd isolating switch, first electric capacity.
6. electromagnetism reactance dynamic reactive compensation device according to claim 1, it is characterized in that, described dynamic passive compensation assembly comprises power factor compensation unit, synchroballistic unit, active power filtering unit, threephase load balancing unit and transition filter element, wherein:
The respective input of described power factor compensation unit, synchroballistic unit, active power filtering unit and threephase load balancing unit is electrically connected with the output of regulating compensation circuit respectively, and corresponding output end is electrically connected with the transition filter element respectively.
CN2010201296950U 2010-03-12 2010-03-12 Electromagnetic reactance dynamic reactive compensation device Expired - Fee Related CN201667540U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102856932A (en) * 2012-09-25 2013-01-02 陈文根 System-voltage balancing and regulating system
CN103280818A (en) * 2013-05-31 2013-09-04 广东电网公司江门供电局 Transformer substation reactive voltage control method and system
CN104300549A (en) * 2014-08-13 2015-01-21 上海致维电气有限公司 Reactive power compensation device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102856932A (en) * 2012-09-25 2013-01-02 陈文根 System-voltage balancing and regulating system
CN103280818A (en) * 2013-05-31 2013-09-04 广东电网公司江门供电局 Transformer substation reactive voltage control method and system
CN103280818B (en) * 2013-05-31 2015-04-22 广东电网公司江门供电局 Transformer substation reactive voltage control method and system
CN104300549A (en) * 2014-08-13 2015-01-21 上海致维电气有限公司 Reactive power compensation device

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