CN103618320A - Static synchronous reactive compensation device - Google Patents
Static synchronous reactive compensation device Download PDFInfo
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- CN103618320A CN103618320A CN201310612486.XA CN201310612486A CN103618320A CN 103618320 A CN103618320 A CN 103618320A CN 201310612486 A CN201310612486 A CN 201310612486A CN 103618320 A CN103618320 A CN 103618320A
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- cut switch
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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
- Y02E40/10—Flexible AC transmission systems [FACTS]
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Abstract
The invention discloses a static synchronous reactive compensation device and relates to the field of circuit protection. The static synchronous reactive compensation device comprises a circuit module and a heat dissipation module. A bus-bar clamp is arranged on the circuit module. The bus-bar clamp is connected with a switching switch through a wire. The switching switch is connected with a compensation circuit. An electric reactor is arranged between the switching switch and the compensation circuit. A fan of 35w-55w is arranged on the heat dissipation module. The static synchronous reactive compensation device is reasonable in structure, novel in technology, capable of saving materials, easy to popularize, good in reactive compensation effect and low in cost. According to the static synchronous reactive compensation device, a traditional SVC type reactive compensation circuit is changed, a new SVG bridge type compensation circuit is adopted, the compensation effect is better, the materials are saved, and the occupied space is reduced.
Description
Technical field
The present invention relates to circuit protection field, relate in particular to a kind of static synchronous reactive compensator
Technical background
Power equipment safety reliability is the important step that ultra-large power transmission and distribution and power grid security ensure, especially China is in fast economic growth period, the power supply load of national grid increases day by day, in lasting expansion power supply, brings a series of safety problem to electrical network electric equipment simultaneously.For avoiding as much as possible all kinds of electric power accidents, guarantee that the task of stable operation of electric power system is very arduous.
Tradition reactive power compensator is because structure is single, device discharge is fixing, single device capacity is little, cannot accomplish flexibly, arbitrarily increase and decrease capacity, to adapt to the original compensation capacity deficiency causing because of self-growth increase equipment by electric unit, need on existing compensation equipment, increase the requirement of capacity, it is the SVC device of representative that traditional static compensation circuit adopts TCR more, and the governing speed of SVC is slow, and the response time is long, range of operation is limited, and in electric current, the very difficult of harmonic wave is eliminated.The more important thing is, the reactor using in SVC and capacity cell are all very large, thereby make the cost of compensation arrangement high, and volume is large, reactive power compensation device for capacitor as described in application number 2007.12.19, wherein for the electric capacity in circuit, according to 25%, 50% of total capacity, carry out proportioning, so just require special large for the capacity of electric capacity.
Summary of the invention
The object of the invention is to disclose a kind of static synchronous reactive compensator, to solve the deficiency existing in existing issue.
A kind of static synchronous reactive compensator, comprise circuit module and radiating module, described circuit module is provided with bus clip described in bus clip and is connected with fling-cut switch by wire, described fling-cut switch is connected with compensating circuit, between described fling-cut switch and compensating circuit, be provided with reactor, described radiating module is provided with the blower fan of 35w-55w.
Preferably, the voltage range that described bus clip end is corresponding is 0.4KV～1.2KV.
Preferably, between described bus clip and fling-cut switch, be provided with clamp-on fuse.
Preferably, described fling-cut switch is HLWK type thyristor switch.
Preferably, described compensating circuit is SVG voltage-type bridge circuit.
Beneficial effect of the present invention, rational in infrastructure, technology is novel, economize on material, be easy to promote, the idle benefit of repaying is effective, with low cost, change traditional SVC formula reactive power compensation circuit, adopt new SVG bridge-type compensating circuit, compensation effect is better, and saving material, take up room with minimizing, circuit module is the core of this device, for circuit under bus provides reactive power compensation, radiating module object is as circuit module cooling, guarantee the safe and reliable operation of circuit module, circuit module is provided with bus clip, facilitate the wiring of reactive power compensator and bus, bus clip is connected with fling-cut switch, fling-cut switch auto-closing when circuit needs reactive power compensation, thereby allow whole compensation arrangement provide reactive power compensation for whole circuit, fling-cut switch has compensation arrangement, it is the core of circuit module, when fling-cut switch is connected, voltage-type bridge-type compensating circuit will move, needed reactive power compensation is provided to whole circuit, between described fling-cut switch and compensating circuit, be provided with reactor, in order to eliminate the harmonic wave existing in circuit, radiating module is provided with appropriate power and divides blower fan to circuit module, to lower the temperature in time, guarantee the steady operation of circuit, so this reactive power compensator is the low-voltage compensation scope of application is 0.4KV～1.2KV, between bus clip and fling-cut switch, be provided with clamp-on fuse, clamp-on fuse is convenient to be installed, before fling-cut switch, be provided with fuse simultaneously and can protect itself and the safety of following structure under large electric current, prevent that circuit from being burnt, described fling-cut switch is HLWK type thyristor switch, thyristor has with little electric current (voltage) controls large electric current (voltage) effect, and volume is little, gently, low in energy consumption, efficiency is high, the advantages such as switch is rapid, described compensating circuit is SVG voltage-type bridge circuit, large bulk capacitance without traditional capacitor formula reactive power compensation circuit, when young a lot of at volume, the circuit only being formed by semiconductor, cost is low, it has the effect of filtering, compared with current bridge type circuit, also not be used in and in circuit, remove to seal in any electric capacity.
Accompanying drawing explanation
The structural representation of a kind of static synchronous reactive compensator of Fig. 1 the present invention
A kind of static synchronous reactive compensator SVG of Fig. 2 the present invention voltage-type bridge circuit figure
1-circuit module wherein, 2-radiating module, 3-bus clip, 4-fling-cut switch, 5-compensating circuit, 6-reactor, 7-blower fan, 8-clamp-on fuse.
Specific embodiments
A kind of static synchronous reactive compensator, comprise circuit module 1 and radiating module 2, circuit module is the core of this device, for circuit under bus provides reactive power compensation, radiating module 2 objects are as circuit module 1 cooling, guarantee the safe and reliable operation of circuit module 1, described circuit module 1 is provided with bus clip 3, facilitate the wiring of reactive power compensator and bus, described bus clip 3 is connected with fling-cut switch 4 by wire, fling-cut switch 4 auto-closings when circuit needs reactive power compensation, thereby allow whole compensation arrangement provide reactive power compensation for whole circuit, described fling-cut switch 4 is connected with compensating circuit 5, compensating circuit 5, it is the core of circuit module 1, when fling-cut switch 4 is connected, voltage-type bridge-type compensating circuit 5 will move, provide described in needed reactive power compensation to whole circuit and be provided with reactor 6 between fling-cut switch 4 and compensating circuit 5, in order to eliminate the harmonic wave existing in circuit, described radiating module 2 is provided with the blower fan 7 of 35w-55w, being provided with appropriate power divides blower fan 7 to circuit module 1, to lower the temperature in time, guarantee the steady operation of circuit.
Voltage range corresponding to described bus clip 3 ends is 0.4KV～1.2KV, is the applicable voltage of this device.
It should be noted that between described bus clip 3 and fling-cut switch 4 and be provided with clamp-on fuse 8; clamp-on fuse is convenient to be installed; before fling-cut switch, be provided with fuse simultaneously and can protect itself and the safety of following structure under large electric current, prevent that circuit from being burnt.
In the present embodiment, described fling-cut switch 4 is HLWK type thyristor switch, thyristor has with little electric current (voltage) controls large electric current (voltage) effect, and the advantage such as volume is little, light, low in energy consumption, efficiency is high, switch is rapid, described compensating circuit 5 is SVG voltage-type bridge circuit, large bulk capacitance without traditional capacitor formula reactive power compensation circuit, when young a lot of at volume, the circuit only being formed by semiconductor, cost is low, it has the effect of filtering, compared with current bridge type circuit, also not be used in and in circuit, removes to seal in any little electric capacity.
Based on the present invention described above, rational in infrastructure, technology is novel, economize on material, be easy to promote, the idle benefit of repaying is effective, with low cost, change traditional SVC formula reactive power compensation circuit, adopt new SVG bridge-type compensating circuit, compensation effect is better, and saving material, take up room with minimizing, circuit module is the core of this device, for circuit under bus provides reactive power compensation, radiating module object is as circuit module cooling, guarantee the safe and reliable operation of circuit module, circuit module is provided with bus clip, facilitate the wiring of reactive power compensator and bus, bus clip is connected with fling-cut switch, fling-cut switch auto-closing when circuit needs reactive power compensation, thereby allow whole compensation arrangement provide reactive power compensation for whole circuit, fling-cut switch has compensation arrangement, it is the core of circuit module, when fling-cut switch is connected, voltage-type bridge-type compensating circuit will move, needed reactive power compensation is provided to whole circuit, between described fling-cut switch and compensating circuit, be provided with reactor, in order to eliminate the harmonic wave existing in circuit, radiating module is provided with appropriate power and divides blower fan to circuit module, to lower the temperature in time, guarantee the steady operation of circuit.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Change within the scope of the present invention all or within being equal to scope of the present invention is all included in the invention.
Claims (5)
1. a static synchronous reactive compensator, comprise circuit module and radiating module, it is characterized in that: described circuit module is provided with bus clip, described bus clip is connected with fling-cut switch by wire, described fling-cut switch is connected with compensating circuit, between described fling-cut switch and compensating circuit, be provided with reactor, described radiating module is provided with the blower fan of 35w-55w.
2., described in requiring according to right 1, a kind of static synchronous reactive compensator, is characterized in that: the voltage range that described bus clip end is corresponding is 0.4KV～1.2KV.
3., described in requiring according to right 1, a kind of static synchronous reactive compensator, is characterized in that: between described bus clip and fling-cut switch, be provided with clamp-on fuse.
4., described in requiring according to right 1, a kind of static synchronous reactive compensator, is characterized in that: described fling-cut switch is HLWK type thyristor switch.
5., described in requiring according to right 1, a kind of static synchronous reactive compensator, is characterized in that: described compensating circuit is SVG voltage-type bridge circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310612486.XA CN103618320A (en) | 2013-11-25 | 2013-11-25 | Static synchronous reactive compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310612486.XA CN103618320A (en) | 2013-11-25 | 2013-11-25 | Static synchronous reactive compensation device |
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| Publication Number | Publication Date |
|---|---|
| CN103618320A true CN103618320A (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310612486.XA Pending CN103618320A (en) | 2013-11-25 | 2013-11-25 | Static synchronous reactive compensation device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6075350A (en) * | 1998-04-24 | 2000-06-13 | Lockheed Martin Energy Research Corporation | Power line conditioner using cascade multilevel inverters for voltage regulation, reactive power correction, and harmonic filtering |
| CN200947546Y (en) * | 2006-06-06 | 2007-09-12 | 粟时平 | Low-voltage three-phase static reactive synchronous compensator |
| CN201536265U (en) * | 2009-10-09 | 2010-07-28 | 许继集团有限公司 | Megavar grade chain type static synchronous compensator based on IGBT |
| CN103354360A (en) * | 2013-05-28 | 2013-10-16 | 环宇集团（南京）有限公司 | Low-voltage complete reactive power compensation device |
-
2013
- 2013-11-25 CN CN201310612486.XA patent/CN103618320A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6075350A (en) * | 1998-04-24 | 2000-06-13 | Lockheed Martin Energy Research Corporation | Power line conditioner using cascade multilevel inverters for voltage regulation, reactive power correction, and harmonic filtering |
| CN200947546Y (en) * | 2006-06-06 | 2007-09-12 | 粟时平 | Low-voltage three-phase static reactive synchronous compensator |
| CN201536265U (en) * | 2009-10-09 | 2010-07-28 | 许继集团有限公司 | Megavar grade chain type static synchronous compensator based on IGBT |
| CN103354360A (en) * | 2013-05-28 | 2013-10-16 | 环宇集团（南京）有限公司 | Low-voltage complete reactive power compensation device |
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Application publication date: 20140305 |