CN107039986A - A kind of continuous quick compensator of reactive power - Google Patents
A kind of continuous quick compensator of reactive power Download PDFInfo
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- CN107039986A CN107039986A CN201710154497.6A CN201710154497A CN107039986A CN 107039986 A CN107039986 A CN 107039986A CN 201710154497 A CN201710154497 A CN 201710154497A CN 107039986 A CN107039986 A CN 107039986A
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- igct
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- reactive power
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
-
- 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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- Control Of Electrical Variables (AREA)
Abstract
The present invention relates to a kind of continuous quick compensator of reactive power.It includes, and electric capacity C is in parallel with controlled reactor L；Controlled reactor L includes：There are coil L1, L3 in a piece iron core column；There are coil L2, L4 in another iron core column；Coil L1, L4 have δ 1,2 two taps of δ respectively, and coil L1, L2 Same Name of Ends connect a terminal, and L1 different name end connects L4 Same Name of Ends, and L2 different name end connects L3 Same Name of Ends, and coil L3, L4 different name end connect another terminal；L1 δ 1, the taps of δ 2 connect L3 Same Name of Ends, Same Name of Ends of the taps of δ 2 through IGCT D5 connections L3 through IGCT D1, D3 respectively；L4 δ 1, the taps of δ 2 connect L2 different name end, different name end of the taps of δ 2 through IGCT D6 connections L3 through IGCT D2, D4 respectively；Diode D7 is also connected between coil L1, L2 different name end.
Description
Technical field
The present invention relates to power system T ＆ D Technology field, continuously quickly compensation is filled more particularly to a kind of reactive power
Put.
Background technology
Reactive power compensation device plays a part of to improve the power factor of power network in power supply system, and reduction power supply becomes
The loss of depressor and conveying circuit, improves power supplying efficiency, improves power supply environment.So reactive power compensation device is in power supply
An indispensable very important position is in system.Rational selection compensation device, can accomplish to greatest extent
The loss of power network is reduced, power grid quality is improved.Conversely, such as selection or improper use, are likely to result in electric power system, voltage wave
It is dynamic, the factors such as harmonic wave increase.
Electric capacity grouping switching can be to the quick compensation of reactive power.But, compensation of the electric capacity grouping switching to reactive power is
It is stepped, it is impossible to continuously adjust.Moreover, the switch of electric capacity grouping switching is typically unable to frequent operation.Electric capacity and magnetic control reactance
Device is in parallel, and reactive power Continuous Compensation can be achieved.But, existing magnet controlled reactor governing speed is too slow.Improve magnetic control reactance
The governing speed of device can realize the continuous quick regulation of reactive power.
The content of the invention
The purpose of the present invention is exactly to solve the above problems, providing a kind of reactive power continuous quick compensator.
To achieve the above object, the present invention in the following way：
It includes：Electric capacity C is in parallel with controlled reactor L；Controlled reactor L uses quick magnet controlled reactor；Quick magnetic control
Reactor includes：There are coil L1, coil L3 in a piece iron core column；There are coil L2, coil L4 in another iron core column；Coil L1 has
Turn ratio is δ 1, δ 2 two taps respectively, and coil L4 also has two taps that turn ratio is δ 1, δ 2 respectively；Coil L1, coil
L2 Same Name of Ends connects a terminal, coil L1 different name end connection coil L4 Same Name of Ends, coil L2 different name end connecting line
L3 Same Name of Ends is enclosed, coil L3, coil L4 different name end connect another terminal；Coil L1 tapping ratios are δ 1 taps through forward direction
IGCT D1 connection coils L3 Same Name of Ends, coil L1 tapping ratios are δ 2 taps through the same of positive IGCT D3 connection coils L3
Name end, coil L1 tapping ratios are δ 2 Same Name of Ends of the tap through reverse IGCT D5 connection coils L3；Coil L4 tapping ratios are δ 1
Different name end of the tap through positive IGCT D2 connection coils L2, coil L4 tapping ratios are that δ 2 tap connects through positive IGCT D4
Wiring circle L2 different name end, coil L4 tapping ratios are δ 2 different name end of the tap through reverse IGCT D6 connection coils L2；Coil
Diode D7 is also connected between L1, coil L2 different name end；The all controlled circuit control of the control terminal of all IGCTs.
The coil L1, coil L2 equal turn numbers；Coil L3, coil L4 equal turn numbers.
The turn ratio of the coil L1 taps is defined as, the ratio between the number of turn of tap to coil end and whole coil turn
For δ, the ＞ δ 1 of δ 2.
The turn ratio of the coil L4 taps is defined as, the ratio between number of turn and whole coil turn of tap to coil top
For δ, the ＞ δ 1 of δ 2.
The beneficial effects of the invention are as follows：Reactive power can continuous quick regulation.Reactive power is not only able to quick increase, also
Being capable of rapid decrease.Realize that the magnet controlled reactor of quick regulation is relatively simple for structure.Control method is simple.
Brief description of the drawings
Fig. 1 represents the continuous quick compensator schematic diagram of reactive power.
Fig. 2 represents quick magnet controlled reactor structure chart.
Embodiment
The present invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment：
The present invention will be further described with embodiment below in conjunction with the accompanying drawings.
A kind of continuous quick compensator of reactive power is as shown in Figure 1.It is in parallel with controlled reactor L including electric capacity C.If
Controlled reactor L reactance value is equal to infinity, and the idle of controlled reactor L consumption is equal to zero, and electric capacity C is carried out to power system
The reactive-load compensation of maximum capacity.If being gradually reduced controlled reactor L reactance value, the idle of controlled reactor L consumption will be by
Gradually increase, reactive-load compensations of the electric capacity C to power system declines from maximum.If controlled reactor L reactance value is reduced to, can
Idle idle, nothing of the continuous quick compensator of reactive power to power system sent equal to electric capacity C of control reactor L consumption
Work(compensation is equal to zero.If continuing to reduce controlled reactor L reactance value, the idle of controlled reactor L consumption will will be greater than electricity
It is idle that appearance C is sent, and reactive-load compensation of the continuous quick compensator of reactive power to power system will be equal to negative value.It can be seen that continuous
Adjust controlled reactor L reactance value, the compensation rate of the continuous quick compensator of continuously adjustable reactive power.If fast velocity modulation
Save controlled reactor L reactance value, can the continuous quick compensator of quick regulation reactive power compensation rate.
Magnet controlled reactor is a kind of continuous controlled reactor.A kind of quick magnet controlled reactor structure is as shown in Figure 2.It is wrapped
Include：There are coil L1, coil L3 in a piece iron core column；There are coil L2, coil L4 in another iron core column；Coil L1, coil L2
Equal turn numbers；Coil L3, coil L4 equal turn numbers；Coil L1 has tap, if tap to coil end the number of turn with it is whole
The ratio between coil turn is δ, then the turn ratio of coil L1 two taps is δ 1, δ 2 respectively, and the ＞ δ 1 of δ 2.Coil L4 has tap, such as
Fruit tap to the ratio between the number of turn and the whole coil turn at coil top is δ, then the turn ratio of coil L4 two taps be respectively δ 1,
δ 2, and the ＞ δ 1 of δ 2.
Coil L1, coil L2 Same Name of Ends connection terminal I, coil L1 different name end connection coil L4 Same Name of Ends, coil
L2 different name end connection coil L3 Same Name of Ends, coil L3, coil L4 different name end connection terminal II；Coil L1 tapping ratios are δ 1
Same Name of Ends of the tap through positive IGCT D1 connection coils L3, coil L1 tapping ratios are that δ 2 tap connects through positive IGCT D3
Wiring circle L3 Same Name of Ends, coil L1 tapping ratios are δ 2 Same Name of Ends of the tap through reverse IGCT D5 connection coils L3.Coil
L4 tapping ratios are δ 1 different name end of the tap through positive IGCT D2 connection coils L2, and coil L4 tapping ratios are δ 2 taps through just
To IGCT D4 connection coils L2 different name end, coil L4 tapping ratios are δ 2 taps through reverse IGCT D6 connection coils L2
Different name end.Diode D7 is also connected between coil L1, coil L2 different name end.The all controlled electricity of the control terminal of all IGCTs
Road is controlled.
The power system that quick magnet controlled reactor access rated voltage is U1, when control circuit control IGCT D3, brilliant lock
Pipe D4, IGCT D5, IGCT D6 end, remaining part is exactly conventional magnetron reactor.The work of conventional magnetron reactor
It is summarized as follows as principle.
IGCT D1 and during IGCT D2 full cut-ofves, IGCT D1 and IGCT D2 both end voltages are equal, equal to U1 δ 1/2.
IGCT D1 and IGCT D2 rectification circuits do not work, and what coil L1, coil L2, coil L3, coil L4 flowed through is encouraging for very little
Magnetoelectricity stream.Magnet controlled reactor has maximum reactance value Zmax.
When controlling circuit control IGCT D1 and IGCT D2 to turn on entirely, IGCT D1 and IGCT D2 are just changed into two poles
Pipe characteristic, IGCT D1 and IGCT D2 respectively constitute half-wave rectifying circuit.Coil L1, coil L2, coil L3, coil L4 it is straight
Stream electric current reaches design maximum value.DC current in coil L1, coil L3 is directed downward, the direct current in coil L2, coil L4
The sense of current is upward.Upward, the direct current flux in another iron core column is down for direct current flux in a piece iron core column.Iron core column is satisfied
With.Magnet controlled reactor has minimum reactance value Zmin.
The size of circuit control IGCT D1 and IGCT D2 rectification flows is controlled, coil L1, coil L2, coil is can control
The size of DC current in L3, coil L4, realizes the size of control magnet controlled reactor reactance value.Control the brilliant lock of circuit continuous control
Pipe D1 and IGCT D2 rectification flows size, can DC current in continuous control coil L1, coil L2, coil L3, coil L4
Size, realizes continuously adjusting for magnet controlled reactor reactance value, magnet controlled reactor reactance value adjusts between the minimum and maximum,
Change.
Diode D7 is fly-wheel diode, and the effect of fly-wheel diode is common knowledge, no longer burdensome.
IGCT D3 rectification direction with and IGCT D1 rectification direction it is identical.IGCT D3 both end voltages are more than brilliant lock
Pipe D1 both end voltages (because the ＞ δ 1 of δ 2).IGCT D4 rectification direction with and IGCT D2 rectification direction it is identical.IGCT
D4 both end voltages are more than IGCT D2 both end voltages (because the ＞ δ 1 of δ 2).If IGCT D3 participates in IGCT D1 rectification, brilliant
Brake tube D4 participates in IGCT D2 rectification, can accelerate speed of the magnet controlled reactor reactance value from maximum regulation to minimum value.
IGCT D5 rectification direction with and IGCT D1 rectification it is in opposite direction.IGCT D6 rectification direction and and crystalline substance
Brake tube D2 rectification is in opposite direction.If turned off IGCT D1, IGCT D5 is opened, then IGCT D5 is in coil L1, coil L3
The DC current of middle generation is with original DC current method on the contrary, accelerating the decline of original magnetic flux in iron core.If turned off crystalline substance
Brake tube D2, opens IGCT D6, then the DC current that IGCT D6 is produced in coil L2, coil L4 and original DC current
Method is on the contrary, accelerate the decline of original magnetic flux in iron core.It can be seen that, close IGCT D1 and IGCT D2, open IGCT D5 and
IGCT D6, can accelerate speed of the magnet controlled reactor reactance value from minimum value regulation to maximum.
Realize that the magnet controlled reactor of quick regulation is relatively simple for structure.Control method is simple.Magnet controlled reactor electricity can be accelerated
Anti- value adjusts the speed to minimum value from maximum.Speed of the magnet controlled reactor reactance value from minimum value regulation to maximum can be accelerated
Degree.The continuous quick compensator of reactive power realizes that reactive power can continuous quick regulation.Reactive power is not only able to quick increasing
Greatly, additionally it is possible to rapid decrease.
A kind of continuous quick compensator of reactive power of the present invention, can realize, there is broad prospect of application completely.
Claims (4)
1. a kind of continuous quick compensator of reactive power, it is characterized in that, it includes：Electric capacity C is in parallel with controlled reactor L；Can
Control reactor L and use quick magnet controlled reactor；Quick magnet controlled reactor includes：There are coil L1, coil L3 in a piece iron core column；Separately
There are coil L2, coil L4 in a piece iron core column；Coil L1 has two taps that turn ratio is δ 1, δ 2 respectively, and coil L4 also has circle
Count two taps than being respectively δ 1, δ 2；Coil L1, coil L2 Same Name of Ends connect a terminal, and coil L1 different name end connects
Wiring circle L4 Same Name of Ends, coil L2 different name end connection coil L3 Same Name of Ends, coil L3, coil L4 different name end connect another
One terminal；Coil L1 tapping ratios are δ 1 Same Name of Ends of the tap through positive IGCT D1 connection coils L3, coil L1 tapping ratios
It is δ 2 Same Name of Ends of the tap through positive IGCT D3 connection coils L3, coil L1 tapping ratios are δ 2 taps through reverse IGCT
D5 connection coils L3 Same Name of Ends；Coil L4 tapping ratios are δ 1 different name end of the tap through positive IGCT D2 connection coils L2,
Coil L4 tapping ratios are δ 2 different name end of the tap through positive IGCT D4 connection coils L2, and coil L4 tapping ratios are δ 2 taps
Different name end through reverse IGCT D6 connection coils L2；Diode D7 is also connected between coil L1, coil L2 different name end；It is all
The all controlled circuit control of the control terminal of IGCT.
2. the continuous quick compensator of reactive power as claimed in claim 1, it is characterized in that, the coil L1, coil L2
Equal turn numbers；Coil L3, coil L4 equal turn numbers.
3. the continuous quick compensator of reactive power as claimed in claim 1, it is characterized in that, the circle of the coil L1 taps
Number ratio is defined as, and the ratio between the number of turn of tap to coil end and whole coil turn are δ, the ＞ δ 1 of δ 2.
4. the continuous quick compensator of reactive power as claimed in claim 1, it is characterized in that, the circle of the coil L4 taps
Number ratio is defined as, and the ratio between number of turn and whole coil turn of tap to coil top are δ, the ＞ δ 1 of δ 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710154497.6A CN107039986B (en) | 2017-03-13 | 2017-03-13 | Reactive power continuous rapid compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710154497.6A CN107039986B (en) | 2017-03-13 | 2017-03-13 | Reactive power continuous rapid compensation device |
Publications (2)
| Publication Number | Publication Date |
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| CN107039986A true CN107039986A (en) | 2017-08-11 |
| CN107039986B CN107039986B (en) | 2020-03-17 |
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| CN201710154497.6A Active CN107039986B (en) | 2017-03-13 | 2017-03-13 | Reactive power continuous rapid compensation device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101635464A (en) * | 2009-09-01 | 2010-01-27 | 曲娜 | Magnetic control transient reactive power compensation method |
| CN102904263A (en) * | 2012-09-29 | 2013-01-30 | 华北电力大学 | Quick magnetizing and demagnetizing device based on magnetically controlled reactor (MCR) |
| CN204290801U (en) * | 2014-12-02 | 2015-04-22 | 国家电网公司 | The quick response magnet controlled reactor of compound rectifier excitation |
| CN104953850A (en) * | 2015-07-24 | 2015-09-30 | 山东大学 | Multifunctional transformer with high response speed |
| CN106026813A (en) * | 2016-07-28 | 2016-10-12 | 李晓明 | Fast response saturation reactor |
-
2017
- 2017-03-13 CN CN201710154497.6A patent/CN107039986B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101635464A (en) * | 2009-09-01 | 2010-01-27 | 曲娜 | Magnetic control transient reactive power compensation method |
| CN102904263A (en) * | 2012-09-29 | 2013-01-30 | 华北电力大学 | Quick magnetizing and demagnetizing device based on magnetically controlled reactor (MCR) |
| CN204290801U (en) * | 2014-12-02 | 2015-04-22 | 国家电网公司 | The quick response magnet controlled reactor of compound rectifier excitation |
| CN104953850A (en) * | 2015-07-24 | 2015-09-30 | 山东大学 | Multifunctional transformer with high response speed |
| CN106026813A (en) * | 2016-07-28 | 2016-10-12 | 李晓明 | Fast response saturation reactor |
Non-Patent Citations (1)
| Title |
|---|
| 刘刚: "磁阀式可控电抗器的研究及计算机辅助设计", 《CNKI中国优秀硕士学位论文全文库》 * |
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| CN107039986B (en) | 2020-03-17 |
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