CN106329545A - Static var compensator SVG - Google Patents
Static var compensator SVG Download PDFInfo
- Publication number
- CN106329545A CN106329545A CN201610814330.3A CN201610814330A CN106329545A CN 106329545 A CN106329545 A CN 106329545A CN 201610814330 A CN201610814330 A CN 201610814330A CN 106329545 A CN106329545 A CN 106329545A
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- igct
- inductance
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- circuit
- electric capacity
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- 230000003068 static effect Effects 0.000 title claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims abstract description 22
- 238000004146 energy storage Methods 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 7
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 239000013589 supplement Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
Classifications
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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
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1842—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein at least one reactive element is actively controlled by a bridge converter, e.g. active filters
-
- 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
- H02J3/01—Arrangements for reducing harmonics or ripples
-
- 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]
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The invention discloses a static var compensator SVG. The static var compensator SVG comprises a three-phase phase control rectification circuit constituted by thyristors. The direct current side input end of the three-phase phase control rectification circuit is connected with a direct current power supply U and a main energy storage capacitor C1. The main energy storage capacitor C1 is parallely connected with a serial connection branch formed by serially connecting the thyristor D13 and an auxiliary energy storage capacitor C5 together. The three alternating current output lines of the three-phase phase control rectification circuit are connected with the three capacitors in a delta connection, and by adopting cooperation with the inductors of the alternating current output lines, harmonic filtering is realized. The static var compensator SVG is advantageous in that the structure is concise, and is easy to realize; reactive power of a power system is effectively and timely compensated, and harmonic waves of compensation current are filtered.
Description
Technical field
The present invention relates to static passive compensation device field, specifically a kind of static reactive SVG device.
Background technology
SVC SVG is widely used in load compensation and the transmission line of electricity compensation of modern power systems.Existing
Having in technology SVG circuit, DC side need to access storage capacitor, when reactive power occurs in circuit, utilizes storage capacitor to pass through to fill
Electric discharge supplements in time.But when actually used, if too fast being easily caused of storage capacitor energy expenditure cannot supplement reactive power in time
Problem.And in prior art SGV, the harmonic wave of generation typically uses PWM technology to be controlled, humorous to eliminate in compensation electric current
The content of ripple.But use PWM technical controlling harmonic wave higher to controlling hardware requirement, add the holistic cost of SVG.
Summary of the invention it is an object of the invention to provide a kind of static reactive SVG device, to solve prior art SVG
The problem existed.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of static reactive SVG device, it is characterised in that: include the three-phase phase control rectifier electricity being made up of IGCT D1-D6
Road, three-phase phase control rectifier circuit direct side input connects DC source U, the DC side input of three-phase phase control rectifier circuit
And also it is parallel with main storage capacitor C1 between DC source U, in parallel by IGCT D13, auxiliary storage capacitor on main storage capacitor C1
The series arm that C5 is in series, and IGCT D13 and auxiliary storage capacitor C5 indirectly, the first of three-phase phase control rectifier circuit
Individual ac output end passes through in the inductance L4 of series connection, inductance L1 one of them phase line of incoming transport triple line, three-phase phase control rectifier
Second ac output end of circuit passes through in the inductance L5 of series connection, inductance second phase line of L2 incoming transport triple line, three-phase
3rd ac output end of phase control rectifier circuit is by the inductance L6 of series connection, the 3rd phase line of inductance L3 incoming transport triple line
On, after the connection of extraction wire has electric capacity C2, the electric capacity C3 being serially connected between inductance L1, inductance L4, it is then connected to inductance L3, electricity
Sense L6 between, electric capacity C2, electric capacity C3 constitute series arm on be also parallel with between electric capacity C4, electric capacity C2, electric capacity C3 also by
It is connected between wire with inductance L2, inductance L5, also includes thyristor control circuit P1, voltage collection circuit P3, signal condition electricity
Road P2, described voltage collection circuit P3 input connects one to one between inductance L4 and inductance L1, inductance L5 and inductance L2
Between, between inductance L6 and inductance L3, voltage collection circuit P3 outfan connect signal conditioning circuit P2 input, signal condition
Circuit P2 outfan connect thyristor control circuit P1 input, thyristor control circuit P1 outfan respectively with IGCT D1-
D6, the control pole of IGCT D13 connect.
Described a kind of static reactive SVG device, it is characterised in that: in three-phase phase control rectifier circuit, IGCT D1-
The upper one_to_one corresponding of D6 is parallel with diode D7-D12, IGCT D1, IGCT D3, IGCT D5 anode connect altogether as a direct current
Side input, IGCT D1 negative electrode is connected with IGCT D2 anode, and IGCT D3 negative electrode is connected with IGCT D4 anode, IGCT
D5 negative electrode is connected with IGCT D6 anode, and IGCT D2, IGCT D4, IGCT D6 negative electrode connect as another DC side defeated altogether
Entering end, two DC side inputs are respectively connected to DC source U, between IGCT D1 and IGCT D2, IGCT D3 and IGCT
Drawing wire between D4, between IGCT D5 and IGCT D6 respectively as ac output end, three ac output ends lead to respectively
Cross inductance one_to_one corresponding incoming transport triple line.
Described a kind of static reactive SVG device, it is characterised in that: described thyristor control circuit is based on single-chip microcomputer
Built-up.
In the present invention, auxiliary storage capacitor in parallel on main storage capacitor, auxiliary storage capacitor is controlled access three by IGCT D13
Phase phase control rectifier circuit, if main storage capacitor energy expenditure is too fast, then thyristor control circuit controls IGCT D13 conducting, makes
Auxiliary storage capacitor accesses three-phase phase control rectifier circuit, to realize the compensation to reactive power.
In the present invention, electric capacity C2, C3, C4 of utilizing delta connection to connect are connected with inductance L4, L5, L6, can realize filter
Except the harmonic wave compensated in electric current.
Circuit structure of the present invention is succinct, it is easy to accomplish, the reactive power in power system can be compensated effectively and timely, and can
Filter the harmonic wave compensated in electric current, the cost controlling hardware need not be increased, there is preferable filter effect, and there is response speed
Hurry up, the advantage of stable working.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present invention.
Detailed description of the invention
As it is shown in figure 1, a kind of static reactive SVG device, including the three-phase phase control rectifier being made up of IGCT D1-D6
Circuit, three-phase phase control rectifier circuit direct side input connects DC source U, the DC side input of three-phase phase control rectifier circuit
Main storage capacitor C1 also it is parallel with between end and DC source U, in parallel by IGCT D13, auxiliary energy storage electricity on main storage capacitor C1
Hold C5 series arm in series, and IGCT D13 and auxiliary storage capacitor C5 indirectly, the of three-phase phase control rectifier circuit
One ac output end is by the inductance L4 of series connection, inductance L1 one of them phase line of incoming transport triple line, and three-phase is phased whole
Second ac output end of current circuit passes through in the inductance L5 of series connection, inductance second phase line of L2 incoming transport triple line, and three
3rd ac output end of phase phase control rectifier circuit is by the inductance L6 of series connection, the 3rd phase of inductance L3 incoming transport triple line
On line, between inductance L1, inductance L4 draw wire connect have electric capacity C2, the electric capacity C3 being serially connected after, be then connected to inductance L3,
Between inductance L6, the series arm that electric capacity C2, electric capacity C3 are constituted also is parallel with between electric capacity C4, electric capacity C2, electric capacity C3 the most logical
Cross and be connected between wire with inductance L2, inductance L5, also include thyristor control circuit P1, voltage collection circuit P3, signal condition
Circuit P2, described voltage collection circuit P3 input connects one to one between inductance L4 and inductance L1, inductance L5 and inductance
Between L2, between inductance L6 and inductance L3, voltage collection circuit P3 outfan connects signal conditioning circuit P2 input, and signal is adjusted
Reason circuit P2 outfan connect thyristor control circuit P1 input, thyristor control circuit P1 outfan respectively with IGCT
D1-D6, the control pole of IGCT D13 connect.
In three-phase phase control rectifier circuit, on IGCT D1-D6 one_to_one corresponding be parallel with diode D7-D12, IGCT D1,
IGCT D3, IGCT D5 anode connect as a DC side input altogether, and IGCT D1 negative electrode is connected with IGCT D2 anode,
IGCT D3 negative electrode is connected with IGCT D4 anode, and IGCT D5 negative electrode is connected with IGCT D6 anode, IGCT D2, IGCT
D4, IGCT D6 negative electrode connect as another DC side input altogether, and two DC side inputs are respectively connected to DC source U, brilliant
Draw respectively between brake tube D1 and IGCT D2, between IGCT D3 and IGCT D4, between IGCT D5 and IGCT D6 and lead
Line is as ac output end, and three ac output ends are respectively by inductance one_to_one corresponding incoming transport triple line.
Thyristor control circuit is built-up based on single-chip microcomputer.
Claims (3)
1. a static reactive SVG device, it is characterised in that: include the three-phase phase control rectifier being made up of IGCT D1-D6
Circuit, three-phase phase control rectifier circuit direct side input connects DC source U, the DC side input of three-phase phase control rectifier circuit
Main storage capacitor C1 also it is parallel with between end and DC source U, in parallel by IGCT D13, auxiliary energy storage electricity on main storage capacitor C1
Hold C5 series arm in series, and IGCT D13 and auxiliary storage capacitor C5 indirectly, the of three-phase phase control rectifier circuit
One ac output end is by the inductance L4 of series connection, inductance L1 one of them phase line of incoming transport triple line, and three-phase is phased whole
Second ac output end of current circuit passes through in the inductance L5 of series connection, inductance second phase line of L2 incoming transport triple line, and three
3rd ac output end of phase phase control rectifier circuit is by the inductance L6 of series connection, the 3rd phase of inductance L3 incoming transport triple line
On line, between inductance L1, inductance L4 draw wire connect have electric capacity C2, the electric capacity C3 being serially connected after, be then connected to inductance L3,
Between inductance L6, the series arm that electric capacity C2, electric capacity C3 are constituted also is parallel with between electric capacity C4, electric capacity C2, electric capacity C3 the most logical
Cross and be connected between wire with inductance L2, inductance L5, also include thyristor control circuit P1, voltage collection circuit P3, signal condition
Circuit P2, described voltage collection circuit P3 input connects one to one between inductance L4 and inductance L1, inductance L5 and inductance
Between L2, between inductance L6 and inductance L3, voltage collection circuit P3 outfan connects signal conditioning circuit P2 input, and signal is adjusted
Reason circuit P2 outfan connect thyristor control circuit P1 input, thyristor control circuit P1 outfan respectively with IGCT
D1-D6, the control pole of IGCT D13 connect.
A kind of static reactive SVG device the most according to claim 1, it is characterised in that: three-phase phase control rectifier circuit
In, on IGCT D1-D6, one_to_one corresponding is parallel with diode D7-D12, IGCT D1, IGCT D3, IGCT D5 anode connect altogether
As a DC side input, IGCT D1 negative electrode is connected with IGCT D2 anode, IGCT D3 negative electrode and IGCT D4 sun
Pole connects, and IGCT D5 negative electrode is connected with IGCT D6 anode, and IGCT D2, IGCT D4, IGCT D6 negative electrode connect conduct altogether
Another DC side input, two DC side inputs are respectively connected to DC source U, between IGCT D1 and IGCT D2, brilliant
Wire is drawn respectively as ac output end, three friendships between brake tube D3 and IGCT D4, between IGCT D5 and IGCT D6
Stream outfan is respectively by inductance one_to_one corresponding incoming transport triple line.
A kind of static reactive SVG device the most according to claim 1, it is characterised in that: described thyristor control electricity
Roadbed is built-up in single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814330.3A CN106329545A (en) | 2016-09-09 | 2016-09-09 | Static var compensator SVG |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814330.3A CN106329545A (en) | 2016-09-09 | 2016-09-09 | Static var compensator SVG |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106329545A true CN106329545A (en) | 2017-01-11 |
Family
ID=57786493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610814330.3A Pending CN106329545A (en) | 2016-09-09 | 2016-09-09 | Static var compensator SVG |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106329545A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482644A (en) * | 2017-08-21 | 2017-12-15 | 海特尔机电工程技术（马鞍山）有限公司 | A kind of SVG device |
| CN110460065A (en) * | 2019-08-20 | 2019-11-15 | 中煤新集能源股份有限公司 | Flameproof and intrinsically safe static reactive generator device and the implementation method of reactive compensation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003348755A (en) * | 2002-05-23 | 2003-12-05 | Ngk Insulators Ltd | Method of restraining three-phase imbalance in power distribution system |
| CN204190391U (en) * | 2014-10-17 | 2015-03-04 | 佛山市顺德区胜业电气有限公司 | Volume static reactive generator in multiplex |
| CN104779640A (en) * | 2015-04-15 | 2015-07-15 | 上海追日电气有限公司 | System for preventing distributed power generation system from reversing electric power to power grid and control method |
-
2016
- 2016-09-09 CN CN201610814330.3A patent/CN106329545A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003348755A (en) * | 2002-05-23 | 2003-12-05 | Ngk Insulators Ltd | Method of restraining three-phase imbalance in power distribution system |
| CN204190391U (en) * | 2014-10-17 | 2015-03-04 | 佛山市顺德区胜业电气有限公司 | Volume static reactive generator in multiplex |
| CN104779640A (en) * | 2015-04-15 | 2015-07-15 | 上海追日电气有限公司 | System for preventing distributed power generation system from reversing electric power to power grid and control method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482644A (en) * | 2017-08-21 | 2017-12-15 | 海特尔机电工程技术（马鞍山）有限公司 | A kind of SVG device |
| CN110460065A (en) * | 2019-08-20 | 2019-11-15 | 中煤新集能源股份有限公司 | Flameproof and intrinsically safe static reactive generator device and the implementation method of reactive compensation |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |
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| RJ01 | Rejection of invention patent application after publication |