CN109510215A - Active passive mixing type reactive power dynamic compensating device - Google Patents
Active passive mixing type reactive power dynamic compensating device Download PDFInfo
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- CN109510215A CN109510215A CN201811654823.0A CN201811654823A CN109510215A CN 109510215 A CN109510215 A CN 109510215A CN 201811654823 A CN201811654823 A CN 201811654823A CN 109510215 A CN109510215 A CN 109510215A
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- Prior art keywords
- reactive power
- active
- compensation
- coupling
- mixing type
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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
- H02J3/18—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
- H02J3/1864—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein the stepless control of reactive power is obtained by at least one reactive element connected in series with a semiconductor switch
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Active passive mixing type reactive power dynamic compensating device of the invention belongs to electrical equipment technical field.Device is made of self coupling coupling transformer, on-load voltage regulating switch, reactive power compensation filter branch, active compensation inverter, active compensation circuit control device, back-end data processing industrial personal computer and on-load voltage regulating switch controller.The distinguishing feature of device is the response speed that response speed in operation is active compensation inverter ,≤10 milliseconds.The active power loss of device in operation is the active power loss of self-coupling type reactive power dynamic compensation device, the 0.5% of≤device rated capacity.It is widely portable to coal mine, steel, new energy (wind-force, solar energy) substation and railway electrification traction substation, device is adjusted as reactive power dynamic compensation, higher harmonic current filtering, busbar voltage, is contributed to improve power system voltage quality and Operation of Electric Systems economy.
Description
Technical field
Active passive mixing type reactive power dynamic compensating device disclosed by the invention belongs to electrical equipment technical field.It is special
It is not the response speed that a kind of response speed of device in operation is active compensation SVG ,≤10 milliseconds.Device is in operation
Active power loss is the active power loss of self-coupling type reactive power dynamic compensation device ,≤device rated capacity
0.5%.
Background technique
The type of existing reactive power dynamic compensation device has: active reactive power dynamic compensation device (SVG), passive
Reactive power dynamic compensation device, such as: self-coupling type reactive power dynamic compensation device.
The remarkable advantage of active type reactive power dynamic compensation device is operation fast response time ,≤10 milliseconds, can be compensated
The reactive power demand of quick varying loading.Its major defect is that active power loss is big in operation for device, is device installation
The 5% of capacity.
Passive reactive power dynamic compensation device, by taking self-coupling type reactive power dynamic compensation device as an example.It is aobvious
Write advantage be that active power loss is small in operation for device, only the 0.3% of device installed capacity less than.Its disadvantage mainly fills
It sets that response speed in operation is slow, is the response speed of on-load voltage regulating switch, at 5 seconds or so.It is suitable for power system mesomeric state
Reactive Power Control and voltage adjustment when operation do not adapt to reactive power compensation and the voltage adjustment of quick varying loading,
Such as: railway electrification electrical traction load.
Summary of the invention
The task of the present invention is develop a kind of passive mixing type reactive power dynamic compensating device of New Active.It can fit extensively
It is dynamic as reactive power for coal mine, steel, new energy (wind-force, solar energy) substation and railway electrification traction substation
State compensation, higher harmonic current filtering, busbar voltage adjust device, to improve power system voltage quality and Operation of Electric Systems
Economy is contributed.
Technical solutions according to the invention are such, this active passive mixing type reactive power dynamic compensating devices,
It is by self coupling coupling transformer (1), on-load voltage regulating switch (2), reactive power compensation filter branch (3), active compensation inverter
(4), active compensation circuit control device (5), back-end data processing industrial personal computer (6) and on-load voltage regulating switch controller (7) are constituted.
Back-end data handles the variation of industrial personal computer (6) real time on-line monitoring system busbar voltage and system reactive power demand, and according to dress
The control criterion set accesses self coupling coupling transformer by on-load voltage regulating switch controller (7) control on-load voltage regulating switch (2)
(1) self-coupling tap i (i=1,2 ..., n), makes the output end voltage of on-load voltage regulating switch (2), i.e. reactive power is mended
The upper end voltage for repaying filter branch (3), in (0~Ue) between be classified it is adjustable, thus make reactive power compensation filter branch issue
Lagging reactive power is in (0~Qn) range internal classification is adjustable.Active compensation circuit control device (5) on-line real time monitoring system simultaneously
Busbar voltage of uniting variation and system reactive power demand, and it is active according to device control criterion (if device is made to be in perception) control
It compensates inverter (4) and issues continuously adjustable perception or capacitive reactive power.The capacity of active compensation inverter (4) is idle function
(1/4~1/n) of rate compensation-filter branch (3) capacity.
Present apparatus active compensation inverter (4) only sends out (1/4~1/n) times reactive power compensation filter branch (3) capacity
Perception or capacitive First Harmonic Reactive Power, because the efficiency of active compensation inverter (4) hair higher hamonic wave reactive power only sends out base
The 40% of wave reactive power efficiency.The harmonic current generated in the non-linear operation of system loading is by reactive power compensation filter branch
(3) it filters out.
Active passive mixing type reactive power dynamic compensating device technical characterstic as described above has, and back-end data handles work
Control machine (6), on-load voltage regulating switch controller (7) and reactive power compensation filter branch (3) can control device adjustable range.
Active passive mixing type reactive power dynamic compensating device technical characterstic as described above is in addition, self coupling couples transformation
Device (1) each tap is adjusted by constant power, is divided into n grades, the voltage of i-stage isTo realize that classification constant power is adjusted.
Active passive mixing type reactive power dynamic compensating device technical characterstic as described above is in addition, self coupling couples transformation
The conducting capacity of device (1) is identical as the capacity of reactive power compensation filter branch (3), but its electromagnetic capacity only has reactive power benefit
Repay the 25% of filter branch (3) capacity less than.The capacity of active compensation inverter (4) coupling winding is generally less than self coupling coupling
The electromagnetic capacity of transformer (1).So the capacity of active compensation inverter (4) coupling winding does not influence self coupling coupling transformer
(1) electromagnetic capacity.
Active passive mixing type reactive power dynamic compensating device technical characterstic as described above in addition, in device investment or
When excision, on-load voltage regulating switch (2) can be adjusted to self coupling coupling transformer (1) no-voltage terminals (11), with realization device zero
Voltage, zero current investment or no-voltage, zero current excision.After device investment, according to system voltage and system reactive power need
It asks and connects tap switch in self coupling in the case where back-end data processing industrial personal computer (6) is by the control of on-load voltage regulating switch controller (7)
The suitable voltage tap i (i=1,2 ..., n) of coupling transformer (1), with the adjustable of realization device control range.
Active passive mixing type reactive power dynamic compensating device technical characterstic as described above is in addition, self coupling couples transformation
Device (1) leakage reactance very little at different levels influences very little to the filter effect of reactive power compensation filter branch (3).
Active passive mixing type reactive power dynamic compensating device technical characterstic as described above is in addition, self coupling couples transformation
The lower semisection winding current very little of device (1), coil can be segmented coiling, can save plain conductor consumption, reduce self coupling coupling and become
The manufacturing cost of depressor (1).
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1: active passive mixing type reactive power dynamic compensating device key wiring diagram.
Fig. 2: (- 400~3400) KVar/27.5KV active passive mixing type reactive power dynamic compensating device principle wiring
Figure.
In figure: 1~self coupling coupling transformer, 2~on-load voltage regulating switch, 3~reactive power compensation filter branch, 4~have
Source compensates inverter, 5~active compensation circuit control device, and 6~back-end data handles industrial personal computer, the control of 7~on-load voltage regulating switch
Device processed, 8~comprehensive automation system of transformer substation communication line, 9~active compensation inverter filtering reactor, 10~active compensation are inverse
Become device filter condenser, 11~self coupling coupling transformer no-voltage terminals, 12~voltage bus, 13~active passive mixed type
Reactive power dynamic compensation device breaker, 14~bus-bar potential transformer, 15~busbar current transformer, 16~5 times idle
Power compensation filter branch, 17~7 reactive power compensation filter branch, 18~3 reactive power compensation filter branch, 19~
5 reactive power compensation filter branch, 20~arrester.
Specific embodiment
Active passive mixing type reactive power dynamic compensating device non-limiting examples of the invention are as follows.
Certain railway electrification traction substation 2 × (- 400~3400) KVar/27.5KV reactive power dynamic compensation device.
Wherein reactive power compensation and 3 subharmonic current filter branch capacity are 1800KVar, reactive power compensation and 5 subharmonic currents
Filter branch capacity is 1200KVar, and active compensation inverter capacity is ± 400KVar, primary system schematic diagram such as Fig. 2 institute
Show.
Claims (5)
1. a kind of active passive mixing type reactive power dynamic compensating device.It is opened by self coupling coupling transformer (1), on-load voltage regulation
Close (2), reactive power compensation filter branch (3), active compensation inverter (4), active compensation circuit control device (5), backstage
Data processing industrial personal computer (6) and on-load voltage regulating switch controller (7) are constituted.
2. active passive mixing type reactive power dynamic compensating device as described in claim 1, it is characterised in that on-load voltage regulation
Switch (2) tap i (i=1,2 ..., n) successively with the tap i of self coupling coupling transformer (1) (i=1,2 ..., n) phase
It connects.
3. active passive mixing type reactive power dynamic compensating device as described in claim 1, it is characterised in that on-load voltage regulation
Switch the upper end of voltage output termination reactive power compensation filter branch (3) of (2).
4. active passive mixing type reactive power dynamic compensating device as described in claim 1, it is characterised in that active compensation
Inverter (4) is connected to the coupling coil output end of coupling coupling transformer (1).
5. active passive mixing type reactive power dynamic compensating device as described in claim 1, it is characterised in that reactive power
The lower end of compensation-filter branch (3) and the lower end of self coupling coupling transformer (1) are connected together (or ground connection).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811654823.0A CN109510215A (en) | 2018-12-25 | 2018-12-25 | Active passive mixing type reactive power dynamic compensating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811654823.0A CN109510215A (en) | 2018-12-25 | 2018-12-25 | Active passive mixing type reactive power dynamic compensating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109510215A true CN109510215A (en) | 2019-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811654823.0A Withdrawn CN109510215A (en) | 2018-12-25 | 2018-12-25 | Active passive mixing type reactive power dynamic compensating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817322A (en) * | 2020-06-19 | 2020-10-23 | 中冶南方都市环保工程技术股份有限公司 | Load balancing method and device based on energy storage and reactive compensation system in isolated network |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10301647A (en) * | 1997-04-30 | 1998-11-13 | Meidensha Corp | Power compensating device of electric furnace |
| CN1897393A (en) * | 2006-06-23 | 2007-01-17 | 北京四方清能电气电子有限公司 | Compensator for electric-railway non-power compensation and electric-energy quality control |
| CN101924370A (en) * | 2010-09-08 | 2010-12-22 | 株洲变流技术国家工程研究中心有限公司 | A kind of mixed type power quality controlling device |
| CN103457270A (en) * | 2012-05-31 | 2013-12-18 | 黄留欣 | Central dynamic reactive compensation device for transformers |
| CN203632256U (en) * | 2013-12-13 | 2014-06-04 | 上海追日电气有限公司 | Hybrid reactive power compensator |
-
2018
- 2018-12-25 CN CN201811654823.0A patent/CN109510215A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10301647A (en) * | 1997-04-30 | 1998-11-13 | Meidensha Corp | Power compensating device of electric furnace |
| CN1897393A (en) * | 2006-06-23 | 2007-01-17 | 北京四方清能电气电子有限公司 | Compensator for electric-railway non-power compensation and electric-energy quality control |
| CN101924370A (en) * | 2010-09-08 | 2010-12-22 | 株洲变流技术国家工程研究中心有限公司 | A kind of mixed type power quality controlling device |
| CN103457270A (en) * | 2012-05-31 | 2013-12-18 | 黄留欣 | Central dynamic reactive compensation device for transformers |
| CN203632256U (en) * | 2013-12-13 | 2014-06-04 | 上海追日电气有限公司 | Hybrid reactive power compensator |
Non-Patent Citations (1)
| Title |
|---|
| 赵志宇: "新型整流变压器在直流供电系统中运行特性的研究", 《中国博士学位论文全文数据库（电子期刊）》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817322A (en) * | 2020-06-19 | 2020-10-23 | 中冶南方都市环保工程技术股份有限公司 | Load balancing method and device based on energy storage and reactive compensation system in isolated network |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190527 Address after: 030006 Building 4-3, No. 7, Wucheng Road, Xiaodian District, Taiyuan City, Shanxi Province Applicant after: Shen Jianyi Address before: 030006 Unit 1101 of Junmin Road, Tianhe University Court, Xiaodian District, Taiyuan City, Shanxi Province Applicant before: Chen Juncheng |
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| TA01 | Transfer of patent application right | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190322 |
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| WW01 | Invention patent application withdrawn after publication |