CN104022517A - SVG for high-voltage static synchronous reactive compensation device - Google Patents
SVG for high-voltage static synchronous reactive compensation device Download PDFInfo
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- CN104022517A CN104022517A CN201410264318.0A CN201410264318A CN104022517A CN 104022517 A CN104022517 A CN 104022517A CN 201410264318 A CN201410264318 A CN 201410264318A CN 104022517 A CN104022517 A CN 104022517A
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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 an SVG for a high-voltage static synchronous reactive compensation device. The SVG for the high-voltage static synchronous reactive compensation device is composed of a charging cabinet, a power cabinet set, a control cabinet and a connection electric reactor, wherein the charging cabinet, the power cabinet set and the control cabinet are connected in sequence, and the power cabinet set is composed of six power cabinets which are connected in parallel. The SVG for the high-voltage static synchronous reactive compensation device has the advantages that the power factors of a power grid can be improved effectively, reactive power can be compensated, the utilization rate of equipment can be improved, and the electric energy quality of the power grid can be improved; the SVG for the high-voltage static synchronous reactive compensation device is easy to achieve, and maintenance is more convenient and operation is more reliable through a modular structure.
Description
Technical field
The invention belongs to field of power electronics, relate to a kind of high-voltage static var generator (SVG), opening with the controllability of the transmission system of turn-offing to strengthen communication and strengthening transmission line power delivery ability of this equipment utilization power electronic device, is embodying the frontier science and technology of world's power industry.
Background technology
In prior art, the full name of SVG is static reacance generator, and it plays key effect in power transmission network, the large electrical network of receiving end and the control of user's side quality of power supply.SVG is taking Three-phase high-power voltage inverter as core, its output voltage is by transformer or reactor connecting system, keep with frequency, homophase with system side voltage, determine character and the capacity of power output by regulating the relation of its output voltage amplitude and system voltage amplitude, in the time that its amplitude is greater than system side voltage magnitude, export capacitive reactive power, while being less than, output perception is idle.
Summary of the invention
The object of the invention is to overcome the shortcoming of above-mentioned prior art, a kind of high voltage static synchronization reactive compensator SVG is provided, adopted modular structure, make easy to maintenance, reliable.
The object of the invention is to solve by the following technical programs:
A kind of high voltage static synchronization reactive compensator SVG, is made up of charging cabinet, power group, control cubicle and linked reactor; Described charging cabinet, power group are connected successively with control cubicle; Power group is made up of six power cabinets in parallel.
Described charging cabinet comprises starting switch, charging resistor, lightning arrester, bypass contactor summation current transformer.
In described charging cabinet, installed by 3 every phase starting resistances that power resistor is in series, bypass contactor, current Hall transducer and lightning arrester are arranged at bottom; Power cabinet top disposes blower fan, and power model is laid in cabinet inside, contains the parts such as 6 DC capacitors, two IGBT modules, two drive plates, two Absorption Capacitances and a radiator in power model.
Described power cabinet contains 36 power models, 12 of every phases, and 12 power module cascade connections get up, and Y connects and composes three-phase complete machine SVG; Each power model is H bridge inverter structure, wherein contains two IGBT modules.
Described control cubicle comprises controller, display operating panel, control power supply, relay and air switch.
For this 10kV SVG, in its power cabinet cabinet, contain 36 power models, 12 of every phases, 12 power module cascade connections get up, and Y connects and composes three-phase complete machine SVG.Each power model is H bridge inverter structure, wherein contains two IGBT modules, and what these two IGBT modules adopted is German Infineon imported product, and technology maturation and quality are guaranteed.Modular structure makes easy to maintenance, reliable.
Charging cabinet is also named and starts cabinet, is the buffer zone that SVG is connected with electrical network, and it is made up of starting switch, charging resistor, lightning arrester, bypass contactor, the several parts of current transformer.
Power cabinet is the transformation of electrical energy main part of this equipment, for realizing the real-time transform of power; Adopt modularized design, the structure of power cell and performance can be in full accord; Modular structural design, makes product compactness, lightweight, and highly versatile, in the time that power model breaks down, makes to safeguard and maintenance simplification.Power cabinet body divides and is designed with unique air-cooling device and passage, safe and efficient.
Control cubicle is the brain of this equipment, is controlling the work of whole device.Formed by parts such as controller, display operating panel, control power supply, relay, air switches.Mainly complete control, protection and monitoring function.Controller adopts American TI Company high-speed digital signal process chip TMS320F28335 and large-scale F PGA chip.
Acting as of linked reactor limits idle output current; The high order harmonic component that filtering device produces; It couples together two voltage sources.When inductance value increases, filtering offset current high order harmonic component effect is better, but device offset current reduces.Capacity Selection: engineering is selected 10%～20% of device total capacity conventionally.
The beneficial effect of the technology of the present invention is:
1. can effectively improve power factor of electric network, compensating power, lifting means utilance, improves the electrical network quality of power supply.
2. realize simply, modular construction makes to keep in repair convenient, moves more reliable.
Brief description of the drawings
Fig. 1 is Principle of Electrical System block diagram of the present invention;
Fig. 2 is structural representation of the present invention;
Wherein: 1 is charging cabinet, 2 is power group, and 3 is control cubicle, and Fig. 2-1 is charging cabinet, and Fig. 2-2 are power group, and Fig. 2-3 are control cubicle;
Fig. 3 is controller panel schematic diagram
Fig. 4 is linked reactor.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Referring to Fig. 1,2,3 and 4, a kind of high voltage static synchronization reactive compensator SVG, is made up of charging cabinet 1, power group 2, control cubicle 3 and linked reactor; Described charging cabinet 1, power group 2 and control cubicle 3 are connected successively; Power group 2 is made up of six power cabinets in parallel.
Described charging cabinet comprises starting switch, charging resistor, lightning arrester, bypass contactor summation current transformer, and structure refers to claim 3 and accompanying drawing 2-1.
In described charging cabinet, installed by 3 every phase starting resistances that power resistor is in series, bypass contactor, current Hall transducer and lightning arrester are arranged at bottom; Power cabinet top disposes blower fan, and power model is laid in cabinet inside, contains the parts such as 6 DC capacitors, two IGBT modules, two drive plates, two Absorption Capacitances and a radiator in power model.
Described power cabinet contains 36 power models, 12 of every phases, and 12 power module cascade connections get up, and Y connects and composes three-phase complete machine SVG; Each power model is H bridge inverter structure, wherein contains two IGBT modules.Concrete structure refers to claim 4 and accompanying drawing 2-2
Described control cubicle comprises controller, display operating panel, control power supply, relay and air switch; Concrete structure refers to claim 5 and accompanying drawing 2-3.
Described linked reactor, concrete structure refers to claim 6 and accompanying drawing 4.
For this 10kV SVG, in its power cabinet cabinet, contain 36 power models, 12 of every phases, 12 power module cascade connections get up, and Y connects and composes three-phase complete machine SVG.Each power model is H bridge inverter structure, wherein contains two IGBT modules, and what these two IGBT modules adopted is German Infineon imported product, and technology maturation and quality are guaranteed.Modular structure makes easy to maintenance, reliable.
Charging cabinet is also named and starts cabinet, is the buffer zone that SVG is connected with electrical network, and it is made up of starting switch, charging resistor, lightning arrester, bypass contactor, the several parts of current transformer.
Power cabinet is the transformation of electrical energy main part of this equipment, for realizing the real-time transform of power; Adopt modularized design, the structure of power cell and performance can be in full accord; Modular structural design, makes product compactness, lightweight, and highly versatile, in the time that power model breaks down, makes to safeguard and maintenance simplification.Power cabinet body divides and is designed with unique air-cooling device and passage, safe and efficient.
Control cubicle is the brain of this equipment, is controlling the work of whole device.Formed by parts such as controller, display operating panel, control power supply, relay, air switches.Mainly complete control, protection and monitoring function.Controller adopts American TI Company high-speed digital signal process chip TMS320F28335 and large-scale F PGA chip.
In Fig. 1, power on to main circuit by circuit breaker and high voltage isolator, complete soft start by charging resistor, complete 12 tunnel signals collecting by system PT, system CT and device CT.The whole control core of SVG is positioned at Setup Controller, integrates control, protects and monitors.
In Fig. 2, from left to right, be followed successively by charging cabinet, power group (6 middle cabinets) and control cubicle.In charging cabinet, installed by 3 every phase starting resistances that power resistor is in series, bypass contactor, current Hall transducer and lightning arrester are arranged at bottom; Power cabinet top disposes blower fan, power model is laid in cabinet inside, contains the parts such as 6 DC capacitors, two IGBT modules, two drive plates, two Absorption Capacitances and a radiator, compact conformation in power model, install ingenious, for SVG complete machine reliability service provides guarantee; In control cubicle, be furnished with control cabinet, Industry Control panel computer, UPS, multiple air switch and contactor etc., adopt Digitizing And Control Unit, collection is controlled and is protected in one, and is monitoring complete machine SVG running status.
Fig. 3 has shown controller panel structure, contains multiple control circuit boards, comprises that power panel, AD signal regulating panel, DSP control board, input and output plate, optical fiber receive trigger board and motherboard etc.Provide ± 15V of power panel, 24V, 5V DC power supply, respective electric element work in drive control box; AD plate completes conditioning and the conversion work of collection signal; Master control borad completes control algolithm by the mode of DSP+CPLD combination, produces PWM ripple; IO plate provides the closure of Control external contact and the function of shutoff; Fibre optic plate is responsible for pulse distribution and the work such as is issued.SVG controller is the core control part of chain type SVG (static synchronous compensating device), mainly the data acquisition of finishing device, dynamic reactive/voltage control algorithm, the logic control of system mode process, the function such as control and protection of change of current chain.
Above content is in conjunction with concrete preferred implementation further description made for the present invention; can not assert that the specific embodiment of the present invention only limits to this; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; can also make some simple deduction or replace, all should be considered as belonging to the present invention and determine scope of patent protection by submitted to claims.
Claims (6)
1. a high voltage static synchronization reactive compensator SVG, is characterized in that: be made up of charging cabinet, power group, control cubicle and linked reactor; Described charging cabinet, power group are connected successively with control cubicle; Power group is made up of six power cabinets in parallel.
2. high voltage static synchronization reactive compensator SVG as claimed in claim 1, is characterized in that: in charging cabinet, installed by 3 every phase starting resistances that power resistor is in series, bypass contactor, current Hall transducer and lightning arrester are arranged at bottom; Power cabinet top disposes blower fan, and power model is laid in cabinet inside, contains 6 DC capacitors, two IGBT modules, two drive plates, two Absorption Capacitances and a radiator in power model; Control cubicle comprises UPS, controller, Industry Control panel computer, display operating panel, control power supply, contactor and air switch.
3. the charging cabinet of high voltage static synchronization reactive compensator SVG as claimed in claim 1, it is characterized in that: the starting switch of described charging cabinet is positioned on cabinet door, charging resistor is positioned on the resistance insulation frame at charging cabinet middle part, lightning arrester is positioned on charging cabinet bottom front insulation board, middle part, bottom is current Hall transducer, and rear end, bottom is bypass contactor.
4. the power cabinet of high voltage static synchronization reactive compensator SVG as claimed in claim 1, is characterized in that: described power cabinet is containing 36 power models, 12 of every phases, and 12 power module cascade connections get up, and Y connects and composes three-phase complete machine SVG; Each power model is H bridge inverter structure, wherein contains two IGBT modules.
5. the control cubicle of high voltage static synchronization reactive compensator SVG as claimed in claim 1, it is characterized in that: the UPS of described control cubicle is positioned at control cubicle bottom, on the panel at control cubicle middle part, contactor and air switch are housed, panel top is control cabinet, control cabinet upper end is that another panel is display operating panel, on this panel, contactor is housed; On control cubicle cabinet door, Industry Control panel computer is housed.
6. the linked reactor of high voltage static synchronization reactive compensator SVG as claimed in claim 1, is characterized in that: described linked reactor is tri-phase iron core reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264318.0A CN104022517A (en) | 2014-06-13 | 2014-06-13 | SVG for high-voltage static synchronous reactive compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264318.0A CN104022517A (en) | 2014-06-13 | 2014-06-13 | SVG for high-voltage static synchronous reactive compensation device |
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| Publication Number | Publication Date |
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| CN104022517A true CN104022517A (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410264318.0A Pending CN104022517A (en) | 2014-06-13 | 2014-06-13 | SVG for high-voltage static synchronous reactive compensation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107908206A (en) * | 2017-12-28 | 2018-04-13 | 安徽明都电气有限公司 | A kind of temperature control system of high-voltage electrical cabinet |
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| CN101420127A (en) * | 2007-10-23 | 2009-04-29 | 上海久隆电力科技有限公司 | Harmonic treating apparatus with reactive power compensation |
| CN102510066A (en) * | 2011-10-27 | 2012-06-20 | 荣信电力电子股份有限公司 | Integrated intensive static var compensation (SVG) cabinet based on multi-unit integrated drawer type power module |
| CN202798000U (en) * | 2012-09-21 | 2013-03-13 | 郑州赛金电气有限公司 | Static var generator (SVG) high voltage static reactive power compensation system |
| CN103390895A (en) * | 2012-05-08 | 2013-11-13 | 沈阳汇丰电力自动化有限公司 | Static var generator |
| CN203301159U (en) * | 2013-05-25 | 2013-11-20 | 常州市武进华联电控设备有限公司 | Static reactive generator power cabinet |
| CN203434451U (en) * | 2013-09-06 | 2014-02-12 | 河北旭辉电气股份有限公司 | Combined-type SVG power cabinet |
| CN103795067A (en) * | 2014-02-13 | 2014-05-14 | 辽宁立德电力电子股份有限公司 | Control method for 66 KV high-voltage directly-hung var generator |
-
2014
- 2014-06-13 CN CN201410264318.0A patent/CN104022517A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420127A (en) * | 2007-10-23 | 2009-04-29 | 上海久隆电力科技有限公司 | Harmonic treating apparatus with reactive power compensation |
| CN102510066A (en) * | 2011-10-27 | 2012-06-20 | 荣信电力电子股份有限公司 | Integrated intensive static var compensation (SVG) cabinet based on multi-unit integrated drawer type power module |
| CN103390895A (en) * | 2012-05-08 | 2013-11-13 | 沈阳汇丰电力自动化有限公司 | Static var generator |
| CN202798000U (en) * | 2012-09-21 | 2013-03-13 | 郑州赛金电气有限公司 | Static var generator (SVG) high voltage static reactive power compensation system |
| CN203301159U (en) * | 2013-05-25 | 2013-11-20 | 常州市武进华联电控设备有限公司 | Static reactive generator power cabinet |
| CN203434451U (en) * | 2013-09-06 | 2014-02-12 | 河北旭辉电气股份有限公司 | Combined-type SVG power cabinet |
| CN103795067A (en) * | 2014-02-13 | 2014-05-14 | 辽宁立德电力电子股份有限公司 | Control method for 66 KV high-voltage directly-hung var generator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107908206A (en) * | 2017-12-28 | 2018-04-13 | 安徽明都电气有限公司 | A kind of temperature control system of high-voltage electrical cabinet |
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Application publication date: 20140903 |
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