CN102368615A - SVC (static vary compensation) closed type circulating pure water cooling system - Google Patents
SVC (static vary compensation) closed type circulating pure water cooling system Download PDFInfo
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- CN102368615A CN102368615A CN2011103007333A CN201110300733A CN102368615A CN 102368615 A CN102368615 A CN 102368615A CN 2011103007333 A CN2011103007333 A CN 2011103007333A CN 201110300733 A CN201110300733 A CN 201110300733A CN 102368615 A CN102368615 A CN 102368615A
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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 SVC (static vary compensation) closed type circulating pure water cooling system which comprises a main circulating water pump, a motorized three-way valve, a plate heat exchanger, a main filter, a converter valve and a heating degassing tank, wherein an outlet of the main circulating water pump, the motorized three-way valve, the plate heat exchanger, the main filter, the heating degassing tank and an inlet of the main circulating water pump are connected in sequence to form a main circulation loop through a pipeline, and the third end of the motorized three-way valve is connected with an inlet of the main filter. The SVC closed type circulating pure water cooling system provided by the invention can provide stable flow and effective cooling, the temperature of the cooling water entering the valve is basically stable without increasing or lowering suddenly; meanwhile, the SVC closed type circulating pure water cooling system can track the heat load change of a thyristor valve to keep the temperature of the cooling water entering the valve in a setting range and can provide a reliable protection on the stable operation of the converter valve.
Description
Technical field
The present invention relates to a kind of cooling system, particularly a kind of SVC thyristor hermetic circulating type pure water cooling system that is used for.
Background technology
SVC (Static Var Compensator; Be called for short SVC) be that present domestic electric power system is progressively promoted and comparatively ripe flexible AC electrical power trans mission/distribution system equipment; It improves the safety operation level and the quality of power supply of electrical network through controlling problems such as the stability that exists in the idle means resolution system, voltage fluctuation.SVC will produce great amount of heat in the course of the work, and its cooling problem has a strong impact on the Performance And Reliability of auto levelizer.Therefore, must adopt effective radiating mode.The hermetic circulating type pure water cooling system is that the operation of SVC provides good radiating condition, makes thyristor and water resistance among the SVC carry out heat exchange, discharges heat, thereby makes SVC device safety and operation normally.
Summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned prior art, a kind of SVC hermetic circulating type pure water cooling system is provided, converter valve is cooled off, for the stable operation of converter valve in practical application provides effective guarantee.
The object of the invention is realized through following technical scheme:
A kind of SVC hermetic circulating type pure water cooling system, said system comprises major cycle water pump, electric T-shaped valve, plate heat exchanger, main filter, converter valve and heat de-airing jar; Said major cycle exit of pump, electric T-shaped valve, plate heat exchanger, main filter, heat de-airing jar and the import of major cycle water pump are in turn connected to form main circulation loop through pipeline, and electric T-shaped valve the 3rd end is connected with main filter inlet.
In order better to realize the present invention; Said SVC hermetic circulating type pure water cooling system also comprises the water treatment loop; Said water treatment loop comprises ion-exchanger and accurate filter, and the ion-exchanger import is connected with main filter outlet, and the ion-exchanger outlet is connected with the accurate filter import; The accurate filter outlet is connected with the import of major cycle water pump, and said accurate filter import is provided with first Pressure gauge.For adapting to the instructions for use of large power power electronic appliance under high voltage condition, prevent under high voltage environment, to produce leakage current, coolant must possess extremely low conductivity.Therefore on the major cycle cooling circuit parallel connection deionized water treatment loop.The a part of coolant that the presets flow ion-exchanger of flowing through constantly purifies the ion that possibly separate out in the pipeline, through accurate filter, collaborates before main circulation pump with the main circulation loop coolant then.
In order better to realize the present invention; Said SVC hermetic circulating type pure water cooling system also comprises the nitrogen stabilization pressure system; Said nitrogen stabilization pressure system comprises expansion drum and nitrogen cylinder; Expansion drum is connected with ion-exchanger and accurate filter, and nitrogen cylinder is connected with expansion drum, is provided with the first conductivity transmitter, first liquid level gauge, first liquid-level switch and second liquid-level switch in the said expansion drum.The nitrogen stabilization pressure system keeps being full of coolant and secluding air in the system pipeline.The volume change that expansion drum available buffer cooling water produces because of variations in temperature.The top of expansion drum is filled with the high pure nitrogen of steady pressure, when coolant because of exosmosing on a small quantity or electrolysis when losing, nitrogen is expanded automatically, is pressed into circulating pipe system to coolant, with the constant pressure that keeps pipeline and be full of coolant.
In order better to realize the present invention; Said SVC hermetic circulating type pure water cooling system also comprises water charging system; Said water charging system comprises water supply tank, small pump and the moisturizing filter that connects successively; The moisturizing filter outlet is connected with the ion-exchanger import, and said moisturizing filter inlet is provided with second Pressure gauge, and said water supply tank is provided with second liquid level gauge.
In order better to realize the present invention, said ion-exchanger is two parallel connections, and said major cycle exit of pump is provided with the 3rd Pressure gauge, and import is provided with first pressure transmitter.Two ion-exchangers can the using and the reserved, and the resin in the operation ion-exchanger lost efficacy, when causing the coolant conductivity to raise, and changeable subsequent use ion-exchanger, the assurance system normally moves.
In order better to realize the present invention, said heat de-airing jar is connected with electric heater.Winter, outdoor environment temperature was extremely low; When thyristor valve underrun, cooling water are advanced the valve temperature and dropped to set point, start electric heater; Prevent that cooling water from advancing that the valve temperature is low excessively to be caused along the Cheng Guanlu and the device damage that is cooled; Or cooling water starts electricity and adds device when advancing the valve temperature and dropping near dew point, prevents thyristor radiator or pipeline surface sweating influence insulation.
In order better to realize the present invention, said major cycle water pump is two parallel connections, and said major cycle exit of pump is provided with the 3rd Pressure gauge, and import is provided with first pressure transmitter.Two circulating water pumps can the using and the reserved, prevent when certain pump from breaking down subsequent use.
In order better to realize the present invention, said plate heat exchanger is connected to filter, and said filter inlet is provided with the 4th Pressure gauge, and outlet is provided with thermometer.The cleaning that keeps the cooling water of entering plate heat exchanger.
In order better to realize the present invention; Said SVC hermetic circulating type pure water cooling system also comprises three control valves; First control valve is between main filter and converter valve; Second control valve is between converter valve and heat de-airing jar, and the 3rd control valve one end is connected with electric T-shaped valve the 3rd end, and the other end is connected with main filter inlet.The 3rd control valve is provided with certain aperture, and the water resistance of simulation plate heat exchanger guarantees that system pressure is stable when the electric three passes opening of valves.According to the aperture that the system requirements of reality is regulated first control valve and second control valve, make system reach metered flow and rated pressure.
In order better to realize the present invention, said main filter inlet is provided with the 5th Pressure gauge, and outlet is provided with the 6th Pressure gauge; The import of said converter valve is provided with second pressure transmitter, first temperature transmitter and the second conductivity transmitter, and outlet is provided with the 5th Pressure gauge, second temperature transmitter and flow transmitter.
The invention has the beneficial effects as follows: SVC hermetic circulating type pure water cooling system provided by the invention can provide stable flow rate; Effectively cooling; It is basicly stable that cooling water advances the valve temperature, and cooling water advances the rapid drawdown that can not rise sharply of valve temperature, and SVC hermetic circulating type pure water cooling system can be followed the tracks of the thyristor valve heat load through the water-cooling amount and change; Make cooling water advance the valve temperature stabilization in setting range, for converter valve stable operation provides reliable guarantee.
Description of drawings
Fig. 1 is an embodiment of the invention structural representations.
Embodiment
Below in conjunction with embodiment and accompanying drawing an embodiment of the invention are described in further detail, but execution mode of the present invention is not limited thereto.
As shown in Figure 1, a kind of SVC hermetic circulating type pure water cooling system comprises major cycle water pump 1, electric T-shaped valve 2, plate heat exchanger 3, main filter 4, control valve 5,6 and 8, heat de-airing jar 9; Said major cycle water pump 1 outlet, electric T-shaped valve 2, plate heat exchanger 3, main filter 4, control valve 6, converter valve 7, control valve 8, heat de-airing jar 9 and 1 import of major cycle water pump are through the pipeline formation main circulation loop that is connected in turn; Control valve 5 one ends are connected with electric T-shaped valve 2 the 3rd end, and the other end is connected with main filter 4 imports.
Said SVC hermetic circulating type pure water cooling system also comprises the water treatment loop; Said water treatment loop comprises ion-exchanger 10 and accurate filter 11; Ion-exchanger 10 imports are connected with main filter 4 outlets; Ion-exchanger 10 outlets are connected with accurate filter 11 imports, and accurate filter 11 outlets are connected with 1 import of major cycle water pump.
Said SVC hermetic circulating type pure water cooling system also comprises the nitrogen stabilization pressure system, and said nitrogen stabilization pressure system comprises expansion drum 12 and nitrogen cylinder 13, and expansion drum 12 is connected with ion-exchanger 10 and accurate filter 11, and nitrogen cylinder is connected with expansion drum 12.
Said SVC hermetic circulating type pure water cooling system also comprises water charging system, and said water charging system comprises water supply tank 14, small pump 15 and the moisturizing filter 16 that connects successively, and 16 outlets of moisturizing filter are connected with ion-exchanger 10 imports.When expansion drum 12 liquid levels were lower than small pump 15 startup liquid levels, the system prompt operating personnel started small pump, stop automatically when reaching the termination of pumping liquid level.
Said ion-exchanger 10 is two ion-exchanger 10-1 and 10-2 parallel connection.
Said heat de-airing jar 9 is connected with electric heater 91.
Said major cycle water pump 1 is two major cycle water pump 1-1 and 1-2 parallel connection.
Said plate heat exchanger 3 is connected to filter 17.
Said major cycle water pump 1 outlet is provided with Pressure gauge 18, and import is provided with pressure transmitter 19, the operation conditions of monitoring main circulation pump.
Said main filter 4 imports are provided with Pressure gauge 20, and outlet is provided with Pressure gauge 21, monitors the ruuning situation of main filter, and whether in time understand main filter has obstruction.
The import of said converter valve 7 is provided with pressure transmitter 22, and outlet is provided with Pressure gauge 23, and the pressure of water supply of monitoring converter valve and backwater guarantees the normal operation of converter valve.
Said accurate filter 11 imports are provided with Pressure gauge 24.Said moisturizing filter 16 imports are provided with Pressure gauge 25.Said filter 17 imports are provided with Pressure gauge 26.Whether detect the ruuning situation of each filter, in time understanding each filter has obstruction.
The import of said converter valve 7 is provided with temperature transmitter 27, and outlet is provided with temperature transmitter 28.The temperature of water supply of monitoring converter valve and backwater, the heat-sinking capability according to variation of temperature adjustment plate heat exchanger guarantees the normal operation of converter valve.
Said filter 17 outlets are provided with thermometer 29.The supply water temperature of monitoring plate heat exchanger.Understand the water supply situation of outer cold water.
The import of said converter valve 7 is provided with conductivity transmitter 30, and outlet is provided with flow transmitter.The conductivity of monitoring system guarantees the normal operation of converter valve.
Be provided with conductivity transmitter 31 in the said expansion drum 12.Monitor the water conductivity that of ion-exchanger.But when conductivity rose, timely switchover operation ion-exchanger is subsequent use ion-exchanger extremely, and changed the former resin.
Said expansion drum 12 is provided with liquid level gauge 32, liquid-level switch 33 and liquid-level switch 34.Said water supply tank 14 is provided with liquid level gauge 35.Monitor each level condition, timely moisturizing when liquid level reaches low value.
The foregoing description is a preferred implementation of the present invention; But execution mode of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. SVC hermetic circulating type pure water cooling system, it is characterized in that: said system comprises major cycle water pump (1), electric T-shaped valve (2), plate heat exchanger (3), main filter (4), converter valve (7) and heat de-airing jar (9); Said major cycle water pump (1) outlet, electric T-shaped valve (2), plate heat exchanger (3), main filter (4), heat de-airing jar (9) and major cycle water pump (1) import are in turn connected to form main circulation loop through pipeline, and electric T-shaped valve (2) the 3rd end is connected with main filter (4) import.
2. a kind of SVC hermetic circulating type pure water cooling system according to claim 1; It is characterized in that: said SVC hermetic circulating type pure water cooling system also comprises the water treatment loop; Said water treatment loop comprises ion-exchanger (10) and accurate filter (11); Ion-exchanger (10) import is connected with main filter (4) outlet; Ion-exchanger (10) outlet is connected with accurate filter (11) import, and accurate filter (11) outlet is connected with major cycle water pump (1) import, and said accurate filter (11) import is provided with first Pressure gauge.
3. a kind of SVC hermetic circulating type pure water cooling system according to claim 2; It is characterized in that: said SVC hermetic circulating type pure water cooling system also comprises the nitrogen stabilization pressure system; Said nitrogen stabilization pressure system comprises expansion drum (12) and nitrogen cylinder (13); Expansion drum (12) is connected with ion-exchanger (10) and accurate filter (11); Nitrogen cylinder is connected with expansion drum (12), is provided with the first conductivity transmitter, first liquid level gauge, first liquid-level switch and second liquid-level switch in the said expansion drum (12).
4. a kind of SVC hermetic circulating type pure water cooling system according to claim 2; It is characterized in that: said SVC hermetic circulating type pure water cooling system also comprises water charging system; Said water charging system comprises water supply tank (14), small pump (15) and the moisturizing filter (16) that connects successively; Moisturizing filter (16) outlet is connected with ion-exchanger (10) import, and said moisturizing filter (16) import is provided with second Pressure gauge, and said water supply tank (14) is provided with second liquid level gauge.
5. a kind of SVC hermetic circulating type pure water cooling system according to claim 2 is characterized in that: said ion-exchanger (10) is two parallel connections.
6. a kind of SVC hermetic circulating type pure water cooling system according to claim 1 is characterized in that: said heat de-airing jar (9) is connected with electric heater (91).
7. a kind of SVC hermetic circulating type pure water cooling system according to claim 1 is characterized in that: said major cycle water pump (1) is two parallel connections, and said major cycle water pump (1) outlet is provided with the 3rd Pressure gauge, and import is provided with first pressure transmitter.
8. a kind of SVC hermetic circulating type pure water cooling system according to claim 1, it is characterized in that: said plate heat exchanger (3) is connected to filter (17), and said filter (17) import is provided with the 4th Pressure gauge, and outlet is provided with thermometer.
9. a kind of SVC hermetic circulating type pure water cooling system according to claim 1; It is characterized in that: said SVC hermetic circulating type pure water cooling system also comprises control valve (5), (6) and (8); Control valve (6) is positioned between main filter (4) and the converter valve (7); Control valve (8) is positioned between converter valve (7) and the heat de-airing jar (9), and control valve (5) one ends are connected with electric T-shaped valve (2) the 3rd end, and the other end is connected with main filter (4) import.
10. a kind of SVC hermetic circulating type pure water cooling system according to claim 1 is characterized in that: said main filter (4) import is provided with the 5th Pressure gauge, and outlet is provided with the 6th Pressure gauge; The import of said converter valve (7) is provided with second pressure transmitter, first temperature transmitter and the second conductivity transmitter, and outlet is provided with the 5th Pressure gauge, second temperature transmitter and flow transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103007333A CN102368615A (en) | 2011-09-30 | 2011-09-30 | SVC (static vary compensation) closed type circulating pure water cooling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103007333A CN102368615A (en) | 2011-09-30 | 2011-09-30 | SVC (static vary compensation) closed type circulating pure water cooling system |
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| CN102368615A true CN102368615A (en) | 2012-03-07 |
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| CN2011103007333A Pending CN102368615A (en) | 2011-09-30 | 2011-09-30 | SVC (static vary compensation) closed type circulating pure water cooling system |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583595A (en) * | 2012-03-08 | 2012-07-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Purification and detection system for pure water used for cooling converter valve |
| CN103021976A (en) * | 2012-12-05 | 2013-04-03 | 广州高澜节能技术股份有限公司 | Sealed circulation water cooling device with conductivity protection function |
| WO2013078843A1 (en) * | 2011-12-01 | 2013-06-06 | 国家电网公司 | Closed circulating water cooling apparatus and method therefor |
| WO2013078844A1 (en) * | 2011-12-01 | 2013-06-06 | 国家电网公司 | Closed circulating water cooling apparatus and method |
| CN103957683A (en) * | 2014-05-13 | 2014-07-30 | 瑟帕斯（天津）水系统科技有限公司 | Sealed type circulating cooling system suitable for power electronic equipment |
| CN105226535A (en) * | 2015-10-30 | 2016-01-06 | 比赫电气（太仓）有限公司 | A kind of flexible AC transmission equipment water-cooling system |
| CN106253635A (en) * | 2016-08-17 | 2016-12-21 | 常州博瑞电力自动化设备有限公司 | The double water distribution cooling system of a kind of direct-current transmission converter valve |
| EP3182813A1 (en) * | 2015-12-18 | 2017-06-21 | ABB Technology Oy | Inverter cooler system |
| US9756762B2 (en) | 2011-12-01 | 2017-09-05 | State Grid Corporation Of China | Circulative cooling system and method for controlling circulation in the cooling system |
| CN107912007A (en) * | 2017-12-21 | 2018-04-13 | 国网上海市电力公司 | A kind of water-cooling system |
| CN107960043A (en) * | 2017-10-30 | 2018-04-24 | 全球能源互联网研究院 | A kind of converter valve and its water-cooling system |
| CN108549313A (en) * | 2018-04-19 | 2018-09-18 | 四川川润液压润滑设备有限公司 | The control method of static reactive water-cooling circulating system |
| CN109217632A (en) * | 2017-06-29 | 2019-01-15 | 许昌许继晶锐科技有限公司 | A kind of direct-current transmission converter valve aerial cooler string cooling tower cooling system |
| CN109557963A (en) * | 2018-12-25 | 2019-04-02 | 苏州奥德机械有限公司 | A kind of industry simulation test control system that can be precisely controlled flow and temperature |
| CN109585031A (en) * | 2018-10-16 | 2019-04-05 | 中国科学院合肥物质科学研究院 | A kind of water quality managing and control system based on Superconducting tokamak device |
| CN110057223A (en) * | 2019-04-01 | 2019-07-26 | 全球能源互联网研究院有限公司 | A kind of liquid-cooled heat-producing device Complex-cooling system and method |
| CN113035519A (en) * | 2019-12-24 | 2021-06-25 | 新疆金风科技股份有限公司 | Cooling system of wind generating set and wind generating set |
| CN114967885A (en) * | 2022-06-05 | 2022-08-30 | 比赫电气（太仓）有限公司 | Cold volume distribution system of server liquid cooling system |
| CN115232897A (en) * | 2022-06-28 | 2022-10-25 | 武汉钢铁有限公司 | Method for regulating water quantity of blast furnace soft water closed circulation cooling system |
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| CN202260470U (en) * | 2011-09-30 | 2012-05-30 | 广州高澜节能技术股份有限公司 | SVC hermetic type circulating purified water cooling system |
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|---|---|---|---|---|
| US9756762B2 (en) | 2011-12-01 | 2017-09-05 | State Grid Corporation Of China | Circulative cooling system and method for controlling circulation in the cooling system |
| WO2013078843A1 (en) * | 2011-12-01 | 2013-06-06 | 国家电网公司 | Closed circulating water cooling apparatus and method therefor |
| WO2013078844A1 (en) * | 2011-12-01 | 2013-06-06 | 国家电网公司 | Closed circulating water cooling apparatus and method |
| US9863653B2 (en) | 2011-12-01 | 2018-01-09 | State Grid Corporation Of China | Closed circulating water cooling apparatus and method |
| US9596786B2 (en) | 2011-12-01 | 2017-03-14 | State Grid Corporation Of China | Closed circulating water cooling apparatus and method |
| CN102583595B (en) * | 2012-03-08 | 2014-04-30 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Purification and detection system for pure water used for cooling converter valve |
| CN102583595A (en) * | 2012-03-08 | 2012-07-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Purification and detection system for pure water used for cooling converter valve |
| CN103021976A (en) * | 2012-12-05 | 2013-04-03 | 广州高澜节能技术股份有限公司 | Sealed circulation water cooling device with conductivity protection function |
| CN103957683A (en) * | 2014-05-13 | 2014-07-30 | 瑟帕斯（天津）水系统科技有限公司 | Sealed type circulating cooling system suitable for power electronic equipment |
| CN105226535A (en) * | 2015-10-30 | 2016-01-06 | 比赫电气（太仓）有限公司 | A kind of flexible AC transmission equipment water-cooling system |
| EP3182813A1 (en) * | 2015-12-18 | 2017-06-21 | ABB Technology Oy | Inverter cooler system |
| CN106253635A (en) * | 2016-08-17 | 2016-12-21 | 常州博瑞电力自动化设备有限公司 | The double water distribution cooling system of a kind of direct-current transmission converter valve |
| CN109217632A (en) * | 2017-06-29 | 2019-01-15 | 许昌许继晶锐科技有限公司 | A kind of direct-current transmission converter valve aerial cooler string cooling tower cooling system |
| CN107960043A (en) * | 2017-10-30 | 2018-04-24 | 全球能源互联网研究院 | A kind of converter valve and its water-cooling system |
| CN107912007A (en) * | 2017-12-21 | 2018-04-13 | 国网上海市电力公司 | A kind of water-cooling system |
| CN108549313A (en) * | 2018-04-19 | 2018-09-18 | 四川川润液压润滑设备有限公司 | The control method of static reactive water-cooling circulating system |
| CN109585031A (en) * | 2018-10-16 | 2019-04-05 | 中国科学院合肥物质科学研究院 | A kind of water quality managing and control system based on Superconducting tokamak device |
| CN109557963A (en) * | 2018-12-25 | 2019-04-02 | 苏州奥德机械有限公司 | A kind of industry simulation test control system that can be precisely controlled flow and temperature |
| CN110057223A (en) * | 2019-04-01 | 2019-07-26 | 全球能源互联网研究院有限公司 | A kind of liquid-cooled heat-producing device Complex-cooling system and method |
| CN113035519A (en) * | 2019-12-24 | 2021-06-25 | 新疆金风科技股份有限公司 | Cooling system of wind generating set and wind generating set |
| CN114967885A (en) * | 2022-06-05 | 2022-08-30 | 比赫电气（太仓）有限公司 | Cold volume distribution system of server liquid cooling system |
| CN114967885B (en) * | 2022-06-05 | 2024-02-27 | 比赫电气（太仓）有限公司 | Cold volume distribution system of server liquid cooling system |
| CN115232897A (en) * | 2022-06-28 | 2022-10-25 | 武汉钢铁有限公司 | Method for regulating water quantity of blast furnace soft water closed circulation cooling system |
| CN115232897B (en) * | 2022-06-28 | 2023-05-23 | 武汉钢铁有限公司 | Method for adjusting water quantity of blast furnace soft water closed circulation cooling system |
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Application publication date: 20120307 |