CN106253635A - The double water distribution cooling system of a kind of direct-current transmission converter valve - Google Patents
The double water distribution cooling system of a kind of direct-current transmission converter valve Download PDFInfo
- Publication number
- CN106253635A CN106253635A CN201610688046.6A CN201610688046A CN106253635A CN 106253635 A CN106253635 A CN 106253635A CN 201610688046 A CN201610688046 A CN 201610688046A CN 106253635 A CN106253635 A CN 106253635A
- Authority
- CN
- China
- Prior art keywords
- circulation pump
- converter valve
- main circulation
- current transmission
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention mainly relates to the double water distribution cooling system of a kind of direct-current transmission converter valve, include flow switch module, three-way valve, outer cold closed cooling tower, major cycle filter, detection handover module, converter valve heat generating component, degassing tank and the connecting line of each inter-module successively；Wherein said three-way valve one end connection traffic handover module, one end connects outer cold closed cooling tower, and the other end is connected on the connecting line between outer cold closed cooling tower and major cycle filter.The beneficial effects of the present invention is and provide the double water distribution cooling system of a kind of direct-current transmission converter valve, compared to existing technology, it can realize the adjustable of closed circuit medium flow easily and control, and can meet the demand of different tests operating mode；Can according to the change of converter valve thermic load, make cooling water enter valve temperature stabilization set in the range of, ensure converter valve reliability service；The range of accommodation of flow and lift is wider.
Description
Technical field
The present invention relates to a kind of cooling system, particularly to the double water distribution cooling system of a kind of direct-current transmission converter valve.
Background technology
Needing to use closed circulating cooling system in direct-current transmission converter valve test, it mainly includes internal cooling system, outer
Cooling system, inside and outside cold even collecting system of water and control system etc..Wherein internal cooling system includes that main circulation loop, deionization prop up
Road, voltage-stabilizing system, water charging system etc..In main circulation loop, constant pressure and the cooling medium of flow velocity, moving by main circulation pump
Power circulate, enter extraneous air cooler, the heat that direct-current transmission converter valve is sent in air cooler with extraneous air
Carrying out heat exchange, the cooling medium after cooling enters back into main circulation loop, is back to main circulation pump entrance, forms Closed Cycle
Cooling system.
Using the valve module of different electric pressure during converter valve experiments, in process of the test, the heating of each valve module is damaged
Consumption is also by difference.For the test requirements document of satisfied different valve modules, closed circulating cooling system needs possess flow adjustment range
Condition wide, that flow is controlled, and constant flux water supply can be kept.Existing direct-current transmission converter valve water-cooling system range of accommodation is relatively
Narrow, or discharge is not enough when water-cooled demand is bigger, it is impossible to meet cooling requirement, otherwise when water-cooled demand is less without
Method is reduced to low discharge, causes waste.
Summary of the invention
It is an object of the invention to provide the double water distribution cooling of the controlled direct-current transmission converter valve of a kind of range of accommodation width, flow
System.
For achieving the above object, present invention employs following technical scheme: the double water distribution of a kind of direct-current transmission converter valve
Cooling system, includes flow switch module, three-way valve, outer cold closed cooling tower, major cycle filter, detection switching mould successively
Block, converter valve heat generating component, degassing tank and the connecting line of each inter-module；Wherein said three-way valve one end connection traffic switching mould
Block, one end connects outer cold closed cooling tower, and the other end is connected to the connection between outer cold closed cooling tower and major cycle filter
On pipeline, can the most effectively regulate circulation and the flow of outer cold closed cooling tower in entrance；
Described flow switch module includes the first loop module and the second loop module being connected in parallel, described first loop module
Include the first inlet pressure gauge, the first main circulation pump, the first delivery gauge successively；Described second loop module includes successively
Two inlet pressure gauge, the second main circulation pump, the second delivery gauge；Described first main circulation pump and the two ends of the second main circulation pump
It is equipped with valve；Described first main circulation pump and the second main circulation pump are variable frequency pump, and the first main circulation pump and the second master follow
The flow adjustable extent of ring pump is different；
Described detection handover module includes first detection module and the second detection module being connected in parallel；Described first detection module
Include the first temperature sensor, the first Pressure gauge and first flow sensor successively；Described second detection module includes successively
Two temperature sensors, the second Pressure gauge and second flow sensor；Described first detection module and the two ends of the second detection module
It is equipped with valve.
When enabling the first loop module, the valve at the first main circulation pump two ends is opened, the valve at the second main circulation pump two ends
Door is closed；Meanwhile, the valve at first detection module two ends is opened, the valve closing at the second detection module two ends；When enabling
During the second loop module, the valve at the second main circulation pump two ends is opened, the valve closing at the first main circulation pump two ends；Same with this
Time, the valve at the second detection module two ends opens, the valve closing at first detection module two ends.Due to the first main circulation pump and
Two main circulation pump flow adjustable extents are different, achieve relatively by the way of the first loop module and the switching of the second loop module
Wide flow adjustment range；If attempting to realize wider flow adjustment range only with a main circulation pump, it is most likely that nothing
Method purchases the circulating pump meeted the requirements, and obtains even if can purchase, its purchase cost and safeguard that use cost also substantially exceeds
This programme.
Preferably, the flow adjustable extent of described first main circulation pump and the second main circulation pump partially overlaps.First is main
The flow adjustable extent of circulating pump and the second main circulation pump partially overlaps and ensure that the first main circulation pump and the second main circulation pump
Can be with seamless switching during switching；Its operation principle is: power to the flow of the main circulation pump regulating relatively low discharge reaches coincidence model
Enclose；The main circulation pump power of regulation larger flow is suitable to flow, now closes the valve at the main circulation pump two ends of relatively low discharge,
The valve at the main circulation pump two ends simultaneously opening larger flow can realize seamless switching；Contribute to extending direct-current transmission converter valve
In the service life of double water distribution cooling systems, reduce fault rate.
Preferably, the bound of the flow adjustable extent intersection of described first main circulation pump and the second main circulation pump
Difference is less than the 20% of the first main circulation pump flow adjustable extent bound difference；Or it is adjustable less than the second main circulation pump flow
The 20% of adjusting range bound difference.The flow adjustable extent intersection of the first main circulation pump and the second main circulation pump upper
Lower limit difference is the most excessive, can cause the waste in the first main circulation pump and/or the second main circulation pump performance.
Preferably, the double water distribution cooling system of described direct-current transmission converter valve is also sequentially provided with several ions being arranged in parallel
Exchanger and ion exchanger filter；Company between the porch of described ion exchanger and filter and detection handover module
Adapter road connects；The outlet of described ion exchanger filter is connected with the pipeline between degassing tank and flow switch module.
Preferably, the exit of described ion exchanger filter is provided with surge tank and nitrogen cylinder；From ion exchanger
The cooling medium flowed out in filter is introduced into surge tank, then flows out from buffering pot bottom, enters detection handover module；Described slow
The top rushing tank is full of nitrogen, and when in system, cooling medium produces change in volume because of temperature, buffering tank deck given automatically by nitrogen cylinder
Portion's QI invigorating, to keep the pressure of pipeline and being full of of cooling medium.
Preferably, the double water distribution cooling system of described stream current transmission valve is additionally provided with replenisher tank and small pump；Work as system
In occur pressure surge relief tank liquid level less than setting value time, system can start small pump automatic water supplement.
Preferably, described small pump exit is provided with accurate filter, can cooling medium in effectively removing system
Ion, the electrical conductivity of long term maintenance cooling medium is kept low, thus safeguards system reliability service.
Preferably, described ion exchanger is provided with 1 ~ 4.
The beneficial effects of the present invention is and provide the double water distribution cooling system of a kind of direct-current transmission converter valve；Compare existing skill
Art, it can realize the adjustable of closed circuit medium flow easily and control, can meet the demand of different tests operating mode；Can
With the change according to converter valve thermic load, make cooling water enters valve temperature stabilization in the range of setting, and ensure converter valve can
By running；The range of accommodation of flow and lift is wider.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the detailed description of the invention of the double water distribution cooling system of direct-current transmission converter valve of the present invention；
Figure indicates: 1, the first main circulation pump；2, the second main circulation pump；31, the first delivery gauge；32, the second outlet pressure
Table；4, three-way valve；5, outer cold closed cooling tower；6, major cycle filter；7, the first temperature sensor；8, the first Pressure gauge；9、
First flow sensor；10, the second temperature sensor；11, the second Pressure gauge；12, second flow sensor；13, converter valve is sent out
Hot assembly；14, degassing tank；151, the first inlet pressure gauge；152, the second inlet pressure gauge；16, nitrogen cylinder；17, surge tank；
18, ion exchanger filter；19, ion exchanger；20, replenisher tank outlet filter；21, small pump；22, replenisher tank.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only with
The basic structure of the illustration explanation present invention, therefore it only shows the composition relevant with the present invention.
As it is shown in figure 1, the invention provides the double water distribution cooling system of a kind of direct-current transmission converter valve, include that flow is cut successively
Die change block, three-way valve 4, outer cold closed cooling tower 5, major cycle filter 6, detection handover module, converter valve heat generating component 13, de-
Gas tank 14 and the connecting line of each inter-module；Wherein three-way valve 4 one end connection traffic handover module, it is cold that one end connects outer cold enclosed
But tower 5, the other end is connected on the connecting line between outer cold closed cooling tower 5 and major cycle filter 6, can be the most effective
Regulation enter in circulation and the flow of outer cold closed cooling tower 5；
Flow switch module includes the first loop module and the second loop module being connected in parallel, and described first loop module is successively
Including first inlet pressure gauge the 151, first main circulation pump the 1, first delivery gauge 31；Second loop module includes second successively
Inlet pressure gauge the 152, second main circulation pump the 2, second delivery gauge 32；First main circulation pump 1 and the two of the second main circulation pump 2
End is equipped with valve；First main circulation pump 1 and the second main circulation pump 2 are variable frequency pump；
Described detection handover module includes first detection module and the second detection module being connected in parallel；Described first detection module
Include the first temperature sensor, the first Pressure gauge and first flow sensor successively；Described second detection module includes successively
Two temperature sensors, the second Pressure gauge and second flow sensor；Described first detection module and the two ends of the second detection module
It is equipped with valve.
In a preference of the present invention, the flow adjustment range of the first main circulation pump 1 is 0 ~ 35m3/ h, the second master follows
The flow adjustment range of ring pump 2 is 30 ~ 70m3/h.This device has tested successfully at present, and wins auspicious power automation in Changzhou
The success of equipment company limited runs 168 hours continuously, it is possible to achieve the seamless wide range regulation of flow.
When enabling the first loop module, the valve at the first main circulation pump 1 two ends is opened, the second main circulation pump 2 two ends
Valve closing；Meanwhile, the valve at first detection module two ends is opened, the valve closing at the second detection module two ends；When opening
During by the second loop module, the valve at the second main circulation pump 2 two ends is opened, the valve closing at the first main circulation pump 1 two ends；With this
Meanwhile, the valve at the second detection module two ends is opened, the valve closing at first detection module two ends.Due to the first main circulation pump 1
Different with the second main circulation pump 2 flow adjustable extent, real by the way of the first loop module and the switching of the second loop module
Show wider flow adjustment range；If attempting to realize wider flow adjustment range only with a main circulation pump, pole has
Possibly cannot purchase the circulating pump meeted the requirements, obtain even if can purchase, its purchase cost and safeguard that use cost is the biggest
Exceed greatly this programme.
In a preference of the present invention, the double water distribution cooling system of direct-current transmission converter valve is also sequentially provided with two parallel connections
The ion exchanger 19 arranged and ion exchanger filter 18；The porch of ion exchanger 19 is cut with filter 6 and detection
Connecting line between die change block connects；Between outlet and degassing tank 14 and the flow switch module of ion exchanger filter 18
Pipeline be connected.
In a preference of the present invention, the exit of ion exchanger filter 18 is provided with surge tank 17 and nitrogen
Bottle 16；The cooling medium flowed out from ion exchanger filter 18 is introduced into surge tank 17, then flows out bottom surge tank 17,
Enter detection handover module；The top of surge tank 17 is full of nitrogen, when in system, cooling medium produces change in volume because of temperature,
Surge tank top QI invigorating given automatically by nitrogen cylinder 16, to keep the pressure of pipeline and being full of of cooling medium.
In a preference of the present invention, the double water distribution cooling system of stream current transmission valve is additionally provided with replenisher tank 22 and
Small pump 21；When occurring pressure surge relief tank 17 liquid level in system less than setting value, system can start small pump 21 certainly
Dynamic moisturizing.
In a preference of the present invention, described small pump exit is provided with accurate filter 20, can be the most de-
Except the ion of cooling medium in system, the electrical conductivity of long term maintenance cooling medium is kept low, thus safeguards system can
By running.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (8)
1. the double water distribution cooling system of a direct-current transmission converter valve, it is characterised in that include successively flow switch module, three-way valve,
Outer cold closed cooling tower, major cycle filter, detection handover module, converter valve heat generating component, degassing tank and the company of each inter-module
Adapter road；Wherein said three-way valve one end connection traffic handover module, one end connects outer cold closed cooling tower, and the other end is connected to
On connecting line between outer cold closed cooling tower and major cycle filter；
Described flow switch module includes the first loop module and the second loop module being connected in parallel, described first loop module
Include the first inlet pressure gauge, the first main circulation pump, the first delivery gauge successively；Described second loop module includes successively
Two inlet pressure gauge, the second main circulation pump, the second delivery gauge；Described first main circulation pump and the two ends of the second main circulation pump
It is equipped with valve；Described first main circulation pump and the second main circulation pump are variable frequency pump, and the first main circulation pump and the second master follow
The flow adjustable extent of ring pump is different；
Described detection handover module includes first detection module and the second detection module being connected in parallel；Described first detection module
Include the first temperature sensor, the first Pressure gauge and first flow sensor successively；Described second detection module includes successively
Two temperature sensors, the second Pressure gauge and second flow sensor；Described first detection module and the two ends of the second detection module
It is equipped with valve.
The double water distribution cooling system of direct-current transmission converter valve the most according to claim 1, it is characterised in that described first master follows
The flow adjustable extent of ring pump and the second main circulation pump partially overlaps.
The double water distribution cooling system of direct-current transmission converter valve the most according to claim 1, it is characterised in that described first master follows
The bound difference of the flow adjustable extent intersection of ring pump and the second main circulation pump can less than the first main circulation pump flow
The 20% of range of accommodation bound difference；Or less than the 20% of the second main circulation pump flow adjustable extent bound difference.
4. according to the double water distribution cooling system of the direct-current transmission converter valve described in any one of claim 1 ~ 3, it is characterised in that described
The double water distribution cooling system of direct-current transmission converter valve is also sequentially provided with several ion exchanger being arranged in parallel and ion exchangers
Filter；Connecting line between the porch of described ion exchanger with filter and detection handover module is connected；Described from
The outlet of sub-exchanger filter is connected with the pipeline between degassing tank and flow switch module.
5. according to the double water distribution cooling system of the direct-current transmission converter valve described in any one of claim 1 ~ 3, it is characterised in that described
The exit of ion exchanger filter is provided with surge tank and nitrogen cylinder；The cooling flowed out from ion exchanger filter is situated between
Matter is introduced into surge tank, then flows out from buffering pot bottom, enters detection handover module；The top of described surge tank is full of nitrogen.
6. according to the double water distribution cooling system of the direct-current transmission converter valve described in any one of claim 1 ~ 3, it is characterised in that described
The double water distribution cooling system of stream current transmission valve is additionally provided with replenisher tank and small pump.
7. according to the double water distribution cooling system of the direct-current transmission converter valve described in any one of claim 1 ~ 3, it is characterised in that described
Small pump exit is provided with accurate filter.
The double water distribution cooling system of direct-current transmission converter valve the most according to claim 4, it is characterised in that described ion exchanges
Device is provided with 1 ~ 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610688046.6A CN106253635A (en) | 2016-08-17 | 2016-08-17 | The double water distribution cooling system of a kind of direct-current transmission converter valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610688046.6A CN106253635A (en) | 2016-08-17 | 2016-08-17 | The double water distribution cooling system of a kind of direct-current transmission converter valve |
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| Publication Number | Publication Date |
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| CN106253635A true CN106253635A (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610688046.6A Pending CN106253635A (en) | 2016-08-17 | 2016-08-17 | The double water distribution cooling system of a kind of direct-current transmission converter valve |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106608695A (en) * | 2017-01-20 | 2017-05-03 | 杭州盛忆镐科技有限公司 | Deionized water processing loop used for water cooling system |
| CN107702904A (en) * | 2017-09-20 | 2018-02-16 | 北京国电富通科技发展有限责任公司 | Converter valve cooling system colds and heat succeed each other test device and method |
| CN109639104A (en) * | 2017-06-29 | 2019-04-16 | 许昌许继晶锐科技有限公司 | A kind of direct-current transmission converter valve cooling back installation and direct current transportation equipment |
| CN110719720A (en) * | 2019-10-23 | 2020-01-21 | 常州博瑞电力自动化设备有限公司 | Offshore platform flexible direct-current converter valve external cooling system adopting seawater cooling |
| CN111643954A (en) * | 2020-05-08 | 2020-09-11 | 苏州浪潮智能科技有限公司 | Automatic liquid filtering device and method for immersed liquid cooling system |
| CN112105240A (en) * | 2020-09-28 | 2020-12-18 | 西安交通大学 | Method, system and equipment for adjusting operation condition of power equipment in converter valve cooling system |
| US11178798B2 (en) | 2017-11-27 | 2021-11-16 | Siemens Aktiengesellschaft | Cooling system with parallel cooling channels, temperature sensor, and movable flaps |
| CN115361841A (en) * | 2022-08-04 | 2022-11-18 | 浙江理工大学 | Shield pump control system and method adapting to all-working-condition operation of data center |
| CN115361841B (en) * | 2022-08-04 | 2024-06-04 | 浙江理工大学 | Shielding pump control system and method suitable for all-condition operation of data center |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106608695A (en) * | 2017-01-20 | 2017-05-03 | 杭州盛忆镐科技有限公司 | Deionized water processing loop used for water cooling system |
| CN106608695B (en) * | 2017-01-20 | 2022-09-02 | 杭州盛忆镐科技有限公司 | Deionized water treatment loop for water cooling system |
| CN109639104A (en) * | 2017-06-29 | 2019-04-16 | 许昌许继晶锐科技有限公司 | A kind of direct-current transmission converter valve cooling back installation and direct current transportation equipment |
| CN107702904A (en) * | 2017-09-20 | 2018-02-16 | 北京国电富通科技发展有限责任公司 | Converter valve cooling system colds and heat succeed each other test device and method |
| CN107702904B (en) * | 2017-09-20 | 2019-12-31 | 北京国电富通科技发展有限责任公司 | Converter valve cooling system cold and hot alternation testing device and method |
| US11178798B2 (en) | 2017-11-27 | 2021-11-16 | Siemens Aktiengesellschaft | Cooling system with parallel cooling channels, temperature sensor, and movable flaps |
| CN110719720A (en) * | 2019-10-23 | 2020-01-21 | 常州博瑞电力自动化设备有限公司 | Offshore platform flexible direct-current converter valve external cooling system adopting seawater cooling |
| CN111643954A (en) * | 2020-05-08 | 2020-09-11 | 苏州浪潮智能科技有限公司 | Automatic liquid filtering device and method for immersed liquid cooling system |
| CN112105240A (en) * | 2020-09-28 | 2020-12-18 | 西安交通大学 | Method, system and equipment for adjusting operation condition of power equipment in converter valve cooling system |
| CN112105240B (en) * | 2020-09-28 | 2022-02-18 | 西安交通大学 | Method, system and equipment for adjusting operation condition of power equipment of converter valve cooling system |
| CN115361841A (en) * | 2022-08-04 | 2022-11-18 | 浙江理工大学 | Shield pump control system and method adapting to all-working-condition operation of data center |
| CN115361841B (en) * | 2022-08-04 | 2024-06-04 | 浙江理工大学 | Shielding pump control system and method suitable for all-condition operation of data center |
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Application publication date: 20161221 |