CN107438353A - Large Copacity SVG enclosed air cooling systems - Google Patents
Large Copacity SVG enclosed air cooling systems Download PDFInfo
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- CN107438353A CN107438353A CN201710774904.3A CN201710774904A CN107438353A CN 107438353 A CN107438353 A CN 107438353A CN 201710774904 A CN201710774904 A CN 201710774904A CN 107438353 A CN107438353 A CN 107438353A
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- 238000001816 cooling Methods 0.000 title claims abstract description 31
- 238000005057 refrigeration Methods 0.000 claims abstract description 23
- 239000003507 refrigerant Substances 0.000 claims description 10
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009183 running Effects 0.000 description 2
- 239000005336 safety glass Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
Classifications
-
- 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
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of Large Copacity SVG enclosed air cooling systems, including SVG power cabinet group, heat exchange wind cabinet and refrigeration train machine, the wind cabinet that exchanges heat is provided with the supply air duct and return airway of the uniform type of windage, SVG power cabinet group is arranged between supply air duct and return airway and with communicating, refrigeration train machine is connected with heat exchange wind cabinet, SVG power cabinet group includes more power cabinets parallel with one another, symmetrical air inlet and air outlet are offered on each power cabinet, each air inlet connects with supply air duct, and each air outlet connects with return airway.The system has the advantages of radiating efficiency is high, adaptable, reliability is high.
Description
Technical field
The invention mainly relates to electrical engineering field, more particularly to a kind of Large Copacity SVG enclosed air cooling systems.
Background technology
With generation of electricity by new energy and the fast development of UHV transmission technology, power network is to large-capacity dynamic reactive power compensating equipment
Demand it is increasingly urgent.In with the quick various kinds of equipment for providing dynamic passive compensation ability, static synchronous generator (SVG)
Received significant attention because with rapid dynamic response speed, grid-connected harmonic wave is small.
In SVG runnings, because semiconductor switch device has certain conduction voltage drop in itself, SVG can be produced when running
Raw about 1% active loss, for example its rated thermal amount has 1000kW, it is necessary to configure certain to the SVG of 1 100Mvar capacity
Cooling heat radiation system is just avoided that SVG crosses cause thermal damage.
Large Copacity SVG typically uses water-cooling at present, and water-cooling pattern radiating efficiency is high, but needs substantial amounts of water inlet pipe and water outlet pipe
Once joint, larger leak risk be present and leak can cause apparatus insulated failure, reliability is low.Air cooling way is without leak wind
Danger, but existing air cooling way because radiating efficiency it is relatively low, only can be suitably used at present heat generation density it is relatively low, heating total amount it is less small
Capacity SVG.And existing air cooling way is general by the way of cooling fan is arranged on each power cabinet cabinet, by cabinet knot
Structure and wind path structure limitation, blower fan can not realize redundant configuration.Once the blower fan breaks down, then can cause whole power cabinet because
Radiate bad and shut down, and then cause whole SVG failure to be stopped transport, cooling system reliability is poor.
The content of the invention
The technical problem to be solved in the present invention is overcome the deficiencies in the prior art, there is provided a kind of radiating efficiency is high, adapts to energy
The Large Copacity SVG enclosed air cooling systems that power is strong, reliability is high.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of Large Copacity SVG enclosed air cooling systems, including SVG power cabinet group, heat exchange wind cabinet and refrigeration train machine, the heat exchange wind cabinet
The supply air duct and return airway of the uniform type of windage are provided with, the SVG power cabinet group is arranged on supply air duct and return airway
Between and with communicating, the refrigeration train machine with heat exchange wind cabinet be connected, the SVG power cabinet group includes more power parallel with one another
Cabinet, symmetrical air inlet and air outlet is offered on each power cabinet, each air inlet is connected with supply air duct, respectively gone out
Air port connects with return airway.
Further improvement as above-mentioned technical proposal：
Each air inlet is equiped with the screen pack for adjusting windage.
The screen pack includes two end sliding blocks, two sidepiece sliding sleeves and two sections of dictyosomes, the side of two sections of dictyosomes
While forming socket by two sidepiece sliding sleeves, two end sliding blocks are arranged on the end of two sections of dictyosomes, and two end sliding blocks, which are slided, to be set
On each air inlet, two sidepiece sliding sleeves are packed on the edge of air inlet both sides.
The supply air duct of the uniform type of windage includes horizontal air outlet section, vertical ventilating shaft and the air outlet being sequentially connected
Section, horizontal air outlet section connect with heat exchange wind cabinet, and the air outlet section is arranged to fan housing structure of the middle flash bottom of along, air outlet
Section connects with the air inlet of each power cabinet；The return airway of the uniform type of windage includes being sequentially connected transverse air-intake mouth section, erected
To section and return air inlet section, transverse air-intake mouth Duan Yuyu heat exchange wind cabinet connection, the return air inlet section is arranged to from one end to another
The gradual inclined fan housing structure in one end, a high position for return air inlet section is close to vertical section.
Low level of the high position for the air outlet section close to return air inlet section.
More heat-pipe radiators parallel with one another are provided with the power cabinet.
The blower fan group that more blower fans parallel with one another are formed is equiped with the heat exchange wind cabinet.
The refrigeration train machine includes refrigeration host computer, refrigerant pipe and surface cooler, and the refrigerant pipe is connected with refrigeration host computer
And stretch into heat exchange wind cabinet, the surface cooler is installed on the refrigerant pipe in heat exchange wind cabinet.
Compared with prior art, the advantage of the invention is that：
The Large Copacity SVG enclosed air cooling systems of the present invention, the cold wind for the wind cabinet that exchanges heat are transported to SVG power cabinet through a supply air duct
Group, flow through through respective air inlet each power cabinet and take away heat caused by each power cabinet, then returned by air outlet and return airway
Cool breeze is sent out after heat exchange into heat exchange wind cabinet, so circulation.Exchange heat wind cabinet, supply air duct, SVG power cabinet group, return airway
A closed wind path circulatory system is formed, its driving force is provided by heat exchange wind cabinet, and its heat is exchanged to refrigeration by heat exchange wind cabinet
Group machine, then be diffused into outdoor air.Present invention employs the high efficiency heat radiation structure of mutual power cabinet in parallel so that Large Copacity
Although single power device caloric value is larger but remains to keep the temperature difference between power device and air intake smaller by SVG, and SVG work(
Rate cabinet group is directly connected to supply air duct so that SVG power cabinet group EAT is low, so that power device temperature control is being held
Perhaps in the range of, corresponding wind-cooling heat dissipating efficiency high.In addition, the SVG power cabinet group, heat exchange wind cabinet and refrigeration train machine in the structure are formed
A set of enclosed air cooling system, it flows through the radiating cold wind of SVG power cabinet group and not contacted with outdoor air SVG, can effectively prevent room
The impurity such as dust, saline and alkaline, catkin in outer air enter inside SVG, adapt to the adverse circumstances such as outside dust storm, filth, so as to
Ensure SVG reliability；And SVG power cabinet group cooling wind is directly driven by heat exchange wind cabinet, is easy to implement the superfluous of inner fan
Remaining configuration, proper heat reduction is remained in part fan failure, further increase cooling system and SVG runs without interruption for a long time
Reliability.The windage symmetrical structure such as supply air duct and the use of return airway and air inlet and air outlet, although each power cabinet arrives
The distance for the wind cabinet that exchanges heat is different, but the windage outside each power cabinet is essentially identical.Cabinet surrounding is closed and between cabinet and power cell
Space all make deep bead with safety glass, to force the air intake of power cabinet to pass through from each radiator.
Brief description of the drawings
Fig. 1 is the main structure diagram of the present invention.
Fig. 2 is the structural representation of screen pack in the present invention.
Fig. 3 is the side structure schematic view of the present invention.
Each label represents in figure：
1st, SVG power cabinet group；11st, power cabinet；111st, air inlet；112nd, air outlet；113rd, heat-pipe radiator；2nd, exchange heat wind cabinet；
21st, supply air duct；211st, horizontal air outlet section；212nd, vertical ventilating shaft；213rd, air outlet section；22nd, return airway；221st, laterally enter
Air port section；222nd, vertical section；223rd, return air inlet section；23rd, blower fan group；3rd, refrigeration train machine；31st, refrigeration host computer；32nd, refrigerant pipe；
33rd, surface cooler；4th, screen pack；41st, end sliding block；42nd, sidepiece sliding sleeve；43rd, dictyosome.
Embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
As shown in Figure 1 to Figure 3, a kind of embodiment of Large Copacity SVG enclosed air cooling systems of the present invention, including SVG power cabinet
Group 1, heat exchange wind cabinet 2 and refrigeration train machine 3, heat exchange wind cabinet 2 are provided with the supply air duct 21 and return airway 22 of the uniform type of windage,
SVG power cabinet group 1 is arranged between supply air duct 21 and return airway 22 and with communicating, and refrigeration train machine 3 connects with heat exchange wind cabinet 2
Connect, SVG power cabinet group 1 includes more power cabinets 11 parallel with one another, and symmetrical air inlet is offered on each power cabinet 11
111 and air outlet 112, each air inlet 111 connected with supply air duct 21, each air outlet 112 connects with return airway 22.Should
In structure, the cold wind of heat exchange wind cabinet 2 is transported to SVG power cabinet group 1 through a supply air duct 21, flowed through respective air inlet 111
Heat caused by each power cabinet 11 is taken away through each power cabinet 11, then heat exchange wind cabinet 2 is returned to by air outlet 112 and return airway 22
It is middle that cool breeze is sent out after heat exchange, so circulation.Heat exchange wind cabinet 2, supply air duct 21, SVG power cabinet group 1, return airway 22 are formed
One closed wind path circulatory system, its driving force are provided by heat exchange wind cabinet 2, and its heat is exchanged to refrigeration train by heat exchange wind cabinet 2
Machine 3, then be diffused into outdoor air.Present invention employs the high efficiency heat radiation structure of mutual power cabinet 11 in parallel so that great Rong
Although single power device caloric value is larger but remains to keep the temperature difference between power device and air intake smaller by amount SVG, and SVG
Power cabinet group 1 is directly connected to supply air duct 21 so that the EAT of SVG power cabinet group 1 is low, so that power device temperature control
System is in permissible range, corresponding wind-cooling heat dissipating efficiency high.In addition, SVG power cabinet group 1, heat exchange wind cabinet 2 and refrigeration in the structure
Group machine 3 forms a set of enclosed air cooling system, and it flows through the radiating cold wind of SVG power cabinet group 1 and not contacted with outdoor air SVG, can
Effectively prevent the impurity such as the dust in outdoor air, saline and alkaline, catkin from entering inside SVG, it is severe to adapt to outside dust storm, filth etc.
Environment, so as to ensure SVG reliability；And SVG power cabinet group 1 cools down wind and directly driven by heat exchange wind cabinet 2, is easy to implement interior
The redundant configuration of portion's blower fan, proper heat reduction is remained in part fan failure, further increase cooling system and SVG is long-term not
The reliability of intermitten service.The windage such as supply air duct 21 and the use of return airway 22 and air inlet 111 and air outlet 112 is symmetrical
Structure, although the distance of each power cabinet 11 to heat exchange wind cabinet 2 is different, the windage outside each power cabinet 11 is essentially identical.Cabinet four
Week, deep bead was all made in closed and between cabinet and power cell space with safety glass, to force the air intake of power cabinet 11 can only
Pass through from each radiator.
In the present embodiment, each air inlet 111 is equiped with the screen pack 4 for adjusting windage.In this way, it can stabilize
Each power cabinet 11 is because of windage imbalance between cabinet caused by individual difference, so that the intake of each power cabinet 11 is essentially identical.
In the present embodiment, screen pack 4 includes two end sliding blocks, 41, two sidepiece sliding sleeves 42 and two sections of dictyosomes 43, and two
The side of section dictyosome 43 forms socket by two sidepiece sliding sleeves 42, and two end sliding blocks 41 are arranged on the end of two sections of dictyosomes 43
Portion, two end sliding blocks 41 are slidably installed on each air inlet 111, and two sidepiece sliding sleeves 42 are packed on the both sides edge of air inlet 111.
In the structure, two sections of dictyosomes 43 are driven to make stretching motion in sidepiece sliding sleeve 42 by the end sliding block 41 at both ends, so as to adjust
Screen pack 4 is to the overlay length of air inlet 111, and to realize the regulation to windage, its is simple in construction, ingenious in design.
In the present embodiment, the supply air duct 21 of the uniform type of windage includes horizontal air outlet section 211, the vertical wind being sequentially connected
Well 212 and air outlet section 213, horizontal air outlet section 211 connect with heat exchange wind cabinet 2, and air outlet section 213 is arranged to middle flash edge
The fan housing structure at bottom, air outlet section 213 connect with the air inlet 111 of each power cabinet 11；The return airway 22 of the uniform type of windage wraps
Include and be sequentially connected transverse air-intake mouth section 221, vertical section 222 and return air inlet section 223, transverse air-intake mouth section 221 with exchange heat wind cabinet 2
Connection, return air inlet section 223 are arranged to from one end to the gradual inclined fan housing structure of the other end, return air inlet section 223 it is high-order close
Vertical section 222.Using the supply air duct 21 and return airway 22 of this special construction so that distinguished and admirable more linear homogeneous is fast to have
Speed flows to each power cabinet 11, and fully and can timely flows out after heat exchange, to adapt to the parallel-connection structure of each power cabinet 11.
In the present embodiment, the low level of the close return air inlet section 223 of a high position of air outlet section 213.In this way, so that each node
The air outlet section 213 of position is consistent with trend with the space of return air inlet section 223, further increases distinguished and admirable linear homogeneous.
In the present embodiment, more heat-pipe radiators 113 parallel with one another are provided with power cabinet 11.Employed in power cabinet 11
The high heat-pipe radiator 113 of radiating efficiency, can making Large Copacity SVG, although single power device caloric value is larger but remains to keep work(
The temperature difference between rate device and air intake is smaller.
In the present embodiment, the blower fan group 23 that more blower fans parallel with one another are formed is equiped with the wind cabinet 2 that exchanges heat.The structure
In, using the fan wall being made up of more EC blower fans in parallel, each blower fan can work independently and power output continuously adjustabe, works as portion
When dividing fan trouble, maintain the total discharge quantity of fan of wind cabinet constant by increasing the output of other blower fans.
In the present embodiment, refrigeration train machine 3 includes refrigeration host computer 31, refrigerant pipe 32 and surface cooler 33, refrigerant pipe 32 with
Refrigeration host computer 31 is connected and stretched into heat exchange wind cabinet 2, and surface cooler 33 is installed on the refrigerant pipe 32 in heat exchange wind cabinet 2.The knot
In structure, heat exchange wind cabinet 2 heat exchanged heat by surface cooler 33 after be diffused into through refrigeration host computer 31 in outdoor air.
Although the present invention is disclosed as above with preferred embodiment, but is not limited to the present invention.It is any to be familiar with ability
The technical staff in domain, in the case where not departing from technical solution of the present invention scope, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications, or is revised as the equivalent embodiment of equivalent variations.Therefore, it is every
Without departing from the content of technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments,
Equivalent variations and modification, it all should fall in the range of technical solution of the present invention protection.
Claims (8)
- A kind of 1. Large Copacity SVG enclosed air cooling systems, it is characterised in that：Including SVG power cabinet group（1）, heat exchange wind cabinet（2）And system Cold group of machine（3）, the heat exchange wind cabinet（2）It is provided with the supply air duct of the uniform type of windage（21）And return airway（22）, the SVG Power cabinet group（1）It is arranged on supply air duct（21）And return airway（22）Between and with communicating, the refrigeration train machine（3）With heat exchange Wind cabinet（2）Connection, the SVG power cabinet group（1）Including more power cabinets parallel with one another（11）, each power cabinet（11）On open up There is symmetrical air inlet（111）And air outlet（112）, each air inlet（111）And supply air duct（21）Connection, respectively Air outlet（112）And return airway（22）Connection.
- 2. Large Copacity SVG enclosed air cooling systems according to claim 1, it is characterised in that：Each air inlet（111） It is equiped with the screen pack for adjusting windage（4）.
- 3. Large Copacity SVG enclosed air cooling systems according to claim 2, it is characterised in that：The screen pack（4）Including two Individual end sliding block（41）, two sidepiece sliding sleeves（42）And two sections of dictyosomes（43）, two sections of dictyosomes（43）Side pass through two Individual sidepiece sliding sleeve（42）Form socket, two end sliding blocks（41）Installed in two sections of dictyosomes（43）End, two end sliding blocks （41）It is slidably installed in each air inlet（111）On, two sidepiece sliding sleeves（42）It is packed in air inlet（111）On the edge of both sides.
- 4. Large Copacity SVG enclosed air cooling systems according to any one of claim 1 to 3, it is characterised in that：The windage The supply air duct of uniform type（21）Including the horizontal air outlet section being sequentially connected（211）, vertical ventilating shaft（212）With air outlet section （213）, horizontal air outlet section（211）With the wind cabinet that exchanges heat（2）Connection, the air outlet section（213）Middle flash is arranged to the bottom of along Fan housing structure, air outlet section（213）With each power cabinet（11）Air inlet（111）Connection；The return air of the uniform type of windage Air channel（22）Including being sequentially connected transverse air-intake mouth section（221）, vertical section（222）With return air inlet section（223）, the transverse air-intake Mouth section（221）With the wind cabinet that exchanges heat（2）Connection, the return air inlet section（223）It is arranged to from one end to the gradual inclined wind of the other end Cover structure, return air inlet section（223）A high position close to vertical section（222）.
- 5. Large Copacity SVG enclosed air cooling systems according to claim 4, it is characterised in that：The air outlet section（213）'s High-order close return air inlet section（223）Low level.
- 6. Large Copacity SVG enclosed air cooling systems according to any one of claim 1 to 3, it is characterised in that：The power Cabinet（11）It is interior to be provided with more heat-pipe radiators parallel with one another（113）.
- 7. Large Copacity SVG enclosed air cooling systems according to any one of claim 1 to 3, it is characterised in that：The heat exchange Wind cabinet（2）Inside it is equiped with the blower fan group that more blower fans parallel with one another are formed（23）.
- 8. Large Copacity SVG enclosed air cooling systems according to any one of claim 1 to 3, it is characterised in that：The refrigeration Group machine（3）Including refrigeration host computer（31）, refrigerant pipe（32）And surface cooler（33）, the refrigerant pipe（32）With refrigeration host computer （31）Connect and stretch into heat exchange wind cabinet（2）It is interior, the surface cooler（33）It is installed in heat exchange wind cabinet（2）Interior refrigerant pipe（32） On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710774904.3A CN107438353A (en) | 2017-08-31 | 2017-08-31 | Large Copacity SVG enclosed air cooling systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710774904.3A CN107438353A (en) | 2017-08-31 | 2017-08-31 | Large Copacity SVG enclosed air cooling systems |
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| CN201710774904.3A Pending CN107438353A (en) | 2017-08-31 | 2017-08-31 | Large Copacity SVG enclosed air cooling systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109287096A (en) * | 2018-09-21 | 2019-01-29 | 国网湖南省电力有限公司 | SVG water cooling system based on centralized supply wind |
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| CN205040137U (en) * | 2015-09-21 | 2016-02-17 | 深圳市英维克科技股份有限公司 | Rack group and concentrate heat dissipation cooling system thereof |
| CN205247298U (en) * | 2015-12-28 | 2016-05-18 | 安庆医药高等专科学校 | Dustproof computer case |
| CN205454358U (en) * | 2016-03-15 | 2016-08-10 | 哈尔滨商业大学 | Computer room server cabinet cooling system |
| CN105698314A (en) * | 2016-03-17 | 2016-06-22 | 西安工程大学 | Evaporative cooling-mechanical refrigeration combined type energy-saving air-conditioning system for data room |
| CN106163229A (en) * | 2016-07-08 | 2016-11-23 | 北京百度网讯科技有限公司 | Data center |
| CN106654926A (en) * | 2016-11-10 | 2017-05-10 | 国网节能服务有限公司 | Energy-saving type power distribution cabinet air conditioning device and method thereof |
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| CN109287096B (en) * | 2018-09-21 | 2020-05-12 | 国网湖南省电力有限公司 | SVG air-cooled heat dissipation system based on concentrated air supply |
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Application publication date: 20171205 |