CN204179544U - A kind of 35kV box-type substation used for wind power generation - Google Patents

A kind of 35kV box-type substation used for wind power generation Download PDF

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Publication number
CN204179544U
CN204179544U CN201420591249.XU CN201420591249U CN204179544U CN 204179544 U CN204179544 U CN 204179544U CN 201420591249 U CN201420591249 U CN 201420591249U CN 204179544 U CN204179544 U CN 204179544U
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China
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voltage
transformer
low
box
fuel tank
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CN201420591249.XU
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赖文华
王玮
陈一品
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JIANGSU POWER TRANSFORMATION EQUIPMENT CO Ltd
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JIANGSU POWER TRANSFORMATION EQUIPMENT CO Ltd
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Abstract

A kind of 35kV box-type substation used for wind power generation, comprising: casing; Hyperbaric chamber, is provided with high-voltage arrester and high voltage display device in it; Operation with high pressure room, is provided with temperature controller and power transformer in it; Low voltage operated room, is inside provided with low-tension switch cabinet; Step-up transformer fuel tank, establishes step-up transformer, high voltage load switch and high-voltage tap changer in it; High-voltage connection sleeve pipe, one end is connected with high voltage display device, and the other end is connected with high voltage load switch; Low pressure connecting sleeve, one end is connected with low-tension switch cabinet, and the other end is connected with step-up transformer low voltage side; High-voltage and current-limitation fuse connects, and is connected with low tension switch cabinet breaker by action output contact; Oil conservator, is communicated with step-up transformer fuel tank, pipeline is provided with Buchholz relay.Described box-type substation structure is compacter, layout is more reasonable, reduces equipment volume, reduces equipment cost, improve the security performance of equipment.

Description

A kind of 35kV box-type substation used for wind power generation
Technical field
The utility model belongs to the development and utilization field of power transformer exploitation manufacture field and new forms of energy, particularly, relates to a kind of 35kV box-type substation used for wind power generation.
Background technology
Special box-type substation of wind power generator is the special booster apparatus of a kind of wind power plant.The effect of Special box-type substation of wind power generator is transported to power network after the electric power boosting sent by wind-driven generator.Special box-type substation of wind power generator manufactures in advance in factory, assembling, mainly comprises step-up transformer, oil-immersed and high-voltage on-load switch, high-voltage and current-limitation fuse, the auxiliary equipment such as low-voltage circuit breaker and power transformer.
Mainly there is following technical problem in current domestic traditional box-type substation:
One, high-voltage and current-limitation fuse is arranged on above step-up transformer, is easily subject to the temperature rise impact of step-up transformer, and the non-accident fusing of high-voltage and current-limitation fuse occurs, cause box-type substation power-off.
Two, high-voltage and current-limitation fuse and low-voltage circuit breaker do not have interlocking gear, and after high-voltage and current-limitation fuse fusing, step-up transformer is in open-phase running status, jeopardizes the security of operation of box-type substation.
Three, the high-low pressure sleeve pipe of step-up transformer is because adopting oil immersed type porcelain bottle sleeve, under the effect that cable mounts gravity and sleeve pipe self gravitation, easily Leakage occurs.
Four, traditional box-type substation, cannot installing gas relay without oil conservator, and the gas produced step-up transformer cannot early warning and action protection.Due to without the expansion due to radiator in oil conservator box-type substation running, make oil level decline and transformer oil cannot be supplemented in time, jeopardize the security of operation of box-type substation.
Five, wind power plant build desert area in usually, and dust storm, sleet are all very large all the year round, and traditional box-type substation is difficult to effectively to prevent dust storm, sleet enters, and jeopardizes the security of operation of box-type substation.
Utility model content
For solving above-mentioned Problems existing, the purpose of this utility model is to provide a kind of 35kV box-type substation used for wind power generation, and described box-type substation structure is compacter, layout is more reasonable, reduces equipment volume, reduces equipment cost, improve the security performance of equipment.
For achieving the above object, the technical solution of the utility model is:
A kind of 35kV box-type substation used for wind power generation, comprising: casing; Hyperbaric chamber, is arranged at side in described casing, and its inside is provided with high-voltage arrester and high voltage display device; Operation with high pressure room, be arranged at opposite side in described casing anterior, its inside is provided with temperature controller and power transformer; Low voltage operated room, be arranged at opposite side in described casing anterior, with described operation with high pressure room laid out in parallel, described low voltage operated chamber interior is provided with low-tension switch cabinet, and described low tension switch is provided with circuit breaker cashier's office in a shop; Step-up transformer fuel tank, is arranged at opposite side rear portion in described casing, is provided with step-up transformer, high voltage load switch and high-voltage tap changer in it; High-voltage connection sleeve pipe, be arranged at described step-up transformer fuel tank and be positioned on the tank wall of side, hyperbaric chamber, its one end is connected with described hyperbaric chamber high voltage display device, and the other end is connected with described step-up transformer fuel tank high voltage load switch; Low pressure connecting sleeve, is arranged at described step-up transformer fuel tank and is positioned on the tank wall of side, low voltage operated room, and its one end is connected with described low voltage operated room low-tension switch cabinet, and the other end is connected with described step-up transformer fuel tank step-up transformer low voltage side; High-voltage and current-limitation fuse connects, being arranged at described step-up transformer fuel tank is positioned on the tank wall of side, operation with high pressure room, described high-voltage and current-limitation fuse is provided with action output contact, described high-voltage and current-limitation fuse is connected with described low tension switch cabinet breaker by action output contact; One oil conservator, is communicated with above described step-up transformer fuel tank by pipeline, the pipeline between described oil conservator and step-up transformer fuel tank is provided with Buchholz relay.
Further, described tank surface is provided with door and doorframe, is provided with seal between described door and doorframe.
Separately, described seal comprises the circular seal bar at the bar shaped sealing strip be arranged in doorframe groove and the edge being arranged at doorframe.
Separately have, described step-up transformer tank surface is provided with pressure relief valve.
Again, described step-up transformer fuel tank is corrugated tank.
Further, described high-voltage connection sleeve pipe adopts resin casting dry-type bushing, for flange is installed between itself and described step-up transformer fuel tank tank wall.
And described high-voltage and current-limitation fuse is arranged at described step-up transformer side.
Preferably, described high-voltage and current-limitation fuse is plug-in type gamut tranformer protection fuse.
Again, described oil conservator is capsule type oil storage cabinet.
Further, described low pressure connecting sleeve adopts American Unit Substation dry type low-tension bushing, for flange is installed between itself and described step-up transformer fuel tank tank wall.
The beneficial effects of the utility model are:
1) high-voltage connection sleeve pipe is arranged on the oil tank wall in hyperbaric chamber, adopts resin casting dry-type bushing, adopts flange to install, effectively avoids oil accident.
2) low pressure connecting sleeve is arranged on the oil tank wall of low voltage operated indoor, adopts the special dry type low-tension bushing of American Unit Substation to adopt flange to install, effectively avoids oil accident.
3) high-voltage and current-limitation fuse is arranged on the oil tank wall of operation with high pressure indoor, is positioned at the right side of step-up transformer by being arranged above and below, and avoids the impact by the temperature rise of step-up transformer oil top layer.
4) high-voltage and current-limitation fuse adopts plug-in type gamut tranformer protection fuse; high-voltage and current-limitation fuse band fuse action output contact; this contact is connected with low-voltage circuit breaker; the tripping low-voltage circuit breaker when high-voltage and current-limitation fuse fuses; cut off incoming power, protection step-up transformer.
5) on step-up transformer fuel tank, capsule type oil storage cabinet is installed, transformer oil both effectively can have been avoided directly to contact with air, the problem that Buchholz relay cannot be installed can be solved again, also can supplement transformer oil in time.
6) in order to prevent dust storm, sleet enters box-type substation inside, shell of the present utility model adopts heat zinc coating plate to make, all-sealed structure, and degree of protection press IP54 design, door sealing employing double sealing structure.
7) more compact structure, layout are more reasonable, reduce equipment volume, reduce equipment cost, improve the security performance of equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation front view of example of the present utility model.
Fig. 2 is the structural representation vertical view of example of the present utility model.
Fig. 3 is the structural representation end view of example of the present utility model.
Fig. 4 is the door double sealing structure schematic diagram of example of the present utility model.
Embodiment
See Fig. 1 ~ Fig. 4, a kind of 35kV of the present utility model box-type substation used for wind power generation, comprising: casing 23; Hyperbaric chamber 1, is arranged at side in described casing 23, and its inside is provided with high-voltage arrester 11 and high voltage display device 9; Operation with high pressure room 2, be arranged at opposite side in described casing 23 anterior, its inside is provided with temperature controller 3 and power transformer 4; Low voltage operated room 5, be arranged at opposite side in described casing 23 anterior, with described operation with high pressure room 2 laid out in parallel, inside, described low voltage operated room 5 is provided with low-tension switch cabinet 6, described low-tension switch cabinet 6 is provided with circuit breaker (not shown, lower same); Step-up transformer fuel tank 8, is arranged at opposite side rear portion in described casing 23, is provided with step-up transformer 15, high voltage load switch 12 and high-voltage tap changer 14 in it; High-voltage connection sleeve pipe 10, being arranged at described step-up transformer fuel tank 8, to be positioned at the tank wall of side, hyperbaric chamber 1 (not shown, lower same) on, its one end is connected with described hyperbaric chamber 1 high voltage display device 9, and the other end is connected with described step-up transformer fuel tank 8 high voltage load switch 12; Low pressure connecting sleeve 16, being arranged at described step-up transformer fuel tank 8 is positioned on the tank wall of side, low voltage operated room 5, its one end is connected with described low voltage operated room 5 low-tension switch cabinet 6, and the other end and described step-up transformer fuel tank 8 step-up transformer 15 low-pressure side (not shown, lower same) connect; High-voltage and current-limitation fuse connects 13, being arranged at described step-up transformer fuel tank 8 is positioned on the tank wall of side, operation with high pressure room 2, described high-voltage and current-limitation fuse 13 is provided with action output contact (not shown, lower same), described high-voltage and current-limitation fuse 13 is connected with described low-tension switch cabinet 6 circuit breaker by action output contact; One oil conservator 18, is communicated with above described step-up transformer fuel tank 8 by pipeline (not shown, lower same), the pipeline between described oil conservator 18 and step-up transformer fuel tank 8 is provided with Buchholz relay 17.
Further, described casing 23 surface is provided with door 21 and doorframe 19, is provided with seal between described door 21 and doorframe 19.
Separately, described seal comprises the bar shaped sealing strip 20 be arranged in doorframe 19 groove and the circular seal bar 22 being arranged at doorframe 19 edge.
Separately have, described step-up transformer fuel tank 8 surface is provided with pressure relief valve 7.
Again, described step-up transformer fuel tank 8 is corrugated tank.
Further, described high-voltage connection sleeve pipe 10 adopts resin casting dry-type bushing, for flange is installed between itself and described step-up transformer fuel tank 8 tank wall.
And described high-voltage and current-limitation fuse 13 is arranged at described step-up transformer 15 side.
Preferably, described high-voltage and current-limitation fuse 13 is plug-in type gamut tranformer protection fuse.
Again, described oil conservator 18 is capsule type oil storage cabinet.
Further, described low pressure connecting sleeve 16 adopts American Unit Substation dry type low-tension bushing, for flange is installed between itself and described step-up transformer fuel tank 8 tank wall.
35kV described in the utility model box type transformation used for wind power generation stands in integral prefabricated in factory completing, be arranged in 35kV wind power plant, the electric energy of the 0.69kV sent by wind-driven generator inputs the low-pressure side of step-up transformer 15 through low-tension switch cabinet 6 of the present utility model, low pressure connecting sleeve 16, boosting through step-up transformer 15 exports 35kV electric energy, 35kV electric energy, through high-voltage and current-limitation fuse 13, high voltage load switch 12, high-voltage connection sleeve pipe 10, accesses the booster stations of 110kV finally by high-tension cable.
The utility model comprises hyperbaric chamber 1, operation with high pressure room 2, low voltage operated room 5, step-up transformer fuel tank 8, and in Chinese character pin-shaped layout, wherein the equipment such as installation high-voltage lightning arrester 11, high voltage display device 9 in hyperbaric chamber 1, is arranged in the left side of box-type substation; In step-up transformer fuel tank 8, the equipment such as step-up transformer 15, high-voltage and current-limitation fuse 13, high voltage load switch 12, high-voltage tap changer 14 are installed, are arranged in the right lateral side of box-type substation; In operation with high pressure room 2, the equipment such as power transformer 4, temperature controller 3 is installed; Install low-tension switch cabinet 6 in low voltage operated room 5, operation with high pressure room 2 and low voltage operated room 2 are arranged in the right front of box-type substation.
High-voltage connection sleeve pipe 10 is arranged on step-up transformer fuel tank 8 tank wall in hyperbaric chamber 1, adopts resin casting dry-type bushing, horizontal outlet, adopts flange to install, effectively avoids oil accident.
Low pressure connecting sleeve 16 is arranged on step-up transformer fuel tank 8 tank wall in low voltage operated room 5, adopts the special dry type low-tension bushing of American Unit Substation, horizontal outlet, adopts flange to install, effectively avoids oil accident.
High-voltage and current-limitation fuse 13 is arranged on step-up transformer fuel tank 8 tank wall in operation with high pressure room 2, is positioned at the right side of step-up transformer 15 by being arranged above and below, and avoids the impact by the oily top layer temperature rise of step-up transformer 15.
High-voltage and current-limitation fuse 13 adopts plug-in type gamut tranformer protection fuse; high-voltage and current-limitation fuse band fuse action output contact; this contact is connected with the circuit breaker in low-tension switch cabinet 6; circuit breaker when high-voltage and current-limitation fuse 13 fuses in tripping low-tension switch cabinet 6; cut off incoming power, protection step-up transformer 15.
Step-up transformer fuel tank 8 is installed capsule type oil storage cabinet 18, transformer oil both effectively can have been avoided directly to contact with air, the problem that Buchholz relay 17 cannot be installed can be solved again, also can supplement transformer oil in time.
As Fig. 4 institute, in order to adapt to the severe operation of wind power plant, prevent entering of the object such as dust storm, sleet, the utility model have employed double sealing structure.Doorframe 19 of the present utility model has been installed bar shaped sealing strip 20 and circular seal bar 22, and back door 21 of closing the door is pressed on bar shaped sealing strip 20 and circular seal bar 22, forms dual-seal.Bar shaped sealing strip 20 is first sealing, can stop most of dust storm, the entering of sleet, remain few dust storm, sleet is stopped completely by circular seal bar 22, and circular seal bar 22 is second sealing.What effectively can prevent the object such as dust storm, sleet completely by double sealing structure enters inside of the present utility model, greatly improves the utility model security of operation, reduces the maintenance workload of equipment, saves operation and maintenance cost.
It should be noted that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted.Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical scheme of utility model or equivalent replacement, and not departing from the scope of technical solutions of the utility model, it all should be encompassed in right of the present utility model.

Claims (10)

1. a 35kV box-type substation used for wind power generation, is characterized in that, comprising:
Casing;
Hyperbaric chamber, is arranged at side in described casing, and its inside is provided with high-voltage arrester and high voltage display device;
Operation with high pressure room, be arranged at opposite side in described casing anterior, its inside is provided with temperature controller and power transformer;
Low voltage operated room, be arranged at opposite side in described casing anterior, with described operation with high pressure room laid out in parallel, described low voltage operated chamber interior is provided with low-tension switch cabinet, and described low tension switch is provided with circuit breaker cashier's office in a shop;
Step-up transformer fuel tank, is arranged at opposite side rear portion in described casing, is provided with step-up transformer, high voltage load switch and high-voltage tap changer in it;
High-voltage connection sleeve pipe, be arranged at described step-up transformer fuel tank and be positioned on the tank wall of side, hyperbaric chamber, its one end is connected with described hyperbaric chamber high voltage display device, and the other end is connected with described step-up transformer fuel tank high voltage load switch;
Low pressure connecting sleeve, is arranged at described step-up transformer fuel tank and is positioned on the tank wall of side, low voltage operated room, and its one end is connected with described low voltage operated room low-tension switch cabinet, and the other end is connected with described step-up transformer fuel tank step-up transformer low voltage side;
High-voltage and current-limitation fuse, being arranged at described step-up transformer fuel tank is positioned on the tank wall of side, operation with high pressure room, described high-voltage and current-limitation fuse is provided with action output contact, described high-voltage and current-limitation fuse is connected with described low tension switch cabinet breaker by action output contact;
One oil conservator, is communicated with above described step-up transformer fuel tank by pipeline, the pipeline between described oil conservator and step-up transformer fuel tank is provided with Buchholz relay.
2. a kind of 35kV according to claim 1 box-type substation used for wind power generation, it is characterized in that, described tank surface is provided with door and doorframe, is provided with seal between described door and doorframe.
3. a kind of 35kV according to claim 2 box-type substation used for wind power generation, is characterized in that, described seal comprises the circular seal bar at the bar shaped sealing strip be arranged in doorframe groove and the edge being arranged at doorframe.
4. a kind of 35kV according to claim 1 box-type substation used for wind power generation, is characterized in that, described step-up transformer tank surface is provided with pressure relief valve.
5. a kind of 35kV box-type substation used for wind power generation according to claim 1 or 4, is characterized in that, described step-up transformer fuel tank is corrugated tank.
6. a kind of 35kV according to claim 1 box-type substation used for wind power generation, is characterized in that, described high-voltage connection sleeve pipe adopts resin casting dry-type bushing, for flange is installed between itself and described step-up transformer fuel tank tank wall.
7. a kind of 35kV according to claim 1 box-type substation used for wind power generation, is characterized in that, described high-voltage and current-limitation fuse is arranged at described step-up transformer side.
8. a kind of 35kV box-type substation used for wind power generation according to claim 1 or 7, is characterized in that, described high-voltage and current-limitation fuse is plug-in type gamut tranformer protection fuse.
9. a kind of 35kV according to claim 1 box-type substation used for wind power generation, is characterized in that, described oil conservator is capsule type oil storage cabinet.
10. a kind of 35kV according to claim 1 box-type substation used for wind power generation, is characterized in that, described low pressure connecting sleeve adopts American Unit Substation dry type low-tension bushing, for flange is installed between itself and described step-up transformer fuel tank tank wall.
CN201420591249.XU 2014-10-14 2014-10-14 A kind of 35kV box-type substation used for wind power generation Active CN204179544U (en)

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CN201420591249.XU CN204179544U (en) 2014-10-14 2014-10-14 A kind of 35kV box-type substation used for wind power generation

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Application Number Priority Date Filing Date Title
CN201420591249.XU CN204179544U (en) 2014-10-14 2014-10-14 A kind of 35kV box-type substation used for wind power generation

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105976992A (en) * 2016-07-05 2016-09-28 佛山诺亚电器有限公司 High-overload internal protection distribution transformer
CN107046248A (en) * 2017-03-06 2017-08-15 镇江天力变压器有限公司 A kind of U.S. structure changes of L-shaped photovoltaic

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105976992A (en) * 2016-07-05 2016-09-28 佛山诺亚电器有限公司 High-overload internal protection distribution transformer
CN107046248A (en) * 2017-03-06 2017-08-15 镇江天力变压器有限公司 A kind of U.S. structure changes of L-shaped photovoltaic

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: 35kV box type transformer station for wind power generation

Effective date of registration: 20190618

Granted publication date: 20150225

Pledgee: Bank of Communications Ltd Jiangxi branch

Pledgor: Jiangsu Power Transformation Equipment Co., Ltd.

Registration number: 2019990000582

Denomination of utility model: 35kV box type transformer station for wind power generation

Effective date of registration: 20190618

Granted publication date: 20150225

Pledgee: Bank of Communications Ltd Jiangxi branch

Pledgor: Jiangsu Power Transformation Equipment Co., Ltd.

Registration number: 2019990000582

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20201216

Granted publication date: 20150225

Pledgee: Bank of Communications Ltd. Jiangxi branch

Pledgor: JIANGXI POWER TRANSFORMATION EQUIPMENT Co.,Ltd.

Registration number: 2019990000582

PC01 Cancellation of the registration of the contract for pledge of patent right