CN201829840U - Integral box type substation with compact arrangement - Google Patents

Integral box type substation with compact arrangement Download PDF

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Publication number
CN201829840U
CN201829840U CN2010205723733U CN201020572373U CN201829840U CN 201829840 U CN201829840 U CN 201829840U CN 2010205723733 U CN2010205723733 U CN 2010205723733U CN 201020572373 U CN201020572373 U CN 201020572373U CN 201829840 U CN201829840 U CN 201829840U
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CN
China
Prior art keywords
transformer
type substation
capacitor
low
voltage
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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.)
Expired - Fee Related
Application number
CN2010205723733U
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Chinese (zh)
Inventor
费旭兵
芦清
王胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
N&g Electrical Co ltd
Ning Golon Electric Co ltd
Original Assignee
Cnc Electric Group Leshan N & G Electrical Co Ltd
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Priority to CN2010205723733U priority Critical patent/CN201829840U/en
Application granted granted Critical
Publication of CN201829840U publication Critical patent/CN201829840U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an integral box type substation with compact arrangement, which comprises a transformer, a high-voltage board, a low-voltage board, a capacitor cabinet and the like, wherein the high-voltage cable inlet plug of the transformer, the tapping switch of the transformer, an oil gauge, a thermometer, a pressure gauge, a pressure relief valve and a drain plug are installed at the side of the transformer, which is close to the high-voltage board. In the box type substation, the capacitor cabinet and the high-voltage board are superposed and combined together, a cable inlet shielding touch type plug of a main power at the side of the high-voltage board is arranged behind a capacitor chamber, and the capacitor cabinet is in a structure which can be integrally and rotatably opened. By adopting the transformer and the connection mode, the box type substation has a greatly-reduced volume, strong applicability, high safety and low noise, and can be arranged in the electricity utilization load center, the line loss is reduced, the use of low-voltage cables is decreased, less wires are wasted, and the power supply quality is improved.

Description

The integrated box-type substation of compact layout type
Technical field
The utility model relates to a kind of prepackage box-type substation, particularly a kind of compact layout molding box formula transformer station.
Background technology
Box-type substation is with electric primary equipment (high voltage switchgear, power transformer, low voltage switchgear, fan and heater etc.) and electrical secondary equipment (reactive power compensator, watt hour meter making, temperature condensation controller, telecontrol communication device etc.,) be combined into one, and these equipment are installed in an external form in the container of " chest ", no enclosure wall, no house, no framework.
Prepackage box-type substation young bird starts from the sixties in last century to the seventies, is the complete transformer station in a kind of open air of western developed country research and development such as America and Europe.The beginning of the nineties, this technology was introduced into China, and power department has been formulated corresponding standard.In urban distribution network construction and improvement project, the prepackage type case becomes because of economizing advantages such as ground, energy-conservation and miniaturization and is widely used.
European preassembled transformer station adopts traditional transformer, be characterized in easy for installation, but volume is bigger, and distribution is too concentrated.Because of bulky, take more limited land resource, influenced environmental beauty, the more important thing is because of its low-voltage load too concentratedly, numerous low pressure outlet cables have increased line loss rate, and disposable in the early stage input mesolow copper core cable cost increases greatly.
American preassembled transformer station has adopted dedicated transformer, and volume is little; go deep into load center easily, reduced radius of electricity supply, improved the terminal voltage quality; but the transformer scheme of electric power is single, the user's that can not satisfy the demand high pressure measurement and tranformer protection are had relatively high expectations needs.And Yin Meishi transformer high and low pressure turnover line is the front that is contained in transformer, traditional transformer high and low pressure turnover line is to adopt insulating porcelain bushing to connect the fuel tank top that is loaded on transformer, and these all make space, high voltage/low voltage preassembled transformer station transformer room increase.The key of decision box-type substation distributing function and overall dimension is high-tension switch cabinet and transformer room's part, accounts for 2/3 of box-type substation size.This transformer and the mode of connection thereof make the box-type substation volume bigger, are difficult for going deep into load center near electric terminal.
The utility model content
At above-mentioned situation, the utility model provides a kind of improved compact layout type integrated box-type substation, to address the above problem.
The integrated box-type substation of the utility model compact layout type, partly be made up of transformer, high-voltage board, low-voltage cabinet and capacitor panel etc., its transformer high-voltage long cable section of ingoing line insertion and extraction head, sub-connecting switch of transformer, oil level gauge, thermometer, Pressure gauge, pressure relief valve, bleeder plug are installed in the transformer avris.
Above-mentioned box-type substation, its transformer high-voltage long cable section of ingoing line insertion and extraction head, sub-connecting switch of transformer, oil level gauge, thermometer, Pressure gauge, pressure relief valve, bleeder plug are installed in the avris of nearly high-voltage board.
Above-mentioned box-type substation, the overlapping combination of its capacitor panel and high-voltage board, the tangible formula connect-disconnect plug of general supply long cable section of ingoing line shield type of high-voltage board side is in the back of capacitor chamber, and capacitor panel is the structure that can whole rotarily open.
Above-mentioned box-type substation, the low-voltage cabinet on its capacitor panel and next door fixes by rotatable fixture.
Above-mentioned box-type substation, the low-voltage cabinet on its capacitor panel and next door fixes by hinge, and hinge one end is fixed on the capacitor panel, and an end is fixed on the low-voltage cabinet.
Above-mentioned box-type substation, the electric power incoming line of its capacitor chamber links to each other by the cable that is flexible coupling with low-pressure chamber major loop busbar.
Above-mentioned box-type substation, the inside of cable that is flexible coupling between its capacitor chamber and low-pressure chamber major loop at machine.
By changing the structure and the mode of connection of power transformer, the utility model provides the compact layout type integrated box-type substation, its volume only be European case of the same type become 1/3~1/4, have that volume is little, safe, noise is low, applicable performance is strong, can be effectively energy-conservation etc. characteristics.
Because the integrated box-type substation volume of compact layout type is little, can be installed in the place that traditional big transformer station can't install because of landform and environmental impact, so can go deep into load center, reduce the electric energy loss and the lead loss of transmission line near electric terminal.
Estimation according to interrelated data: from the power supply of generating electricity, until the process of electricity consumption, the whole power consumption of the various electric equipments in the broad sense electric power system (comprising generator, transformer, power circuit, motor etc.) accounts for the 28%-33% of energy output.Calculate with China's energy output in 2002, in the electric equipment of operation, for the whole nation, the electric energy loss of 4,632 hundred million kWh-5458, hundred million kWh was just arranged in 1 year, be equivalent to 10 medium power-saving power consumption sums.For guaranteeing national economy development stably at a high speed, seek one without the goods and materials investment, rely on the approach that new and high technology just can be economized on electricity to be significant.Economy operation of power grid is exactly an intension power-saving technique obtaining obvious power savings without the goods and materials investment.
The main loss of electric power system is made up of transformer loss and transmission line wire loss.Because the existence of power line conductive line resistance can cause a large amount of electric energy losses during electric power transfer, the electric energy loss that remote high-tension electricity transmission line causes accounts for 5%~7% of institute's transmission of electric energy greatly.For local electric network, the terminal of the high-tension line of 35 kilovolts or 110Kv is deep into enterprise and city load center, can shorten 10 KV distribution Route Length in a large number to reduce line loss.Simultaneously this can simplify transformation progression (according to statistics, every through transformation to consume 1~2% idle, transformation line number is many more, loss is big more).Small-sized integrated box-type substation gos deep into load center, for energy loss that reduces low-voltage circuit and saving non-ferrous metal consumption, has very important significance.During being particularly useful for, it presses the occasion of terminal load dispersing.
The high-tension electricity general supply at first enters case and becomes high-voltage board from the high-voltage board end of incoming cables, be connected with the high pressure end of incoming cables of transformer from the high-voltage board leading-out terminal then, low pressure leading-out terminal from transformer connects low-voltage cabinet afterwards, connects capacitor by low-voltage cabinet again, connects the user by capacitor.
Adopt the reactive-load compensation capacitor cabinet or regulate load tap changer, can improve the voltage levvl of operation of power networks, effectively reduce power network line losses in transformer station.According to calculating, if circuit working voltage value improves 5%, electric energy loss can reduce by 9%.Move as the 6kV circuit being raised to 10V, cpable of lowering power loss about 64%, circuit carries parameter to increase greatly simultaneously.So can also simplify transformation progression, make the electrical network layout more reasonable, make the loss of electrical network drop to minimum.
The integrated box-type substation of compact layout type, the cable that is flexible coupling between its capacitor panel and the low-voltage cabinet are in the inside of machine, and capacitor panel does not influence the connection of cable when opening, therefore can chargedly open.Can see the tangible formula connect-disconnect plug of general supply long cable section of ingoing line shield type of high-voltage board side after the unlatching, can install or maintenance operation.The tangible formula connect-disconnect plug of this shield type, the Electrical Safety that can guarantee to open the back high-pressure section can not cause danger to the people.And the openable capacitor panel also can reduce the damage of power consumption equipment, prolongation power consumption equipment life-span, reduction maintenance workload.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the plane figure of the integrated box-type substation of the utility model compact layout type.
The structure chart of the nearly high-voltage board avris of Fig. 2 transformer.
Plane figure when the capacitor panel that Fig. 3 becomes for the utility model case rotarily opens.
Structure chart after Fig. 4 is fitted together and takes apart for hinge set.
Embodiment
The integrated box-type substation of one compact layout type, partly be made up of transformer, high-voltage board, low-voltage cabinet and capacitor panel etc., the high-tension cable inlet wire insertion and extraction head 1 of its transformer, sub-connecting switch of transformer 6, oil level gauge 4, two upper limit electric contact temperature control meter 2, Pressure gauge 5, pressure relief valve 3, bleeder plug 7 are installed in the nearly high-voltage board avris of transformer.The overlapping combination in capacitor panel and hyperbaric chamber, the general supply long cable section of ingoing line insertion and extraction head of side, hyperbaric chamber are in the back of capacitor panel, and capacitor panel is the structure that can whole rotarily open.Breaking down when needing repairing in the general supply cable connection chamber of side, hyperbaric chamber, capacitor panel is opened can be carried out maintenance operation.The low-voltage cabinet on capacitor panel and next door fixes by hinge 8, and hinge one end is fixed on the capacitor panel, and an end is fixed on the low-voltage cabinet.The electric power incoming line of capacitor chamber is connected by the cable 9 that is flexible coupling with low-pressure chamber major loop busbar.The inside of cable that is flexible coupling between capacitor chamber and low-pressure chamber major loop at machine.
The integrated box-type substation of compact layout type is because volume is little, can be installed in the place that traditional big transformer station can't install because of landform and environmental impact, so can go deep into load center, reduce the electric energy loss and the lead loss of transmission line near electric terminal.
Adopt the reactive-load compensation capacitor cabinet or regulate load tap changer, can improve the voltage levvl of operation of power networks, effectively reduce power network line losses in transformer station.
Because the cable that is flexible coupling between capacitor panel and the low-voltage cabinet is in the inside of machine, capacitor panel does not influence the connection of cable when opening, therefore can chargedly open.Can see the tangible formula connect-disconnect plug of general supply long cable section of ingoing line shield type of high-voltage board side after the unlatching, can install or maintenance operation.The tangible formula connect-disconnect plug of this shield type, the Electrical Safety that can guarantee to open the back high-pressure section can not cause danger to the people.And the openable capacitor panel also can reduce the damage of power consumption equipment, prolongation power consumption equipment life-span, reduction maintenance workload.
The integrated box-type substation of the utility model compact layout type has that volume is little, safe, noise is low, applicable performance is strong, can be effectively energy-conservation etc. characteristics.
Above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection range of claims of the present utility model.

Claims (7)

1. the integrated box-type substation of a compact layout type, partly be made up of transformer, high-voltage board, low-voltage cabinet and capacitor panel etc., be characterized in: the high-tension cable inlet wire insertion and extraction head of its transformer, sub-connecting switch of transformer, oil level gauge, thermometer, Pressure gauge, pressure relief valve, bleeder plug are installed on the avris of transformer.
2. box-type substation as claimed in claim 1 is characterized in: the high-tension cable inlet wire insertion and extraction head of its transformer, sub-connecting switch of transformer, oil level gauge, thermometer, Pressure gauge, pressure relief valve, bleeder plug are installed on the nearly high-voltage board avris of transformer.
3. box-type substation as claimed in claim 1 or 2, the overlapping combination of its capacitor panel and high-voltage board, the tangible formula connect-disconnect plug of general supply long cable section of ingoing line shield type of high-voltage board side is characterized in the back of capacitor chamber: the structure of its capacitor panel for can whole rotarily opening.
4. box-type substation as claimed in claim 3 is characterized in that: the low-voltage cabinet on capacitor panel and next door fixes by rotatable fixture.
5. box-type substation as claimed in claim 4 is characterized in that: the low-voltage cabinet on capacitor panel and next door fixes by hinge, and hinge one end is fixed on the capacitor panel, and an end is fixed on the low-voltage cabinet.
6. as the described box-type substation of one of claim 3-5, it is characterized in that: the electric power incoming line of capacitor chamber is connected by the cable that is flexible coupling with low-pressure chamber major loop busbar.
7. as the described box-type substation of one of claim 3-5, it is characterized in that: the inside of cable that is flexible coupling between capacitor chamber and low-pressure chamber major loop at machine.
CN2010205723733U 2010-10-22 2010-10-22 Integral box type substation with compact arrangement Expired - Fee Related CN201829840U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205723733U CN201829840U (en) 2010-10-22 2010-10-22 Integral box type substation with compact arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205723733U CN201829840U (en) 2010-10-22 2010-10-22 Integral box type substation with compact arrangement

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CN201829840U true CN201829840U (en) 2011-05-11

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106253114A (en) * 2016-08-04 2016-12-21 金乡县沃能电控科技有限公司 A kind of oil-immersed and high-voltage motor switch case
CN107863714A (en) * 2016-09-22 2018-03-30 北京华东电气股份有限公司 A kind of new prepackage compact box-type substation
CN113422316A (en) * 2021-06-09 2021-09-21 江苏中天伯乐达变压器有限公司 Multi-low-voltage cabinet transformer substation
CN114123004A (en) * 2021-11-30 2022-03-01 广东电网有限责任公司东莞供电局 Power generation quick connection device and box transformer substation device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106253114A (en) * 2016-08-04 2016-12-21 金乡县沃能电控科技有限公司 A kind of oil-immersed and high-voltage motor switch case
CN106253114B (en) * 2016-08-04 2019-04-12 金乡县沃能电控科技有限公司 A kind of oil-immersed and high-voltage motor switch case
CN107863714A (en) * 2016-09-22 2018-03-30 北京华东电气股份有限公司 A kind of new prepackage compact box-type substation
CN113422316A (en) * 2021-06-09 2021-09-21 江苏中天伯乐达变压器有限公司 Multi-low-voltage cabinet transformer substation
CN114123004A (en) * 2021-11-30 2022-03-01 广东电网有限责任公司东莞供电局 Power generation quick connection device and box transformer substation device
CN114123004B (en) * 2021-11-30 2024-04-12 广东电网有限责任公司东莞供电局 Power generation quick-connection device integrated box transformer device

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: N + G ELECTRICITY LTD.

Free format text: FORMER NAME: CNC ELECTRIC GROUP LESHAN N + G ELECTRICAL CO., LTD.

Owner name: N + G ELECTRICITY CO., LTD.

Free format text: FORMER NAME: N + G ELECTRICITY LTD.

CP01 Change in the name or title of a patent holder

Address after: 614000 No. 9 Yingbin Road, hi tech Zone, Shizhong District, Sichuan, Leshan, No. 8

Patentee after: N&G ELECTRICAL CO.,LTD.

Address before: 614000 No. 9 Yingbin Road, hi tech Zone, Shizhong District, Sichuan, Leshan, No. 8

Patentee before: Ning golon Electric Co.,Ltd.

Address after: 614000 No. 9 Yingbin Road, hi tech Zone, Shizhong District, Sichuan, Leshan, No. 8

Patentee after: Ning golon Electric Co.,Ltd.

Address before: 614000 No. 9 Yingbin Road, hi tech Zone, Shizhong District, Sichuan, Leshan, No. 8

Patentee before: CNC ELE. EQUIPMENT GROUP LESHAN N&G ELECTRICAL CO.,LTD.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110511

Termination date: 20191022

CF01 Termination of patent right due to non-payment of annual fee