CN201667280U - 20-kilovolt on-load capacitance-adjusting oil-immersed type power transformer - Google Patents

20-kilovolt on-load capacitance-adjusting oil-immersed type power transformer Download PDF

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Publication number
CN201667280U
CN201667280U CN2010200327345U CN201020032734U CN201667280U CN 201667280 U CN201667280 U CN 201667280U CN 2010200327345 U CN2010200327345 U CN 2010200327345U CN 201020032734 U CN201020032734 U CN 201020032734U CN 201667280 U CN201667280 U CN 201667280U
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CN
China
Prior art keywords
oil
power transformer
kilovolt
load capacitance
immersed type
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.)
Expired - Fee Related
Application number
CN2010200327345U
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Chinese (zh)
Inventor
王三杰
朱仁华
王立祥
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.)
Jinshanmen Technology Co., Ltd.
Original Assignee
SUZHOU JINSHANMEN TRANSFORMER CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SUZHOU JINSHANMEN TRANSFORMER CO Ltd filed Critical SUZHOU JINSHANMEN TRANSFORMER CO Ltd
Priority to CN2010200327345U priority Critical patent/CN201667280U/en
Application granted granted Critical
Publication of CN201667280U publication Critical patent/CN201667280U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a 20-kilovolt on-load capacitance-adjusting oil-immersed type power transformer which relates to an oil-immersed type power transformer. The oil-immersed type power transformer comprises a tank body; the tank body is internally provided with an oil tank, and an iron core in the oil tank, a low-voltage winding and a high-voltage winding outside the iron core; the top part of the tank body is provided with an oil level gauge and a pressure release valve, and also provided with an on-load capacitance-adjusting switch device; the on-load capacitance-adjusting switch device is connected with a lead of the transformer; and the tank body is also provided with an intelligent controller. The intelligent controller is connected with the high-voltage winding and the low-voltage winding for monitoring the change of high voltage and low voltage in real time. The 0-kilovolt on-load capacitance-adjusting oil-immersed type power transformer has the benefits of being capable of effectively transforming within the capacitance range from 100 kilovolt-amperes to 315 kilovolt-amperes, leading to high no-load capacity, improving the power supply capability, guaranteeing the voltage quality, reducing power consumption of a power grid, saving the building cost of the power grid simultaneously, and being extremely suitable for being installed in power grids in towns and cities by the arrangement of the on-load capacitance adjusting switch device and the control of the intelligent controller.

Description

The loaded capacity-regulated oil-immersed power transformer of 20kV
Technical field
The utility model relates to oil-immersed power transformer, specifically is that a kind of 20KV oil carries the capacity transfer oil-immersed power transformer.
Background technology
At present, oil-immersed power transformer is mainly by iron core, coil and fuel tank are formed, the iron core of domestic traditional oil-immersed power transformer generally adopts laminated core structure, it is that single piece of silicon steel band closed assembly by all size forms, also having the core structure of the oil-immersed power transformer of some is the takeup type iron core, it is to be reeled by the silicon strip that a width does not wait to form, be jointless closing structure, the takeup type iron core abbreviates the volume iron core as, two kinds of frame modes are arranged, and a kind of is that the plane is horizontal " day " font structure, and three iron core column of this structure all in one plane, three-phase magnetic circuit is closed mutually, single three-phase magnetic circuit no-load current imbalance; Another kind is the 3-D triangle structure, and it is assembled according to the equilateral triangle structure that core structure has three structures and the identical and column section of size and yoke cross section to be semicircular single-phase iron core.The intact iron core column of assembly unit is to be pieced together becoming a circular iron core post by the stem stem of two single-phase iron cores, and the structure three-phase magnetic circuit of this iron core is equal fully, three-phase magnetic circuit no-load current balance.Therefore the 3-D triangle reel iron core transformer is using and is promoting and occupy very big advantage.But in use also can find some problems, when seasonal temperature Change was bigger, the power load of period changed also greatly sooner or later, particularly in novel 20KV electrical network, need regulate timely real-time electricity consumption load, avoid causing excessive waste.
The utility model content
The technical problem that the utility model solved is to provide a kind of loaded capacity-regulated oil-immersed power transformer of 20KV that the seaonal load variation influences transformer greatly in the existing novel power grid 20KV system that solves.
The technical problem that the utility model solved realizes by the following technical solutions:
The loaded capacity-regulated oil-immersed power transformer of a kind of 20KV, the casing that comprises power transformer, comprise iron core and outer low pressure winding, the high pressure winding of iron core in fuel tank, the fuel tank in the casing, oil level indicator and pressure relief valve are installed in top at casing, it is characterized in that: the top at described casing also is provided with loaded capacity-regulated switching device, the described lead-in wire that has live to hold switching device and transformer links to each other, and intelligent controller also is set on described casing.
Described intelligent controller links to each other with high pressure winding, low pressure winding, monitors the variation of high pressure and low pressure in real time.
In the utility model, described high pressure winding is by the conversion of star triangle, the low pressure winding connects by series and parallel, lead-in wire has been connected to live and has held switching device, by the real-time monitoring of intelligent controller to high pressure and low-voltage capacitance, send instruction to there being live to hold switching device, carry out the automatic switchover of voltage, realized loaded capacity-regulated.
The beneficial effects of the utility model are by there being live to hold the setting of switching device and the control of intelligent controller, can effectively between the 100KVA capacity, change at 315KVA, unloaded ability is big, increased the ability of power supply, guaranteed quality of voltage, reduce the electric energy loss of electrical network, the construction cost of having saved electrical network simultaneously is highly suitable in the urban power grid and installs.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the side schematic view of Fig. 1.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As Fig. 1, Fig. 2, shown in Figure 3, the loaded capacity-regulated oil-immersed power transformer 1 of a kind of 20KV, the casing 11 that comprises power transformer, comprise fuel tank in the casing 11, the low pressure winding that iron core in the fuel tank and iron core are outer, high pressure winding (not shown), oil level indicator 12 and pressure relief valve 13 are installed in top at casing 11, and loaded capacity-regulated switching device 14 also is installed at the top of casing 11, the lead-in wire that has live to hold switching device 14 and oil-immersed power transformer 1 links to each other, in the casing 11 intelligent controller 15 is installed also simultaneously, with the high pressure winding, the low pressure winding links to each other, and monitors the variation of high pressure and low pressure in real time.
When the utility model uses, the high pressure winding is by the conversion of star triangle, the low pressure winding connects by series and parallel, lead-in wire has been connected to live and has held switching device 14, the real-time monitoring of 15 pairs of high pressure of intelligent controller and low-voltage capacitance, send instruction to there being live to hold switching device 14 when detecting peak value or low peak, carry out the automatic switchover of voltage, realized loaded capacity-regulated.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (3)

1. loaded capacity-regulated oil-immersed power transformer of 20KV, the casing that comprises power transformer, comprise iron core and outer low pressure winding, the high pressure winding of iron core in fuel tank, the fuel tank in the casing, oil level indicator and pressure relief valve are installed in top at casing, it is characterized in that: the top at described casing also is provided with loaded capacity-regulated switching device, the described lead-in wire that has live to hold switching device and transformer links to each other, and intelligent controller also is set on described casing.
2. according to the loaded capacity-regulated oil-immersed power transformer of the described 20KY of claim 1, it is characterized in that: described intelligent controller links to each other with high pressure winding, low pressure winding.
3. according to the loaded capacity-regulated oil-immersed power transformer of the described 20KV of claim 1, it is characterized in that: described high pressure winding is by the conversion of star triangle, and the low pressure winding connects by series and parallel.
CN2010200327345U 2010-01-05 2010-01-05 20-kilovolt on-load capacitance-adjusting oil-immersed type power transformer Expired - Fee Related CN201667280U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010200327345U CN201667280U (en) 2010-01-05 2010-01-05 20-kilovolt on-load capacitance-adjusting oil-immersed type power transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010200327345U CN201667280U (en) 2010-01-05 2010-01-05 20-kilovolt on-load capacitance-adjusting oil-immersed type power transformer

Publications (1)

Publication Number Publication Date
CN201667280U true CN201667280U (en) 2010-12-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010200327345U Expired - Fee Related CN201667280U (en) 2010-01-05 2010-01-05 20-kilovolt on-load capacitance-adjusting oil-immersed type power transformer

Country Status (1)

Country Link
CN (1) CN201667280U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106158307A (en) * 2015-04-01 2016-11-23 贵州聚龙达科技有限公司 A kind of controlled capacity transfer distribution transformer
CN106783100A (en) * 2015-11-19 2017-05-31 中国石油化工股份有限公司 A kind of intelligent transformer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106158307A (en) * 2015-04-01 2016-11-23 贵州聚龙达科技有限公司 A kind of controlled capacity transfer distribution transformer
CN106783100A (en) * 2015-11-19 2017-05-31 中国石油化工股份有限公司 A kind of intelligent transformer

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: JINSHANMEN TECHNOLOGY CO., LTD.

Free format text: FORMER OWNER: SUZHOU JINSHANMEN TRANSFORM CO., LTD.

Effective date: 20140117

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 215400 SUZHOU, JIANGSU PROVINCE TO: 323000 LISHUI, ZHEJIANG PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20140117

Address after: 323000 Shuige Industrial Park in Zhejiang province Lishui city Liandu District Nanming Road No. 795

Patentee after: Jinshanmen Technology Co., Ltd.

Address before: Wenzhou Industrial Park, 215400 Taicang city in Jiangsu province Shuangfeng town (new Yang Road)

Patentee before: Suzhou Jinshanmen Transformer Co., Ltd.

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

Granted publication date: 20101208

Termination date: 20160105