CN105261469B - A kind of Multifunctional high-voltage transformer - Google Patents

A kind of Multifunctional high-voltage transformer Download PDF

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Publication number
CN105261469B
CN105261469B CN201510654259.2A CN201510654259A CN105261469B CN 105261469 B CN105261469 B CN 105261469B CN 201510654259 A CN201510654259 A CN 201510654259A CN 105261469 B CN105261469 B CN 105261469B
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insulation shell
mutual inductor
terminal
sequence current
zero
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CN105261469A (en
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胡小青
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Henan Zhikai Intelligent Technology Co ltd
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Yueqing Huazun Electric Co Ltd
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Abstract

The invention discloses a kind of Multifunctional high-voltage transformers, including insulation shell, three high pressure primary connection terminals, two low-pressure secondary outlet terminals and three residual voltage secondary outlet terminals；Three capacitive dividers, three bands torch and three secondary power supply transformation mutual inductors are additionally provided in insulation shell；Each secondary power supply transformation mutual inductor includes iron core, primary line packet and secondary line packet, and the leading-out terminal of the secondary line packet of two of them secondary power supply transformation mutual inductor is also connected with a low-pressure secondary outlet terminal respectively；It is additionally provided with a zero-sequence current output terminal on the antetheca of insulation shell, one is additionally provided in insulation shell while being set in three with the zero sequence current mutual inductor on torch；Sequence current transformer includes zero sequence iron core, first winding and secondary winding, and the leading-out terminal of zero sequence current mutual inductor secondary winding is connected with zero-sequence current output terminal.The present invention has the advantages that multi-functional.

Description

A kind of Multifunctional high-voltage transformer
The application be " on 08 02nd, 2013 " applying date, application No. is " 2013103340797 ", entitled " a kind of The divisional application of the application for a patent for invention of high-voltage mutual inductor ".
Technical field
The invention belongs to high voltage electrical apparatus technical fields, and in particular to a kind of Multifunctional high-voltage transformer.
Background technique
Existing High-Voltage Electrical Appliances, creepage protection function are realized using zero sequence current mutual inductor.Existing zero-sequence current is mutual Sensor, volume is larger, and function is more single, and structure, which still has, needs improvements.
Summary of the invention
The object of the present invention is to provide a kind of high-voltage mutual inductors that can be realized functional diversities.
Realizing the technical solution of the object of the invention is: a kind of Multifunctional high-voltage transformer, including insulation shell, and setting Three high pressure primary connection terminals, two low-pressure secondary outlet terminals and three residual voltage secondary outgoing lines on insulation shell Terminal；Be additionally provided in insulation shell three capacitive dividers, three be connected with each high pressure primary connection terminal band torches and Three are set in each secondary power supply transformation mutual inductor on torch；Each secondary power supply transformation mutual inductor includes iron core, primary line Packet and secondary line packet, the leading-out terminal of the secondary line packet of each secondary power supply transformation mutual inductor inlet wire with a capacitive divider respectively End be connected, and the leading-out terminal of the secondary line packet of two of them secondary power supply transformation mutual inductor also respectively with a low-pressure secondary outlet Terminal is connected, and the leading-out terminal of each capacitive divider is connected with a corresponding residual voltage secondary outlet terminal；Three high pressures are primary Connecting terminal is arranged on the antetheca of insulation shell, and two low-pressure secondary outlet terminals are arranged on the left side wall of insulation shell, Three residual voltage secondary outlet terminals are arranged on the bottom wall of insulation shell.
The present invention can be used and be used as common step-down voltage mutual inductor as zero sequential potential transformer, be had There is multi-functional advantage.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the first structure of the invention；
Fig. 2 is a kind of side view of high-voltage mutual inductor shown in Fig. 1；
Fig. 3 is a kind of bottom view of high-voltage mutual inductor shown in Fig. 1；
Fig. 4 is a kind of schematic diagram of internal structure of high-voltage mutual inductor shown in Fig. 1；
Fig. 5 is a kind of side view of high-voltage mutual inductor shown in Fig. 4；
Fig. 6 is a kind of structural schematic diagram of second of structure of the invention；
Fig. 7 is a kind of side view of high-voltage mutual inductor shown in Fig. 6；
Fig. 8 is a kind of schematic diagram of internal structure of high-voltage mutual inductor shown in Fig. 6；
Fig. 9 is a kind of side view of high-voltage mutual inductor shown in Fig. 8.
Specific embodiment
(embodiment 1)
The present embodiment is a kind of high-voltage mutual inductor, as shown in Fig. 1 to Fig. 5, including insulation shell 1, and be arranged and insulating Three high pressure primary connection terminals, 2, two low-pressure secondary outlet terminals 3 and three residual voltage secondary outlet terminals on shell 4；Three capacitive dividers 6, three band torch 7 and three being connected with each high pressure primary connection terminal are additionally provided in insulation shell It is a to be set in each secondary power supply transformation mutual inductor 8 on torch；Each secondary power supply transformation mutual inductor includes iron core 81, primary line Packet 82 and secondary line packet 83, the leading-out terminal of the secondary line packet of each secondary power supply transformation mutual inductor respectively with capacitive divider End of incoming cables be connected, and the leading-out terminal of the secondary line packet of two of them secondary power supply transformation mutual inductor also respectively with a low-pressure secondary Outlet terminal is connected, and the leading-out terminal of each capacitive divider is connected with a corresponding residual voltage secondary outlet terminal.
In the present embodiment, three high pressure primary connection terminals 2 are arranged on the antetheca of insulation shell, and two low-pressure secondaries go out Line terminals 3 are arranged on the left side wall of insulation shell, and the bottom wall of insulation shell is arranged in three residual voltage secondary outlet terminals 4 On.
The present embodiment can be used and be used as common step-down voltage mutual inductor as zero sequential potential transformer, Have the advantages that multi-functional.It divides, existing preferable protecting effect, and can be obtained more additionally, due to using capacitive divider Accurate each phase residual voltage, to realize more reliable zero-sequenceprotection function.
(embodiment 2)
The present embodiment is substantially the same manner as Example 1, the difference is that: as shown in figure Fig. 6 to Fig. 9, before insulation shell It is additionally provided with a zero-sequence current output terminal 5 on wall, one is additionally provided in insulation shell while being set in three on torch Zero sequence current mutual inductor 9；Sequence current transformer includes zero sequence iron core 91, first winding 92 and secondary winding 93, and zero-sequence current is mutual The leading-out terminal of sensor secondary winding is connected with zero-sequence current output terminal.
The present embodiment compared with Example 1, also has zero sequence creepage protection function.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And these Belong to the obvious changes or variations that connotation of the invention is extended out and still falls within protection scope of the present invention.

Claims (1)

1. a kind of Multifunctional high-voltage transformer, including insulation shell (1), and three high pressures being arranged on insulation shell are primary Connecting terminal (2), two low-pressure secondary outlet terminals (3) and three residual voltage secondary outlet terminals (4)；It is characterized by: Be additionally provided in insulation shell three capacitive dividers (6), three be connected with each high pressure primary connection terminal band torch (7) and Three are set in each secondary power supply transformation mutual inductor (8) on torch；
Each secondary power supply transformation mutual inductor includes iron core (81), primary line packet (82) and secondary line packet (83), and each secondary power supply becomes The leading-out terminal of the secondary line packet of mutual inductor is pressed to be connected respectively with the end of incoming cables of a capacitive divider, and two of them secondary power supply The leading-out terminal of the secondary line packet of transformation mutual inductor is also connected with a low-pressure secondary outlet terminal respectively, and each capacitive divider goes out Line end is connected with a corresponding residual voltage secondary outlet terminal；
Three high pressure primary connection terminals (2) are arranged on the antetheca of insulation shell, two low-pressure secondary outlet terminal (3) settings On the left side wall of insulation shell, three residual voltage secondary outlet terminals (4) are arranged on the bottom wall of insulation shell；
It is additionally provided with a zero-sequence current output terminal (5) on the antetheca of insulation shell, is additionally provided with one in insulation shell while covering Three are located at the zero sequence current mutual inductor (9) on torch；
Zero sequence current mutual inductor includes zero sequence iron core (91), first winding (92) and secondary winding (93), zero sequence current mutual inductor The leading-out terminal of secondary winding is connected with zero-sequence current output terminal；
The zero-sequence current output terminal (5) is located at the top of three high pressure primary connections terminal (2).
CN201510654259.2A 2013-08-02 2013-08-02 A kind of Multifunctional high-voltage transformer Active CN105261469B (en)

Priority Applications (1)

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CN201510654259.2A CN105261469B (en) 2013-08-02 2013-08-02 A kind of Multifunctional high-voltage transformer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310334079.7A CN103354160B (en) 2013-08-02 2013-08-02 A kind of high-voltage mutual inductor
CN201510654259.2A CN105261469B (en) 2013-08-02 2013-08-02 A kind of Multifunctional high-voltage transformer

Related Parent Applications (1)

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CN201510654259.2A Active CN105261469B (en) 2013-08-02 2013-08-02 A kind of Multifunctional high-voltage transformer
CN201310334079.7A Expired - Fee Related CN103354160B (en) 2013-08-02 2013-08-02 A kind of high-voltage mutual inductor
CN201510654744.XA Active CN105261470B (en) 2013-08-02 2013-08-02 High-voltage mutual inductor
CN201510654745.4A Active CN105261471B (en) 2013-08-02 2013-08-02 Multifunctional high-voltage transformer

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CN201510654745.4A Active CN105261471B (en) 2013-08-02 2013-08-02 Multifunctional high-voltage transformer

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Publication number Priority date Publication date Assignee Title
CN106252049A (en) * 2016-06-27 2016-12-21 国网江苏省电力公司盐城供电公司 Intelligent high-pressure transformer
CN107768099A (en) * 2017-11-06 2018-03-06 江苏科兴电器有限公司 A kind of voltage transformer
CN114242413B (en) * 2021-12-10 2023-11-10 国网河北省电力有限公司元氏县供电分公司 Multifunctional high-voltage transformer

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CN103076481A (en) * 2012-12-26 2013-05-01 北京科锐配电自动化股份有限公司 Three-phase integrated electronic transformer

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JP3013215B2 (en) * 1992-07-30 2000-02-28 日本碍子株式会社 Zero-phase voltage detector
JP3327186B2 (en) * 1997-10-17 2002-09-24 松下電器産業株式会社 Zero-phase voltage detector
CN2569308Y (en) * 2002-09-02 2003-08-27 倪学锋 Gas insulation electronic type capacitive voltage mutual inductor
JP4912563B2 (en) * 2003-09-02 2012-04-11 マルチ計測器株式会社 Split track type zero phase current transformer
CN201829340U (en) * 2010-10-14 2011-05-11 珠海威瀚科技发展有限公司 Electric assembled mutual inductor
CN202042879U (en) * 2011-04-28 2011-11-16 宏秀电气有限公司 Three-phase combined voltage zero sequence transformer
CN203055652U (en) * 2013-01-23 2013-07-10 大连中广互感器制造有限公司 Combined type mutual inductor
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CN202534498U (en) * 2012-03-07 2012-11-14 北京瑞奇恩互感器设备有限公司 Three-phase-in-one-piece electronic type current voltage transformer
CN103076481A (en) * 2012-12-26 2013-05-01 北京科锐配电自动化股份有限公司 Three-phase integrated electronic transformer

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Publication number Publication date
CN105261470B (en) 2019-01-29
CN105261470A (en) 2016-01-20
CN105261471B (en) 2019-01-29
CN105261471A (en) 2016-01-20
CN103354160A (en) 2013-10-16
CN105261469A (en) 2016-01-20
CN103354160B (en) 2015-11-04

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