CN103354160B - A kind of high-voltage mutual inductor - Google Patents
A kind of high-voltage mutual inductor Download PDFInfo
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- CN103354160B CN103354160B CN201310334079.7A CN201310334079A CN103354160B CN 103354160 B CN103354160 B CN 103354160B CN 201310334079 A CN201310334079 A CN 201310334079A CN 103354160 B CN103354160 B CN 103354160B
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- power supply
- line bag
- supply transformation
- insulation shell
- leading
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- 238000009413 insulation Methods 0.000 claims abstract description 17
- 230000009466 transformation Effects 0.000 claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000004804 winding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The invention discloses a kind of high-voltage mutual inductor, comprise insulation shell, and be arranged on three high pressure primary connection terminals on insulation shell, two low-pressure secondary outlet terminals and three residual voltage secondary outlet terminals; Three capacitor voltage dividers, three band torches be connected with each high pressure primary connection terminal and three secondary power supply transformation instrument transformers be set on each band torch are also provided with in insulation shell; Each secondary power supply transformation instrument transformer comprises iron core, primary line bag and secondary line bag, the leading-out terminal of the secondary line bag of each secondary power supply transformation instrument transformer is connected with the end of incoming cables of a capacitor voltage divider respectively, and wherein the leading-out terminal of the secondary line bag of two secondary power supply transformation instrument transformers is also connected with a low-pressure secondary outlet terminal respectively, the leading-out terminal of each capacitor voltage divider is connected with a corresponding residual voltage secondary outlet terminal.The present invention can use as zero sequential potential transformer, can use again, have multi-functional advantage as common step-down voltage instrument transformer.
Description
Technical field
The invention belongs to high voltage electrical apparatus technical field, be specifically related to a kind of high-voltage mutual inductor.
Background technology
Existing High-Voltage Electrical Appliances, its creepage protection function adopts zero sequence current mutual inductor to realize.Existing zero sequence current mutual inductor, volume is comparatively large, and function is comparatively single, and its structure remains is needing improvements badly.
Summary of the invention
The object of this invention is to provide one can the diversified high-voltage mutual inductor of practical function.
The technical scheme realizing the object of the invention is: a kind of high-voltage mutual inductor, comprises insulation shell, and is arranged on three high pressure primary connection terminals on insulation shell, two low-pressure secondary outlet terminals and three residual voltage secondary outlet terminals; Three capacitor voltage dividers, three band torches be connected with each high pressure primary connection terminal and three secondary power supply transformation instrument transformers be set on each band torch are also provided with in insulation shell; Each secondary power supply transformation instrument transformer comprises iron core, primary line bag and secondary line bag, the leading-out terminal of the secondary line bag of each secondary power supply transformation instrument transformer is connected with the end of incoming cables of a capacitor voltage divider respectively, and wherein the leading-out terminal of the secondary line bag of two secondary power supply transformation instrument transformers is also connected with a low-pressure secondary outlet terminal respectively, the leading-out terminal of each capacitor voltage divider is connected with a corresponding residual voltage secondary outlet terminal.
The present invention can use as zero sequential potential transformer, can use again, have multi-functional advantage as common step-down voltage instrument transformer.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the first structure of the present invention;
Fig. 2 is a kind of end view of high-voltage mutual inductor shown in Fig. 1;
Fig. 3 is a kind of upward view of high-voltage mutual inductor shown in Fig. 1;
Fig. 4 is a kind of internal structure schematic diagram of high-voltage mutual inductor shown in Fig. 1;
Fig. 5 is a kind of end view of high-voltage mutual inductor shown in Fig. 4;
Fig. 6 is a kind of structural representation of the second structure of the present invention;
Fig. 7 is a kind of end view of high-voltage mutual inductor shown in Fig. 6;
Fig. 8 is a kind of internal structure schematic diagram of high-voltage mutual inductor shown in Fig. 6;
Fig. 9 is a kind of end view of high-voltage mutual inductor shown in Fig. 8.
Embodiment
(embodiment 1)
The present embodiment is a kind of high-voltage mutual inductor, sees shown in Fig. 1 to Fig. 5, comprises insulation shell 1, and three high pressure primary connection terminals, 2, two the low-pressure secondary outlet terminals 3 be arranged on insulation shell and three residual voltage secondary outlet terminals 4; Band torch 7 and three secondary power supply transformation instrument transformers 8 be set on each band torch that three capacitor voltage dividers 6, three are connected with each high pressure primary connection terminal is also provided with in insulation shell; Each secondary power supply transformation instrument transformer comprises iron core 81, primary line bag 82 and secondary line bag 83, the leading-out terminal of the secondary line bag of each secondary power supply transformation instrument transformer is connected with the end of incoming cables of a capacitor voltage divider respectively, and wherein the leading-out terminal of the secondary line bag of two secondary power supply transformation instrument transformers is also connected with a low-pressure secondary outlet terminal respectively, the leading-out terminal of each capacitor voltage 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 secondary outlet terminals 3 are arranged on the left side wall of insulation shell, and three residual voltage secondary outlet terminals 4 are arranged on the diapire of insulation shell.
The present embodiment can use as zero sequential potential transformer, can use again, have multi-functional advantage as common step-down voltage instrument transformer.In addition owing to adopting capacitor voltage divider dividing potential drop, existing good protected effect, can obtain again comparatively accurate each phase residual voltage, thus realizes zero-sequenceprotection function comparatively reliably.
(embodiment 2)
The present embodiment is substantially the same manner as Example 1, difference is: see shown in figure Fig. 6 to Fig. 9, the antetheca of insulation shell is also provided with a zero-sequence current lead-out terminal 5, in insulation shell, is also provided with a zero sequence current mutual inductor 9 be simultaneously set on three band torches; Sequence current transformer comprises zero sequence iron core 91, winding 92 and secondary winding 93, and the leading-out terminal of zero sequence current mutual inductor secondary winding is connected with zero-sequence current lead-out terminal.
The present embodiment, compared with embodiment 1, also has zero sequence creepage protection function.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.
Claims (1)
1. a high-voltage mutual inductor, comprises insulation shell (1), and is arranged on three high pressure primary connection terminals (2) on insulation shell, two low-pressure secondary outlet terminals (3) and three residual voltage secondary outlet terminals (4); It is characterized in that: in insulation shell, be also provided with three capacitor voltage dividers (6), three band torches (7) be connected with each high pressure primary connection terminal and three secondary power supply transformation instrument transformers (8) be set on each band torch; Each secondary power supply transformation instrument transformer comprises iron core (81), primary line bag (82) and secondary line bag (83), the leading-out terminal of the secondary line bag of each secondary power supply transformation instrument transformer is connected with the end of incoming cables of a capacitor voltage divider respectively, and wherein the leading-out terminal of the secondary line bag of two secondary power supply transformation instrument transformers is also connected with a low-pressure secondary outlet terminal respectively, the leading-out terminal of each capacitor voltage divider is connected with a corresponding residual voltage secondary outlet terminal.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510654744.XA CN105261470B (en) | 2013-08-02 | 2013-08-02 | High-voltage mutual inductor |
| CN201510654259.2A CN105261469B (en) | 2013-08-02 | 2013-08-02 | A kind of Multifunctional high-voltage transformer |
| CN201310334079.7A CN103354160B (en) | 2013-08-02 | 2013-08-02 | A kind of high-voltage mutual inductor |
| CN201510654745.4A CN105261471B (en) | 2013-08-02 | 2013-08-02 | Multifunctional high-voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310334079.7A CN103354160B (en) | 2013-08-02 | 2013-08-02 | A kind of high-voltage mutual inductor |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510654745.4A Division CN105261471B (en) | 2013-08-02 | 2013-08-02 | Multifunctional high-voltage transformer |
| CN201510654744.XA Division CN105261470B (en) | 2013-08-02 | 2013-08-02 | High-voltage mutual inductor |
| CN201510654259.2A Division CN105261469B (en) | 2013-08-02 | 2013-08-02 | A kind of Multifunctional high-voltage transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103354160A CN103354160A (en) | 2013-10-16 |
| CN103354160B true CN103354160B (en) | 2015-11-04 |
Family
ID=49310516
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| 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 |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| CN201510654259.2A Active CN105261469B (en) | 2013-08-02 | 2013-08-02 | A kind of Multifunctional high-voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN105261470B (en) |
Families Citing this family (3)
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2569308Y (en) * | 2002-09-02 | 2003-08-27 | 倪学锋 | Gas insulation electronic type capacitive voltage 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 |
| CN203481029U (en) * | 2013-08-02 | 2014-03-12 | 乐清市风杰电子科技有限公司 | High voltage mutual inductor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
-
2013
- 2013-08-02 CN CN201510654744.XA patent/CN105261470B/en active Active
- 2013-08-02 CN CN201510654745.4A patent/CN105261471B/en active Active
- 2013-08-02 CN CN201510654259.2A patent/CN105261469B/en active Active
- 2013-08-02 CN CN201310334079.7A patent/CN103354160B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2569308Y (en) * | 2002-09-02 | 2003-08-27 | 倪学锋 | Gas insulation electronic type capacitive voltage 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 |
| CN203481029U (en) * | 2013-08-02 | 2014-03-12 | 乐清市风杰电子科技有限公司 | High voltage mutual inductor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103354160A (en) | 2013-10-16 |
| CN105261469A (en) | 2016-01-20 |
| CN105261471A (en) | 2016-01-20 |
| CN105261471B (en) | 2019-01-29 |
| CN105261469B (en) | 2019-01-29 |
| CN105261470B (en) | 2019-01-29 |
| CN105261470A (en) | 2016-01-20 |
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| C14 | Grant of patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Fang Jingtao Inventor after: Nie Wei Inventor after: Jia Jianmin Inventor after: Zhao Jianming Inventor after: Lv Haifeng Inventor after: Cheng Tao Inventor after: Sun Dongsheng Inventor after: Li Wenjing Inventor after: Li Peng Inventor after: Dong Bo Inventor after: Zhao Zhigang Inventor after: Cheng Dazhong Inventor after: Sun Liantang Inventor after: Gao Dong Inventor after: Tang Xinzhong Inventor after: Dai Jinlei Inventor after: Mao Huiqing Inventor after: Guo Zengmin Inventor after: Li Wei Inventor after: Jia Baoguo Inventor after: Wang Jianmin Inventor after: Ren Zengliang Inventor after: Wang Zhengguo Inventor after: Zhang Junzhao Inventor after: Wang Jianzhong Inventor after: Yin Yuntai Inventor after: Liu Xiaozhen Inventor after: Cao Yutao Inventor after: Shang Zhen Inventor after: Qin Fangcui Inventor after: Yan Ming Inventor before: Hu Xiaoqing |
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| COR | Change of bibliographic data | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20151015 Address after: 100000 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: BINZHOU POWER SUPPLY COMPANY, STATE GRID SHANDONG ELECTRIC POWER CO., LTD. Applicant after: SHANDONG BINZHOU DONGLI ELECTRIC CO., LTD. Address before: 215026, Jiangsu, Suzhou Industrial Park, South Cross bumper harvest Plaza, 1, 809 Applicant before: Suzhou Beitengte Electronic Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151104 Termination date: 20160802 |