CN203481031U - High-voltage transformer - Google Patents
High-voltage transformer Download PDFInfo
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- CN203481031U CN203481031U CN201320471447.8U CN201320471447U CN203481031U CN 203481031 U CN203481031 U CN 203481031U CN 201320471447 U CN201320471447 U CN 201320471447U CN 203481031 U CN203481031 U CN 203481031U
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- Prior art keywords
- voltage
- zero
- sequence current
- out terminal
- power supply
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- 238000004804 winding Methods 0.000 claims abstract description 10
- 230000009466 transformation Effects 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a high-voltage transformer. The high-voltage transformer comprises an insulating case, three high-voltage primary connecting terminals, two low-voltage secondary outlet terminals, three zero-sequence voltage secondary outlet terminals, a zero-sequence current output terminal, capacitive voltage dividers, an electric rod, three secondary power supply voltage transformers and a zero-sequence current transformer, wherein an outlet end of a secondary coil of each secondary power supply voltage transformer is connected with an inlet end of one capacitive voltage divider, the outlet ends of two of the secondary coils are also connected with one low-voltage secondary outlet terminal respectively, and an outlet end of each capacitive voltage divider is connected with one corresponding zero-sequence voltage secondary outlet terminal; and an outlet end of a secondary winding of the zero-sequence current transformer is connected with the zero-sequence current output terminal. The high-voltage transformer can be used as a zero-sequence voltage transformer as well as a common voltage-reduction voltage transformer and has the advantage of being multi-functional.
Description
Technical field
The utility model belongs to high voltage electrical apparatus technical field, is 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 larger, and function is comparatively single, and its structure remains is needing improvements badly.
Utility model content
The purpose of this utility model be to provide a kind of can the diversified high-voltage mutual inductor of practical function.
The technical scheme that realizes the utility model object is: 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, three residual voltage secondary outlet terminals and a zero-sequence current lead-out terminal; What in insulation shell, be also provided with that three capacitor voltage dividers, three are connected with each high pressure primary connection terminal is set in respectively with the secondary power supply transformation instrument transformer on torch, one and is set in three with the zero sequence current mutual inductor on torch simultaneously with torch, three; 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; Zero sequence current mutual inductor comprises zero sequence iron core, winding and secondary winding, and the leading-out terminal of zero sequence current mutual inductor secondary winding is connected with zero-sequence current lead-out terminal.
The utility model can be used as zero sequential potential transformer, can use as common step-down voltage instrument transformer again, has multi-functional advantage.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
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.
Embodiment
(embodiment 1)
The present embodiment is a kind of high-voltage mutual inductor, see shown in Fig. 1 to Fig. 5, comprise insulation shell 1, and be arranged on three high pressure primary connection terminals on insulation shell 2, two low-pressure secondary outlet terminals 3, three residual voltage secondary outlet terminals 4 and zero-sequence current lead-out terminals 5; It is characterized in that: what in insulation shell, be also provided with that three capacitor voltage dividers 6, three are connected with each high pressure primary connection terminal is set in respectively with the secondary power supply transformation instrument transformer 8 on torch, one and is set in three with the zero sequence current mutual inductor 9 on torch simultaneously with torch 7, three; 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; Zero sequence current mutual inductor comprises zero sequence iron core 91, winding 92 and a 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 can be used as zero sequential potential transformer, can use as common step-down voltage instrument transformer again, has multi-functional advantage.Owing to adopting capacitor voltage divider dividing potential drop, existing good protection effect, can obtain again comparatively accurate each phase residual voltage, thereby realizes zero-sequenceprotection function comparatively reliably in addition.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model.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 also giving all execution modes.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (1)
1. a high-voltage mutual inductor, comprise insulation shell (1), and be arranged on three high pressure primary connection terminals (2), two low-pressure secondary outlet terminals (3), three residual voltage secondary outlet terminals (4) and a zero-sequence current lead-out terminal (5) on insulation shell; It is characterized in that: in insulation shell, be also provided with three capacitor voltage dividers (6), three band torches (7) that are connected with each high pressure primary connection terminal, three and be set in respectively with the secondary power supply transformation instrument transformer (8) on torch, one and be set in three with the zero sequence current mutual inductor on torch (9) simultaneously; 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; Zero sequence current mutual inductor comprises zero sequence iron core (91), a 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320471447.8U CN203481031U (en) | 2013-08-02 | 2013-08-02 | High-voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320471447.8U CN203481031U (en) | 2013-08-02 | 2013-08-02 | High-voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481031U true CN203481031U (en) | 2014-03-12 |
Family
ID=50229314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320471447.8U Expired - Fee Related CN203481031U (en) | 2013-08-02 | 2013-08-02 | High-voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203481031U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354161A (en) * | 2013-08-02 | 2013-10-16 | 苏州贝腾特电子科技有限公司 | High-voltage transformer |
| CN106018913A (en) * | 2016-06-27 | 2016-10-12 | 国网江苏省电力公司盐城供电公司 | Multifunctional high voltage transformer |
| 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 |
-
2013
- 2013-08-02 CN CN201320471447.8U patent/CN203481031U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354161A (en) * | 2013-08-02 | 2013-10-16 | 苏州贝腾特电子科技有限公司 | High-voltage transformer |
| CN103354161B (en) * | 2013-08-02 | 2015-12-23 | 国网新疆电力公司电力科学研究院 | High-voltage mutual inductor |
| CN106018913A (en) * | 2016-06-27 | 2016-10-12 | 国网江苏省电力公司盐城供电公司 | Multifunctional high voltage transformer |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: KAIFENG POWER SUPPLY COMPANY STATE GRID HENAN ELE Effective date: 20141203 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: YUEQING FENGJIE ELECTRONICS TECHNOLOGY CO., LTD. Effective date: 20141203 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 325604 WENZHOU, ZHEJIANG PROVINCE TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141203 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: KAIFENG POWER SUPPLY COMPANY, STATE GRID HENAN ELECTRIC POWER CO., LTD. Patentee after: QIXIAN POWER SUPPLY BUREAU Address before: Liushi Town, Yueqing city of Zhejiang Province, Wenzhou City West 325604 Ren Dang village Patentee before: YUEQING FENGJIE ELECTRONIC TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20150802 |
|
| EXPY | Termination of patent right or utility model |