CN102867637A - Electronic voltage transformer matched with high-voltage GIS - Google Patents
Electronic voltage transformer matched with high-voltage GIS Download PDFInfo
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- CN102867637A CN102867637A CN2012103424393A CN201210342439A CN102867637A CN 102867637 A CN102867637 A CN 102867637A CN 2012103424393 A CN2012103424393 A CN 2012103424393A CN 201210342439 A CN201210342439 A CN 201210342439A CN 102867637 A CN102867637 A CN 102867637A
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Abstract
An electronic voltage transformer matched with a high-voltage GIS (Gas Insulated Switchgear) comprises a secondary metering winding, epoxy resin mixed glue, secondary protective winding, a transformer main body and high-voltage end inlet and outlet leads. The transformer main body is a hollow cylinder; the secondary metering winding is arranged in the inner wall of the transformer; the secondary protective winding and a primary protective winding are connected at one side of the secondary metering winding; the epoxy resin mixed glue is poured in the residual space of the inner wall of the transformer; and a secondary aerial socket is arranged at the top end of the transformer main body. The voltage transformer is stable in performance, and under the condition of variable temperature and current, the ratio error and the phase error of the voltage transformer absolutely remain unchanged. No high voltage is generated in the case of a secondary open circuit of the transformer. Therefore, the major hidden trouble of fault during the operation of a power system is eliminated and the safety of personals and the equipment is guaranteed to the largest extent.
Description
Technical field
The present invention relates to a kind of Novel intelligent electronic current mutual inductor, refer more particularly to the supporting electronic current mutual inductor of using of a kind of high-pressure inflating cabinet.
Background technology
Along with the develop rapidly of electronic technology, microcomputer type relay protection and intellectual ammeter have progressively occupied leading position, in relaying protection and measuring, and the energy flow of control section and separate from information flow, thereby monitoring equipment no longer needs the instrument transformer of high-power output.Current electronic current mutual inductor often can not be directly and high-pressure inflating cabinet support the use, therefore develop a kind of high-pressure inflating cabinet with measurement, protection and ability to communicate supporting extremely urgent with electronic current mutual inductor.
Summary of the invention
Purpose of the present invention just provides the supporting electronic current mutual inductor of using of high-pressure inflating cabinet of a kind of stable performance, compact conformation.
The object of the present invention is achieved like this: a kind of high-pressure inflating cabinet is supporting to be comprised of secondary measurement level winding, epoxy resin mixed glue, second protection level winding, current transformer body and high-pressure side line with electronic current mutual inductor, it is characterized in that: described current transformer body is hollow cylinder, be provided with secondary measurement level winding in the instrument transformer inwall, described secondary measurement level winding one side is connected with second protection level winding and a protected level winding, and instrument transformer inwall remaining space is cast with epoxy resin mixed glue; Described current transformer body top is provided with the secondary aviation socket.
Further, the coil rack of described secondary measurement level winding is built-in with first a circle Self-binding cord in the skeleton the inside before coiling; The coil intersection of described secondary measurement level winding is wound with copper braid over braid and semiconductive crimped paper.
Performance of the present invention is highly stable, in the situation that temperature and curent change, its ratio error, and phase error remains unchanged fully.The present invention can not produce high voltage when second open circuit, fundamentally eliminated the significant trouble hidden danger in the power system operation, has farthest ensured the safety of personnel and equipment.
Description of drawings
Fig. 1 is structural representation of the present invention
The instrument transformer positioning boss, 2, secondary measurement level winding, 3, epoxy resin mixed glue, 4, second protection level winding, 5, the secondary aviation socket, 6, protected level windings, 7, current transformer body, 8, the high-pressure side line.
Embodiment
Below in conjunction with accompanying drawing invention is described further:
A kind of high-pressure inflating cabinet is supporting to be comprised of secondary measurement level winding 2, epoxy resin mixed glue 3, second protection level winding 4, current transformer body 7 and high-pressure side line 8 with electronic current mutual inductor, it is characterized in that: described current transformer body 7 is hollow cylinder, be provided with secondary measurement level winding 2 in the instrument transformer inwall, described secondary measurement level winding 2 one sides are connected with second protection level winding 4 and a protected level winding 6, and instrument transformer inwall remaining space is cast with epoxy resin mixed glue 3; Described current transformer body top is provided with secondary aviation socket 5.
Further, the coil rack of described secondary measurement level winding 2 is built-in with first a circle Self-binding cord in the skeleton the inside before coiling; The coil intersection of described secondary measurement level winding 2 is wound with copper braid over braid and semiconductive crimped paper.
During implementation, coil of the present invention adopts built-in loop line, adopts loop-back approach to eliminate the impact of magnetic field on measuring, when adopting the little ironcore choke of low energy consumption, adopt the permalloy core material to do protected level in technique, carry out the dual shield protection with copper braid over braid and semiconductive crimped paper; In large-current electric minor instrument transformer, the air core coil number of turn is few when producing routinely, is difficult to guarantee precision, has adopted manganese-copper filament resistance regulation of series method, the precision of air core coil is reached more than 0.1 grade, and on-line monitoring adopts built-in capacitance potential dividing ring in current coil.
Claims (3)
1. a high-pressure inflating cabinet is supporting is by secondary measurement level winding (2) with electronic current mutual inductor, epoxy resin mixed glue (3), second protection level winding (4), current transformer body (7) and high-pressure side line (8) form, it is characterized in that: described current transformer body (7) is hollow cylinder, be provided with secondary measurement level winding (2) in the instrument transformer inwall, described secondary measurement level winding (2) one sides are connected with second protection level winding (4) and a protected level winding (6), and instrument transformer inwall remaining space is cast with epoxy resin mixed glue (3); Described current transformer body top is provided with secondary aviation socket (5).
2. the supporting electronic current mutual inductor of using of high-pressure inflating cabinet according to claim 1 is characterized in that: the coil rack of described secondary measurement level winding (2) is built-in with first a circle Self-binding cord in the skeleton the inside before coiling.
3. the supporting electronic current mutual inductor of using of high-pressure inflating cabinet according to claim 2 is characterized in that: the coil of described secondary measurement level winding (2) intersects and is wound with copper braid over braid and semiconductive crimped paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103424393A CN102867637A (en) | 2012-09-17 | 2012-09-17 | Electronic voltage transformer matched with high-voltage GIS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103424393A CN102867637A (en) | 2012-09-17 | 2012-09-17 | Electronic voltage transformer matched with high-voltage GIS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102867637A true CN102867637A (en) | 2013-01-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103424393A Pending CN102867637A (en) | 2012-09-17 | 2012-09-17 | Electronic voltage transformer matched with high-voltage GIS |
Country Status (1)
| Country | Link |
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| CN (1) | CN102867637A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104576006A (en) * | 2015-01-08 | 2015-04-29 | 大连第二互感器集团有限公司 | Current transformer being able to reduce local discharge and manufacturing method thereof |
| CN105336474A (en) * | 2015-12-09 | 2016-02-17 | 天津市百利纽泰克电气科技有限公司 | Low-voltage current transformer based on hollow coil and low-power iron core coil |
| CN106205989A (en) * | 2016-09-28 | 2016-12-07 | 江苏靖江互感器股份有限公司 | A kind of controller switching equipment is with one or two fusion threephase current transformers |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0811331A (en) * | 1994-06-30 | 1996-01-16 | Kyocera Corp | Image forming apparatus |
| CN201084540Y (en) * | 2007-08-28 | 2008-07-09 | 熊江咏 | An electronic current transformer applicable to a mid-positioned cabinet |
| CN202258772U (en) * | 2011-06-18 | 2012-05-30 | 江苏靖江互感器厂有限公司 | Epoxy pouring totally-closed support type electronic combined transformer for centrally installed switchgear |
| CN202871547U (en) * | 2012-09-17 | 2013-04-10 | 熊江咏 | Electronic current transformer for high voltage cubicle gas insulated switchgear in matching mode |
-
2012
- 2012-09-17 CN CN2012103424393A patent/CN102867637A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0811331A (en) * | 1994-06-30 | 1996-01-16 | Kyocera Corp | Image forming apparatus |
| CN201084540Y (en) * | 2007-08-28 | 2008-07-09 | 熊江咏 | An electronic current transformer applicable to a mid-positioned cabinet |
| CN202258772U (en) * | 2011-06-18 | 2012-05-30 | 江苏靖江互感器厂有限公司 | Epoxy pouring totally-closed support type electronic combined transformer for centrally installed switchgear |
| CN202871547U (en) * | 2012-09-17 | 2013-04-10 | 熊江咏 | Electronic current transformer for high voltage cubicle gas insulated switchgear in matching mode |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104576006A (en) * | 2015-01-08 | 2015-04-29 | 大连第二互感器集团有限公司 | Current transformer being able to reduce local discharge and manufacturing method thereof |
| CN105336474A (en) * | 2015-12-09 | 2016-02-17 | 天津市百利纽泰克电气科技有限公司 | Low-voltage current transformer based on hollow coil and low-power iron core coil |
| CN106205989A (en) * | 2016-09-28 | 2016-12-07 | 江苏靖江互感器股份有限公司 | A kind of controller switching equipment is with one or two fusion threephase current transformers |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130109 |