CN102623160A - Epoxy resin poured insulated totally-enclosed current transformer of 35kV and below - Google Patents
Epoxy resin poured insulated totally-enclosed current transformer of 35kV and below Download PDFInfo
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- CN102623160A CN102623160A CN201210137608XA CN201210137608A CN102623160A CN 102623160 A CN102623160 A CN 102623160A CN 201210137608X A CN201210137608X A CN 201210137608XA CN 201210137608 A CN201210137608 A CN 201210137608A CN 102623160 A CN102623160 A CN 102623160A
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Abstract
The invention provides an epoxy resin poured insulated totally-enclosed current transformer of 35kV and below. A box body is a metal totally-enclosed box body which is subjected to parkerizing treatment and plastic spraying; the side wall of the box body is in the form of a circular cluster parachute; a secondary winding is connected in series with a digital ammeter; an iron core is an iron core in which a middle layer is a silicon-steel plate layer and both an upper layer and a lower layer are amorphous alloy layers; an epoxy resin pouring body is arranged in the box body; and the iron core, the primary winding and the secondary winding are arranged in the epoxy resin pouring body. The current transformer has the advantages of excellent insulating performance, pollution resistance, dampness resistance, rust prevention, ageing resistance, small size and small weight of the transformer since the iron core is provided with the silicon-steel plate layer and the amorphous alloy layers, dominant magnetic conduction performance of an amorphous alloy, reduction in the loss value of the transformer, reduction in cost and saving in energy. The middle layer is a silicon-steel plate layer, so that the amorphous alloy layers can be stabilized, and failures of the iron core caused by mechanical stress are prevented.
Description
Technical field
The present invention relates to a kind of current transformer, relate in particular to a kind of 35kV and following poured with epoxy resin insulation totally enclosed type current transformer.
Background technology
In the production process of current transformer, iron core is as the key components of current transformer, and factors such as magnetic conduction ability, loss value and volume thereof, weight or the cost of iron core all are the problems that must consider in the production process.Simultaneously, the insulation property of current transformer also affect the effect of instrument transformer.How making good insulation preformance aborning also is the problem that will solve.Adopt the iron core of silicon steel sheet in the conventional art, but the aspects such as magnetic conduction ability, loss value and volume thereof, weight or cost of silicon steel sheet are all more undesirable, can not adapt to the production demand of present stage as current transformer.
Summary of the invention
The purpose of this invention is to provide the problem that aspect insulation property all more undesirable and instrument transformer such as magnetic conduction ability, loss value and volume thereof, weight or cost that a kind of 35kV and following poured with epoxy resin insulation totally enclosed type current transformer solves the iron core that exists in the prior art need improve.
Technical solution of the present invention is: a kind of 35kV and following poured with epoxy resin insulation totally enclosed type current transformer; Comprise that casing, primary connection inlet side, primary connection go out end, iron core, winding, secondary winding and a digital ammeter; Said casing is the metal all-closed casing through phosphatization processing and plastic-blasting; The sidewall of said casing be shaped as the round cluster parachute, the upper end of said casing is provided with said primary connection inlet side and primary connection goes out end, said primary connection inlet side goes out to hold the two ends that are connected a said winding with primary connection; Said secondary winding and digital ammeter series connection; Said iron core is that the intermediate layer is the iron core that silicon steel lamella, the upper and lower are amorphous alloy layer, is provided with epoxy resin poured body in the said casing, and said iron core, winding and secondary winding are located in the epoxy resin poured body.
Further improve and be: said iron core is annular core or the fastening iron core that bands together formation of a pair of C sections core.
A kind of 35kV of the present invention and following poured with epoxy resin insulation totally enclosed type current transformer; Its casing is the metal all-closed casing through phosphatization processing and plastic-blasting; Improved casing anti-ly get rusty, anti ageing property; Prolonged the useful life of casing, thereby prolonged, and sealing effect is good in the service time that to a certain degree makes current transformer.The sidewall of said casing be shaped as the round cluster parachute, it can prevent to form current.Said iron core is that the intermediate layer is the iron core that silicon steel lamella, the upper and lower are amorphous alloy layer; Can make the volume and weight that reduces instrument transformer to a certain extent, and the magnetic property of non-crystaline amorphous metal is outstanding, can reduces the loss value of instrument transformer to a certain extent; Reduce cost, save the energy.Simultaneously, very responsive because of non-crystaline amorphous metal to mechanical stress, be provided with in the intermediate layer of structure to the firm amorphous alloy layer of silicon steel lamella, prevent problem.And can adapt to concrete production demand through the thickness of regulating silicon steel lamella and amorphous alloy layer aborning.Said iron core, winding and secondary winding are cast in the epoxy resin poured body, and insulation property are superior, anti-pollution and humidity.Said iron core is an annular core, production and easy for installation.Said iron core is that the fastening iron core that bands together formation of a pair of C sections core has that volume is little, in light weight, the stock utilization advantages of higher.Digital ammeter can show the current conditions in the secondary winding, is beneficial to the electric current in the check secondary winding.
The invention has the beneficial effects as follows: a kind of 35kV of the present invention and following poured with epoxy resin insulation totally enclosed type current transformer insulation property are superior, anti-pollution and humidity, anti-ly get rusty, anti-aging; Its iron core has silicon steel lamella and amorphous alloy layer; Can make the volume and weight that reduces instrument transformer to a certain extent, and the magnetic property of non-crystaline amorphous metal is outstanding, can reduces the loss value of instrument transformer to a certain extent; Reduce cost, save the energy.Simultaneously, very responsive because of non-crystaline amorphous metal to mechanical stress, be provided with in the intermediate layer of structure to the firm amorphous alloy layer of silicon steel lamella, prevent that iron core from going wrong because of mechanical stress.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the structural representation of iron core of the present invention;
Wherein: 1-primary connection inlet side, the 2-primary connection goes out end, 3-iron core, winding of 4-, 5-secondary winding, 6-digital ammeter, 7-pour mass, 8-silicon steel lamella, 9-amorphous alloy layer, 10-casing.
Embodiment
Specify the preferred embodiments of the present invention below in conjunction with accompanying drawing.
As shown in Figure 1; Present embodiment provides a kind of 35kV and following poured with epoxy resin insulation totally enclosed type current transformer; Comprise that casing 10, primary connection inlet side 1, primary connection go out end 2, iron core 3, winding 4, secondary winding 5 and a digital ammeter 6; Said casing 10 is for handling through phosphatization and the metal all-closed casing of plastic-blasting, the sidewall of said casing 10 be shaped as the round cluster parachute, the upper end of said casing 10 is provided with said primary connection inlet side 1 and goes out end 2 with primary connection; Said primary connection inlet side 1 goes out the two ends that end 2 is connected a said winding 4 with primary connection; Said secondary winding 5 and digital ammeter 6 series connection, said iron core 3 is provided with epoxy resin poured body 7 for the intermediate layer is the iron core 3 that silicon steel lamella 8, the upper and lower are amorphous alloy layer 9 in the said casing 10; Said iron core 3, winding 4 and secondary winding 5 are located in the epoxy resin poured body 7, and said iron core 3 is an annular core 3.
A kind of 35kV of present embodiment and following poured with epoxy resin insulation totally enclosed type current transformer; Its casing 10 is the metal all-closed casing through phosphatization processing and plastic-blasting; Improved casing 10 anti-ly get rusty, anti ageing property; Prolonged the useful life of casing 10, thereby prolonged, and sealing effect is good in the service time that to a certain degree makes current transformer.The sidewall of said casing 10 be shaped as the round cluster parachute, it can prevent to form current.Said iron core 3 is the iron core 3 that silicon steel lamella 8, the upper and lower are amorphous alloy layer 9 for the intermediate layer; Can make the volume and weight that reduces instrument transformer to a certain extent; And the magnetic property of non-crystaline amorphous metal is outstanding; Can reduce the loss value of instrument transformer to a certain extent, reduce cost, save the energy.Simultaneously, very responsive to mechanical stress because of non-crystaline amorphous metal, being provided with in the intermediate layer of structure is firmly amorphous alloy layer 9 of silicon steel lamella 8, prevents problem.And can adapt to concrete production demand through the thickness of regulating silicon steel lamella 8 and amorphous alloy layer 9 aborning.Said iron core 3, winding 4 and secondary winding 5 are cast in the epoxy resin poured body 7, and insulation property are superior, anti-pollution and humidity.Said iron core 3 is an annular core 3, production and easy for installation.Volume is little, in light weight, the stock utilization advantages of higher for a pair of C sections core 3 fastening iron cores 3 that band together formation have for said iron core 3.Digital ammeter 6 can show the current conditions in the secondary winding 5, is beneficial to the electric current in the check secondary winding 5.
The beneficial effect of present embodiment is: a kind of 35kV of present embodiment and following poured with epoxy resin insulation totally enclosed type current transformer insulation property are superior, anti-pollution and humidity, anti-ly get rusty, anti-aging; Its iron core has silicon steel lamella and amorphous alloy layer; Can make the volume and weight that reduces instrument transformer to a certain extent, and the magnetic property of non-crystaline amorphous metal is outstanding, can reduces the loss value of instrument transformer to a certain extent; Reduce cost, save the energy.Simultaneously, very responsive because of non-crystaline amorphous metal to mechanical stress, be provided with in the intermediate layer of structure to the firm amorphous alloy layer of silicon steel lamella, prevent that iron core from going wrong because of mechanical stress.
Claims (2)
1. a 35kV and following poured with epoxy resin insulation totally enclosed type current transformer; Comprise that casing (10), primary connection inlet side (1), primary connection go out end (2), iron core (3), a winding (4), secondary winding (5) and digital ammeter (6); It is characterized in that: said casing (10) is the metal all-closed casing through phosphatization processing and plastic-blasting; The sidewall of said casing (10) be shaped as the round cluster parachute; The upper end of said casing (10) is provided with said primary connection inlet side (1) and primary connection goes out end (2); Said primary connection inlet side (1) goes out the two ends that end (2) is connected a said winding (4) with primary connection; Said secondary winding (5) and digital ammeter (6) series connection; Said iron core (3) is provided with epoxy resin poured body (7) for the intermediate layer is the iron core (3) that silicon steel lamella (8), the upper and lower are amorphous alloy layer (9) in the said casing (10), said iron core (3), a winding (4) and secondary winding (5) are located in the epoxy resin poured body (7).
2. 35kV as claimed in claim 1 and following poured with epoxy resin insulation totally enclosed type current transformer, it is characterized in that: said iron core (3) is annular core (3) or the fastening iron core (3) that bands together formation of a pair of C sections core (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210137608XA CN102623160A (en) | 2012-05-07 | 2012-05-07 | Epoxy resin poured insulated totally-enclosed current transformer of 35kV and below |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210137608XA CN102623160A (en) | 2012-05-07 | 2012-05-07 | Epoxy resin poured insulated totally-enclosed current transformer of 35kV and below |
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| Publication Number | Publication Date |
|---|---|
| CN102623160A true CN102623160A (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210137608XA Pending CN102623160A (en) | 2012-05-07 | 2012-05-07 | Epoxy resin poured insulated totally-enclosed current transformer of 35kV and below |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975424A (en) * | 2012-12-08 | 2013-03-20 | 山西太钢不锈钢股份有限公司 | Composite electrical steel material |
| CN104637662A (en) * | 2015-03-02 | 2015-05-20 | 周午贤 | Accuracy-adjustable multi-current-ratio transformer |
| CN114927311A (en) * | 2022-06-14 | 2022-08-19 | 广东四会互感器厂有限公司 | Totally enclosed three-phase voltage transformer in groups |
-
2012
- 2012-05-07 CN CN201210137608XA patent/CN102623160A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975424A (en) * | 2012-12-08 | 2013-03-20 | 山西太钢不锈钢股份有限公司 | Composite electrical steel material |
| CN104637662A (en) * | 2015-03-02 | 2015-05-20 | 周午贤 | Accuracy-adjustable multi-current-ratio transformer |
| CN114927311A (en) * | 2022-06-14 | 2022-08-19 | 广东四会互感器厂有限公司 | Totally enclosed three-phase voltage transformer in groups |
| CN114927311B (en) * | 2022-06-14 | 2023-02-03 | 广东四会互感器厂有限公司 | Totally enclosed three-phase voltage transformer in groups |
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Application publication date: 20120801 |