Capacitor impregnant with added additive
An additive and capacitor technology, applied in capacitors, fixed capacitors, circuits, etc., can solve the problems of unsatisfactory electrical resistance and inhalation performance, affecting the life of insulating structures, etc., to achieve volume reduction, increase working field strength, and improve performance. Effect
Inactive Publication Date: 2009-12-02
上海上电电容器有限公司
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- Abstract
- Description
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- Application Information
AI Technical Summary
Problems solved by technology
Pure benzyltoluene or diarylethanol impregnating agent for capacitors has poor electrical resistance and gas absorption performance under electric field, which affects the life of the insulating structure under high electric field.
So the existing capacitor impregnating agent needs to be further improved
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1
[0011] 5Kg benzyltoluene is put into the container, stir and add 0.03Kg of 3,4-epoxycyclohexanemethyl-3', 4'epoxycyclohexanemethyl ester, at normal temperature and pressure, obtain this Invented capacitor impregnating agent.
Embodiment 2
[0013] Put 5Kg benzyltoluene into the container, stir and add 0.04Kg of 3,4-epoxycyclohexanemethyl-3', 4'epoxycyclohexanemethyl ester, at normal temperature and pressure, obtain this Invented capacitor impregnating agent.
Embodiment 3
[0015] Put 5Kg of diarylethane into a container, stir and add 0.045Kg of vinyl dioxide cyclohexene, and obtain the capacitor impregnating agent of the present invention under normal temperature and pressure.
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The invention discloses an additive-added capacitor impregnating agent. The original capacitor impregnating agent benzyl toluene or diaryl ethane is added with an alicyclic epoxy resin in an amount of 0.6-1%. On the basis that the general physical, chemical and electrical properties of the impregnating agent are not affected, the product of the invention has the advantages of increasing the working field strength of the capacitor, saving costs and the like.
Description
technical field [0001] The invention relates to a new impregnating agent for capacitors, in particular to an impregnating agent for capacitors added with additives. Background technique [0002] At present, benzyl toluene or diaryl ethane is mainly used as impregnating agent for capacitors, as a liquid insulating medium, it can fill the gap between solid mediums and improve the insulation strength. The life characteristics of this solid-liquid insulation structure under high electric field depend on its partial discharge (PD initiation voltage and partial discharge extinguishing voltage) performance under high electric field, while the partial discharge performance and the heat resistance and electric resistance of the liquid medium The aging performance is closely related to the getter performance under electric field. Tests have shown that adding epoxy compounds to the impregnating agent can improve its electrical resistance and gas absorption under electric field. Simpl...
Claims
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IPC IPC(8): H01G4/22C07C15/12C08L63/00
Inventor 费献芳
Owner 上海上电电容器有限公司