Madhu Insulaors

7/23/2019 Madhu Insulaors

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Properties

Mechanically Strong

High insulation ResistanceFree fro internal i!urities

High "ielectric Strength

High relati#e !eritti#ity

$on !orousShoul% not get a&ecte% 'ith changes inte!erature

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)orcelain

*lassSynthetic resin

INSULATOR MATERIALS

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Manufacture% fro ,hina ,lay

)lastic clay is i-e% 'ith silicon an% fel%s!ar an%!rocesse% in the ills. t is heate% at the controlle%te!erature. *i#en a !articular sha!e an% co#ere%'ith glae.

*al#anie% ,ast iron is use% for etal !arts insi%e. nsulation resistance is high. )orcelain is heate% to te!eratures such that

insulators ecoe echanically strong an%

reains non !orous. s it is glae% reains clean fro %ust an%

oisture. "ielectric Strength is aout 60/c.

PORCELAIN

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*lass is a%e tough y heat treatent

nnealing. s trans!arent cracs ules an% any

%efects can e easily %etecte%. "i electric strength is high. o' ,oecient of theral e-!ansion less

a&ecte% y changes in te!erature ,hea!er than !orcelain

Resisti#ity is high Si!le %esign ess stronger than )orcelain

,annot e oul%e% in regular sha!es

GLASS

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,o!oun%s of silicon ruer resin.

High tensile strength o' 'eight,o!arati#ely chea!erHigh leaage currentShort life s!an

SYNTHETIC RESIN

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Documents

Madhu Insulaors