Insulator PDF
classification of the line post insulator
Porcelain line post insulator on the overhead line is insulated and supported wireway, the effect same as porcelain pin type insulator.
Line post insulator is made up of porcelain and metal parts by cement. Porcelain top connect the lead, metal parts installed on the cross arm. But the difference about pin insulator is line post insulator is puncture type insulator.
Line post insulator according to the classification of the head has tie and clamp. The head of tie insulator is same as pin type insulator head. The head of clamp line post insulator has clamp parts, connection by cement.
porcelain line post insulator ceramic line post insulator
Line post insulator according to the ANSI with four kinds of classification:
Vertical mounting tie top insulators have ANSI 57-1, ANSI 57-2, ANSI 57-3, ANSI 57-4, ANSI 57-5.
Vertical installed at the top of the clamp insulators have ANSI 57-11, ANSI 57-12, ANSI 57-13, ANSI 57-14, ANSI 57-15.
Horizontal installed at the top of clamp insulators have ANSI 57-21, ANSI 57-22, ANSI 57-23, ANSI 57-24, ANSI 57-25.
Horizontal tilt installed at the top of the clamp insulators have ANSI 57-31, ANSI 57-32, ANSI 57-33, ANSI 57-34, ANSI 57-35.
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