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BSI PD IEC/TR 62271-305:2009

High-voltage switchgear and controlgear -- Capacitive current switching capability of air-insulated disconnectors for rated voltages above 52 kV
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BSI PD IEC/TR 62271-305:2009

High-voltage switchgear and controlgear -- Capacitive current switching capability of air-insulated disconnectors for rated voltages above 52 kV

PUBLISH DATE 2009
PAGES 22
BSI PD IEC/TR 62271-305:2009

This technical report applies to high-voltage air-insulated disconnectors for rated voltages above 52 kV. The report describes the capacitive current switching duty and provides guidance on laboratory testing to demonstrate the switching capability. Air-insulated disconnectors equipped with auxiliary interrupting devices are included under this scope.

NOTE For manually operated disconnectors, the in-service safety of the operator should be considered and it should be recognized that the results of the switching tests described herein (performed using motor-operated disconnectors) are not necessarily representative of the performance of such disconnectors in actual service. Due diligence should be exercised if the switching tests indicate that prolonged arc durations are probable.

SDO BSI: British Standards Institution
Document Number IEC/TR 62271-305
Publication Date Nov. 25, 2009
Language en - English
Page Count 22
Revision Level
Supercedes
Committee PEL/17
Publish Date Document Id Type View
Nov. 25, 2009 PD IEC/TR 62271-305:2009 Revision