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- PC37.09/D5.0, Sep 2018 - APPROVED DRAFT
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About This Item
This standard applies to ac high-voltage circuit breakers with rated maximum voltage above 1000 V. It defines various tests that are made on ac high-voltage circuit breakers, except for generator circuit breakers, which are covered in IEEE Std 62271-37-013 (formerly C37.013). It specifies the tests and describes the accepted methods used to verify assigned ratings defined in C37.04. It also describes test procedures associated with production and field installation. The test procedures are divided into the following test classifications: a) Design tests b) Production tests c) Conformance tests d) Field tests
Revision Standard - Active. The testing procedures for all high-voltage circuit breakers that include voltage ratings above 1000 V ac and comprise both indoor and outdoor types having the preferred ratings as listed in IEEE Std C37.04 are covered. Typical circuit breakers covered by these standards have maximum voltage ratings from 4.76 kV through 800 kV, and continuous current ratings of 600 A through 5000 A associated with the various maximum voltage ratings. The test procedures verify all assigned ratings, including continuous current, dielectric withstand voltages, short-circuit current, transient recovery voltage, and capacitor switching, plus associated capabilities such as mechanical endurance, load current, and out-of-phase switching. Production test procedures are also included. This standard does not cover generator circuit breakers as these are covered in IEC/IEEE Std 62271-37-013.