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International Electrotechnical Commission, 10/01/2021
Publisher: IEC
File Format: PDF
$221.00$443.00
Published:01/10/2021
Pages:298
File Size:1 file , 9.4 MB
This part of IEC 62271 is applicable to three-phase AC high-voltage generator circuit-breakers, hereafter called generator circuit-breakers, designed for indoor or outdoor installation and for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 1 kV and up to 38 kV.
It is applicable to generator circuit-breakers that are installed between the generator and the transformer terminals. Requirements relative to generator circuit-breakers intended for use with generators and transformers rated 10 MVA or more are covered specifically. Generator circuits rated less than 10 MVA and pumped-storage installations are considered special applications, and their requirements are not completely covered by this document.
This document is also applicable to the operating mechanisms of generator circuit-breakers and to their auxiliary equipment.
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