IEEE C37.121-2020

Detailinformationen

Bezeichnung: IEEE C37.121-2020

Ausgabedatum: 09.03.2021

Seiten: 40

Land: Internationale technische Norm

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Annotation

Revision Standard - Active.
The basis for the coordination of equipment in unit substations by assisting in the selection of components is intended as the use of this guide. A variety of designs for unit substations are possible using various combinations of incoming sections, transformer sections, outgoing sections, and transition sections. It is intended that the incoming, outgoing, transformer, and transition sections included in a unit substation meet the basic requirements of applicable industry standards for those sections. This guide covers three-phase unit substations for step-down operation in the range of 112.5 kVA or greater at primary voltages of 601 V through 52 kV.

ISBN: 978-1-5044-7754-3, 978-1-5044-7093-3
Number of Pages: 40
Product Code: STD24426, STDPD24426
Keywords: control, gas-insulated switchgear, distribution, fuse, IEEE C37.121, metal-clad switchgear, metal-enclosed switchgear, metering, mobile unit substation, molded-case circuit breaker, motor control center, power circuit breaker, primary unit substation, radial substation, rectifier-type substation, secondary selective substation, secondary unit substation, spot-network substation, substation, surge protection, switchgear, transformer, transition section, unit substation
Category: Switchgear