The dc voltage tests procedures for the measurement of the insulation resistance and polarization index of insulated stator, and rotor windings and how to interpret the results are described in…
Electrical and mechanical requirements for liquid-immersed distribution and power transformers, and autotransformers and regulating transformers; single- and polyphase, with voltages of 601 V or higher in the highest voltage winding,…
This standard applies to surge protective devices designed for application on the low-voltage supply mains (1000 V rms and less, frequency between 48 Hz and 62 Hz) and intended to…
A tutorial style document that provides additional guidelines, beyond those in IEEE C37.48(TM), for the application and coordination of high-voltage power-and distribution-class current-limiting fuses.
General and specific recommendations for grounding current and voltage transformer secondary circuits and cases of connected equipment are covered in this guide. Although most diagrams included in this guide show…
The application of neutral grounding to three-phase electrical utility systems is described in this guide. It is Part 1 of the IEEE C62.92 series of guides for neutral grounding. This…
The descriptions of the standard transient recovery voltage (TRV) envelopes and ratings are changed in this amendment. This is applicable for ac high-voltage circuit breakers rated above 1000 V and…
Specifications for high-voltage (>1000 V) distribution class current-limiting fuses and fuse disconnecting switches, and associated accessories for these devices, are covered. All of these devices are intended for use on…
This standard covers electrical and mechanical performance and test requirements for tap changers installed in voltage regulating power and distribution transformers of all voltage and kVA ratings. It covers load…
