This document defines a recommended practice for the design, testing, and operation of secure communications networks for monitoring and control within and between electric power substations and related facilities.
Described in this guide are protective relay applications involving electric service to consumers that requires a transformation between the utility's supply voltage and the consumer's utilization voltage. It describes the…
Metal-enclosed, low-voltage switchgear which contains either stationary-mounted or drawout-mounted, manually or electrically operated low-voltage ac or dc power circuit breakers or low-voltage ac definite-purpose switching devices in individual metal compartments,…
To establish a uniform method for preparing samples, conducting tests, and analyzing results for establishing a comparative thermal life of insulation systems intended for use in dry-type transformers described in…
Electrical and mechanical performance and test requirements for on-load tap-changers of both resistor and reactor types, de-energized tap-changers, and their motor-drive mechanisms installed in power and distribution transformers, reactors, and…
This Guide covers all factors affecting the lightning flashover rate of overhead transmission lines with a phase-to-phase voltage exceeding 38 kV, and an average conductor height exceeding 10 m. These…
This guide categorizes important smart distribution applications, develops descriptions of the critical functions involved, defines important components of these systems, and provides examples of the systems that can be considered…
Background information on supply voltage fluctuations caused by fluctuations in power demands of installations is provided by this standard. The manifestation of these supply voltage fluctuations as lamp flicker is…
