Reaffirmed March 2012. This guide is intended for the hydroelectric power industry to assist hydroelectric power plant owners, operators, and designers in the economic (feasibility) and technical evaluation (electrical aspects)…
This standard applies to metal-oxide surge arresters (MOSAs) designed to repeatedly limit the voltage surges on 48 Hz to 62 Hz power circuits (>1000 V) by passing surge discharge current…
This standard is divided into six clauses. Clause 1 provides the scope and purpose of this standard. Clause 2 lists references to other standards that are useful in applying this…
The performance of optical current and voltage measurement systems used in the generation, transmission, and distribution of alternating current electricity, and to assist in the proper selection of such equipment…
Conformance tests and requirements for the coating integrity of carbon steel pole mounted enclosures containing apparatus energized in excess of 600 volts, typically located out of reach of the general…
Reaffirmed 2008. Evaluation and testing of the coating integrity of carbon steel and copper bearing steel enclosures used with submersible electrical equipment are covered.
This standard covers certain electrical, dimensional, and mechanical characteristics and safety features of single- and three-phase, 60 Hz, mineral-oil-immersed, self-cooled, overhead-type distribution transformers 500 kVA and smaller, high voltages 34…
This amendment specifies the capacitance current switching portion of the rating structure for all ac circuit breakers rated above 1000 V, including both outdoor and indoor types having preferred ratings…