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ANSI/IEEE Std C57.12.90-1987 : IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers and IEEE Guide for Short-Circuit Testing of Distribution and Power Transformers / / Institute of Electrical and Electronics Engineers



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Titolo: ANSI/IEEE Std C57.12.90-1987 : IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers and IEEE Guide for Short-Circuit Testing of Distribution and Power Transformers / / Institute of Electrical and Electronics Engineers Visualizza cluster
Pubblicazione: New York, New York : , : IEEE, , 1988
Descrizione fisica: 1 online resource (80 pages)
Disciplina: 621.31922
Soggetto topico: Electric transformers - Testing
Short circuits
Sommario/riassunto: Superseded by C57.12.90-1987. Methods for performing tests specified in IEEE Std C57.12.00-1993, IEEE Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers, and other standards applicable to liquid-immersed distribution, power, and regulating transformers are described. Instrument transformers, step-voltage and induction voltage regulators, arc furnace transformers, rectifier transformers, specialty transformers, grounding transformers, and mine transformers are excluded. This standard covers resistance measurement, polarity and phase-relation tests, ratio tests, no-load-loss and excitation current measurements, impedance and loadloss measurements, dielectric tests, temperature tests, short-circuit tests, and audible-sound-level measurements.
Altri titoli varianti: ANSI/IEEE Std C57.12.90-1987: IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers and IEEE Guide for Short-Circuit Testing of Distribution and Power Transformers
Titolo autorizzato: ANSI  Visualizza cluster
ISBN: 0-7381-4297-2
Formato: Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione: Inglese
Record Nr.: 9910135769503321
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