Electrical equipment for voltages 3 kV and higher. Test methods of electric strength of external insulation in conditions of contamination
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Electrical equipment for voltages 3 kV and higher. Test methods of electric strength of external insulation in conditions of contamination
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Transformers for induction electrothermal installations for frequency from 500 to 10000Hz. Basic parameters
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Electrical equipment and installations for a.c. voltage 3 kV and higher. General methods of dielectric tests
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Power transformers. Terms and definitions
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Converter transformers and reactors. General specifications
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Low frequency metering transformers with a power not exceeding 25 W. Basic parameters
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Single-phase feeding transformers for main with voltage from 1000 up to 35000 V and a power up to 4000 V A. Basic parameters
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Pulse transformers. Basis parameters
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Unified system for design documentation. Graphic identifications in schemes. Inductive coils, chokes, transformers, autotransformers and magnetic amplifiers
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Power transformers and electrical reactors. Degrees of protection
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Power transformers. Electromagnetic test methods
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