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Standards Development is a service provided by BSI Group
Instrument transformers. General requirements
Safety of transformers, reactors, power supply units and combinations thereof. Particular requirements and tests for separating transformers with high insulation level and separating transformers with output voltages exceeding 1 000 V
Connecting terminal flags for bushings from 250 A to 4 000 A for insulating liquid filled transformers
Power transformers. Rules for the determination of uncertainties in the measurement of the losses on power transformers
Power transformers. Neutral grounding resistors
Power transformers. Additional European requirements. Medium power transformer. Accessories
Power transformers. Additional European requirements. Large power transformer. Special tests for corrugated tank and radiators
Outdoor bushings for 24 kV and 36 kV and for 5 kA and 8 kA, for liquid filled transformers
Standards Development