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BSI BS 171: AMD 1217: July 1973; AMD 2685: August 1978; AMD 3403: August 1980

Publication Date: Mar 31, 1970
SDO: BSI: British Standards Institution
 DOD Adopted   ANSI Approved Approved

Performance and test requirements for 1 kV A single-phase and 2 kV A polyphase: no upper limits to rated power or voltage. May also be applied as appropriate to special transformers not at present covered by separate British Standards.

Power transformers
Transformers
Rated power
Tappings (electrical)
Rated voltage
Designations
Temperature-rise limit
Dry-type transformers
Oil-immersed transformers
Electrical insulation
Windings
Short-circuit currents
Marking
Electric terminals
Resistance measurement
Voltage measurement
Current measurement
Temperature measurement
Dielectric-strength tests
Overvoltage tests
Impulse-voltage tests
Impedance measurement
Electrical insulation devices
High-voltage tests
Impedance voltage
Electric load

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