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IEC TS 60076-20 Power transformers - Part 20: Energy efficiency - Edition 1.0

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International Electrotechnical Commission

Power transformers - Part 20: Energy efficiency - Edition 1.0
 N TS 60076-20

 

Annotation

 

This part of IEC 60076 is applicable to transformers in the scope of IEC 60076-1

The energy performance levels given in Clause 6 are not applicable to the following transformers

transformers for high current rectifiers as described in the IEC 61378 (all parts) and in the IEC 60146 (all parts)

transformers for furnace applications

transformers for offshore applications

NOTE 1 Transformer to be installed on fixed or floating offshore platforms, offshore wind turbines or on board of ships and all kind of vessels)

transformers for emergency or temporary mobile installations

NOTE 2 Transformers designed only to provide cover for a specific time limited situation when the normal power supply is interrupted either due to an unplanned occurrence such as failure or a station refurbishment, but not to permanently upgrade an existing substation

traction transformers

earthing transformers as described in 3.1.10 of IEC 60076-6:2007

phase shifting transformers

instrument transformers (IEC 61869-1)

transformers and auto-transformers specifically designed for railway feeding systems, as defined in EN 50329

traction catenary supply transformer for 16,67 Hz

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