NEN HD 428-4 : 1994
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
THREE PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 TO 2500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 4: DETERMINATION OF THE POWER RATING OF A TRANSFORMER LOADED WITH NON-SINUSOIDAL CURRENTS
15-05-2007
12-01-2013
Gives to the user guidance to determine the load-ability of an oil-immersed distribution transformer, in the case of load current with harmonic factors exceeding the maximum values allowed.
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