EGSA - Electrical Generating Systems Association

Single phase rating for delta, delta-delta or open delta (zigzag) connections shall be a minimum of 60% of the 3 phase rating. Voltage unbalance with 25% of rated current on one phase and no other load on the generator shall not exceed 5%. Alternator temperatures shall be consistent with Paragraph 5.1. 8.2.7 Wave Form and Telephone Influence ... ................
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