Liquid-filled, medium-voltage unit substation transformer ...

The unit shall be provided with KNAN/KNAF rated cooling including fans and control equipment. Control power shall be provided by others. Additional capacity ratings shall be as follows; 15% for 750-2,000 kVA, 25% for 2,500-10,000 kVA, 33% for 12,000 kVA.] [, with future kVA capacity built into the cooling surfaces and conductors. ................
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