Power Substation Transformers are designed to provide electrical service for distribution system. Primary and secondary cables enter the transformer cable boxes from below through openings in the foundation. All exposed live parts are enclosed in cable boxes (or compartments when required). Designs for close-coupled bus-duct are also available. n nWESCOSA provides different designs to meet both IEC and ANSI standards. n nH.V. TAPS: ± 2 X 2 ½ % is standard. Special tapping is available. n nOff load/On Load top changer can be provided n n  n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n

	Standard Ratings
THREE PHASE n nkVA	HIGH VOLTAGES	LOW VOLTAGES
500-10000	160	20Y/127
11000	1Y/133
13200	400Y/231
13800	480Y/277
33000
34500

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