why we step down voltage level from 33kv to 11kv and 11kv to 415v.Instead we can step down voltage from 33kv to 415v directly using single transformer.
12 55546If the supply voltage is same (say 440V) whether a system designed for 60 Hz frequency will work with 50 Hz frequency or not , if so pl. give clarification.
11 9169tell 2 reasons for why only copper is used in domestic wires& only alluminium in transmission lines ?
10 11254how much loading in terms of ampere can put on 5 MVA,33/11 KV TRANSFORMER having rated current 263 Amp ?????????
11 222341. what is the power factor and whatis his losses 2. what is the working procedure of 51RNB AND 87 relay
3 3353How to connect frequency meter in metering circuit?(single phase and three phase frequency meter)phase to phase or phase to neutral
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