what is the uses of C.V.T transformer in switch yard?
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Answer / balaji
1.we cant measure directly very high voltages(in kv) in
switchyard.so we need to step down the voltage in kv into
some small values.so we can measure small voltages using our
meters.the purpose of using capacitor is to filter DC and
will allow AC only.
| Is This Answer Correct ? | 10 Yes | 3 No |
Answer / swati agarwal
all switch yard instrument are mainly relay...whose current& voltage setting required...that are possible c.t having current upto 5A.7 voltage upto 110KV so difference of current can found out
| Is This Answer Correct ? | 5 Yes | 5 No |
3 shows a 415 V, 3-phase generator supplying a 3-phase 415/110 V transformer. Draw the individual and combined impedance diagrams to a base of 10 kVA. Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.
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