Answer Posted / karan

the meggar value depend on insulation level,
but we can inicate in thumb rule,
& thumb rule is
minimum meggar(IR)value is per KV 5megaohmas

working principle a.v.r. ?

2340

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Write down the design procedure of commutaj.

2076

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In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?

1171

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why magnet has north and south poles only why not east and west and why we are considering as north and south poles? why cant we consider as east and west?

1980

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A 100 kVA , 400 v/250 kv testing transformer has 8% leakage reactance and resistance on 100 KVA base . A cable has to be tested at 500 kv using the above transformer as a resonant transformer at 50 hz . if the charging current of the cable at 500 kv is 0.4 A find the series inductance required . Assume 2% resistance for the inductor to be used and the connecting leads . Neglect dielectric loss of hte cable . what will be the input voltage to the transformer ?

5181

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When we use 3 terminal resistor?

1171

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whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11

1823

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What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

1731

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What about electrical Units. discrive in detail

2020

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A 3 phase transformer's (Y-Y) Y and B phase is (Y and B connection not broken) broken from neutral and R and Nutral connection is ok, what will be the relay tripping and why

1902

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what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?

2343

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is oil viscosity affect on motor current?

1952

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how many types of motor can be used in washing machine

2064

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Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

1724

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If o/p power is doubled by how much does the sound increase

1030

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