Answer Posted / prem

Earthed.because core leakage current is tan delta point so earthed

how ceiling fan worked?

1963

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im electrical engineer, could any one help me for FEWA exam questions please ?

1159

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what is rating boiler

2049

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What is the difference between amorphous core transformer and CRGO core transformer?.

3792

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how the inner and outer body is separated in aircrafts?

1152

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whati s the sludge current in ups

2294

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what is thresold of perception

2131

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what is the difference between oil surge relay and buchholz relay.

7088

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How will you justify IR value and Charging voltage of any motor,transformer and Cables.......???? . . . . . . . . Plz tell me any body Baljeet Singh, engineer_89@refiff.com

2164

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what about SAP/MRP regarding manufacturing of electric motors and all drives?

2064

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can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??

1967

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how is working bearing heater?

2029

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redundant connection in contactor?

2547

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Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks

2139

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In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)

1831

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