whats the one main difference between UPS & inverter ? And electrical engineering & electronics engineering ?

16 Answers  

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Ehat is shunt motor?

4 Answers   L&T, Siemens,

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How much duration I can keep open the CT if it is under loading condition(100 Amp load)?

3 Answers   Infosys, NTPC, Suzlon,

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Is there any reason that we get shock on touching phase wire because the earth is at neutral potential? Is there any reason that the earth is at neutral potential because the neutral is earthed in apower station

0 Answers  

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how rated the neutral voltage of transformer and reactor, e.g. 400/220, 200MVA transformer have neutral voltage of 33kv. and reactor voltage 145kv. how this rating decided?

1 Answers   MEIL,

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what happens when ac supply is given to the dc motor and dc supply is given to the ac motor?

1 Answers   GATE,

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which relay is used for both detection & correction?(there is only one relay)

2 Answers  

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Why don't connect earth wire to elcb?if earth fault occur,how will detect it

1 Answers   TATA, Tata Communications, Telecommunications,

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there are a transformer and a motor. both are connected to 3phase, 415 Volt, 50Hz power supply. Both are working with induction principles. Then, why, motor is rotating and transformer is not rotating.

8 Answers  

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Current Transformer's star point must face the protected object for the relay operation?

2 Answers   Siemens,

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In domestic supply, when neutral touches earth the earth leakage trips. Does this mean that if the star (neutral) point of an alternator is earthed that power will flow to earth i.e. a direct short to earth?

1 Answers  

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iam working in power plant. In hot places tube lights are glowing at the end portion only. what is the reason for that?

0 Answers  

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