what is the contact resistance of sf6 circuit breaker??

2 Answers  

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what is different between auto transformer and vriac

4 Answers  

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what is the aircraft voltage and frequency standard ?

1 Answers   Jet Airways,

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how generator generates electricity?

1 Answers   Suzlon,

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A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3

0 Answers  

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Define phase lag and phase lead?

0 Answers  

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some meggers have three terminals. wat is the real function of the earth terminal?

2 Answers  

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1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?

0 Answers   TATA,

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Why the output of generator varies eventhough the shaft speed is constant in thermal power plant?

5 Answers  

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What is the meaning of CT 40/5, 100/5 or in HT lines 100/1 ????????

3 Answers   Amex,

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can any one list the class-a, class-b & class-c trips of power generator?

3 Answers  

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11/.433KV, 100KVA TRANSFORMER is supplied with .433KV AT ITS PRIMARY. HOW MUCH KVA IT CAN SUPPLY

7 Answers   ABB,

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