errection check list for transformer maintenance

0 Answers   RRB,

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how to calculate distance between busbar supporters for LT panel, what are the factors influencing in this design

0 Answers   Amara Raja, TATA,

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PAC and simple Ac different

0 Answers  

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we specify current in case of feeder but in case of distributor voltage, why?

0 Answers  

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Describe the control mechanism of missile launcher???

0 Answers   DRDO, ONGC,

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Why we use 4-20 mA Analog signal for the PLC input? Why not 0-20 mA? Why not 5-25 mA?

0 Answers  

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is electrons really flow or they just vibrate at their position?

5 Answers   Bhel, HAL,

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what is the working difference b/w softstarter and Variable frequency drive ?

6 Answers   Parle,

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Is necessary Protection CT, CLASS - 5P10 fitted at Incomer side of main Breaker ? Why ?

1 Answers  

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when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

0 Answers  

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If Two Generators are working parellel in a network and suddenly the field of one Generator get weakened What will happened if there is no reverse power relay fixed in that Generator panel????

7 Answers  

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What are the various types of LT panels? Name them.

3 Answers   Tyco,

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