what is direct dischage of power transformer

1 Answers  

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How many types of fault occur in a 3-phase power system?

2 Answers  

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why secondary of c.t. will kept open ?

4 Answers   L&T,

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Why front mounted CT polarities are always towards breaker?

0 Answers  

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what happens when d cexcitation given to alternator is removed while it is running or what happens when dc excitation is failed in alternator while running?

10 Answers  

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following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?

0 Answers  

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what is function of rtu?

1 Answers  

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I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?

0 Answers  

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Can we use the ceiling fan regulator to run drill machine having 2000 watt power consumption?

2 Answers  

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what happens when we give ac supply to the dc motor?and why?

4 Answers  

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what is capacitor voltage transformer?? how it is different from potential transformer?

0 Answers   NHPC,

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what is static frequency converter?what is the function...of sfc...?

0 Answers   L&T,

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