What is the ladder circuit?

1 Answers   Mitharg Information Systems,

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in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly

0 Answers   Shaifali Rolls,

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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 mutual induction principle?

6 Answers  

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explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.

0 Answers   MPPGCL Madhya Pradesh Power Generating Company Ltd,

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What is frantic effect?

0 Answers  

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What is P.F? Formula for calculating PF in HT side?

1 Answers  

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wath is this mining of dg

2 Answers   Nokia,

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what is phase and neutral.

2 Answers   Birla,

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What are the protections for HT Motors?

1 Answers   BARC,

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what is hormonics. how it is generated & what are the problem faced by that.

5 Answers   APC,

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what is a 3 phase power formula ?

5 Answers  

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