Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

0 Answers  

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What is the problem of internal failure in ship engine telegraph system norcontrol?

0 Answers   SAR,

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in 33kv/11kv stepdown t/f why should we use Star point

2 Answers  

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In Which vector group power transformers are mostly manufactured?

1 Answers   MRF,

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how to calculate the cable size

3 Answers  

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substation+ plc system

0 Answers  

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why battery dc voltage become Half when we check with respect to ground for example 120volts + and - terminals and when we check + terminal with Earth thats 60volts why 60volts same result on 24Volts and with ground 12Volts only expert answer that thanks we can not ground the battery.

2 Answers   Etimaad,

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Can we install and run MCCB suitable for 440v 3Phase 4wire system, on a 220V 3Phase 4Wire System.

3 Answers  

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what is formula of illumation calculation

0 Answers  

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what is the use of the circle diagram

2 Answers  

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what are the merits and demerits of synchronous motor over an induction motor...??

5 Answers   NTPC,

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neutral carrying current more than phase in 3phase supply.i want to know the reason?

2 Answers  

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