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|what is pf. how to calculate capacitor bank value to
maintain unity pf.
|what is phase voltage and phase current
what is line current and line phase
|Motor and transformer working with same principle so why
motor rotates while transformer not?
|Please tell me ceilingfan sweep means. Commenly we used
sweep1200mm and 600mm
MMENLY WE USED CEILINGFAN SWEEP1200MM AND SWEEP600MM
|what is the CT of protection and CT of metering ? what is
class 5P10 & 5P20 and class PS ?
|what is softstarter?
|Pure inductive ckt takes power from AC when
1. Applied voltage and Current increases
2. applied voltage and current decreses
3. voltage decreases and current decreases
|After fault clearing in Tr line, whether the Metering core of
CT is comes to normal condition from saturation region & its
works as a normal condition?
|what is L.T?specify the range?
|how much loading in terms of ampere can put on 5 MVA,33/11
KV TRANSFORMER having rated current 263 Amp ?????????
|An 11kv system consisting of an underground cable to a sub
station about 300 meters away was shut down for about 10
hrs. On energising, it tripped off on earth fault about
10---20 mins later 6 times but since than it is not
tripping.its already 3 weeks now. The SPAJ was found to be
fine. what could be the cause.No test had been done to
determine the cause of the trippings till now because of
|How power factor affect on bill explain with example.
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