| Other Electrical Engineering Interview Questions |
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|How Size of Busbar is determined for a particular load.
|what is the difference between power transformer &
distribution transformer and what are their ratings
|We have 2 Nos. Transformer with the capacity of 2000KVA and
1250 KVA and currently using only one 2000KVA T/R during
operational hours while non- operational hous 1250 KVA T/R
also used to reduce T & D losses. Similarly, 2 capacitor
bank of 500KVAR and 300 KVAR also installed to balance
reactive power. Now problem is around 1000 KW load PF is
not maintaning 0.99 as 350 KVAR capacitor is in healty
condtion. Now the PF is maintain 0.95 to 0.96.
|what does the regenerative braking mean?and how it used for
Dc motor? thanks.
|why distribution transformer is uesd in Delta/Star
formation?is there any significance in doing this?If yes
|WHAT IS REACTIVE POWER?
|For what purpose an AVR in generator sensing generator
output voltage?and how the sensing is done by AVR?
|what the good value of earth resistance test
|What is the knee point of voltage of CT?
|what is the EMF
|Generally in AC we consider voltage, frequency and phase
sequence for parallel operation ... Can we parallel two DC
battery chargers? If yes, then what precaution to be taken
when we parallel two DC power?
|how many maximum nos of add on contact we shd provide on 4
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