what is power factor? whether it should be high or low? why?
Answer Posted / gajanan
pf is the cosine of angle between V & I ideal pf is unity bt
practically is not possible if t is low it means there s
losses occur.
| Is This Answer Correct ? | 2 Yes | 2 No |
Post New Answer View All Answers
If the feeder rating is 7.5 kw or 10 HP star-delta feeder, MCCB is taken as 63 a, contactors-32 a, how much will be the OLR rating or which range OLR should be considered when we concern about type-2 coordination?
how technical is calculated in 11kv line and lt line
Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??
what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.
Explain how you decide what size of electrical wire do you need?
diff.between servo motor and ac motor
Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???
how to calculate the earth mat design in 132 kv substation yard ????
Why do we avoid electrical conduits in floors at apartments?
Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.
what is arc flash and what are the hazards involved
What are dcs and plc?
can i connect REF and Differencial relay in 1 CT core for transformer protection?
How we can change the direction of rotation of Induction motor? Prove it using graphical
Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above