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How to calculate KW what is the formula for KW.
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dg started in plc mode and load taken later one battery terminal connection will be disconnected by loose connection what will happen for dg and shall we connect battery terminals while dg in load time?
what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?
why servomotor motor? where i apply for best output?
if the load is 80 amp for main fuse and 100 amp for breaker so how can we calculate the cable size (cooper ) .
I have motor 1500 HP and , 4160 V , 60 HZ , then i need the rating of transformer which can feed that motor ??
how can we determine size of a cable by knowing the kw or current rating of a load?how can we calculate the resistance box of a slip ring motor?
how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?
If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?
Why an ac systems are preferred over dc systems?
If symmetrical fault occurs at the terminal of a synchronous motor then how the motor will act...explain it..
how make megger test for control cable like 12c x 1.5mm and what it apply voltage and test timing details.
What is core CT & it's function?
How to check 11000/1.732 to 110/1.732 Potentila transformer (PT)?
in HT service 3ph 4 wire service Y-phase voltage shows zero . whether it is meter fault? or what be the reason ? if y-ph voltage zero ,can current is recorded? reasons for failure?
what is plunger and what's the use of it in motor alignment?
