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Answer Posted / k.prakashchandra
AH= load in watt x back up time required in hours/voltage of
battery.
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12.5 tons a/c is their how much kva generator can recommend to the customer.
define the non synchoronism of synchoronous machine in general g or m??
i am going to correct power factor of 1600kw induction motor,when i calculate capacitance of capacitor it is three time more in star connection than delta. if motor is star connected which connection i shall adopt for capacitors and reason for adopt this connection
In case of HV test on medium voltage cables, BS is asking for 4 U0 where as IEC is asking for 3.5 U0. Can any one advise me how this 3.5 times or 4 times U0 is derived?
In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.
Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere
What is a commutator?
by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.
What happens if we connect a single phase energy meter in reverse polarity.
we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.
where the lexical paramater will use in fron end?
HOW TO SELECT THE COPPER CABLE SIZES OF MOTORS,TRANSFORMERS?
how to calculate the change over time for star delta starter for different KW motor?
If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?
what is lumped and distributed elements?
