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sir, my question is that if we start any three phase induction motor with star connection.will be current taken ? please send a formula.
ABB,
4 10867i have a roll dia aprox.43 inches and gear box ratio is 14.3.so my question is how was decide the kw rating of motor.
1 3161Which UPS (inverter) is better and why ? 12 V inverter and 24 V (two 12 V batteries in series) inverter which is better ......... which has the longer backup which has the greater charging time which has the greater discharging time thank you
2 4386why dont we connect the two 12 V DC batteries in parallel, for an inverter (UPS)? is there any harm ?
3 65131 Ton = ? amperes & power. How much power 1.5 TON split AC consumes in an hour at 17 C , 26 C & 28 C (thermostat' temperature).
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18 451813how to determine the cable size...pls explain me with the formula taking particular load....does the factors like impedance & short circuit rating influence the cable size, if so how....
2108When capacitor bank connect on line. It's draw some current but it's current not increase of main line ammeter. Why?
1 6247Post New Electrical Engineering Questions
why we cannot protect 100% winding of an alternator by using differential protection?
please send me privious exam's queation papers of section engineer(electrical).
for 5KW resistive load can anyone please suggest me whether to go for UPS/Inverter or Generator depending upon cost calulations
Which power will flow first if we switch on a motor Active or Reactive? How?
how to avoid Saturation in C.T?
How do you calculate the actual power consumption of an inductive load appliance. Say, a deep freezer of 200watts
Why we make earth connection with Transformer Body and What will be the minimum size of copper wire as per code with respect to KVA rating of Transformer?
What are the essential characteristics of signal flow graphs?
what is (+) and (-) in generator field detector stand for?
What is the difference between isolators and electrical circuit breakers?
the problem faced on star or delta winding connection??
Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.
Draw a SLD of HT distribution EB grid up to users Transformer?
why the India electrical supply transmission loss is high when compare to us
what is the formula to calculate voltage drop/loss on 66KV Transmission Line?
