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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 10712i 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 3067Which 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 4278why dont we connect the two 12 V DC batteries in parallel, for an inverter (UPS)? is there any harm ?
3 63301 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 450992how 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....
2057When capacitor bank connect on line. It's draw some current but it's current not increase of main line ammeter. Why?
1 6158Post New Electrical Engineering Questions
Mention how NPN and PNP transistor works?
How to setting the volume of RTCC panel AVR (11kv) controller
How many wall/floor flange will i use in bus duct system if we have in our design a 35th floor building.
Good day everyone,currently in our premise we using 30kw slip ring motor with resistance bank which we use as forward and reverse at conveyor bar handling. So,my question is how do we calculate the resistance bank which is suit the motor. Kindly,assist me... thank you
define superposition theorem thevnin theorem ,norton theorom?
for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv
What is resistance reading of earth copper rod with grid and without grid?
which type of effect of turbine and generator reverse power protection ?
What do you mean by Stimulastion Test in Diesel Genarator / Why & when it's conducted ?
Do closed loop systems require manual input?
How will be the single line diagram of series trip HT breaker? how it works?
what are the specifications we must look at to select a relay for any capacity motor?
why current is constant on d.c?
If Dg set load increase 25%, How much increase fuel Consumption (15 kva 2 cylinder DG set)
What are dependent sources?
