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I try to check the three phase voltage in multimeter, in 125A isolator switch incommer. first i touch R phase, and then i touch Y phase using multimeter, the moment i touched, it blasts and that moment i got blindness. multimeter selector position is correct(750V AC MODE AND RED PROBE WASS IN v AND BLACK PROBE WASS IN COM. MODE. COULD ANYBODY GIVE ANSWER FOR THIS TO AVOID FURTHER ACCIDENTS PLEASE?
2 5700how i chosse capacitor bank if my energy meter is 48 kvr? tell me capacitor bank chossen formula?
Bhel,
2399how i chosse capacitor bank if my energy meter is 48 kvr? tell me capacitor bank chossen formula?
1 6846What will be the fault current of any system when its generation is 10% of BASE generation( FUll Load )?Will is 10% or the same as full base calculation?
1981HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM , 6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450 TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH PROBLEM WITH FEW LT MOTOR ALSO.
2004Post New Electrical Engineering Questions
In Power Line Communication (PLC) the wave trap is used to block communication signals from entering neighboring lines. My question is this: Why do they allow for different filtering arrangements on these wave traps? Isn't it always going to be a low pass filter since we want the power frequency to go through, and the comm signal blocked?
How do we find the rating of a transformer, if it got burnt badly.
why we use circuit breakers for switching instead of normal switching device?
Why induction motor is widely used in industry
HOW TO CALCULATE ELECTRICAL, MECHANICAL,& OVERALL EFICIENCY OF GAS ENGINE POWER PLANT
What Is Sampling?
How halogen & merquery lamp works.
what is mean by drives?
What is thresh hold value of current?
what is excitation/
The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?
On a 6 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 42 AH). What Shall be the current rating of DC MCB ?
how can calculate 1kva generator running time in 1 liter keroscene
How we can determine short circuiting current any plant and for example a plant which power generation is 415 volts and plant load is 500 kw.
why we testing the core balance of the transformer before comissioning?
