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IF 3 NOS.OF HEATERS,3KW CAPACITY EACH,1 NO.HEATER CONNECTED IN R PHASE,1 IN Y PHASE AND 1 IN B PHASE.THEIR END POINTS CONNECTED IN STAR.IF I CONNECT THIS STAR POINT TO NEUTRAL OR DO NOT CONNECT TO NEUTRAL.WHAT WILL THE DIFFERENCE.
3 6526In 2500kva transformer how much is the withstand High voltage power frequency between primary to secondary and earth? And secondary to primary and earth?
1 4468I want to know if it is possible to use Variable Frequency Drive to reduce the current required for starting a motor?
3 5159How magnetic balance test of single phase transformer is done,Especially in ESP transformer rectifier set.
Bhel,
2 5785Post New Electrical Engineering Questions
In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?
we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?
What is meant by stator?
what is strip power factor?
what is difference between cpp electrical system and refinery electrical system
how give earthing conection to household equipment?
I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???
What do you mean by reach and reach the point of the relay?
how tto ingress mw in turbine explain.procedure ?
what is inverter and converter
briefly explain principle of resistance welding
why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?
explain types of electric welding and its applications
10 tube light connect in mcb breaker.one tube light is fault.so breaker is tribe.how fault is rectified.(using 3wire phase,earth,neutral)
what is the difference between changer, converter and transformer?
