At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?

2031

The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input

2262

write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.

2562

What happen when change order of CT in GIS feeder?

1651

Why is tan-delta test and capacitor measurement done on alternator?

2212

what is the ckt diagram of a tubelight and is it the simplest ckt of electrical engineering and also the component?

2389

What kind of preventive maintenance are there for transformer?

2275

71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit

1684

When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?

1272

we are having 110 Kv,250mA Electrostatic precipitators for coal fired boilers. what will be static voltage and current after discharge and what time it will remain before earthing?

1910

why we use single core 630mm2 cable for transformer secondary side

928

What is the necessary condition for stability.

1215

is it value of power factor is more than unit. whats effects in the source supply

2074

What are the differences between single phase and three phase?

2042

How to convert a two phase power into a three phase power in induction machine?

1814