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?

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what is saturation? what role it plays in operation of ct's,motors etc and how its affects the behaviour of the same.

1 Answers  

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what is the technical diffrences of mccb and acb

11 Answers   TransWorks,

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features of hbc fuses

0 Answers  

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in 33kv/11kv stepdown t/f why should we use Star point

2 Answers  

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What is the difference between relays and contactor construction wise?

0 Answers  

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A thermistor is a type of

1 Answers  

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What will happend if given Vfd out put to step up transformer

0 Answers  

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Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?

0 Answers  

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How the circuit breaker is selected for Induction motor of 100 kW, 415 volt, 0.85 power factor, 0.95 efficiency ?

0 Answers  

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why neutral busbar size is half of the phase busbar size in control panels

1 Answers   IBS,

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Show the schematic arrangement of diesel power station layout and give its principle of operation.

0 Answers  

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