Answer Posted / shruti mistry

Cogging
When no.of slots of rotor and stator are equal , then a magnetic interlocking takes place and motor does not start. lt occurs during starting of motor.

Crawling
In this phenomenon motor starts to run stably at speed lower than the rated speed due to presence of harmonics. It occurs during running of motor.

what will happen if multimeter(selector switch at DC voltage) and terminal at current is connected to DC supply?

1934

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ult of expression 'document.FrmQF.myem

2040

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Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?

2836

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battery capacity use of made?

2505

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how many synchronous motor are there in any power plant

1945

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How cmd is calculated in case of energy neters

1852

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Define filter?

1072

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What is the meaning of 40X8X2 busbar dimensions for carring load of 400 Amps

1965

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Direction of flow of active power and reactive power with logic?

1723

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The electrical energy required to raise the tempreture of a given amount water is 200 kwh. If the heat losses are 20%, the energy required is?

1969

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What if the difference beween internal and exrteranal LBB?

1637

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how we calculate the withstansing current capacity of wires&cables?

1979

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what can be the causes of capacitor start motor having a higher current that its actual

1935

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What is the basic rule for block diagram reduction technique?

1210

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Which device is used for the source of emission of electrons in a crt?

1229

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