Answer Posted / deepak verma

3 phase motor connected in stardelta connection because high value of current required to motor to attain its rated speed which is obtained by star delta....its increse the starting current by root 3 and reduce the voltage by root 3

How to check the Bushings of the transformer?

1798

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define hysteresis loss, eddy current loss and windage loss

1970

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1.What will be stored in online ups EPROM IC?

2034

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What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

2058

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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 ?

1592

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What is the loss of transformer of 220kv/11kv, 63/80 MVA and 18.05% impedance

1974

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What is thresh hold value of current?

2136

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How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?

2162

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Draw the equivalent circuit of crystal oscillator?

1312

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Which type of questions well asked. ?

1681

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In control room of our one plant there is a continuously the incoming power goes to PC is vary,means in stabilizer it continuously indicate from high input to low and low input to high. what is the reason and its solution.

1948

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what is meant by the phrase 'static load' in case of shorting in a generator excitation system?

2120

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Why is the air gap between the pole pieces and the armature kept very small?

1376

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what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator

2034

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How many types of interlocking use in screw type air compressor,make-Kaser(BSD MODEL)?

2094

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