Answer Posted / gunasekaran

this is important for parallel operation vector group should
be same another one is vector group is changed polarity of
the transformer also change it YNyn0 become YNyn6 if it is
changed

what are types of encoder

1862

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What is dynamo function in DG sets and draw block diagram?

2029

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What is an iron loss or core loss pi?

1091

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if a number of plc s are there then how many modbus to be used

1953

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An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm

2271

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what is meant by moulded case circuit breaker ?

2173

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how to calculate energy of 3-phase motor?

2059

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Why an ac solenoid valve attract the plunger even though we interchanges the terminal? Will the poles changes?

1199

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What is a parabolic signal?

1151

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describe the constructional features of an auto transformer and its principle operation

2350

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Sir pl provide 5 year sample paper for post junior engineer(electrical).I have currently applied for junior engineer (electrical) on RRB Ajmer

3621

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Define active and passive network?

1137

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What are the necessary components of the feedback control system?

1209

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what is 400kv doble circuit quadpole tower?

1937

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what is the circutor?why we use it ?

2317

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