Answer Posted / umesh kansara

Following factors are considered during the synchronization.
1)Frequency should be same
2)Phase angle should be same
3)Voltage level should be same
4)Impedence should be same
5)RPM should be same

what are the main applications of transistor in non-linear region?

2114

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A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.

2561

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When we need up only in o/p 440v, so why we use directly in 11kva in input?

1751

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As per standard, transformer body earthing and other Equipment earthing (Equipment earthing) did not connect. but in LT side termination we are doing metal glanding in both side Transformer to PCC Panel through armoured cable, now X'mer body earthing and PCC Pane earthing (Equipment earthing) both are connect.is this safe for X'mer or other equipment?

1817

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Difference between a pilot wire and a normal conductor?

2089

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Which material is used for the core of a transformer and why?

1162

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clarify types of motor operated valves and advantages

1955

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defination of transistor controlled series capacitor

2684

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please tell me how a surge protector work on a DC 48Volt.? please describe briefly.

1907

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how does the thyistor work in dc drive?

2033

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please anybody help me to find out the BHEL trainee Exam previous year questions papers . if u ve pls. send it to surekhared@gmail.com

2020

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iam working in power plant. In hot places tube lights are glowing at the end portion only. what is the reason for that?

1979

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State superposition theorem?

1204

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the winding of Generator and Motor is star or in delta ? and why

1157

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what is the difference between general inverter and solor inverter clerly explain plz

2155

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