Answer Posted / ed

Across the line Starter.
with time delay relay or current sensing relay or
speed monitor relay to
energize the field when the motor is close to
synchronous speed

For above 600 volt motors, a Circuit Breaker can be
used instead of a starter.

how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.

1492

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how to calculate regulation constants for over head lines? and what are the regulation constant for raccoon conductor at different voltage level and different P.F?

1461

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I completed iti in2004 I was worked in A grade contractor can I get c licence

1252

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How Can you do Maintenance of ACB of 2000Amperes

1640

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What is domestic transformer? Draw the connection of domestic transformer.

1850

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if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?

1525

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what are symmetrical and non symmetrical components in electrical installation.

1606

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hai iam arunkumar. i have applied for an section enginner in rrb. i want lat 5 years solved question papers. if u have please sedn it to arun30682@gmail.com

1309

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What are the advantages of autotransformer?

760

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How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.

2328

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what is package substation.how many types they have

1675

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Explain cos(theta) and Sin(theta)

1628

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WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?

1486

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Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?

1354

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Why synchronous motor is used in power factor improvement,dc series in lift

1187

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