Answer Posted / pillay

clear advantage is you will have a smoother starting and
reduced starting current.It can be beneficial mechanicaly
also for example the dol stared belt driven fan will have
more belt wear and tears compared with star delta connected
starters.

What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.

1667

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Graphs of measuring power and speed on dc motor

1963

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What are the basic properties of signal flow graph?

1215

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what are the things that can cause a three phase motor to crawl?

3568

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What are all present producing cost of Per KWH of various Fuel?

2605

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how to calculate kvar in Akiva

1939

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What is difference between start imitation and start interlock for 3 phase motor protection ?

2250

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mention hazard experienced during installation

1979

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In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?

2270

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I meggared my 2c*70 sq mm AL AR XLPE cable. its one end show 50 M ohm . is my cable is safe for laying. I have only one phase and neutral.

1883

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What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.

2315

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What is the general power consumption rating of CPU CRT type and Flat type, Monitor,Printer, projector, Scanner?

1899

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what are the accessories need to be added while doing estimation for the following: 1.MCCB 2.MCB 3.ACB

2099

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If we need 4c× 50mm sq cable but it's not available so we can pull 4c×25mm sq two cables?

1416

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kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased

2662

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