Name the types of motors used in vacuum cleaners, phonographic appliances, vending machines,refrigerators, rolling mills, lathes, power factor improvement and cranes.

1111

What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

3776

What is d main advantage of using double circuit 3 phase transmission ?

1895

What will be the effect if I use inverter as UPS mood?

2160

hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.

1996

What is the difference between vector surge relay (78) and Pole slip relay (98G)

1168

What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?

2076

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

2111

How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point

1734

What are the roles and responsibilities of electrical engineer in cement plant

1992

how to estimate wiring ins roughing ins. and boxes

2349

how to calculate fuse rating for a motor

5576

If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

2169

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

1635

How to determine the breaking capacity such as break down current and break down voltage for VCB and CT's.

2145