what is difference between 2 pole structure and 4 pole structure in transformer yard

6136

Why hydropower is called renewable source of energy?

1101

wheather the size of windings in motor and generator are the same

2054

How to check 11000/1.732 to 110/1.732 Potentila transformer (PT)?

2253

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

1695

Define non-touching loop.

1390

The D.C. spark test is applicable to single conductor cable & assemblies of insulated single conductor cables without insulation shield,metallic sheath or metalic armor?

1902

is there any current and voltage drop on liquid resistance starter water/soda tank ?

2041

What are the advantages of a three-phase system over a single-phase system?

1166

If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer

2766

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

1156

Explain (in simple ) - root mean square. whats its role in electrical fundamandal.where its used

2455

How Self works in DG set

2107

how unidirectional torque is produced in DC motor?

6834

delta motor winding resistance I take normally single winding is 2.5, which value is came delta connection ie RY ?

2048