How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

1637

i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.

1885

Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?

1116

how balanced in star delta connection ?

2050

The screw thread commonly used for transmission of motion is one of the following types of threads

1110

If i have two 3000 kW motors and the whole facility requires a 10 MVA transformer. What would be better installing two 5 MVA transformers(one for 1 motor ) or just a single 10 MVA transformer for both of them. Give reasons for your answer.

5988

Why using synchronising methed in DG's sets?

2166

what is the mechanical safety of DG ?

2111

can we install HT panel & LT panel side by side or how much clearance is required ?

1548

Differentiate between kirchhoff’s first law and kirchhoff’s second law?

1016

Control cables in S's will carry 1000v which is AC R DC? Pls answer me 

2115

What does the term power factor shows?

1062

How can we measure earthing resistance test (Earth meggar) of Transformer neutral pit while in live condition?.

2084

Can anybody please refer the best and simple book for about Protection relays and in detail of all its protection ?

1945

How can I known multiplying factor .without multiplying table

1753