in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

1854

how can we say that stator magnetic field rotates with synchronous speed?can we derive?

1770

State thevenintheorem?

1055

What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?

1094

Explain the advantages and disadvantages of thermal power plant?

1097

what is the mechanical safety of DG ?

2173

How much pf maintan in dg set in 6o% load,when Dg runnig Neutaal Earthing removed what happen.

1971

I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.

1993

How to reduce -234126219.6403 MVAr generation and by what?

1629

What is the main purpose of c.f.b.c.boiler

1716

In a synchronous motor. if start is running at high speed.  What will be the starting torque : Higher Lower Zero

1721

What products have you designed which have entered high volume production?

2061

hi, in the event earth grounding is not available in a project, is there any other way to make the elcb work? fyi, i have an instant water heater (6.5kw) installed, however if there is grounding in the heating element inside the heater assembly, i will get grounded. thank you in advance to those who will answer my question.

1988

what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)

2156

standard earthing rating for power line..

2127