3. What is Impedance Voltage in Transformer?
Answer Posted / ravi
Impedance voltage of a transformer is the voltage required
to
short circuit the secondary winding terminals of the
transformer and apply voltage gradually from zero at
primary winding.increase the voltage gradullay till the
full load current flows in the secondary.The voltage at
which full load current flows that voltage is the impedance
voltage of the transformer.This is required for short
circuit calculations.You can find on the transformer name
plate as Impedance voltage or percentage impedance.
| Is This Answer Correct ? | 287 Yes | 23 No |
Post New Answer View All Answers
hi friends ,iam working as genset AVR service engineer in electrical field from past 2 yrs throughout india . i plan to shift in some other job without travelling in same field because i con't travel,i dont know what i do for that so please guide me what job is suited for me,how i can serch the job please anybody helpme iam totally confused
how oti and wti connections are different from each other?
How to know of any cable size if there are not written on cabl?
How to calculate of maximum demand if given 628kw, 785kva, 0.8 p.f.
In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?
What are motor generator sets and explain the different ways the motor generator set can be used ?
What is meant by reset level of the relay?
Why 11kv to be generated in generation station
In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring
what are the things that can cause a three phase motor to crawl?
what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)
derive DC RMS value for half wave rectifier?
What are Contactors? How they works and what its highest rating?
How we can defined theecopper cable size if we know the aluminium cable size?
During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP