what is impedance of transformer?

Answer Posted / akash

impedance is total resistance offered by the circuit & in
transformer there is a leakage flux due to windings in air
expressed as leakage reactance and resistance drop in
windings so the vector addition gives impedance.

Is This Answer Correct ?    8 Yes 18 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

give me atleast four differences between circuit and network

1722


What is the practical way to calculate the cable size for known ampere load?

943


Hi Friend I am used multimeter to measure the voltage between R Phase(SS1) to R Phase(SS2). In SS1 is connected with UPS loads. But I am getting voltage between these 2 R Phases. Please give some idea friend

1512


why h parameter are called as hybrid parameter?

1547


what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.

1658






for opening electrical shop, tips needed.

1391


Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?

648


Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)

1506


To prove the capacity of a 10MVA transforemr with 6.5% impedance by a short circuit test how much power is needed to inject an impedance voltage if we have to arrive for its rated current?

1446


why the making current is more than then the breaking current and if its true then its about a controling circuit or breaker power contact points

1617


our industries ht line so power fluctation(once drop of power please rectify causes

1668


For a three phase induction motor, what will be the effect on motor if the neutral of the system is shifted to say 20 deg.?

1406


how to get electrical supervisour certificate in gujarat

1532


what are the Alarm, Trip & Safety equipment (Issues) present in Power Transformers pls Mail it to ashokbabunhce@gmail.com

1454


A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?

1888