why transformer is giving some humming noise .....?
Answer Posted / siddesh cs
It mainly happens when inductive loads are connected to transformer. inductive load which will produce harmonics so t/c produce noise.
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
should %impedance be high or low in a power transformer? if so why?
i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?
why are u join ntpc
i need list of swg(standard wire guage) or area of conductor v/s current carrying capacity of conductor copper & alluminium...
2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?
what happens to the water pump if ground water level is slowly decreasing?our water pump is varying from no-load full-load due to this problem
What is PQA???Applications........
Iin ESP why positive is grounded ? why not negative ?
1.dg on load alarm/stop alarm... 2.dg on load. piu alarm alarm kaise chek krte hai
i have interview in Pepsi company what type of question will ask please send the question and answeer
why we r not earthed Control cable of C.T. terminals
what is 400kv doble circuit quadpole tower?
What do you mean by a voltage transformer?
What is called grain-oriented laminations?
A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.