What is the main application of DUMMY COIL in machines?
Answer Posted / vikas sharma
Bring mechanical balance of the armature..
Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?
explain me the relation between torque, frequency,speed,voltage and current in the 3 phase induction motor?
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.
mccb service sittings be done?
Is any generator is developed which is operated with out diesal or other expensive source?
how we can calculate 2 phase welding transformer rating or total power?
Define ampere
Working of microwave oven?
How many types of faults are there in 3 phase power system?
what is the working principle of energy saver control panel. please give the complete calculation & theory.
how we explain parallel paths armature winding?
What are root loci?
How to calculate ant test the burden of Current transformer
What is the significance of integral controller and derivative controller in a pid controller?
what are inherent currents?