how to check the insulation for motor using megger?
Answer Posted / k.prakashchandra
Megger between winding terminal and the body .The voltage of
the megger should much higher than the rated voltage of the
motor.For 230and 400 V motors 500V megger is to be used.
| Is This Answer Correct ? | 1 Yes | 3 No |
Post New Answer View All Answers
Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz
what is the interrelation between voltage current torgue speed and magnetic flux in case of different types of electric motors
Battery is a voltage source? give one example of current source and why?
what is conductor copnstant of ab cable
What is the significance of integral controller and derivative controller in a pid controller?
What is the difference between a verilog task and verilog function?
magnetizer priciple
What is PQA???Applications........
How could a garment factory benefit from renewable energy
What is the safety of UPS?
how can we say that stator magnetic field rotates with synchronous speed?can we derive?
A double circuit with dog conductor 66KV Transmission line from wind farm evacuation to feeding substation having capacity of 25MW for transmission. Can same transmission network be considered for further expansion of Power & how much in MW. If we need to expand next 10-15 MW more will there any augmentation is required in transmission network? Kindly reply asap.
for a 500 KVA connected load, I calculated 30% of capactor for power correction. Even after using 225 KVR capactor PF is not improving. What could be reason for low Phase correction factor?
what is differnce btwen lll and lllg faults
What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.