IR value for 30kw lt motor

Answer Posted / guest

INSULATION RESISTENCE = kilo volts + 1
Example:
voltage = 415V

acceptable I.R. value of the motor = 0.415+1
= 1.415 M ohms

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

State and define ohm’s law?

687


Define rise time.

629


why we need to us lenz's law for synchornous motor

2091


what is control supply rating of a machine

1508


Hi,iam a diploma in electrical engineering.rtd from indian air force in apr 2007.prsently working in reliance next link as a network maintenance engineer since 2007,can i get a job in motherson sumi.

1920






Can any body tell me the different types of LT cables & their application.

1641


why do we use spark detector inside the slip ring brush compartment 0ona slip ring induction motor?

1644


I meggared my 2c*70 sq mm AL AR XLPE cable. its one end show 50 M ohm . is my cable is safe for laying. I have only one phase and neutral.

1361


what is buffer resistance starter.?.What is the working principle and where it is used..?

1576


how is positive, negative, zero sequence is happen.. how is effect on 3 phase system

1304


what is the role of energy meter in distribution system ?

689


What is cathode ray oscilloscope (cro)?

686


If a transformer primary winding operates at 240v, the secondary at 120v and the load is 1500w & the transformer is rated at 92% efficient, what's the current flowing through the primary winding of the transformer? What is the formula for finding this?

1749


i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me

1683


how to calculte capacitor range for single phase induction motors??pls tel

1634