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

What is the count of hvdc transmission lines in india?

615


What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?

1556


what is the differance between HT motors And LT MOTORS.

1520


If I bring a basic electric meter from the States and hook it up in Costa Rica in a development that has only one transformer for the 50 homes, will it still be accurate regarding the usage of kilowatt hours?

1480


Which power will flow first if we switch on a motor Active or Reactive? How?

4337






What are the advantages of speed control using thyristor?

635


I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.

1454


i m doing DEEE in part time,can i join regular cources in BE,,IF i join what the cources can i select like (civil,ece,IT) ,,kindly advice

1625


why constant voltage transformer should be start without load? and if started then what will happen?

1602


What are factors to be considered while we selecting the Core Balance Current Transformer for Earth fault protection

1419


Installation method of self treated earth electrode.

1461


PIU how does work?

1974


What are the advantages and disadvantages of open loop control system?

649


How can I calculate the Mega watts required to run a plant having many electric motors and other electrical components.

1648


What will be the current drawn by HT motor, if low voltage is applied.. any formula to calculate the LT amps of HT motor.?

993