what is the rating of Insulation tester for measure 15 KW, 3
phase 415V 50 HZ induction motor?

Answer Posted / kj

500 volts

For LV it is usually 2 times the phase to earth voltage

Is This Answer Correct ?    11 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the function of bearing in dc mchine" and where it is placed

2066


what is sevice settings for mccb?How can be it setted?

1473


what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

1960


What will happen if we introduce negative feedback to a control system that uses a positive feedback?

668


What is Delta Connection? What is meant by Forward Delta & Reverse Delta & How Will be the Connection in Power Transformers?

1799






Dear all, how we select the cable size according  to current with or without including different correction factor , is there any direct method for sizing of cable... 

1696


why we are using Load factor?

1358


what are the factors to be considered while design the breaker either HT or LT??

1398


1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

1799


A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?

1493


What is a feedback in control system?

743


We are planning to synchronized DG's with our captive plant in the event of black start of plant, but before sync we checked voltage of DG with our plant voltage and it varies from 5 V to 450 V. So in this condition how we can sync DG with plant ?

1083


in india per day how much power is generated including all power station

1450


What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

1275


lenz law application and define

2210