IF we have three 30KW motor, these motors are connected in
DOL, star-delta and VFD respectively, what will be the fuse
rating for the above three?

Answer Posted / sanduri ramesh babu

3-phase 30kw means 40.21Hp, so rated current is 60amps. We
can use 60amp rating.

Is This Answer Correct ?    0 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

12.5 tons a/c is their how much kva generator can recommend to the customer.

1483


what happens when series resonance occurs?

1388


how to calculate the Neutral transformer impedance?

1826


Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?

1645


What is dc current source?

729






What is the difference between electronic regulator and ordinary electrical rheostat regulator for fans?

648


When we need up only in o/p 440v, so why we use directly in 11kva in input?

1274


I have 2 KW electric water heater.I am gonna use it in controlling water temp.so I needed to increase or decrease the heating capacity.is there any electrical-electronic circuit for varying the resistance & so current?

2575


Define noise?

714


How to calculate that clean water supply in one Day from 150 KLD STP?

1557


how to flameproof electrical motor on the shaft?

1530


What is the differentional relay...what is the work of this in power Tx. how it is works..

1445


hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?

1621


what is the use of vcb & isolator in substation?

1886


"TRANSFORMER MODELING AND ANALYSIS" MEANS WHAT AND WHICH TOPICS U READ IN THIS

1414