Dear sir,how should i set the relay in star delta starter..say
ex i am having 4ohp motor,,wht should be the relay setting...?

Answer Posted / sk jangra

110% of full load Ex. 40 hp motor ovr set 44-45 Amp

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

why does the magnetic balance tests at transformer?

1418


How it can worked plc based electrical system And which type of software using.

1670


If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?

3957


in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients

1555


how to calculate fuse rating for a motor

4884






describe the constructional features of an auto transformer and its principle operation

1805


Power factor =1.000 at factory in supply. However, PF = 0.8 at motor end. Current = 100 Amp, Voltage = 400 V. What is the power distribution loss? Can I reduce it by adding capacitor at the load feeder?

1600


what is relation between ct and pt ratio with multiplication factor of a energy meter? is there any other factor on which multification factor depend?

1818


hi this is hema, r there any books in particular for the preparation of the APPSC-A.E.E(electrical), if so please mail me the names ... thank u .

1488


what is physical distance of isolator to VCB in 33/11kv sub stations

1690


what happen if the load connected to the induction motor is taken away? the same question for synchoronous generator in synch i think that the the exitation voltage will appear on the terminal only if so plz answer me

1538


Match the following a)(X'+Y') b)X'Y' C)XY 1)NAND 2)NOR 3)Carry

1417


prove that power consumed in 3 phase delta system is 3 times as compared to 3 phase star system

1723


How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?

1989


what is negative and zero impedance in 3 phase induction motor ??

1476