when the motor was star position that is running ok but when
the motor was delta it was tripped? why?

Answer Posted / santosh kumar kishore

in delta connection motor takes more current and in star
position motor takes less current so either change
connection or increase relay setting.

Is This Answer Correct ?    2 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

difference between ac series and parallel circuit

1478


write a c++ code that receives an integer number and display the sum of the number and its revers integer?

1581


How to calculate the phase to phase clearness of HT /// LT bus bar?????

1603


WHAT IS AIR GAP VALUE IN MM FOR A 11KV BUSHING OF 11KV/440V DISTRIBUTION TRANSFORMER. AND AIR GAP VALUE OF 25 KV BUSHING OF AT TRANSFORMER OF 25 KV TRACTION. WHAT IS THE CALCULATION FOR THE AIR GAP PERMITTED FOR BUSHINGS AT DIFFERENT VOLTAGES.

3052


Keywords: Die, Card, Coin, B/N 2 To 12

815






how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating

1928


limitation of conductor height on ground when we consider EMC

1505


where we use the SFU & FSU?

1990


we are having 110 Kv,250mA Electrostatic precipitators for coal fired boilers. what will be static voltage and current after discharge and what time it will remain before earthing?

1481


Why we use 4-20 mA Analog signal for the PLC input? Why not 0-20 mA? Why not 5-25 mA?

2487


How Load Factor, Demand Factor, Diversity Factor etc best applied in designing an electrical circuit? Is it allowed to consider these factors in each and every panel in an electrical distribution system? Can any body suggest a good book for reference?

2468


What Is Connection APFC Panel In Compony.

946


how to determine motor size for a fan application?

1795


in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?

1813


How much current will a 5 HP delta connected motor at no load will take?Is tat need a starter

6739