3 ph motor connected in star delta starter. when we start
the motor it run in star but when in is going in delta it
trips the main incoming supply. why?
Answer Posted / rajesh kumar sharma
Two conterctor hold on star running time after some time a conteractor whose shrt three terminals has unhold and delta conteractor is hold it change only one sccond time.
if the timer switch is not working than creat a problam.
| Is This Answer Correct ? | 2 Yes | 2 No |
Post New Answer View All Answers
what is the use of the puls transformer in UPS & how it works???????????
why we r not earthed Control cable of C.T. terminals
How eddy current generation support the idea of train braking?
state working of halogen lamp?
what is servo motor and how it works?
why in a swquence network representation, the negetive sequence generated voltage is taken as zero?
I need HT sphere gap calibration table. Can any body help me.
The size and construction of bushings in a transformer depend upon?
A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.
from generating station If 400v LT line length is 1000m how much voltage is drop and how do i calculate it? which cable will be use for this line?
Hi.. I am a BE GRaduate in E&E. I have 8.5 Experience in Tendering & Estimation field. I have done SAP SD course few years back. But due to some reason i failed to get job in that field and continued my own field. Now I am thinking of changing into SAP seriously. How should i go ahead???
what purose of the double circuit transmission line phase of the line phase changed for circuit-1 for Circuit-2 R-Y-B B-Y-R
What type interview questions ask in Electrical technicians
What are the different circuits in thermal power plant?
In a carnot engine with an efficiency of 40%, the heat rejected to the sink at 27 C is 60 kJ, then the heat supplied in kJ to the engine by the sources is