if 20 hp motor starts directly stars and contenious run .
what will be the effect.
- 11 Answers
- 18011 Views
- HP, Ohsung Electronics, I also Faced
- E-Mail Answers
Answer Posted / umesh
whenever we starts the 20hp motor directly with the mains
then its winding will be burnt, because the motor winding
have less then 10ohms, whenever current flows though the
winding the current will be 5000A, then it will be burnt.
that's way we use the starters for safty.
| Is This Answer Correct ? | 2 Yes | 5 No |
Post New Answer View All Answers
Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors
What are the two segments of nyquist contour.
What is kvar?
I want to merge a cable..in between two metering Cubicals which contains CT's and PT's and Energy meter..before taking merger..what are the common things required?
In hydel power plants, L.A's, S.C's are placed inside the control panel boards. what is the purpose? [already the total body was earthed to ground.]
what are the things that can cause a three phase motor to crawl?
Define ampere
Whether the vacuum contactor requires Short circuit protection?If No,why?
Explain about 3 phase motor fault current calculation with examples?
quantizer means?
What is the settings of distance protection relay in 400 kv line
why zero sequence impedance measurement is not applicable for single phase GT
which motor have relatively high power factor and what is reason for have high pf? 1.capacitor run motor 2.shaded pole motor 3.capacitor start motor 4.split phase motor
why the voltage and current in a long transmission line are called travelling wave?
how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw
