Interested to Buy Any Domain ? << Click Here >> for more details...
Dear sir,We have a 7.5hp motor,it was running smoothly and
suddenly one winding is carring more current then
others(r=6.5,y=6.3,b=10)..whts wrong with tis...?
- 5 Answers
- 8396 Views
- Hindustan Motors, I also Faced
- E-Mail Answers
Answer Posted / g. ramesh
one cole insulation faild. while motor running insulation
failed due to motor prodce low temprature. when motor comes
to stop then col is normall resistens
so this cause motor to be rewinding
| Is This Answer Correct ? | 1 Yes | 3 No |
Post New Answer View All Answers
What happened ,If 3 phase clearance not maintained in 33KV Line,11KV LIne etc?
what is the carona effects meaning in HT line transmmission system
how we calculate the withstansing current capacity of wires&cables?
A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.
1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor
What is kvar?
where can the transformer having vector group Yny0 be used??
why the carbon brushes are broken in srim while the motor runningtime
is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details
Why is back emf used for a DC motor? Highlight its significance.
can we do the star delta connection of capacitor for 3- phase motor starter.
I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com
What is the resonant peak?
I WANT TO know WHICH WAY IS BETTER FOR CONNECTION BETWEEN POWER TRANSFORMER AND MAIN DISTRIBUTION PANEL. 1-IS BETTER WE USE CABLE? 2-IS BETTER WE USE BUS DUCT? my transformer rate power is 2500KVA
temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%
