HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL

HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS
TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM ,
6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP
AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450
TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO
WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT
HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH
PROBLEM WITH FEW LT MOTOR ALSO.

Question Posted / alpesh chauhan

0 Answers
1906 Views
I also Faced
E-Mail Answers

No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More Electrical Engineering Interview Questions

only three phases are coming in step down tranformers.how to get neutral?

5 Answers

If Dg set load increase 25%, How much increase fuel Consumption (15 kva 2 cylinder DG set)

0 Answers TATA,

why star connected transformers used in tneb?

1 Answers

WHY WE NEED AUTO TRANSFORMER,WHERE WE CAN USE?

5 Answers L&T,

wat s the difference between diode and capacitor

20 Answers TCS,

i applied for the ap transco please forward the freqventley asked QA

0 Answers

what is difference between earhing and neutral

2 Answers

I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

0 Answers RRB,

battery dis charge condition long time condtion?

1 Answers

What is the significance of 3.5 core cable ????

8 Answers Intelux Electronics,

What type of DC motor would you see for a lift?

0 Answers Ericsson,

WAHAT IS ELECTRICITY

5 Answers Vijai Electricals,

For more Electrical Engineering Interview Questions Click Here