Interested to Buy Any Domain ? << Click Here >> for more details...
WHY SECONDARY OF CT SHOULD NEVER BE KEPT OPEN CIRCUITED?
- 7 Answers
- 14002 Views
- I also Faced
- E-Mail Answers
Answer Posted / ghanshyam singh
it ceases the back emf produced by the secondary of ct
this led to heavy inrush of current through primary as
there is no opposing emf
this may harm the person performing the experiment
| Is This Answer Correct ? | 3 Yes | 10 No |
Post New Answer View All Answers
any one guide me to reduce the power factor of diesel Generator from 0.97 Leg to 0.8 Leg.with out any change in my load.
Do you know what is dry-out test in x'mer
when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?
describe the phenomena of vacuum interruption in C.B
Define cut-off rate?
what are the preventive maintanance actions taken for air circuit breaker? please answer me
sir pls tell me . our ct specifications are 120/5 ,2 core , 0.2 and 5p10 class , 30va and 30va buden. insted of 30 va i want use 15 va. can i use?
how to get electrical supervisour certificate in gujarat
i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula
What are the roles and responsibilities of electrical engineer in cement plant
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.
Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m
State kirchoff current law?
why the rotor current becomes in steady state during high slip region? please verify with equations.
When a single pase capacitor run motor- run on 230vac and Case(1)run with 8 Mfd 250 vac.capacitor , Case( 2) run with 8 Mfd 400vac capacitor. What is difference between both case regarding power ,efficiency etc?
