I have two power supply.a)govt. power b)Captive power.3 phase load connected i

I have two power supply.a)govt. power b)Captive power.3
phase load connected inside factory.when source change govt.
source to captive some motor rotate reverse. Is phase
sequence changes when if off & on?If I off generator & on it
again is it possible to get changed phase sequence??

Question Posted / wasim

4 Answers
5280 Views
ABB, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

I have two power supply.a)govt. power b)Captive power.3 phase load connected inside factory.when s..

Answer / k.prakashchandra

The phase sequence does not change if you switch on and off
the captive power. Interchange two leads of the captive power.

Is This Answer Correct ?

4 Yes

0 No

I have two power supply.a)govt. power b)Captive power.3 phase load connected inside factory.when s..

Answer / raj

yes its possibility to change phase sequence

Is This Answer Correct ?

0 Yes

0 No

I have two power supply.a)govt. power b)Captive power.3 phase load connected inside factory.when s..

Answer / ganesh.a

no phase change will accur if u turn it off nad on again.check
the polarity of captive power

Is This Answer Correct ?

0 Yes

0 No

I have two power supply.a)govt. power b)Captive power.3 phase load connected inside factory.when s..

Answer / ali raza

yas u can change the phase sequence from main supply any one (govt. or captive) then your motor rotate in one direction at both supply in our plant also same condetion happend then we change the phase sequencein generator terminal

Is This Answer Correct ?

0 Yes

1 No

Post New Answer

More Electrical Engineering Interview Questions

Why there is restriction to generated voltage to certain limit for example (now 18kv) ?

3 Answers College School Exams Tests,

hi sir i have load of 17.5kw in 3 phase lighting circuit which mcb i can use

3 Answers

In EHV tranm. The conductors are …….. a) Cu roads b) Cu bars with Si c) Cu tube with Si plate

2 Answers Engineers India Limited,

how can i use REF and diffrencial relay both in 1 CT core for transformer protection?

0 Answers

If symmetrical fault occurs at the terminal of a synchronous motor then how the motor will act...explain it..

0 Answers Bhel,

what's the difference between 'shaft power demand' and 'BHP' , when we consider electrical load list.

0 Answers HEC,

why we can not use dc in our country( INDIA)

5 Answers

DC Motors applications used in Lift/Elevators

8 Answers IOCL, SCS, Usha Martin,

what is skin effect and why is it absent in DC systems

4 Answers

how to decide the capacity of accl

0 Answers

Hi, We facing one similar problem in our computers i.e we are newly constructed our design department after that shifted our computers but our computer desktop screen is vibrating. we are conducted our electrical maintainance person he told that is UPS problem, then we changed the UPS also again we are facing that problem in that room only. then we put lcd monitors that problem is solved. But in other monitors why the computer desktop screen is vibrating please give a suggestion to me. Regards, Raju.N.G

10 Answers

how copper and aluminium wires or cables are choose for current rating? please provide copper and aluminium wire selection chart for different current rating ?

0 Answers

For more Electrical Engineering Interview Questions Click Here