why neutral and earth should not be connected on 3 phase
440v/50c/s supply at consumer side. where as on
25kv/ac/50c/s railway traction substation neutral and earth
will be connected and track at substation. and track will
act as neutral and earth. Reasons for this is needed
urgently
Answer Posted / shivababa_1812
electrical engineering
| Is This Answer Correct ? | 1 Yes | 12 No |
Post New Answer View All Answers
Do you know what is dry-out test in x'mer
Is there any standard guidelines/Criteria to design NGR/NGT.?
Why have to use copper cable for local isolator to motor ?
How vfd saving power.
what happens to the supply voltage if there is any change in frequency?
In ACS 1000 drive we are using 12 pulse converter,why don't use 3 pulse converter.
how balanced in star delta connection ?
why a tester wont shock while testing the power in house
what topics we have to concentrate for power grid et.written test.and tell what to read for english synonyms and antonyms.
size of condotory fron voltage level
What is the disadvantage in proportional controller?
what is the working process of over & under voltage relay.
Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method
How do i perform grounding of star point of Genset (400V) for making connection with step up transformer of DELTA-DELTA (400V to 20KV) ? while Genset itself has its own neutral and grounding bus bar inside genset breaker box whereas we have another neutral and grounding busbar in synchronizing panel next to genset at maximum distance of 6meter, would someone pls advice if we can only perform neutral grounding in synchronizing panel or should we ground neutral on both places inside genset breaker box and synchronizing panel.
What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?