WHY WE NEED NEUTRAL FOR 3PH 400 OR 415 VOLTS POWER SUPPLY (4
WIRE SOURCE).
Answer Posted / manikandan
in 3ph 415 vac 4wire system the neutral used for 1ph electrical equipment power supply. i.e. nominal voltage 230V 1 ph can be obtained between any one phase and the neutral.
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
what is reverse power relay brief explanation and in b/w where it is connected
Why squirrel cage motor can only use with low starting loads ?
what is sevice settings for mccb?How can be it setted?
Hi I'm doing my MBA(3rd semester).I applied for the post of ET conducted by BHEL the last year.I cleared the written and lost in personal interview.Again I wrote the exam this time and cleared the written n yet to take the personal interview.Shall I disclose in the interview about my studies.What shall i say if they ask about my change from studies to job
what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)
what is the difference between general inverter and solor inverter clerly explain plz
trasnfarmaer core make
need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.
what is the safety points of vaccum circuit breaker.
Define ohm’s law for a.c (alternating current)?
how we decide scurt (disc) of insulator with respect to kv rating
WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?
What is DTR erection?
WHAT IS THE FUNCTION OF SHORT CIRCUIT MAINTENANCE CT
tell me about roaster switch .& what is the function in transmission & distribution?