Answer Posted / prashant dave
iF WE USE COPPER BUS BAR
IN COPPER BUSBAR CURRENT PASSES IN 1 SQ. MM= 0.8A
SO IF IN 630A WE HAVE TO USE 85MM X 10MM X 3 FOR 3 PHASE
AND WE HAVE TO USE 85MM X 5MM X 1 FOR NEUTRAL BUSBAR.
| Is This Answer Correct ? | 5 Yes | 2 No |
Post New Answer View All Answers
what is the sludge current
Can we use shunt trip coil instead of trip coil with protection relay for protection?
What is slip in an induction motor?
what is the difference between earthing and unearth
A commercial Building is designed with 14th floor levels with indoor substation of three phase transformer with rated capacity of 1000 Kva.The transformer delivered 65% of its rated capacity at 0.67 power factor lagging.Because of low power factor, the power customer was penalized and certain cost was charged accordingly based on every point percentage lower than 85%.This situation may repeatedly happen on the succeding energy bills of power customer.The power customer is desired to improve its historical power factor of 0.67 lagging and no further penalty be impose by the local power company on the next bill. Q: Identify the appropriate solution you want to offer to Client?.Justify SCIENTIFICALLY and MATHEMATICALLY the principles behind the solution.
I have done my m.tech in electrical engg discipline. Can any one please suggest me how should I prepare for getting into phd in iit or nit.How should I prepare for getting into lecturership
Why neutral point is consider as zero potential?
What is reverse power relay?
how to compare with Relay settings for HT< panels, RMU panel, and PSS CSS transformer?? 1) Load amps, 2)Tripping time, 3) CT ratio, 4)Cable size 5) Transformer KVA rating 6) transformer full load amps
What are root loci?
what is the function of choke in the flourcent tube lights and why the colour is in white mostly in flourcent tube lights
how ct burden,magnetising current,ratio and knee point voltage are related & derived
What is the formula formula for Busbar sizing and what are the things to be consider for Busbar Calculation?
Dear sir my name Ankit i m Diploma holder present working in Welspun Corp ltd Anjar as Asst.engg (salary 14400/month ctc) i Would like to change my company also i have selected in ford India pvt ltd Sanand as trainee Tech with salary 12000/month so please suggest me for changing my job hope for *ve response
what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated
