What is mean by retrofitting of machine tool please brief.
Answer Posted / kiran
if any machine tool is inefficient to work or consuming more
power,change it with energy efficient and economic tool in
technical aspects is known as retrofitting..........
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is the size of a 60 watt and 80 watt tubelight?
If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?
How does a transformer contribute towards the widespread popularity of ac system over dc?
in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?
Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,
draw the full wave and half wave circuit of 3 phase system and inverter circuit used in upsĀ
Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.
Why derating factor os applied on Cables?
What should be current in the Primary and secondary side of 1000KVA (11KV Supply)Transformer.?
how many electricity poles are there and what are the names and their sizes.
Rules and standards of electrical control wiring ?
how does directional relay work incase of ac ?
A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.
how to find three phase complex power in per unit and MVA?
How 3 phase invertor works?