Interested to Buy Any Domain ? << Click Here >> for more details...
how to select a breaker (MCB,MCCB,ELCB) for 18.5 kw, 3 ph.
480 v, 60 hz induction motor?
- 4 Answers
- 36284 Views
- I also Faced
- E-Mail Answers
Answer Posted / jayaraj
P=Sq rt 3VI pf
So I = 27.8 Amps. considering the staring current twice as full load current = 55A so 63 A MCCB required. Depends on the KA of the system 25KA or 50 KA MCCB can be selected.
| Is This Answer Correct ? | 13 Yes | 17 No |
Post New Answer View All Answers
What is the actual meaning of thermal power efficiency ?
The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.
what is an unbalance in acircuit? in a three phase 3wire circuit how an unbalance will come? in a three phase four wire system how an un balance is coming?
what purpose to use excaiter in DG.?
I am experienced with house and industrial wiring but I don't have any licence how can I apply an licence and which type of licence i can get i didn't complete deee just only experience
what will happen if the prime mover on the field excitation of the on-coming generator fails?Explain.
what is capacitor voltage transformer?? how it is different from potential transformer?
Can we use Ccapacitive voltage transformer directly for metering purpose?
why the electrolyte level in lead acid battery is maintained 2.5 cms above electrodes?
1)What is a Triode? What are its uses? 2) What is a Triac? 3) What is a Thyristor?
What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.
What are unstable systems?
is that any software calculator to calculate the size of cable
how can tell us the AC indoor or outdoor which Tr and formulls
how to copy from plc ge fanuc versamax series,all input and output, adress, and printout.
