Answer / manoj

the motor should have high starting torque to lift
which is offered by
DC SERIES MOTOR
THREE PHASE SLIP RING INDUCTION MOTOR

Answer / arya

DC Seies motor

Answer / ravi chandra

In the case of lift and flights they need high starting
torque...
so 3 phase slip ring induction motor will be used.

Answer / amir siddiqui

DC series motor should be used because for lifting purpose there is a requirement of high torque

Torque=1speed(N)

Answer / faiz ansari

double cage induction motor

What is the difference of grounding and earthing?

6 Answers  

How we can design a cable for a 3phase load.

1 Answers  

What is the possible cause for failure of lightning arrestors in outdoor substation under normal condition

0 Answers  

What is the % number of various buses in a typical power system?

2 Answers  

.php|

0 Answers   Bhel,

what ispositive, negative, zero sequence impedence?

0 Answers  

What is Harmonics & what are its efect & which harmonic is dangerous

5 Answers   IBM,

should %impedance be high or low in a power transformer? if so why?

0 Answers  

what is the meaning of trippe time of circuit breaker

1 Answers  

how to maintain standard votage in power system?

5 Answers  

Does frequency change with increasing voltage i.e 220v to 11kv? explain if not?

6 Answers  

why phase always came one direction in 5pin socket(right hand or left hand) which direction and why..........?

4 Answers   Alstom, L&T,