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

why secondary of transformer always grouded?

1 Answers   IIUC, Sodexo,

Why we are getting low voltage in star connection?

2 Answers  

why surge protectetor work explain with the help of circut diagram?

0 Answers  

given data are load current & power factor cable core size? plz any one update the calculation formula

0 Answers  

why control circuit voltage always chooses to be 110v and 220v? and in where it is 110v and 220v? and in where it AC and DC?

2 Answers  

If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??

0 Answers   Jindal,

Radio Carbon dating is used in a) find diseases b) find the age of relics c) find the carbon content in the atmosphere d) none of these

2 Answers  

how to calculate the neautral earthing conductor size for a 500kva dg set.

2 Answers  

what is difference between ac1 and ac3 contactor and why it is needed to be selected?

1 Answers  

The DC current waveform is - . What about the fire alarm waveform?

1 Answers  

Why induction motor is widely used in industry

0 Answers   BARC, Honda,

Why are iron cores in transformers made laminated?

0 Answers