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

when the supply of MSEB is cut off & all the load of the industry is driven on generator at that time the capacitor which is connected in industry for power factor control is switched off why?

1 Answers  

Why do we use 36KV LAS for 33kv line and 9KV LAS for 11KV line?

1 Answers  

I did oil BDV test of 1600 KVA trafo 20KV/400V as per IEC 156. Result is 1) 58 KV 2) 58 KV 3)40 KV 4) 50 KV 5) 58 KV 6) 18 KV. Avr is 47 KV. Can we say oil is still ok even in the 6th test BDV is 18 KV ?

1 Answers  

how we can set the IDMT relay.

0 Answers   Suzlon,

what is the function of choke in tube

1 Answers  

Can anybody tell the formula to calculate temparature rise in the cable with respect to current?

1 Answers  

Can we see the poles in the motor?. if yes then how can we see plz tel me

2 Answers   MRF,

what is tpdt

4 Answers  

Will it be OK to connect a 5MVA 33/6.6kV Ynd11 Transformer to a Star connected Motor. Or on other words connecting a Delta to a Star. I have another 30MVA 33/11 Dyn11 and would it be practical to convert it to Dd0 consequently converting the Voltage Ratio to 33/6.35kV Dd0.

1 Answers  

what is the meaning of Ring Mean Unit in a substation or trasformer also tell me its oerpuse?

4 Answers   NPTC, NTPC,

will we have to design the UPS differently for both i.e. if we want to connect the two batteries in parallel and/or we want to connect the two batteries in series ?

4 Answers  

HOW VFD USED IN ENERGY SAVING

8 Answers   ITC Infotech,