DC Motors applications used in Lift/Elevators

8 Answers   IOCL, SCS, Usha Martin,

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What is the Gap Should maintain for HT cables crossing of LT Cable?

2 Answers  

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What is the function of Buchholz relay in transformer ?

1 Answers  

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What is the winding resistsnce need to be in a 1000kva, 11kv/415v transformer, between ht winding to lt winding, ht winding to earth, lt winding to earth.?

1 Answers   Trident,

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What would be the steps and parameters in case if a fault occurs in transmission line at a distance far from the generating station?

0 Answers  

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Why do we twist copper to make cable?

3 Answers   Bhel, Integrated, MR Cables,

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how to modify DOL control panel into Delta Y connection?

0 Answers   ABB, PDCS,

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why do some transmission towers have two insulators at one side and three insulators at the other side

2 Answers  

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What is the meter used to check the DG sound level.and pollution check

2 Answers  

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can we step up dc power using transformer?

15 Answers  

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why two wires are wound alternately to each other in single phase wires?

1 Answers  

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i am swathi, b.tech 4th year. In smps(switched mode power supply)we are using diodes,mosfets,igbts for controling of current. And my question is why we did not use thyristors(scr)? it is also act as a switch,then what is the drawback of scr as compared to above transisters> if we use the scr,then what is happening ? plz give reply as soon as possible bcoz i am doing project on smps. plz frnds i want ans for that. if anybody know the ans plz send to my e-mail id /swathi.tadakapally@gmail.com/

5 Answers   EEE, TCS,

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