Answer / nivas

pony motor

Answer / nazzeer

according the machine ratings different starters are used,

in general we use dol(direct on line
method)starter,star-delta transformer

Answer / gangadhar chowdary

dol starter can be used.

Answer / mallikarjuna reddy

to start the synchronous motor softstarter will be
used.because it is very reliable.

Answer / varun

First of all i think this question is objective
.......starter can be DOL direct on line or using auto
transformer

so both can be used.Apart from it all methods in first
answers r right.

Answer / suresh

genrally capacitors are used for starting of synchronous
motors . they are two types starting capacitor and running
capacitor . starting capacitor is for start of the motor ,
running capacitor is used for high power rating (in
necessary condition it is used )

Answer / krishna nag

using any of the DOL or autotransformer...

Answer / ramu

synchronising

how can you calculate the value of external resistance inserted in a slipring industion motor? (eg. 110 kw / 990 rpm/50Hz/stator v-415/stator Amp-195/Rotor V-440/Rotor amps- 151.)

6 Answers   Bosch, NMDC,

work of choke in florocent tube circuit ?

0 Answers   Bhel,

How to test lightning Arrester?

0 Answers  

-----------means a source which can supply a constant voltage to aload irrespective of the valu of load resistance.

2 Answers  

how to calculate the cable size

3 Answers  

what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?

0 Answers  

why we are using the 2 slope in differential relay?but in busbar differential we are using only one slope. what is the reason.

1 Answers  

If single phase having 220v so why 3phase is440v.

7 Answers   DLF,

what is numerical relay explain its operation

2 Answers   ABB,

What is RMU, and what it's function?

2 Answers  

How to calculate the cable size in sq. mm. when the load is given in KW?

3 Answers  

What is meant by sag?

0 Answers