Answer / ajay

It's depend upon on your motor application. If it is blower
motor or fan motor timing is different than pump
application motor. So you have to refer motor technical
data sheet and find motor starting time (i.e:in what time
motor current goes normal).Accordingly set the star-delta
timer.

what is the effect of power factor to (a) voltage (b) transformers (c) generators (d)transmission lines

4 Answers  

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How dia computation perfomed in cold rolling mills .

0 Answers  

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When we use 3 terminal resistor?

0 Answers  

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What is the magnetic field (coil DC ) of Turbo Expander?

0 Answers   TATA,

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How conventional fire alarm system works?

1 Answers  

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How do you protect your appliances from harm in case of neutral failure in a three phase power supply set up.

4 Answers  

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hi i have applied for lic of india south cenrtal zonal ,hyd. i didnt get hall ticket till now.let me know how can i get form internet

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I am working in 600MW power plant currently in erection phase. I came along this term and want to know its meaning in simple language, consider me naive!?? All motors shall be of energy efficient type EFF-2 as per IS:12615/ equivalent IEC / International Standard.

1 Answers   Punj Lloyd Ltd,

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what is load flow?

2 Answers  

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in 50 mw generator if field is open in full load running condition what happen and for protection which relay used?

5 Answers   century,

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if we going for high voltage usages what are the considering factors, why those factors are effected.... please give me an answer related motor factors like wnidnig, frame, temp etc

1 Answers   ABB,

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what are advantage and disadvantage of zener diode?

2 Answers   Infosys,

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