what is advantage of using star to delta in place of dol
starter
Answer Posted / pillay
clear advantage is you will have a smoother starting and
reduced starting current.It can be beneficial mechanicaly
also for example the dol stared belt driven fan will have
more belt wear and tears compared with star delta connected
starters.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0
how will we calculate the copper wire load..
Dear all, how we select the cable size according to current with or without including different correction factor , is there any direct method for sizing of cable...
what is the pre charge circuit,what will be work which function it will be use plz tell me
ROC converges if pole and zero lies inside a) origin b) z=1 c) pole d) zero ? Explanation please? if ROC does not converges then?
transformer spections :: input voltage 0-110-230v; output volage 0-10-12-14v; amp=3A using CRNO CORE, capcaity=50VA primary turns = ? ; secondry turns =?
What is the size of a 60 watt and 80 watt tubelight?
what is load vs Torque curve & why it is used?
what are types of encoder
what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)
whats the existence of reactive power and when it arises?
how ct burden,magnetising current,ratio and knee point voltage are related & derived
What are the significant parts of dc generator?
define displacement & magnitude ?
If symmetrical fault occurs at the terminal of a synchronous motor then how the motor will act...explain it..