What is delta stare switch?



What is delta stare switch?..

Answer / s raghavendra

for different types of applications different kinds of switches are required . for starting of induction motors especially 3-phase squerriel cage induction motors at start it consumes more current to stop that we keep the switch in star position and after it attains 70-80percent of rated speed switch is kept in delta mode as already backemf will be generated which reduces currrent and like this there are many applications......................................

Is This Answer Correct ?    2 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

what is an invertor A.C.?

1 Answers   Ami Tech, Shubham,


How the soft starter control the starting current in three phase squirrel cage AC Motor?

1 Answers  


What is the height of DA, DAL, DB, DC & DDE tower?

0 Answers  


what is phase to phase to phase to ground fault

1 Answers  


What is gain margin?

0 Answers  






if voltage bt phase & nutral is 38v in a panel board . whats the root cause.

0 Answers  


how percentage impedence effect on the size of the power transformer?

2 Answers   Bhel,


what is difference between ELCB, RCBO & MCB

2 Answers  


How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

0 Answers  


How does a battary stores charge in it? please explain in simple manner and in detail.thanks

0 Answers  


2. What are the parameters of EHT sub-station?

1 Answers   APGenco, Blue Star, Enercon,


wat is syncronization . wat parameter will take for syncronization.

2 Answers   IIT,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)