What can make the the overloads operate when a star delta three phase motor starts?

1 Answers  

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C.S.R. and where are they use in electrical systems

1 Answers  

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ro plant grundfos bm30type pump.we start the pump using siemens 3rw 4423-1bc44, 30kw soft starter. bur its failier frequently. so we planed to change the dol starter. sp please tell me any budy its possible or not翿შ†

1 Answers  

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Hydro P.P. run @ 600 rpm,8pole, Nucler P.P @ 1500rpm 4 pole , ThermlP.P @ 3000 rpm 2 pole.Why this diffrence??? when we can generate electricity @ 600 rpm then Why we had incresed speed in NPP & TPP???

3 Answers  

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What is the calculating formula for HT and LT amps in a transformer.

22 Answers   Cipla, K-Electric,

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In which reason, one end of CT secondry get connected with Earthed? Normaly S1 of CT. Why????

1 Answers  

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How is a capacitor bank is designed ?

2 Answers   Asian Paints,

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what can i do, if i want to carrier in design as i am electrical engg?

3 Answers  

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Difference between low impedance and high impedance Restricted Earth Fault

0 Answers  

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i have a 4 Mva transformer 34.5 kv / 480-277 v and i used 2 parallel 3200 amp bus duct for the secondary feeder using 3 ply of bus bar ( 3/8" x 5" ) as a common where the flexible link terminated and 6300 amps breaker for the main, the lower bus duct reaches 70 degrees and the upper bus duct reaches 55 degrees when i used thermal scanner. why the temperature is not balance when the load reaches 3600 amps.

0 Answers   SCM,

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what is megar healthy value for ht &lt cables

2 Answers  

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(1) From the following option, which option is correct for largest size transformer.? a)1KVA,25Hz , b)1KVA,50HZ , c)1KVA,60Hz , d)1KVA,100Hz

5 Answers   Torrent Power,

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