Answer / a.p.nanjappa

150kw , 440 is a large motr. the starting current of this
induction motor will be 5-8 times depend on drive ex-fan.
and coast for 6-8s to attain full speed.
so, the new contactor shall be good quality , with
overload,instantaneous with time delay shall be selected.
Reverse rotation protection, vibrations,
Unbalnced current protection optional.
LV power cable terminal box cable connection and support.

one kva is equal to how much amps?

14 Answers  

---

what sis the testing procedure of transformer and ht panel?

1 Answers  

---

Define norton equivalent circuit?

0 Answers  

---

pf of synchronius motor is unity, is it axact(=one) value. ?

1 Answers  

---

why anti pumping relay is not given to tripping coil of the breaker? why only to closing coil?

2 Answers   INEL, Siemens,

---

what is the power factor

13 Answers   Heidelberge Cement,

---

Hello seniors m an engineering student in 3rd yr..i want to know what are the software course in electrical field?i wanted to do certification course but i dont know much about the course?..Regards

0 Answers  

---

why ct secondary side shortlink provided? its open what will happen?while running ?

2 Answers   Essar,

---

why ht line fuse wire is so thin

7 Answers   DLF,

---

what is the formula for calculating motor rating? Example: If we want to rotate a 1000 kg waight disc up to 100 RPM, which size motor will require?

1 Answers  

---

in our sub station why we step down firstly 33kv\11kv then 11kv to 430v. can we direct step down 33v to 430.v.

18 Answers   Eaton, Siemens,

---

Convert a star connected network into a delta connected network.

0 Answers   Syntel, Visa,

---