Answer / vishv shah

sry...for that wrong ans.......for
low voltage(1 phase - 230 volt)
operation! IM needs some mechanical
machine to start the motor but while
in high voltage(3 phase - 440 volt)
their is no any requirement like in
low voltage.....so........because
in high voltage rmf is generate to
start the motor

Answer / vishv shah

as u know that IM run only because
of rmf .....rmf is produce because
of 120degree phase difference
between r;y;b......in 1phase i.e at
230volt no rmf is generate so.....!
IM can't run.......

How much load can be taken for chiller from 1500 kva transformer

0 Answers  

---

what is draiv work

0 Answers  

---

in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

0 Answers  

---

What is difference between VCB and SF6 breaker

4 Answers  

---

when power transformer is flashed which gas is produce in side?

5 Answers  

---

what is the meaning of DY-11 Z-5%

1 Answers  

---

In n high voltage 11kv system What happened if 1 of CT cable (IDMT) loose.Will e/f or o/c trip.please explain detail

1 Answers  

---

what is the excess air in furnace

0 Answers  

---

being an electrical engineer why you wanna come into software i have an very good academics what answer i have to give

0 Answers  

---

what you mean ct ratio? why use 400/5a,200/5a,150/5a ?

1 Answers  

---

What makes the difference between 50Hz supply and 60Hz supply which one is economical? What is the use of using increased frequency?

5 Answers   ABB,

---

HRC full from

6 Answers  

---