is there any chart showing the suitable cable size according to AMP and length ? for three phase motors

0 Answers  

---

Why machines are avoided to work is saturation region of B- H curve?

3 Answers  

---

What is mean by STUB protection?

0 Answers  

---

what is meant by PU value ? anyone can you explain briefly to me ?

3 Answers  

---

What is E.M.F ?

6 Answers  

---

During he starting up of the motor, the upstream's MCCB (350A) always trips due to the UVT relay activated. Can Star-delta starter use for a 20kW Motor (For a powder mixer machine) cause voltage-dip in the supply line voltage? If so, what are the recommended solution to eliminate/reduce the transient voltage dip in the line voltage?

4 Answers  

---

define transformer

1 Answers  

---

2 Diesel Generators 900KVA connected to the bus bar for essential load as an alternative for power taken from 11/440V 3KVA Transformer supplying this bus bar. my question here is in the event of power failure on 11KV side can I feed the power to 11 KV bus by using the same transformer as reverse feed, what will be the inrush current???

3 Answers   Ashok Leyland,

---

How one can check the faulty capacitor, diode when connected in the circuit ? and when you can not take them out ?

4 Answers  

---

Why the transformers making noise?

2 Answers   L&T,

---

if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

1 Answers   BSNL,

---

How dia computation perfomed in cold rolling mills .

0 Answers  

---