Answer / k.prakashchandra

Follow the circuit diagrams

give me list of material for wiring of 20hp motor?

2 Answers   Alchemist,

---

i am using star-delta connections with reverse/forward direction motion of the 75hp induction motor.What should be the ratings of Main,Delta and Star contactors and why?

1 Answers  

---

why power factor is important?

6 Answers   Dalkia, MGC,

---

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

3 Answers  

---

What is different between Metering CTs and Protection CTs?

4 Answers  

---

how the ac voltage are selected like 220v,415v,750v,1000v& 1.KV,6.6KV,11KV,33KV,66KV,132KV,220KV & why these are selected like these orders

2 Answers   Jindal, JSW,

---

We have 90mX100m hangar with 16 no.of supporting pillar. It is required to provide power supply on all pillars. what is suggested earthing scheme for hangars.

0 Answers   HAL,

---

whydoes the p.f of diesel generator always be 0.8 explain how will you determine the shortcircuit capacity of network

1 Answers   Dalkia,

---

Off-circuit Tap changers in distribution transformer required

1 Answers  

---

Why field rheostat is kept in minimum position while armature rheostat at maximum position?

0 Answers  

---

How we can measure the thickness of bus bar for a given load ? any farmula Plz elaborate clearly.

2 Answers   ITC Infotech, TCS,

---

How RTCC works with OLTC

1 Answers   Siemens,

---