Answer / prajapatsuraj306@gmail.com

Single phase differences are two phases 90 ' and Three phase differences are 120' and Three phase , Three wire ( R, Y, B,)
= sin 120+ sin120+ sin120
= 2.59
and Three phase Power
= 1.732 V I cos Q
= v I and cosQ is imagine part because they are value depand on circuit
= 2.59*1.732
= 450 volt

why nutral and earthing wire connect with each other in main panel board.

2 Answers  

---

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?

0 Answers  

---

why does a dc machine has high efficiency while working as a generator than as a motor

1 Answers  

---

what is NANO TECHNOLOGY?

2 Answers  

---

for 1000kva transformer how kvar rating is need for this PFI plant. and how does it will calculate? and Apmpere rating of main cable connection?

6 Answers   Engineers India, GCC, KP, QPSL, Siemens,

---

---

why AC voltage source are generate as 50 Hz ?

4 Answers  

---

what will happen if u run induction motor beyond its rated speed

13 Answers   Adani, BARC, Bescom,

---

What is expand formation of AYFY cable

2 Answers   HP,

---

what happens if dc supply is given and the remedies for it.

0 Answers  

---

why dc motor is called constant flux motor?

1 Answers  

---

diff b/w normal grounding and resistance grounding

0 Answers  

---

why mccb is not tripping when phase & neutral terminal are interched ?

4 Answers  

---