Why frequency fix in 50 Hz?

6 Answers  

---

in CNC reference how to take? what kind of input give to the servo amplifier?

1 Answers  

---

what is the difference b/w earthing and grounding??

2 Answers   Dodsal,

---

HOW TO CALCULATE HV CABLE SIZING?

0 Answers   KNPC, L&T,

---

Is 3 phase induction motor can work as a generator?? if so why & how??

2 Answers   Jindal,

---

What are the advantages and disadvantages of closed-loop control system?

0 Answers  

---

what is the difference b/c choke and ballast?

1 Answers  

---

what r the types of detectors? state the location these detectors?

3 Answers  

---

Isi standard of lux level required / to be maitained in different working place general & in textaile industry.

1 Answers  

---

what is G.O.D.S. ?

2 Answers   RCE,

---

How to run 1ph motor(230 VOLTS its full load amps is 4.5 ampa))with 480 volts main(we didn hav neutral)Thn we go for step down transformer.Our load 10 amps,so we conisder this amps in primary are secondary side?

1 Answers  

---

derive the e.m.f equation of transformer

2 Answers  

---