What does substation operator do in substation?

2 Answers   ABB,

---

please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI and secundrabad}}} TECHNICAL question papers TO MY EMAIL ID dinesh100701@gmail.com

0 Answers  

---

Why should not we run the IM in low voltage, if runs means what will happen?(for example instead of 400V we give 250V supply)

2 Answers  

---

Why do we use only Sinusoidal Wave in AC supply why not the Square,Triangle or Sawtooth etc?

2 Answers  

---

What is routh hurwitz stability criterion?

0 Answers  

---

is harmonic useful or it distort the alternating quantity?

2 Answers  

---

what is basic difference betmeen normal & flame proof motor??

0 Answers  

---

Genreally distribution transformers are having Star/delta connections to provide phase and neutral to the consumers. Is the neutral of the star conncted secondary grounded in these transformers?

1 Answers  

---

How we can defined theecopper cable size if we know the aluminium cable size?

0 Answers   Cummins,

---

Pls tell me what is the exact current conducting capacity of copper and aluminium cables?how much capacity of cables need to 90kw induction motor&how?

1 Answers  

---

HOW TO BUILD THE SINGLE PHASE TO THREE PHASE CONVERTER? CAN PROVIDE ME CIRCUIT..THANKS

0 Answers  

---

what are different types of excitation in synchronous generator,what is the difference between them

3 Answers  

---