Answer / guest

by its elctrical device number(ANSI number).
ex. 1) 21 - distance protn.
2) 87B - busbar differential protn.
3) 87T - trafo. differential protn.
4) 64N - ref

The inexpensive way to improving energy efficiency of a motor which operates consistently at below 40% of rated capacity is by _____.

2 Answers   IFFCO, Sanmar,

---

What type of changeover switch needed to run a load of five 1.5 tonn ACs.

1 Answers  

---

why the difference arise between HT reading & LT reading (submeters fixed in complexes, apartments etc)if the power factos exceed from 0.9 to 1 can the ht meter reads fast?

0 Answers  

---

how many testing use in power transformer?tell equipment names?

2 Answers   ABB, Electrical,

---

Why Parallel operation of two Transformer are Required?

6 Answers  

---

---

if any house we instaled a 1.5 ton ac and its phase cable of wiring is installed but netrual cable of wiring not instaed. my question is that is neutual of house(for other wiring is capable for ac load or a sepeart neutrual wiring required

0 Answers  

---

All tape of electrical questions Answers tape of motor transformer e.o.t crane

0 Answers   Afcons, Honeywell, Manlift, SIMS,

---

Explain what is electric traction? Explain few advantages of electric traction system?

0 Answers  

---

What is stray looses?

2 Answers  

---

How can maintain our H.T. motors used in cement plant. please send me procedure.

0 Answers  

---

Up to how much limit of HP of electric motor the Star- Delta Starter can be used ?

1 Answers  

---

how to calculate the capacity of the AC motor

1 Answers   TATA,

---