Answer / sriman

Isolators are mainly for switching purpose under normal
conditions they cannot operation in fault
conditions.Actually used for isolating the CBs for
maintanence.
Where as CB gets activated under fault conditions according
to the fault detected.
Bus bar is nothing but a junction where the power is
getting distributed for independent loads.In single word it
is One to Many.

How does a VOLTAGE OPERATED DIFFERENTIAL RELAY work??

2 Answers  

---

what is difference b/w earth and ground?

7 Answers   TATA, TCS,

---

how much current will be drawn by 3 phase, 415v, 50 hz, 20 ton central ac

3 Answers  

---

How to reduce the static electricity producing in solvent room? By P.D.Patil BioCon

0 Answers   Biocon,

---

what is the difference between Earth and neutral? and what is the difference between ground earthing and neutral earthing?

2 Answers  

---

---

how to set relay setting? and example calculation...

0 Answers   JSW,

---

type of transformer

3 Answers  

---

Hi, I'm going to attend BHEL interview for exexutive trainee (ET ) on 22nd DEC . Till now if anyone attended the interview pls help me out regarding the interview. I'm an electrical engineer

3 Answers   Bhel,

---

what is the effect when the shunt field winding is opened in dc shunt motor (i) at the time of starting ? (ii) in running condition ?

4 Answers  

---

wich type of cable is selected for wiring of 20hp motor?

5 Answers   Alchemist,

---

What is the allowalable frequency variation in India and in US? Why there is the difference?

3 Answers  

---

voltage of a ckt is measured by volt meter having an input impedence camparable with the out put impedance of the ckt Eror caused is 1. Gross Error 2. Errors due to lloading effect

2 Answers   GATE,

---