Answer / satyabrat

ELCB-Earth leakage circuit breaker
MCB-Miniature Circut breaker

Answer / joni sharma

ELCB provides the protection for earth leakage faults along with S/C & overload protection on the other side MCB provides protection for only S/C & overload faults protection.

Answer / raj

ELCB provides the protection for earth leakage faults along with S/C& mcb is breaks the voltage only,(over voltage or low voltage then the mcb is open/close)

I would like to install the largest KW alternator to a 200 amp aluminum bus box in my home. Is it possible to install a 250 KW 400v 251amp synchronous alternator to my home?

2 Answers  

---

does frequency affects the load? if yes elaborate it.

1 Answers  

---

sir What is the different bet'n "Active & passive" sensors

3 Answers   Kirloskar,

---

what is the difference b/w UHVDC and HVDC(LIGHT)?

4 Answers   L&T,

---

Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?

0 Answers   WCC,

---

what is the difference between between open delta and broken delta?

5 Answers   Reliance,

---

How over load relay works.

1 Answers  

---

HI FRIENDS,MYSELF & MY GROUP OF FINAL YEAR ELECT ENGG. ARE MAKING A 50/3HZ,5HP,1000RPM,440V SALIENT POLE SYNCHRONOUS GENERATOR.COULD ANYONE OF U TELL ME WHAT COULD BE THE ADV. & DISADVANTAGES OF MAKING SUCH A LOW FREQN.GENERATOR/

2 Answers  

---

why magnet has north and south poles only why not east and west and why we are considering as north and south poles? why cant we consider as east and west?

0 Answers  

---

Why field resistance is greater than the armature resistance in dc mechine

1 Answers   Cape Peninsula University of Technology,

---

what is the difference between synchronous generator & asynchronous generator

4 Answers   Reliance,

---

50 electric bulbs are connected across supply of 220 volts. After one bulb is fused remaining 49 bulbs are again connected to same supply. which case will have more illumination & WHY????????

5 Answers   KJ,

---