Answer / vipul prajapati

ELCB STANDS FOR EARTH LEACKAGE CIRCUIT BREAKER
ELMCB STANDS FOR EARTH LEAKAGE MINIATURE CIRCUIT BREAKER
ELCB IS USED FOR TO SENSE THE EARTH LEAKAGE CURRENT ONLY
AND AFTER SENSING SUFFICIENTLY AS PER THE RATING OF ELCB IT
WILL TRIPPED.
AND IN ELMCB IT WORKS LIKE AS ELCB BUT MOREOVER IT PROTECT
CONNECETD LINE WITH SHORT CIRCUIT ALSO.

Answer / aravind

BAsicaaly both are protection devices.ELCB or RCCB is more
for Human protection (30 mA)
ELMCB or RCBO is used for foll
ON& OFF
Current leakage
Overload and Shortcircuit

Answer / g.kandasamy

elcb -earth leakgagecircuit breker
elmcb-earth leagage moulded case circuit breaker

we have provided 30 nos. relay contacts in panel.I want to know how do we do the numbering for the relay contacts as per any applicable standards

0 Answers  

---

is dc transformer is possible ?

4 Answers   Jyona Power,

---

At present how many HVDC lines are there in india

18 Answers   HAL, Infosys, KSEB, Kuntham,

---

why selected genration, transmission or any at 11kv, 132, 220, 220 or 440 voltage which is propotional to 11. why does not any for ex. 12 kv 13kv or any

2 Answers  

---

working of diesel generator ?

0 Answers  

---

Ps Explain YWY,AFWY Type Cable

1 Answers  

---

what is the thumb rule to know current carrying capacity of copper conductors of different size.

1 Answers  

---

what does the regenerative braking mean?and how it used for Dc motor? thanks.

2 Answers  

---

if we have a power factor 0.99 and we add a capacitive bank with it then what happen?

4 Answers   University,

---

How does the slip regulator works as a startor

0 Answers  

---

which motor is used in mixies

10 Answers  

---

why transformer ratings in kva? & DG ratings in kva? & Motor ratings in kw/HP?

0 Answers  

---