I am an electrical power engineer and arranged power system
for a data center, I installed MCB, ELCB and erthing system
TN-C-S.
But some times several ELCBs Disconnect circuits at the
same time! what may be the reason? (the ELCBs are 25A ,30mA)
- 9 Answers
- 10275 Views
- I also Faced
- E-Mail Answers
Answer Posted / mehdi
there wasn't any Falctuation in cicuits. it is strange that
if any problem occured in one circuit others may not be
failed!
I solved my problem by replacing those ELCB with 300 mA
Type!
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?
what is the transiant condition in alternator? and how it can be prevanted?
What is the maximum and minimum rating of UPS?
please explain to me how to calculate current,voltage,resistance with formula??
How to design pavement quality concrete by using C.R.C.P Method
which is the best institute for PLC,SCADA,DCS in hyderabad
can u give me a brief idea about power line carrier communication ??
how to calculate current carring capacity of cable and cable selection? 1) copper flexible cable 2) copper armoured cable 3) Aluminium cable
No load tap changing transformer working
What is 100% protection of generator? Why 100% is not used but 95% is generally used?
What are your personal skills and abilities for such a Master Course and your possible preparation to undertake this course?
WHAT IS SPEC OF CLEANROOM MOTOR AND LIGHT FITTINGS?
from generating station If 400v LT line length is 1000m how much voltage is drop and how do i calculate it? which cable will be use for this line?
i need of the bhel question papers along with answers and also give some website names for the downloading question (electrical and electronics engg question)please help me....
Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC
