Hi,
Welcome to the forum.
Please read the first post in any forum entitled how to use this forum.
http://forum.arduino.cc/index.php/topic,148850.0.html
the existing problem of power failure due to phase changed by power supply company.
Why does the power supply company change phases?
Definitely need better explanation...
Can you please tell us your electronics, programming, Arduino, hardware experience?
Thanks.. Tom.. 