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Why a desktop monitor is being flickering?

We suspect due to raw power supply. What will be the measures to overcome such problem... Measures taken...1. Changed to other socket and no flickering.2. Earthing is connected with a reliabe earthing of faulty socket but no improvement.3. Phase and neutral cable also changed one by one but flickers This is connected with an online ups.. and it may be ok... Oh I am tired of this...

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Question added by Md Rakibul Hasan , Senior Executive, Engineering , Square Pharmaceuticals Limited
Date Posted: 2018/04/05
Mohammed Irshad Ahmed
by Mohammed Irshad Ahmed , Construction engineer , Al Energy System

Voltage Flickering due to low voltage or misbehaving of voltage

Abdelrahman Akila
by Abdelrahman Akila , Renewable Energy Consultant and Energy Auditor , South Delta for Electricity Distribution

It will because of one of these reasons:

1- voltage flickering.

2- voltage instability (sags, dips, ...etc).

3- harmonics.

you should contact your local Electricity utility and ask them to perform a power quality analysis, and then see what the report will say.

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