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Batteries, chargers and circuit protection
News Release from: Gambica | Subject: Managing Harmonics guide
Edited by the Engineeringtalk Editorial
Team on 05 June 2001
Technical Guide to Managing Harmonics
launched
The new EA Engineering Recommendation G5/4 tries to ensure that the levels of harmonics in the public electricity supply do not constitute a problem for other users of that supply.
The new EA Engineering Recommendation G5/4 tries to ensure that the levels of harmonics in the public electricity supply do not constitute a problem for other users of that supply G5/4 identifies consumers at their point of common coupling (PCC) to the supply and therefore affects domestic, commercial and industrial users
This article was originally published on Engineeringtalk on 8 Feb 2000 at 8.00am (UK)
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The new recommendation was raised because of the vast expansion in use today of rectifiers, resulting in increased harmonics.
Everything from rail traction supplies to TVs and washing machines and including industrial drives and controls now use greater numbers of rectifiers.
For equipment manufacturers to comply with G5/4 they must identify the harmonic currents generated by the equipment under defined conditions.
The users of the equipment must ensure the compatibility of their network and comply with the appropriate requirements.
Recognising the need for industrial companies to have an understanding of G5/4 and its ramifications, GAMBICA, the Association for Instrumentation, Control, Automation has published an excellent practical and authoritative guide to the Recommendation.
The compact 24 page Technical Guide entitled "Managing Harmonics" contains all the essential information for manufacturers and users.
The booklet is priced at £20.00 and is available from GAMBICA.
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