How stable is your power supply?


          

刊名：Drives & Controls
作者：John Symonds
刊号：780C0030
ISSN：0950-5490
出版年：2006
年卷期：2006, vol.22, no.9
页码：39
总页数：1
分类号：U46
语种：eng
文摘：Power supply variations can result in problems both for producers and users of electrical equipment the author, managing director of REO (UK), looks at some of these problems, and how-to deal with them. Around 10 years ago, the European public low-voltage power supply network was harmonised to 230V between phase and neutral conductors. The UK supply regulations (HD472) were amended to reflect this change. However, it was also decided to widen the low-voltage tolerances to 230V +10% -6% for a period of ten years. This wide tolerance band was later extended for a further five years, taking the transition period up until 1 January 2008.



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