Indeed this is presently one of the open gaps in the new EMC strategies of EN standards that standardisation boards are now striving to fill in. A dedicated DKE working board is presently dealing with this special issue. It used to be common practice and was even compulsory to earth the star connection of any transformer or generator feeding into a low voltage supply system.Read full article
Yes, this is in fact sometimes forwarded as an advantage of the TN-C wiring system, and it is really one, but it is the only one except a minor cost saving, whereas you have to be careful not to confuse costs with prices.Read full article
Power quality has become a major concern for a large number of industrial sites and buildings. This guide provides an easy-reference to the major power quality phenomena, the problems they are causing, and measures to avoid those problems. It is unlikely that a single solution will be effective. Careful design of a solutions mix, tailored to the PQ problems experienced, and based on a detailed understanding of the causes of the PQ problems, is needed.
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