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9. Conclusion
All articles on voltage quality and [D 4 264] may suggest that a solution can be found, either to reduce the number of disturbances that inevitably affect networks, or to mitigate their effects on a customer. Unfortunately, electricity networks in developed countries, which supply all the homes and industries in a region or a country, are "attacked" by natural phenomena or those linked to human activity. The laws governing the distribution of these phenomena cannot be reproduced, nor are they bounded.
As a result, it is impossible to determine an "optimum", in the mathematical sense of the term, as we are unable to capture the constraints, even statistically. At most, the constraints we can cover are those "within human memory", and the probability of occurrence of "exceptional" cases is not entirely zero.
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Technical and economic aspects
In the introductory article , it is shown that equipment connected to a network must, on the one hand, not "emit too much" disturbance and, on the other hand, must not be "too sensitive" to this same disturbance. While simple to express, this dual concept is more difficult to implement in the field. Indeed, for a particular piece of equipment, reducing its emission of disturbance and/or...
Bibliography
References
Standardization
The most recent versions at the date of publication are quoted here. The latest published versions are available in the online catalogs of the standards organizations.
IEC standards and publications
- Electromagnetic compatibility (EMC) – Part 2-2: Environment – Compatibility levels for low-frequency conducted disturbances and signal transmission on public low-voltage supply networks. - CEI 61000-2-2...
Organizations
Commission électrotechnique internationale (CEI) http://www.iec.ch
Union internationale pour les applications de l'électricité (UIE) http://www.uie.org
Association française de normalisation (Afnor)...
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