Abstract
A SYMPOSIUM of four papers on this subject was presented before the Institution of Electrical Engineers in London on May 12. In the first paper, by D. C. Field on systems up to 33 kV., the general principles of protection are discussed, emphasis being laid on the importance of considering the prevention of faults as well as their isolation. From an analysis of the causes of interruptions, which shows that a large number are only transient, and from the special conditions pertaining to a rural system, it is concluded that it is preferable to restrict the number of points at which automatic protection is provided, in order to facilitate the rapid resumption of supply. The methods of protection adopted in one large rural area are briefly described, together with a summary of the experience gained in operating several classes of equipment, including arc-suppression coils, auto-reclose switches and fuse-gear.
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PROTECTIVE SYSTEMS FOR RURAL ELECTRICAL DISTRIBUTION. Nature 152, 26–27 (1943). https://doi.org/10.1038/152026b0
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DOI: https://doi.org/10.1038/152026b0