作者:
P Folliot，JM Boyer，S Bolle
关键词:
earthing；fault currents；load (electric)；power distribution faults；power distribution protection；power supply quality；MV power distribution networks；earthing terminal quality；load density；load nature
摘要:
The different modes of grounding medium voltage power distribution networks differ from one country to another. The physical characteristics of the networks, such as network extension, load density, load nature, the quality of the earthing terminals and the network type, has led the operators of the various countries to an independent choice of grounding for their particular networks. For the choice of the neutral grounding mode, they have to consider the criteria of tension control during the occurrence of single-phase or multiphase fault currents, the reliability and the sensitivity of protections, the voltage level and the quality of supply as well as the security of goods and people
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