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Vol 182
Pages:
65-68
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RUS

Influence of unbalance currents on operation of group protection against single-phase faults in various modes of network operation

Authors:
M. A. Bychin
About authors
  • Postgraduate student G.V. Plekhanov Saint Petersburg State Mining Institute
Date submitted:
2008-09-16
Date accepted:
2008-11-13
Date published:
2009-04-21

Abstract

We have considered influence of surface complex of current noise on the operations of group protection from single-phase closing to the ground in circuit 6-35 kilovolt with isolated neutral terminal of mountain enterprise. We also have analyzed actions of noise operations of protections in different conditions of circuit: in normal state of working, when short circuit and single-phase closing to the ground arise on protectable connection.

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References

  1. Сирота И.М. Трансформаторы и фильтры напряжения и тока нулевой последовательности. Киев: Наукова Думка, 1983.
  2. Шалин А.И. Защиты от замыканий на землю в сетях 6-35 кВ. Небалансы / А.И.Шалин, А.М.Хабаров // Новости электротехники. 2006. № 3(39).
  3. Шалин А.И. Защиты от замыканий на землю в сетях 6-35 кВ. Небалансы / А.И.Шалин, А.М.Хабаров // Новости электротехники. 2006. № 4(40).
  4. Шалин А.И. Защиты от замыканий на землю в сетях 6-35 кВ. Небалансы / А.И.Шалин, А.М.Хабаров // Новости электротехники. 2006. № 5(41).

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