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Transient fault information based multifunctional integrated IED in smart substation

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6 Author(s)
Luo, S.B. ; School of Vehicle & Motive Power Engineering, Henan University of Science & Technology, Luoyang 471003, China ; Lu, G.J. ; Tiai, S.Y. ; Hong, Y.
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A transient fault information based IED integrating protection fault location, fault record, measurement and control functions for transmission line is proposed in this paper. IED hardware scheme adopts multiple CPU distributed structure, and includes mainly the following modules: process level communication module, protection module, fault location and record module, measurement and control module, station level communication module and a MMI module. Transient fault information utilization is illustrated in detail, which mainly reflected in the protection module and the fault location and record module. Some key techniques are used to meet the smart substation development requirements. The multifunctional integrated IED can apply in the existing smart substations, improve protection performance and fault location precision, reduce equipment cost and operation and maintenance cost.

Published in:

Developments in Power Systems Protection, 2012. DPSP 2012. 11th International Conference on

Date of Conference:

23-26 April 2012