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This paper describes a new algorithm for longitudinal differential protection of transmission lines. Classic stabilization is an unreliable method for avoiding unnecessary relay tripping in case of current transformer saturation during faults outside the protected zone. There are various methods for detecting current transformer saturation. The paper’s thesis is that rather than the stabilization...
This paper explains the algorithm for the longitudinal differential protection of transmission lines. In case of current transformer saturation, conventional stabilization is insufficient for avoiding an unnecessary protection tripping. Such a problem may occur due to a fault outside the protected zone of the transmission line. In such cases, additional stabilization ought to be implemented as well...
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