DocumentCode
830524
Title
An adaptive approach in digital distance protection
Author
Zhizhe, Zhang ; Deshu, Chen
Author_Institution
East China Tech. Univ. of Water Resources, China
Volume
6
Issue
1
fYear
1991
fDate
1/1/1991 12:00:00 AM
Firstpage
135
Lastpage
142
Abstract
Adaptive distance protection can be obtained by forming an adaptive control system, and rules about information, functions, and time sequence must followed in its design. Three adaptive methods are suggested to deal with the following problems: (1) the effect of frequency variation, (2) the effect of fault resistance in single-phase-to-ground faults, and (3) the effect of power swings in power systems. A prototype of digital distance protection has been designed and tested on a 500 kV dynamic power system model. Tests results show that the performance of distance protection can be improved by the adaptive methods
Keywords
adaptive control; power system protection; 500 kV; adaptive control system; digital distance protection; dynamic power system; fault resistance; frequency variation; single-phase-to-ground faults; time sequence; Adaptive control; Automatic control; Control systems; Frequency; Power system dynamics; Power system faults; Power system modeling; Power system protection; Power system relaying; Programmable control;
fLanguage
English
Journal_Title
Power Delivery, IEEE Transactions on
Publisher
ieee
ISSN
0885-8977
Type
jour
DOI
10.1109/61.103732
Filename
103732
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