Detection of high impedance fault using adaptive non-communication protection technique

This paper presents the application of the adaptive noncommunication protection technique to high impedance fault conditions. In this technique, protection relays make operate or restraint decisions, adapting to system and fault conditions, without the need for communication links. The neglecting of...

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Bibliographic Details
Main Authors: Bo, Z.Q., Dong, X.Z., Shi, S.X., Gan, Z., Caunce, B.R.J.
Format: Conference Proceeding
Language:English
Subjects:
Electrical fault detection
Fault detection
Frequency
Gallium nitride
Impedance
Power system protection
Power system relaying
Power system transients
Power transmission lines
Protective relaying
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Summary:This paper presents the application of the adaptive noncommunication protection technique to high impedance fault conditions. In this technique, protection relays make operate or restraint decisions, adapting to system and fault conditions, without the need for communication links. The neglecting of communication links to signal the remote end relay is achieved by detecting the remote breaker operation to determine whether the protected line section is in a balanced operation condition or not. An algorithm based on the symmetric components is proposed to detect and identify the balance condition of the system during the fault. The paper is focused on the responses of the technique to high impedance fault conditions.
DOI:10.1109/PESS.2002.1043260