Implementing and testing d - q WPT-based digital protection for micro-grid systems

S. A. Saleh; R. Ahshan; M. A. Rahman; M. S. Abu Khaizaran; B. Alsayed

doi:10.1109/IAS.2011.6074471

Implementing and testing d - q WPT-based digital protection for micro-grid systems

S. A. Saleh^*, R. Ahshan, M. A. Rahman, M. S. Abu Khaizaran, B. Alsayed

^*Corresponding author for this work

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

11 Citations (Scopus)

Abstract

This paper introduces an implementation procedure and performance testings of a wavelet packet transform (WPT)-based digital protection for micro-grid systems. This digital protection is structured for detecting and classifying faults based on the values of the WPT coefficients of the high frequency sub-bands present in the d - q-axis current components. The WPT coefficients are determined using the Daubechies db4 wavelet basis functions, which are found optimal for analyzing transient disturbances likely to occur in power systems and electric machines. The proposed digital protection is implemented for experimental performance testing on a test micro-grid system that is constructed as a laboratory scale of an actual micro-grid system located in Fermeuse, Newfoundland, Canada. Several transient disturbances occurring in different parts of the test micro-grid system are experimentally investigated. Performance results demonstrate significant capabilities of the d - q WPT-based digital protection for accurate and reliable detection and classification of fault conditions, along with fast response to classified faults.

Original language	English
Title of host publication	2011 IEEE Industry Applications Society Annual Meeting, IAS 2011
DOIs	https://doi.org/10.1109/IAS.2011.6074471
Publication status	Published - 2011
Event	2011 46th IEEE Industry Applications Society Annual Meeting, IAS 2011 - Orlando, FL, United States Duration: Oct 9 2011 → Oct 13 2011

Other

Other	2011 46th IEEE Industry Applications Society Annual Meeting, IAS 2011
Country	United States
City	Orlando, FL
Period	10/9/11 → 10/13/11

ASJC Scopus subject areas

Electrical and Electronic Engineering
Control and Systems Engineering
Industrial and Manufacturing Engineering

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Saleh, SA, Ahshan, R, Rahman, MA, Abu Khaizaran, MS & Alsayed, B 2011, Implementing and testing d - q WPT-based digital protection for micro-grid systems. in 2011 IEEE Industry Applications Society Annual Meeting, IAS 2011., 6074471, 2011 46th IEEE Industry Applications Society Annual Meeting, IAS 2011, Orlando, FL, United States, 10/9/11. https://doi.org/10.1109/IAS.2011.6074471

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AB - This paper introduces an implementation procedure and performance testings of a wavelet packet transform (WPT)-based digital protection for micro-grid systems. This digital protection is structured for detecting and classifying faults based on the values of the WPT coefficients of the high frequency sub-bands present in the d - q-axis current components. The WPT coefficients are determined using the Daubechies db4 wavelet basis functions, which are found optimal for analyzing transient disturbances likely to occur in power systems and electric machines. The proposed digital protection is implemented for experimental performance testing on a test micro-grid system that is constructed as a laboratory scale of an actual micro-grid system located in Fermeuse, Newfoundland, Canada. Several transient disturbances occurring in different parts of the test micro-grid system are experimentally investigated. Performance results demonstrate significant capabilities of the d - q WPT-based digital protection for accurate and reliable detection and classification of fault conditions, along with fast response to classified faults.

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