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Conventional approaches for harmonic filtering usually employ either passive or active filtering techniques or a combination of both. The paper proposes an alternative intelligent adaptive power line conditioner (I-APLC), which is a form of neural-network-based adaptive harmonic filtering. The I-APLC makes use of one supervised learning rule (backpropagation) which underlies the adaptive self-learning in realising the optimal filter weight vector. Experimental results obtained via a prototype model of the DC variable-speed motor verified that I-APLC is feasible in terms of real-time tracking, adaptive harmonic filtering, faster training and convergence speeds, and simplicity in the online hardware implementation.
Generation, Transmission and Distribution, IEE Proceedings- (Volume:151 , Issue: 5 )
Date of Publication: 13 Sept. 2004