The diffusion of power electronics is increasing the harmonic sources like home applications, OA apparatus. and industrial apparatus. They have caused many electrical accidents, such as bunting out, vibration. malfunction and so on. Thus we should take measures to avoid these accidents. As the leading technology of the countermeasure for thus problem we have studied Active Filter (AF) which
... [Show full abstract] removes harmonic current by pouring into compensation current to which the quantity of hannonic current with opposite sign is equal. It needs high performance harmonic analyzer to get the quantity of harmonic current.
Recurrent Neural Network (RNN) can detect fundamental current without being affected by harmonic phase changes, It also has the ability to learn how to convert load current to fundamental current by itself. These abilities of RNN fit to apply to harmonic current analyzer of AF. So we suggest to apply RNN as harmonic current analyzer and investigate the ability of RNN to eliminate hannonics. As a result of simulations we have proved that RNN can eliminate harmonic current without being influenced by composition rate and phase of harmonic current and work as a high performance haronic analyzer.