7Ellingson E F. Transformer noise abatement using tuned sound enclosure panels[D]. Transmission and Distribution Conference and Exposition, IEEE/PES, 1979 : 184-191.
8Teoh C, Soh K, Zhou R, et al. Active noise control of transformer noise[J]. IEEE Energy Manag. & Power Deliv., 1998,2 (3-5) : 747-753.
9Blane C, Chritin V, Van Lancker E, et al. Acoustic mapping for active transformer quieting applications based on a modular DSP platform [D] IEEE Industrial Electronics Society, 2005. IECON 2005. 32nd Annual Conference of IEEE 2005,11:5.
10Keerthipala W W L, Zhou R J, Tan E L. Electronic circuits for active control of acoustic noise generated by high voltage transformers[D]. IEEE Power Electronic Drives and Energy Systems for Industrial Growth.1998, 1 : 243-248.