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Shane King is a building automation applications engineer for Yaskawa America Inc. He is a 1999 graduate of Lake Superior State University (BSEE) and has 19 years of experience in the drives industry.
Since as early as the 1990s, there have been questions, discussions, and application notes on the topic of using a 2-contactor bypass or 3-contactor bypass with variable frequency drive (VFD) configurations.