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Yaskawa America, Inc. HVAC Drive Product Manager, Jordan Engel, and Consulting-Specifying Engineer discuss harmonic currents resulting from nonlinear loads connected to a power distribution network. Examples of nonlinear loads include variable frequency drives (VFDs), LED lighting, and computer backup power supplies.

Mechanical and electrical engineers must consider many things when designing a system in a commercial building. Unfortunately, harmonic disturbances must be considered during the initial design phase, or when mitigating in existing building systems.

Learn the fundamental basis for the harmonic current generation and how it relates to VFDs' core design and specification.

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