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Articles in industry publications

Motors: The proactive approach to voltage unbalance

  • June 2016
  • Number of views: 64
Trade press article Engineered Systems

It’s impossible to balance line-to-line voltages perfectly in three-phase circuits, so they typically differ by a few volts or more. However, if voltage unbalance exceeds 1%, it can markedly decrease the performance and energy efficiency of three-phase motors while increasing the likelihood of premature failure.