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Conduct Research Top

  • Current Transformer Measurements
    The Current Transformer (CT) is used to sense AC current in single-phase or three-phase mains circuits. The CT typically has a 1A or 5A AC secondary that connects to a current, power or energy meter. This allows the meter to be located away from the mains wiring. CTs are available in a variety
  • White Paper: Comparing Transformer-free to Transformer-based UPS Designs
    There is growing interest in utilizing transformerfree. UPS modules in high power, three-phase critical. power backup applications. This prompts a debate. over which architecture-transformer-based or. transformer-free-is best suited for critical data. centers. In general, transformer-based UPSs
  • Sizing a Motor CT
    Use this chart to select the CT rating for various motor sizes. This chart applies to three phase AC induction type, squirrel cage and wound rotor motors. Also see related article on Current Transformer Ratings and Wire Length Chart.

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