From our Blog

  • Symmetrical Components Made Easy – Part 1

    Symmetrical Components Made Easy – Part 1

    Before computer software applications, the task of calculating fault currents for a three-phase electrical system was a challenging task. A mathematical theorem using Symmetrical Components and Sequence Networks was the most practical method to conduct fault studies. Although we now have computers systems to calculate and perform in-depth fault and coordination studies, there continues a need
  • What are the differences between the MTS-5000 and MTS-5100 Protective Relay Testing Systems?

    The MTS-5100 Protective Relay Testing System, introduced in 2012, replaces our earlier MTS-5000 product. What’s Different in the MTS-5100? Here are the differences between the two products, with a few key points in bold text: The MTS-5100 has six 30A current channels, whereas the MTS-5000 has only three. Using two MTS-5100 units, or an MTS-5100

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