From our Blog

  • 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
  • Symmetrical Components Made Easy – Part 2

    Symmetrical Components Made Easy – Part 2

    In the last post we examined and calculated the symmetrical components in a non-faulted, three-phase electrical power system.  This post expands on the same process of using phasor diagrams to describe, illustrate, visualize and calculate the three symmetrical components: Positive Sequence, Negative Sequence and Zero Sequence.  An examination of a phase to neutral (also referred

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