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 “Productivity Modes” in the MTS-5100?

    Short Answer A “Productivity Mode” is a helper mode in the MTS-5100 Protective Relay Testing System for testing a specific kind of relay, protection element or piece of substation equipment. For example, the ANSI 51 Time Overcurrent Relay Test Mode is optimized for testing time-overcurrent relays or the time-overcurrent elements in multi-function digital relays. Productivity

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