History of ERLPhaseAbout Us > History


Our history includes several stages, with unwavering focus on leading-edge protection and recording products. In 1993, ERLPhase began under the name APT Power Technologies, as a software and hardware engineering development team producing an innovative transformer protection relay with roots at the University of Manitoba. Growing its small base of loyal customers, APT expanded to produce what would prove to be a very successful line of protection and recording products.

In the year 2000, APT Power Technologies was acquired by NxtPhase T&D Corporation, a Canadian supplier of optical CTs and PTs, during which time development and support of customers continued.

In Jun 2007, Easun Reyrolle Ltd acquired this division, which has since operated as the company ERLPhase Power Technologies Ltd.

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EVENTS
  • Hartigan Power Equipment Technical Conference
    Sept 26, 2019
    Englewood, CO
    HPE Technical Conference Website
  • WPRC
    Oct 21-24, 2019
    Spokane, WA
    Nuwan Perera presents papers:
    • “Operation of a Sub Synchronous Oscillation Protection Relay During Commissioning”
    • “Low Frequency Oscillations Generated Due to Interaction of Shunt Reactors with a Long Transmission Line”
    WPRC Website
  • IA/NE Substation and System Protection Conference
    Oct 22-24, 2019
    Omaha, NE
    Visit our booth!
  • NASPI Work Group Meeting
    Oct 29-30, 2019
    Richmond, VA
    NASPI Work Group Meeting Website
  • European Utility Week
    Nov 12-14, 2019
    Paris, France
    Visit us in booth F90
    European Utility Week Website
  • Minnesota Power Systems Conference
    Nov 12-14, 2019
    Saint Paul, MN
    Visit our booth
    Nuwan Perera presents paper “Low Impedance Differential Protection: New Challenges and Advanced Solutions”
    MIPSYCON Website


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Winnipeg, Canada