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
  • DistribuTECH
    Feb 5-7, 2019
    New Orleans, LA
    Visit us in booth #11317!
    DistribuTECH Website
  • Life of a Transformer Seminar
    Feb 11-15, 2019
    Summerlin, NV
    See René Midence present “Methods to Detect Transformer Saturation due to Geomagnetic Induced Currents” at 3:30pm on Tues Feb 12th
    Life of a Transformer Seminar Website
  • Texas A&M Protective Relaying Conference
    Mar 25-28, 2019
    College Station, TX
    Visit us in booth #3!
    See our paper presentations:
    • Applicability of Synchrophasor Based Frequency Data for Protection and Control Applications
    • Performance Evaluation of an Enhanced Bus Differential Protection Relay
    • Directional Protection Applied to Wind Systems: Challenges and Solutions
    Texas A&M Website
  • GA Tech Conference
    Apr 30-May 3, 2019
    Atlanta, GA
    See our paper presentations of “Applicability of PMU Based Frequency Measurements for Power System Applications”, “Case Studies on the Use of Digital Fault Recorder in an Aluminum Plant”, “Solutions for Monitoring GIC Events Using a Digital Fault Recording System”
    Protective Relaying Conference Website
    Fault & Disturbance Analysis Website


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Winnipeg, Canada