• Presentation by Bob Pettigrew on Basic Concepts of Generators / Teamwork / Leade

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    Name: Presentation by Bob Pettigrew on Basic Concepts of Generators / Teamwork / Leade
    Date: May 1, 2019
    Time: 5:15 PM - 6:15 PM EDT
    Event Description:

    The presenter, Bob Pettigrew, recently retired from TRC Companies, Inc. after more than 17 years; He is the former president of Beckwith Electric (22 years) in Largo, FL.

    During Mr. Pettigrew's presentation on generators, he will focus on the importance of teamwork in the industry.

    Description:This presentation will review the basic concepts of how generators work, the tools developed to analyze faults and how the generator uses protective relays to detect faults and unsafe operating conditions. Generators are a major capital investment to the utility system and undetected faults can cause long and costly outages.

    A protective relay today includes many protection functions that operate concurrently to analyze the voltages and currents in the generating unit and to detect faults. Protective relays must be selective, sensitive and fast in order to limit damage to the machine. The various protection functions used in a generator protection system will be discussed, including:

    Ground Fault Protection
    Phase to Phase Fault Protection
    Field Ground Protection
    Loss of Field Protection
    Unbalanced Current Protection
    Reverse Power Protection
    Over/Under frequency Protection
    Out of Step Protection
    Overexcitation Protection

    Questions will be encouraged from the audience.

    Co-sponsored by WNC Power Engineering Society

    DegreePlus Skills: Teamwork; Leadership

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