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P&C / Relay Testing Talk

Discuss protective relaying and control schemes.

  1. OMICRON CMC256-6 Repairs

    Started by TestTech, November 11, 2022
    • 45,327

  2. what happens after the 51 element trips?

    Last Post By
    chils15
    July 3, 2022
    electrical drawings, neta exam questions, neta level 2, neta level 3, protection and control, protective relays 1 Attachment(s)
    • 73,588

  3. ABB REL316.4 SOFTWARE

    Started by HusamTheKid, April 17, 2022
    • 10,695

  4. 3 Phase Variable AC Test Set

    Last Post By
    tmx1911
    December 10, 2021
    codes and standards, protection and control, protective relays, test equipment, test procedures
    • 12,922

  5. Question GE P545 Loopback Expected value

    Started by Indran, December 8, 2021
    general electric, protection and control, protective relays, test procedures
    • 8,581

  6. Beginning Relay Tech

    Last Post By
    alf583
    November 12, 2021
    codes and standards, neta, nicet, protection and control, test and measurement, test procedures
    • 16,323

  7. Ratio PTs with a 6150?

    Last Post By
    SecondGen
    November 11, 2021
    doble, low voltage, metering, protection and control, switchgear & mcc, test procedures, transformers, turns ratio testing
    • 23,380

  8. Circuit Breaker Simulator

    Last Post By
    GreenHornet
    November 6, 2021
    2 Pages •
    1 2
    acceptance testing, circuit breakers, high voltage, protection and control, protective relays, relay testing, substations, switchgear, test and measurement, test procedures 1 Attachment(s)
    • 700,226

  9. S&C Protection & Coordination Assistant Free Online Tool

    Last Post By
    TestingProToBe
    September 16, 2021
    fuses, protection and control, protective relays, software tools 1 Attachment(s)
    • 16,725

  10. Question Frequency measurement in P444 MiCom relay ?

    Started by Vikas07, May 18, 2021
    codes and standards, protection and control, protective relays, test procedures
    • 10,652

  11. Building fundamental knowledge of Relay Protection

    Last Post By
    Gsharpes
    April 15, 2021
    2 Pages •
    1 2
    electrical theory, how-to guides, protection and control, protective relays, reference guides, relay testing, substations, switchgear, test procedures
    • 835,889

  12. 2 trigger sources, one output, all 120VAC

    Last Post By
    Realtime
    February 8, 2021
    • 39,032

  13. Differential Slope 1 and 2

    Last Post By
    Realtime
    February 8, 2021
    • 45,148

  14. Relay Test Supplies

    Last Post By
    khanhamza
    February 6, 2021
    acceptance testing, maintenance testing, protection and control, relay testing, test and measurement, test equipment, testing
    • 66,358

  15. Phase Failure Relay Test Procedure

    Last Post By
    akumaleon
    December 15, 2020
    low voltage, motors, protection and control, relay testing, relays, test procedures
    • 20,185

  16. Isolating Line protection

    Last Post By
    cotton
    November 2, 2020
    maintenance testing, protection and control, protective relays, test procedures
    • 45,573

  17. Trying to get in the Relay World

    Last Post By
    chuyacano
    August 18, 2020
    neta certification, nicet, protective relays, test procedures
    • 36,087

  18. Instantaneous Trip

    Last Post By
    GreenHornet
    August 2, 2020
    protection and control, protective relays, transformers
    • 40,124

  19. How to Reset SEL 351 Relays on Factory Defaults

    Last Post By
    Js20981
    July 7, 2020
    protection and control, protective relays, relay testing, sel relays, troubleshooting
    • 50,874

  20. Critical Point on an OC relay

    Last Post By
    Kalbi_Rob
    July 7, 2020
    electrical theory, protection and control, protective relays, test procedures
    • 31,848
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