Rotating Machinery Subcommittee

Scope

Evaluate and report on protective relaying concepts and practices applicable to generators, motors, synchronous condensers, associated auxiliary systems, and performance of plant protective systems. Develop and maintain related relaying standards.

Chair: Dale Finney

Vice Chair: Gary Kobet

Working Groups

WGNameChairVice ChairScope
J5Application of Out-of-Step Protection Schemes for GeneratorsSudhir ThakurManish DasProduce a summary and full report to the J Subcommittee explaining the various schemes and setting guidelines in use for Out-of-Step protection for AC generators. The report should be in the format that could be used as feeder material into the next revision of C37.102-IEEE Guide for AC Generator Protection.
J12Improved Generator Ground Fault Protection SchemesDale FinneyManish DasTo review new methods related to generator ground fault protection.
J13Modeling of Generator Controls for Coordinating Generator RelaysJuan GersPhil TatroWork jointly with the Excitation Systems and Controls Subcommittee (ESCS) of the Energy Development and Power Generation Committee (EDPG) and the Power Systems Dynamic Performance Committee (PSDP) to improve cross discipline understanding. Create guidelines that can be used by planning and protection engineers to perform coordination checks of the timing and sensitivity of protective elements with generator control characteristics and settings while maintaining adequate protection of the generating system equipment. Improve the modeling of the dynamic response of generators and the characteristics of generator excitation control systems to disturbances and stressed system conditions. Improve the modeling of protective relays in power dynamic stability modeling software. Define cases and parameters that may be used for the purpose of ensuring coordination of controls with generator protective relays especially under dynamic conditions. Write a report to the J-Subcommittee summarizing guidelines.
J14Plant Protection Issues Associated with Black Starting of GeneratorsChris RuckmanZeeky BukhalaInvestigate and report to the J Subcommittee on plant protection issues associated with black start.
J15Investigation of the Criteria for the Transfer of Motor BusesWayne HartmannJoseph ValenzuelaProduce a Report to Subcommittee with findings of the above.
J16Revision of C37.101, Guide for AC Generator Ground ProtectionNate KlingermanSudhir Thakur
J17Revision of C37.102, Guide for AC Generator ProtectionManish DasGary Kobet
JTF1Impact of Renewables on Synchronous GeneratorsNormann FischerDale FinneyInvestigate the effect of inverter-based sources on rotating machinery protection and control.

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