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Improvements in Synchronous Generator Parameter Tuning Using PMU Data

To maintain grid security and stability, simulations play an important role in several applications of power system planning and operation e.g. in dynamic security assessment, design of new Special Protection Schemes and implementation of online-Special Protection Schemes. However, the technical barrier in using simulation results is the lack of accurate dynamic model parameters for a generator. This paper presents a novel way to validate and tune the given synchronous machine parameters by using PMU data comprising generator responses during grid disturbances. The paper presents an improvement achieved in model accuracy after tuning the parameters based on their impact on disturbance timeline e.g. sub-transient phase, transient phase or throughout the disturbance