Power System Subsynchronous Oscillations Electromagnetic and Electromechanical Transient Hybrid Real-Time Simulation Based on RTDS

Abstract:

In this paper, power system electromagnetic and electromechanical transient hybrid real-time simulation technology is expounded in details, which has advantages of the electromagnetic transient simulation program and electromechanical ones. The more details needed to analyze the dynamic characteristics of power systems are provided by this hybrid simulation technology, and the scale of power system simulated is not limited in the hybrid simulation program. The hybrid simulation program is applied to analyze the power system subsynchronous oscillation problem occurred in a power plant with 4 turbine generators located in the northwestern China. According to the simulation results, it is clear that the stability of generators is threatened by the subsynchronous oscillations caused by capacitor series compensation in the transmission line connecting the power plant and the load center system. In meantime, the effectiveness of the countermeasure is validated simultaneously by the hybrid simulation results.

• Periodical: Advanced Materials Research (Volumes 433-440)
• Pages: 2850-2855
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.433-440.2850
• Online since: January 2012
• Authors: Lei Shi, Xiang Ning Xiao
• Keywords: Capacitor Series Compensation, Hybrid Simulation, Sub-Synchronous Oscillation (SSO)

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