Abstract
The increasing penetration of large-scale renewable energy resources, power electronics-based transmission equipment, and advanced protection and control systems all contribute to the even more complicated dynamics which are observed in the operation of today’s China State Grid. In this chapter, online transient stability and voltage stability assessment tools are developed which input real-time EMS snapshots, perform dynamic contingency analysis under various conditions, and calculates real-time transfer limits. Some unique and innovative features are introduced to address the practical challenges, such as real-time integration of power flow information from both node/breaker and bus/branch models, online corrections, and enhancements for power flow and dynamic models. The developed online assessment system has been deployed in the unified dispatching and control system D5000 and has achieved satisfactory performance in improving situational awareness and safe operation of the power grid. Several examples focusing on transient stability and voltage stability are presented to illustrate the effectiveness of the online assessment system.
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Bonian, S., Jianfeng, Y., Yiding, J. (2021). Use of Online Transient Stability and Voltage Stability Assessment Tools at State Grid China. In: Nuthalapati, S.(. (eds) Use of Voltage Stability Assessment and Transient Stability Assessment Tools in Grid Operations. Power Electronics and Power Systems. Springer, Cham. https://doi.org/10.1007/978-3-030-67482-3_11
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DOI: https://doi.org/10.1007/978-3-030-67482-3_11
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