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An Enhanced OPA Model: Incorporating Dynamically Induced Cascading Failures
- Authors
- Park, Byungkwon; Su, Xiaowen; Sun, Kai
- Issue Date
- Nov-2022
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Power system protection; Power system faults; Power system dynamics; Mathematical models; Transient analysis; Protective relaying; Delays; Cascading failures; OPA model; power system dynamic simulation; power system protection
- Citation
- IEEE TRANSACTIONS ON POWER SYSTEMS, v.37, no.6, pp.4962 - 4965
- Journal Title
- IEEE TRANSACTIONS ON POWER SYSTEMS
- Volume
- 37
- Number
- 6
- Start Page
- 4962
- End Page
- 4965
- ISSN
- 0885-8950
- Abstract
- The OPA (ORNL-PSERC-Alaska) model has been widely used in cascading failure simulations to predict likely and plausible sequences of cascading failures. This letter focuses on an algorithmic approach to enhance the OPA model whose main engine is based on quasi-steady-state models without considering the impact of collective transient dynamics of the entire system on the sequence of cascading failures. In particular, the enhanced OPA model incorporates dynamically induced cascading failures in fast time scales, which allows it to capture more realistic and detailed cascading scenarios. In this work, we outline the enhanced OPA model and provide simulation results to illustrate its feasibility with the realistic test network.
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Related Researcher
- Park, Byungkwon
- College of Engineering (School of Electrical Engineering)