DOI:10.35833/MPCE.2020.000868 |
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Power-balancing Coordinated Control of Wind Power and Demand-side Response Under Post-fault Condition |
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Net amount: 448 |
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Author:
Tian Xinshou1,2, Chi Yongning3, Liu Chao3, Cheng Peng4, Li Yan3
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Author Affiliation:
1.China Electric Power Research Institute, Beijing 100192, China 2. North China Electric Power University, Beijing 102206, China 3.State Key Laboratory of Operation and Control of Renewable Energy & Storage Systems (China Electric Power Research Institute), Beijing 100192, China 4.China Institute of Energy and Transportation Integrated Development, North China Electric Power University, Beijing 102206, China
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Foundation: |
This work was supported in part by the National Natural Science Foundation of China (No. 52007174). |
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Abstract: |
As the global energy transforms to renewable-based power system, the wind power generation has experienced a rapid increase. Due to the loss of synchronous machines and its frequency control mechanisms, the gradual evolution leads to critical challenges in maintaining the frequency stability. Under post-fault condition, the wind power generation has a slow recovery due to the fault ride-through (FRT) control strategy and may cause a larger frequency deviation due to the power imbalance between the supply and demand. Then, the impacts of the frequency deviations would further cause inaccuracy and instability in the control system for wind power generation. Considering the long parking time of electric vehicles (EVs), the demand-side response is provided to support the power grid via load-to-grid technology. Thus, a power-balancing coordinated control strategy of the wind power and the demand-side response is developed. It can significantly mitigate the power imbalance, thereby resulting in the enhanced frequency stability. Finally, the simulation results are provided to validate the power-balancing coordinated control strategy. |
Keywords: |
Power-balancing ; wind power ; demand-side response ; frequency stability ; post-fault condition |
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Received:December 14, 2020
Online Time:2022/09/24 |
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