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A Model Coupling Current Non-adjustable, Coming Adjustable and Remaining Stages for Daily Generation Scheduling of a Wind-solar-hydro Complementary System by Kangdi Huang; Pan Liu; Jong-Suk Kim; Weifeng Xu; Yu Gong; Qian Cheng; Yong Zhou is a Engineering article available to read on EtoBox.

What is A Model Coupling Current Non-adjustable, Coming Adjustable and Remaining Stages for Daily Generation Scheduling of a Wind-solar-hydro Complementary System about?

To formulate the daily generation scheduling of a wind-solar-hydro complementary system (WSHCS), the hourly forecasts of the reservoir inflow, wind speed, and sunlight intensity within a day and their longer prediction can be used to assess the benefit of the day-ahead and remaining stages, respectively. Thus, the current two-stage model coupling these forecasts can efficiently maximize the total benefits of day-ahead and remaining stages. However, the two-stage model does not consider the significant difference between non-adjustable and adjustable periods for hydropower. Namely, the hydro unit commitment should be decided in the current stage (non-adjustable period), and it can be adjusted in the coming stage (adjustable period). To address this issue, a three-stage model, including the day-ahead non-adjustable stage, the day-ahead adjustable stage, and the remaining period stage, is proposed to formulate a daily generation scheduling of the WSHCS. The Guandi wind-solar-hydro hybrid power plant on China's Yalong River is selected as a case study. Results show that compared with the two-stage model, the proposed three-stage operation model can increase the average energy productio

Who reads A Model Coupling Current Non-adjustable, Coming Adjustable and Remaining Stages for Daily Generation Scheduling of a Wind-solar-hydro Complementary System?

Author

Kangdi Huang; Pan Liu; Jong-Suk Kim; Weifeng Xu; Yu Gong; Qian Cheng; Yong Zhou

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)