Journal of Shandong University(Engineering Science) ›› 2021, Vol. 51 ›› Issue (5): 53-62.doi: 10.6040/j.issn.1672-3961.0.2020.287

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Review and prospect of renewable energy ramp events

Xueshan HAN(),Xinyi WANG,Ming YANG*(),Yixiao YU   

  1. Key Laboratory of Power System Intelligent Dispatch and Control of Ministry of Education (Shandong University), Jinan 250061, Shandong, China
  • Received:2020-07-13 Online:2021-10-20 Published:2021-09-29
  • Contact: Ming YANG E-mail:xshan@sdu.edu.cn;myang@sdu.edu.cn

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Abstract:

This article elaborated the wind and solar power ramp events from the three levels: the definition, prediction method and control strategy. The common definitions of wind and solar ramp were listed, and their advantages and disadvantages were analyzed in turn. It summarized the current mainstream prediction methods of ramp events, which were divided into direct method and indirect method according to whether the power prediction results were used, and the commonly used evaluation indicators were evaluated. It elaborated the current commonly used methods of control strategy, taking energy storage participation as a division, it was divided into finite control strategy without energy storage participation and infinite control strategy with energy storage participation. The current research problems and key research directions in the future were summarized and prospected.

Key words: wind power ramp event, solar power ramp event, ramp forecasting, finite control strategy, energy storage control

CLC Number: 

  • TM71

Fig.1

Ramp event"

Fig.2

Prediction method of ramp events"

Fig.3

Direct prediction of ramp events"

Fig.4

Indirect prediction of ramp events"

Table 1

Judgement for forecast result of ramp events"

类型 事件观测真 事件观测假 总计
事件预测真 TP FP 预测真
事件预测假 FN TN 预测假
总计 观测真 观测假

Fig.5

Stage control of ramp events"

Fig.6

Flow chart of coordination control based on game strategy"

Fig.7

Control model based on prediction-online optimization-feedback"

Fig.8

Control strategy with wind/solar-storage"

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