Determining Optimal Operating Reserves Toward Wind Power Penetration in Indonesia Based on Hybrid Artificial Intelligence

Dhany Harmeidy Barus, Rinaldy Dalimi

Research output: Contribution to journalArticlepeer-review

Abstract

The stability and economic level of the power system operation during the penetration of Wind Power Plants (WPPs) are much determined by the variability and uncertainty of the wind power output. The characteristics of seasonal wind power output can be used to define the optimal operating reserves of a stable and cost-effective power system operation. This paper proposes a comprehensive algorithm of hybrid Artificial Intelligence (AI) approach that combines the Seasonal Autoregressive Integrated Moving Average (SARIMA) and selected Neural Network Variants (NNVs) in Seasonal Daily Variability and Uncertainty (SDVU) scheme. Among all NNVs, Long Short-Term Memory (LSTM) shows the most consistent and accurate results. With the hybrid AI approach, this algorithm calculates the Dynamic Confidence Level (DCL) to determine hourly operating reserves on a daily basis. The proposed algorithm has been successfully tested using historical data of real-world WPPs that operated in Indonesia. Furthermore, the comparison toward non-seasonal with a Static Confidence Level (SCL) in several percentile scenarios is made to prove the cost-effectiveness advantages of this new algorithm that may save up to 4.2% of total daily energy consumption. An interface application is added so that the results of this research can be directly utilized by users both on the observed power system and generally in Indonesia.

Original languageEnglish
Pages (from-to)165173-165183
Number of pages11
JournalIEEE Access
Volume9
DOIs
Publication statusPublished - 2021

Keywords

  • Dynamic confidence level
  • neural network
  • operating reserve
  • SARIMA
  • wind power

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