Optimal scheduling of an isolated wind-diesel-energy storage system considering fast frequency response and forecast error

Nhung Nguyen Hong, Yosuke Nakanishi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Nowadays, the hybrid wind–diesel system is widely used on small islands. However, the operation of these systems faces a major challenge in frequency control due to their small inertia. Furthermore, it is also difficult to maintain the power balance when both wind power and load are uncertain. To solve these problems, energy storage systems (ESS) are usually installed. This paper demonstrates the effectiveness of using ESS to provide Fast Frequency Response (FFR) to ensure that the frequency criteria are met after the sudden loss of a generator. An optimal day-ahead scheduling problem is implemented to simultaneously minimize the operating cost of the system, take full advantage of the available wind power, and ensure that the ESS has enough energy to provide FFR when the wind power and demand are uncertain. The optimization problem is formulated in terms of two-stage chance-constrained programming, and solved using a Modified Sample Average Approximation (MSAA) algorithm—a combination of the traditional Sample Average Approximation (SAA) algorithm and the k-means approach. The proposed method is tested with a realistic islanded power system, and the effects of the ESS size and its response time is analyzed. Results indicate that the proposed model should perform well under real-world conditions.

Original languageEnglish
Article number843
JournalEnergies
Volume12
Issue number5
DOIs
Publication statusPublished - 2019 Mar 4

Fingerprint

Optimal Scheduling
Energy Storage
Storage System
Frequency Response
Energy storage
Wind Power
Frequency response
Forecast
Scheduling
Sample Average Approximation
Wind power
Chance Constrained Programming
Wind Loads
K-means
Approximation algorithms
Hybrid systems
Operating costs
Hybrid Systems
Power System
Inertia

Keywords

  • Chance-constrained programming
  • Day-ahead scheduling
  • Energy storage system
  • Fast frequency response
  • Wind power

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Energy (miscellaneous)
  • Control and Optimization
  • Electrical and Electronic Engineering

Cite this

Optimal scheduling of an isolated wind-diesel-energy storage system considering fast frequency response and forecast error. / Hong, Nhung Nguyen; Nakanishi, Yosuke.

In: Energies, Vol. 12, No. 5, 843, 04.03.2019.

Research output: Contribution to journalArticle

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