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Improving DFIG performance under fault scenarios through evolutionary reinforcement learning based control

Journal Article · · IET Generation, Transmission, & Distribution
DOI:https://doi.org/10.1049/gtd2.12563· OSTI ID:1887238
 [1];  [1];  [2];  [3];  [3];  [4];  [3];  [1]
  1. Univ. of Denver, CO (United States)
  2. Shanghai Jiao Tong Univ. (China)
  3. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
  4. Univ. of Nebraska, Lincoln, NE (United States)

The double-fed induction generator (DFIG) usually experiences high rotor current and DC capacitor link voltage during system fault events. In this paper, a novel data-driven approach is proposed to enhance the DFIG performance under fault scenarios. An advanced reinforcement learning (RL) algorithm called guided surrogate-gradient-based evolution strategy (GSES) is used to control the DFIG power and capacitor DClink voltage by adjusting the optional reference signals. This controller is able to prevent the rotor of DFIG from overcurrent risk and maintain the grid-connected operation. The proposed GSES-based control algorithm was evaluated through simulations on a 3.6-MW DFIG in PSCAD/EMTDC software. Results have validated the effectiveness of the proposed GSESbased control algorithm in improving the DFIG performance under fault scenarios.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE Office of Electricity (OE)
Grant/Contract Number:
AC05-76RL01830
OSTI ID:
1887238
Report Number(s):
PNNL-SA-172973
Journal Information:
IET Generation, Transmission, & Distribution, Journal Name: IET Generation, Transmission, & Distribution Journal Issue: 19 Vol. 16; ISSN 1751-8687
Publisher:
Institution of Engineering and Technology (IET)Copyright Statement
Country of Publication:
United States
Language:
English

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