Frequency regularization of a linked wind–diesel system using dual structure fuzzy with ultra-capacitor

Gulshan Sharma; K. Narayanan; T. Adefarati; Sachin Sharma

doi:10.1186/s41601-022-00233-2

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Frequency regularization of a linked wind–diesel system using dual structure fuzzy with ultra-capacitor

Original Research | 更新时间：2026-09-30

- Frequency regularization of a linked wind–diesel system using dual structure fuzzy with ultra-capacitor
- Protection and Control of Modern Power Systems Vol. 7, Issue 1, Pages: 1-9(2022)
- 作者机构：
  
  1. Department of Electrical Engineering Technology, University of Johannesburg, Johannesburg, South Africa
  2. Department of Electrical and Electronics Engineering, SASTRA DEEMED UNIVERSITY, Thanjavur,India
  3. Department of Electrical and Electronic Engineering, Federal University Oye Ekiti, Oye Ekiti,Nigeria
  4. Department of Electrical Engineering, Graphic Era (Deemed to be University), Dehradun,India
- 作者简介：
- 基金信息：
- DOI：10.1186/s41601-022-00233-2
  CLC：
- Published：01 January 2022
- 稿件说明：
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Gulshan Sharma, K. Narayanan, T. Adefarati, et al. Frequency regularization of a linked wind–diesel system using dual structure fuzzy with ultra-capacitor[J]. Protection and Control of Modern Power Systems, 2022, 7(1): 1-9.
DOI：

Gulshan Sharma, K. Narayanan, T. Adefarati, et al. Frequency regularization of a linked wind–diesel system using dual structure fuzzy with ultra-capacitor[J]. Protection and Control of Modern Power Systems, 2022, 7(1): 1-9. DOI： 10.1186/s41601-022-00233-2.

摘要

Microgrids (µ-grids) are gaining increased interest around the world for supplying cheap and clean energy. In this paper

a µ-grid comprising a wind turbine generator (WTG) and diesel generator (DG) is considered. It is one of most practical and demanding systems suitable for the present energy crisis in isolated or rural areas. However

wind energy is intermittent in nature while load demand changes frequently. Therefore

a µ-grid can experience large frequency and power fluctuations. The speed governor of the DG tries to minimize the frequency and power deviations in µ-grid though its operation is slow and cannot adequately minimize system deviations. The paper proposes a novel arrangement based on a dual structured fuzzy (DSF) whose structure changes according to the switching limit with a reduced rule base. It has the capability to switch between proportional and integral actions and hence improves the frequency regularization of the µ-grid. The proposed strategy is tested in a µ-grid and the results considering step load alteration

load alteration at different instants of time

nonstop changing load request are compared with some of the well published methods to validate the effectiveness and simplicity of the present design. In addition

it shows that ultra-capacitor establishment in a µ-grid has a positive impact in minimizing system deviations with DSF for the studied cases.

Abstract

Microgrids (μ-grids) are gaining increased interest around the world for supplying cheap and clean energy. In this paper

a μ-grid comprising a wind turbine generator (WTG) and diesel generator (DG) is considered. It is one of most practical and demanding systems suitable for the present energy crisis in isolated or rural areas. However

wind energy is intermittent in nature while load demand changes frequently. Therefore

a µ-grid can experience large frequency and power fluctuations. The speed governor of the DG tries to minimize the frequency and power deviations in µ-grid though its operation is slow and cannot adequately minimize system deviations. The paper proposes a novel arrangement based on a dual structured fuzzy (DSF) whose structure changes according to the switching limit with a reduced rule base. It has the capability to switch between proportional and integral actions and hence improves the frequency regularization of the μ-grid. The proposed strategy is tested in a μ-grid and the results considering step load alteration

load alteration at different instants of time

nonstop changing load request are compared with some of the well published methods to validate the effectiveness and simplicity of the present design. In addition

it shows that ultra-capacitor establishment in a μ-grid has a positive impact in minimizing system deviations with DSF for the studied cases.

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