Interconnection of Distributed Generation Resources to Three-phase Four-wire Grids using a Novel Control Technique

S  Sajjad Seyedalipour; Gevork B  Gharehpetian; Moslem Darvishi  and Habib Allah Aalami

doi:10.17485/ijst/2018/v11i30/94593

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Interconnection of Distributed Generation Resources to Three-phase Four-wire Grids using a Novel Control Technique

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2018/v11i30/94593

Year: 2018, Volume: 11, Issue: 30, Pages: 1-12

Original Article

Interconnection of Distributed Generation Resources to Three-phase Four-wire Grids using a Novel Control Technique

S. Sajjad Seyedalipour^1*, Gevork B. Gharehpetian² , Moslem Darvishi³ and Habib Allah Aalami⁴

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Objectives: Power electronic converters are usually utilized for interfacing Distributed Generation (DG) resources to power grids. This paper proposes a novel and simple control technique for connection of DG resources to Three-Phase Four-Wire (3P4W) distribution grids via interfaced converters. Methods: The differential equations of the DG system are established, and then the switching state functions of the grid-interfacing converter are achieved in order to improve the transient response of system and power quality of grid. Results: By means of the proposed approach, the grid-interfacing converter can transfer active power at main frequency from DG resources to grid, and also compensate all reactive, neutral, harmonic and unbalanced load current components with a fast transient waveform. Applications: The effectiveness of the proposed control technique is demonstrated by the simulation studies in MATLAB/Simaulink environment.

Keywords: Distributed Generation (DG), Grid-interfacing Converter, Power Quality, Three-phase Four-wire (3P4W) Distribution Grid