Seamless control of grid-tied PV-Hybrid Energy Storage System

Author:

Chankaya Mukul1ORCID,Hussain Ikhlaq2,Ahmad Aijaz1

Affiliation:

1. Department of Electrical Engineering , National Institute of Technology Srinagar, Srinagar , Jammu and Kashmir, 190006 , India

2. Department of Electrical Engineering , University of Kashmir , Srinagar , Jammu and Kashmir, 190006 , India

Abstract

Abstract This paper describes the normalized maximum correntropy criteria (NMCC) based seamless control of three-phase four-wire voltage source converter (VSC) for a grid-tied PV-Hybrid energy storage system (HESS). The micro-grid can operate in both islanded and grid-tied mode with seamless control. The seamless control facilitates the VSC control transition from grid current control (GCC) during grid-tied mode to voltage control during grid-isolated mode and back to GCC control with grid-resynchronized mode. The seamless control ensures the system stability and security of the personnel with reduces transients on the grid and load side of the system during the VSC control transition. The VSC is designed to fulfill the multi-objective including power quality enhancement, reactive power compensation, load balancing during unity power factor (UPF) operation. The VSC maintains the system stability during diverse dynamic conditions, inducing disturbances on grid side, load side and PV side of the system, i.e., Irradiation variation, unbalanced load, abnormal grid voltage, intentional islanding, specified power mode and grid-resynchronization. The hybrid energy storage system (HESS) consisting of lead-acid battery and ultra-capacitor (UC) further enhances the stability and disturbances handling capability of the grid-tied PV system. The functioning of the proposed system is found adequate as per IEEE 519 standards during steady and induced dynamic conditions.

Publisher

Walter de Gruyter GmbH

Subject

Energy Engineering and Power Technology

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