A Novel Frequency Tracker for Islanded-Mode Operation in Microgrid

A Control Strategy for Flywheel Energy Storage System for Frequency Stability Improvement in Islanded Microgrid

The Micro-Grid (MG) stability is a significant issue that must be maintained in all operational modes. Usually, two control strategies can be applied to MG; V/f control and PQ control strategies. MGs with V/f control strategy should have some Distributed Generators (DGs) which have fast responses versus load changes. The Flywheel Energy Storage System (FESS) has this characteristic. The FESS, w...

A Cyber-Physical Security Analysis of Synchronous-Islanded Microgrid Operation

Power Management in Microgrid: Analysis in Grid Connected and Islanded Mode of Operation

Received Sep 4, 2017 Revised Oct 21, 2017 Accepted Nov 18, 2017 This paper presents an investigation about the impact of integrating renewable energy based generation sources on the existing distribution system in terms of load sharing. The study of load sharing among various distributed generators (DGs) and utility grid has been performed for two cases: (a) when equivalent source based DG is c...

Real-Time Frequency and Voltage Control of an Islanded Mode Microgrid

In this paper, we investigated the necessity and effects of optimal control methods in the stability and performance of a micro-grid that operates in islanded mode. The micro-gird is consisted of a combine heat and power (CHP), a capacitor bank (CB), photovoltaic panel (PV) as power generation sources. In addition, battery and the building electricity and thermal load are placed on the load sid...

Decentralized Frequency Restoration in Islanded Converter Base Microgrid

Variation of frequency and voltage by load changes in a microgrid is a challenge in droop control method. Centralized restoration frequency or voltage in a microgrid requires communication link and therefore affects the advantage of decentralized droop control such as reliability, simplicity and inexpensiveness. This paper proposes a decentralized method that restores the frequency of a microgr...