Comparison of detection methods for power quality in micro-grid

2015 ◽  
Author(s):  
Wang Huihui ◽  
Wang Ping
Keyword(s):  
Power Quality ◽  
Detection Methods ◽  
Micro Grid

Wind and Solar Micro-Grid Including Energy Storare System

2013 ◽  
Vol 694-697 ◽  
pp. 838-841 ◽  
Author(s):  
Li Xia Lv ◽  
Yue Xia Jin
Keyword(s):  
Energy Storage ◽  
Wind Power ◽  
Power Quality ◽  
Solar Power ◽  
Storage System ◽  
Energy Storage System ◽  
Battery Storage ◽  
Source Current ◽  
Quality Stability ◽  
Micro Grid

In order to solve the problems which are caused by wind power and solar power on-grid, such as power quality, stability, reliability and so on, this paper proposes wind and solar micro-grid including energy storage system(ESS). The micro-grid uses two buses: AC bus and DC bus. Micro-source current is connected to the grid with the same inverter, which can reduce the micro-grid control difficulties. The energy storage system connected to the grid through the inverter could directly absorb energy from the grid. The DC side of the energy storage system using bidirectional DC / DC converter, which can keep the DC side of the battery storage stable.

Improvement of Power Quality for Microgrid using Fuzzy Based UPQC Controller

2015 ◽  
Vol 4 (2) ◽  
pp. 37
Author(s):  
Abdul Rasheed ◽  
G. Keshava Rao
Keyword(s):  
Fuzzy Logic ◽  
Power Systems ◽  
Power Quality ◽  
Fuzzy Logic Controller ◽  
Control Strategies ◽  
Renewable Energy Sources ◽  
Distributed Energy ◽  
Micro Grid ◽  
Hybrid Filters ◽  
Micro Grids

<p>Generally, the power systems are mainly effected by the continuous changes in operational requirement and increasing amount of distributed energy systems. This paper proposes a new concept of power-control strategies for a micro grid generation system for better transfer of power. The micro grids are obtained with the general renewable energy sources and this concept provides the maximum utilization of power at environmental free conditions with low losses; then the system efficiency is also improved. This paper proposes a single stage converter based micro grid to reduce the number of converters in an individual ac or dc grid. The proposed micro grid concept can work in both stand-alone mode and also in grid interfaced mode. The distortions that occur in power system due to changes in load or because of usage of non-linear loads, can be eliminated by using control strategies designed for shunt active hybrid filters such as series and shunt converters. A conventional Proportional Integral (PI) and Fuzzy Logic Controllers are used for power quality enhancement by reducing the distortions in the output power. The simulation results are compared among the two control strategies, that fuzzy logic controller and pi controller.</p>

Assessing The Power Quality In Micro-Grid Embedded with Renewable Energy

2019 ◽  
Author(s):  
G. M. Sharif Ullah Al-Mamun ◽  
Arpita Hoque ◽  
Md Shamim Rana ◽  
Sultan Ahmed ◽  
Md Imran Hossain ◽  
...  
Keyword(s):  
Renewable Energy ◽  
Power Quality ◽  
Micro Grid
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