An Improved Droop Controller for Three-phase Multi-junction Inverters in the Micro-grid

2018 ◽  
Author(s):  
Guangyu Sun ◽  
Yongli Li ◽  
Wei Jin ◽  
Yan Gao
Keyword(s):  
Three Phase ◽  
Micro Grid

Micro-grid System Modeling Efforts using PQ-Control for Single-phase and Three-phase Inverter

2018 ◽  
Author(s):  
Gina Munoz Quintero ◽  
Yaswanth Reddy Challapuram ◽  
Argenis Bilbao ◽  
Stephen B. Bayne ◽  
Anitha Sarah Subburaj ◽  
...  
Keyword(s):  
Single Phase ◽  
System Modeling ◽  
Grid System ◽  
Phase Inverter ◽  
Three Phase ◽  
Micro Grid ◽  
Three Phase Inverter

A Calculation Method for Three-Phase Power Flow in Micro-Grid Based on Smooth Function

2020 ◽  
Vol 35 (6) ◽  
pp. 4896-4903
Author(s):  
Yuntao Ju ◽  
Jiankai Wang ◽  
Zifeng Zhang ◽  
Yan Huang ◽  
Yi Lin
Keyword(s):  
Calculation Method ◽  
Smooth Function ◽  
Power Flow ◽  
Three Phase ◽  
Micro Grid ◽  
Grid Based

A Control Strategy with Series-Parallel Inverter for Micro-Grid Operation

2014 ◽  
Vol 1044-1045 ◽  
pp. 677-680
Author(s):  
Gui Ying Liu ◽  
Yong Guang Gui ◽  
Shi Ping Su ◽  
Qian Luo ◽  
Jiang Wu ◽  
...  
Keyword(s):  
Control Strategy ◽  
Control Method ◽  
Operation Mode ◽  
Droop Control ◽  
Three Phase ◽  
Islanding Operation ◽  
Integral Controller ◽  
Micro Grid ◽  
Grid Operation ◽  
Parallel Inverter

For the different operation mode of micro-grid, an improved droop control method and a parallel inverter was proposed depending on the study of micro-grid inverter. Grid-connected interface contains a series inverter and a parallel inverter, and can be switched to select different work mode. The parallel inverter can eliminate harmonic, compensate three-phase imbalanced current to improve the quality of the power delivered to the utility grid. In islanding operation mode, the improved droop control strategy was applied, where an integral controller was introduced. So it can reduce the inverter output voltage amplitude. Thereby it can restrain circulation and realize the power of self-distribution. The effectiveness and feasibility are verified by the simulation result.

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