Power quality improvement in a grid connected voltage source inverter using the concept of virtual synchronous machine

2015 ◽  
Author(s):  
Conrado Fleck dos Santos ◽  
Felipe Bovolini Grigoletto ◽  
Marcio Stefanello
Keyword(s):  
Quality Improvement ◽  
Power Quality ◽  
Synchronous Machine ◽  
Voltage Source ◽  
Voltage Source Inverter ◽  
Power Quality Improvement ◽  
Virtual Synchronous Machine

Design of Filters for Power Quality Improvement in Microgrids

2014 ◽  
Vol 573 ◽  
pp. 673-678
Author(s):  
Smrithi Vijayan ◽  
Nallaperumal Chellammal ◽  
Tatipamula Mohana
Keyword(s):  
Quality Improvement ◽  
Power Quality ◽  
Voltage Source ◽  
Quality Enhancement ◽  
Negative Sequence ◽  
Voltage Source Inverters ◽  
Power Quality Improvement ◽  
The Stability

This paper deals with the design of filters for power quality enhancement in microgrid. The voltage source inverters (VSI) fed from microgrid requires filter across them to detect the unbalance and harmonics in the system. The performances of various filters are compared and the improved negative sequence filter is found out to be the best solution. The stability of these filters are also studied and simulations are carried out to validate the results.

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