Unbalanced voltage sag correction with dynamic voltage restorer using particle swarm optimization

2008 ◽  
Author(s):  
D. J. R. S. S. Kumar ◽  
S. Sasitharan ◽  
Mahesh K. Mishra ◽  
B. Kalyan Kumar
Keyword(s):  
Particle Swarm Optimization ◽  
Particle Swarm ◽  
Voltage Sag ◽  
Swarm Optimization ◽  
Dynamic Voltage Restorer ◽  
Voltage Restorer ◽  
Unbalanced Voltage ◽  
Dynamic Voltage

Mitigation of Unbalanced Voltage Sag/Swells Using Dynamic Voltage Restorer Based on Super Capacitor

2015 ◽  
Vol 2 (4) ◽  
pp. 1-6
Author(s):  
K. Venkateswarlu ◽  
◽  
B. Ashwin Kumar ◽  
N. Srinivas ◽  
V. Mallikarjuna Rao ◽  
...  
Keyword(s):  
Voltage Sag ◽  
Super Capacitor ◽  
Dynamic Voltage Restorer ◽  
Voltage Restorer ◽  
Unbalanced Voltage ◽  
Dynamic Voltage

An Optimum UPQC with Minimum VA Requirement and Mitigation of Unbalanced Voltage Sag

2005 ◽  
Vol 2 (2) ◽  
Author(s):  
Y. Y. Kolhatkar ◽  
S. P. Das
Keyword(s):  
Active Power ◽  
Voltage Sag ◽  
Dynamic Voltage Restorer ◽  
Active Power Filters ◽  
Power Filters ◽  
Voltage Restorer ◽  
Unbalanced Voltage ◽  
Dynamic Voltage ◽  
Simulation Results ◽  
Power Quality Conditioner

The paper deals with an optimized Unified Power Quality Conditioner (UPQC), which aims at the integration of series active and shunt active power filters with minimum VA loading of the UPQC. The series active filter is a Dynamic Voltage Restorer (DVR), which is operated in twofold functioning mode. During the unbalanced voltage sag, the DVR compensates the unbalance in the voltage sag. It also regulates the voltage at the load end with minimum VA loading of the overall UPQC by optimum angle voltage injection. Validity of the proposed scheme is proved through extensive simulation results.

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