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Low computational burden grid voltage estimation for grid connected voltage source converter-based power applications
This study presents a simple and efficient approach for grid voltage estimation based on the converter equations in the stationary reference frame. The proposed technique is adopted for the sensorless operation of the voltage source converter...
High-Order Filter Design for High-Power Voltage-Source Converters
This paper proposes an analytical design procedure for the LLCL and the LCCL filters for grid integration of high-power voltage-source converters. The low switching frequency and stringent limits on grid-injected harmonics in high-power applications...
Adaptive predictive voltage control of three-phase PWM-VSCs in UPS applications
In this study, adaptive predictive voltage control of three phase pulse-width modulated voltage source converter for uninterruptible power supply application is investigated. In recent years, predictive control strategies have attracted considerable...
Stability Analysis and Robust Design of LCL With Multituned Traps Filter for Grid-Connected Converters
Utilizing high-order passive filters for the voltage-source converters is becoming attractive in industrial applications due to the excellent attenuation performance, smaller size, and lower cost. The LCL, the multituned traps, and recently...
Instantaneous grid voltage estimation based on the Newton-Raphson optimization for grid connected VSC applications
This paper presents a proportional-resonant current control scheme for three-phase grid connected voltage source converters (VSCs) which does not require ac side voltage sensors. In the proposed method, a non-linear model is derived for the grid...