<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This paper presents the shunt compensation performance of quasi-Z-source inverter (QZSI) and back to back connected QZSIs (BB-QZSI) to address the power quality (PQ) issues in the three-phase three-wire power utility network (PUN). Generally, these PQ issues are poor voltage regulation, low power factor (PF), source current distortion, unbalanced voltage, etc. The proposed BBQZSI-based distribution static compensator (DSTATCOM) consists of two QZSIs with a common dc-link capacitor. Because the QZSI could achieve buck/boost conversion as well as DC to AC inversion in a single-stage and the back to back configuration decreases the system down time cost (if a fault occurs in one QZSI the other can continue the shunt compensation). Particularly, <italic>icos ϕ</italic> control algorithmcontrol algorithm is implemented to generate proper switching pulses for the switches of DSTATCOM. The effectiveness of the BB-QZSI is verified through simulation studies over QZSI using MATLAB/Simulink software satisfying the recommended grid code.</p>
</abstract>

This paper presents the shunt compensation performance of quasi-Z-source inverter (QZSI) and back to back connected QZSIs (BB-QZSI) to address the power quality (PQ) issues in the three-phase three-wire power utility network (PUN). Generally, these PQ issues are poor voltage regulation, low power factor (PF), source current distortion, unbalanced voltage, etc. The proposed BBQZSI-based distribution static compensator (DSTATCOM) consists of two QZSIs with a common dc-link capacitor. Because the QZSI could achieve buck/boost conversion as well as DC to AC inversion in a single-stage and the back to back configuration decreases the system down time cost (if a fault occurs in one QZSI the other can continue the shunt compensation). Particularly, icos ϕ control algorithmcontrol algorithm is implemented to generate proper switching pulses for the switches of DSTATCOM. The effectiveness of the BB-QZSI is verified through simulation studies over QZSI using MATLAB/Simulink software satisfying the recommended grid code.

Performance Evaluation of BB-QZSI-Based DSTATCOMUnder Dynamic Load Condition

Department of Electrical & Electronics Engineering

Odisha University of Technology and Research

Power Electronics and Drives

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Performance Evaluation of BB-QZSI-Based DSTATCOMUnder Dynamic Load Condition"}

This paper presents the shunt compensation performance of quasi-Z-source inverter (QZSI) and back to back connected QZSIs (BB-QZSI) to address the power...

Performance Evaluation of BB-QZSI-Based DSTATCOMUnder Dynamic Load Condition

Publicado en línea: 31 mar 2022

Páginas: 43 - 55

Recibido: 21 ene 2022

Aceptado: 09 mar 2022

DOI: https://doi.org/10.2478/pead-2022-0004

Palabras clave
BB-QZSI, DSTATCOM, icos ϕ control algorithm, PUN

© 2022 Mrutyunjaya Mangaraj et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Performance Evaluation of BB-QZSI-Based DSTATCOMUnder Dynamic Load Condition

Publicado en línea: 31 mar 2022

Páginas: 43 - 55

Recibido: 21 ene 2022

Aceptado: 09 mar 2022

DOI: https://doi.org/10.2478/pead-2022-0004

Palabras claveBB-QZSI, DSTATCOM, icos ϕ control algorithm, PUN

© 2022 Mrutyunjaya Mangaraj et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Palabras clave
BB-QZSI, DSTATCOM, icos ϕ control algorithm, PUN