Abstract
An effective control method for a three-phase quasi-Z-source cascade multilevel inverter (qZS-CMI) based grid-tie photovoltaic (PV) power system is proposed. The control scheme achieves distributed maximum power point tracking (MPPT) and independent dc-link voltage balance for all quasi-Z-source H-bridge inverter (qZS-HBI) based PV modules, and balanced three-phase grid-injected power for the qZS-CMI based PV system. A system-level modeling, which can be used to design the controllers, is also disclosed. Simulation and experiment are carried out on a 7-level qZS-CMI based PV system to validate the proposed scheme.
| Original language | English |
|---|---|
| Title of host publication | APEC 2014 - 29th Annual IEEE Applied Power Electronics Conference and Exposition |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 1733-1737 |
| Number of pages | 5 |
| ISBN (Print) | 9781479923250 |
| DOIs | |
| State | Published - 2014 |
| Externally published | Yes |
| Event | 29th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2014 - Fort Worth, TX, United States Duration: 16 Mar 2014 → 20 Mar 2014 |
Publication series
| Name | Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC |
|---|
Conference
| Conference | 29th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2014 |
|---|---|
| Country/Territory | United States |
| City | Fort Worth, TX |
| Period | 16/03/14 → 20/03/14 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Quasi-Z-source inverter
- cascade multilevel inverter
- photovoltaic power system
- three-phase grid-tie synchronization
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