Thermal Performance Evaluation of 1500-VDC Photovoltaic Inverters Under Constant Power Generation Operation

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Abstrakt

The technology shift from 1000-V to 1500-V DC voltage can reduce the installation cost of Photovoltaic (PV) systems to a large extent. However, the increased DC-link voltage also imposes a challenge to PV inverters, and thus, it requires careful consideration in the design phase and the control in operation. In this context, this paper evaluates the thermal performance of two-level and three-level 1500-VDC single-stage PV inverters under constant power generation (CPG) operation. A 160-kW PV system and its operating conditions have been defined for comparison. Three IGBT modules from a leading manufacturer have been selected for different inverter topologies. The thermal performance evaluation of the 1500-VDC PV inverters under CPG operation conditions has been carried out through PLECS modeling. This evaluation can be used for topology and component selection of 1500-VDC PV inverters and improving their operation with better thermal performance.
OriginalsprogEngelsk
TitelProceedings of 2019 IEEE Conference on Power Electronics and Renewable Energy (CPERE)
Antal sider5
Udgivelses stedAswan City, Egypt
ForlagIEEE Press
Publikationsdatookt. 2019
DOI
StatusUdgivet - okt. 2019
Begivenhed2019 IEEE Conference on Power Electronics and Renewable Energy (CPERE) - Aswan City, Egypten
Varighed: 23 okt. 201925 okt. 2019

Konference

Konference2019 IEEE Conference on Power Electronics and Renewable Energy (CPERE)
LandEgypten
By Aswan City
Periode23/10/201925/10/2019

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