Reliability Analysis of a 3-leg 4-wire Inverter under Unbalanced Loads and Harmonic Injection

被引：0
|
作者：
Lledo-Ponsati, Tomas [1 ]
Bahman, Amir Sajjad [2 ]
Jannuzzo, Francesco [2 ]
Montesinos-Miracle, Daniel [1 ]
Galceran Arellano, Samuel [1 ]
机构：
[1] UPC, CITCEA, Barcelona, Spain
[2] Aalborg Univ, Ctr Reliable Power Elect CORPE, Aalborg, Denmark
来源：
2019 IEEE 20TH WORKSHOP ON CONTROL AND MODELING FOR POWER ELECTRONICS (COMPEL) | 2019年
关键词：
power converter control; power converter topologies; reliability; system level; PV-INVERTER; POWER; CONVERTERS; CAPACITORS; DESIGN;
D O I：
10.1109/compel.2019.8769662
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents a reliability analysis of a three-leg four-wire inverter used to emulate non-linear loads. The converter under study can control the current per phase independently up to a maximum frequency of 650 Hz. A reliability analysis of the converter is carried out analyzing the effect of unbalanced loads and harmonic injection in the reliability of the semiconductors and capacitors. The results obtained show a faster degradation with the scenarios presented. The effect of the harmonics on the lifetime of the semiconductors is relevant and shall be considered in systems with high harmonic content. Regarding the capacitors both the harmonics and unbalanced loads reduce the lifetime estimation.
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页数：8
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