High-Power Solar Inverter Efficiency Measurements by Calorimetric and Electric Methods

被引：35
作者：
Aarniovuori, Lassi [1 ]
Kosonen, Antti [1 ]
Sillanpaa, Pekka [2 ]
Niemela, Markku [1 ]
机构：
[1] Lappeenranta Univ Technol, Dept Elect Engn, Inst Energy Technol, FI-53851 Lappeenranta, Finland
[2] Tampere Univ Technol, Dept Elect Energy Engn, FI-33720 Tampere, Finland
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2013年 / 28卷 / 06期
关键词：
Calorimetry; converters; efficiency; measurement; photovoltaic (PV); SYSTEM; OUTPUT;
D O I：
10.1109/TPEL.2012.2221166
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, the results of a European efficiency measurement for a 250-kW high-efficiency grid-connected solar inverter are presented. The efficiency measurements are performed both by electrical input-output and calorimetric methods. Two measurement series with input voltage levels of 500 and 750 VDC are carried out. An open- and balance-type calorimeter system that can measure power losses up to 30 kW is introduced and verified by resistor tests. The measurement results and their uncertainty are analyzed and discussed.
引用
收藏
页码：2798 / 2805
页数：8
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