Two-Battery HEECS Inverter with over 99.7% Efficiency at 2.2kW Output and Measurement Accuracy Based on Loss Breakdown
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- Kawamura Atsuo
- Department of Electrical and Computer Engineering, Yokohama National University
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- Nakazaki Satoshi
- Department of Electrical and Computer Engineering, Yokohama National University
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- Ito Shogo
- Department of Electrical and Computer Engineering, Yokohama National University
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- Nagai Sakahisa
- Graduate School of Frontier Science, The University of Tokyo
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- Obara Hidemine
- Department of Electrical and Computer Engineering, Yokohama National University
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Abstract
<p>A DC-AC conversion efficiency of over 99.7% is experimentally measured using a two battery high efficiency energy conversion system (HEECS) inverter. The accuracy of the efficiency measurement is evaluated by two methods: the direct measurement method and the loss breakdown method. After several measurements, calculations and analyses it is concluded that the measurement error based on the loss breakdown method is 0.04%.</p>
Journal
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- IEEJ Journal of Industry Applications
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IEEJ Journal of Industry Applications 9 (6), 663-673, 2020-11-01
The Institute of Electrical Engineers of Japan