期刊
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
卷 40, 期 5, 页码 1281-1286出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIA.2004.834110
关键词
cable models; 400-Hz power supply; ground power units (GPUs); identification; uninterruptible power supply (UPS)
In this paper a new cable voltage drop compensation scheme for ground power units (GPUs) is presented. The scheme is able to predict and compensate the voltage drop in an output cable by measuring the current quantities at the source.,The prediction is based on an advanced cable model that includes self- and mutual impedance parameters. The model predicts the voltage drop at both symmetrical and unbalanced loads. In order to determine the cable model parameters an automatic identification concept is derived. The concept is tested in full scale on a 90-kVA 400-Hz GPU with two different cables. It is concluded that the performance is significantly improved both with symmetrical and unsymmetrical cables and with balanced and unbalanced loads.
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