変圧器の偏磁を考慮した逆変換装置の近似解析法
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概要
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It is difficult to analyze the characteristics of inverter which transformer is asymmetrically magnetized, because magnetizing characteristics of inverter transformer are nonlinear and input current to DC winding of inverter transformer is interrupted one. Then we tried to linearize these nonlinear elements in this paper. To the former we adopted the equivalent admittance as a function of the asymmetrical magnetization and to the latter we expressed the interrupted current as the sum of step current with a constant lag time. As the results of these linearizations, it is possible to use the law of superposition instead of step by step method and allalysis becomes simple. Next we calculated the output voltage waveforms of inverter at steady state using linearized method and compared these with expermental ones of 10KW inverter. Comparison of the expermental waveforms with calculated ones showed that the linearized method discussed in this paper expressed asymmetrical magnetization characteristics of inverter transformer very well.
- 長崎大学工学部の論文
長崎大学工学部 | 論文
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