MAGNETIC CHARACTERISTICS MEASURING APPARATUS, MAGNETIC CHARACTERISTICS MEASURING METHOD, AND PROGRAM

PROBLEM TO BE SOLVED: To provide a magnetic characteristics measuring apparatus for facilitating comparative evaluation of magnetic characteristics excited by an output voltage from a PWM (Pulse Width Modulation) inverter, a magnetic characteristics measuring method, and a program.SOLUTION: A PWM in...

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Bibliographische Detailangaben
1. Verfasser:	WAJIMA KIYOSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a magnetic characteristics measuring apparatus for facilitating comparative evaluation of magnetic characteristics excited by an output voltage from a PWM (Pulse Width Modulation) inverter, a magnetic characteristics measuring method, and a program.SOLUTION: A PWM inverter is controlled such that the time waveform of a magnetic flux density in a magnetic material generated in the PWM inverter becomes a sinusoidal wave by a PWM inverter 200 for generating an excitation voltage by PWM control with a target excitation voltage being a modulation wave and a magnetic characteristics measuring apparatus 600 for measuring magnetic characteristics in a magnetic material S.SELECTED DRAWING: Figure 1 【課題】ＰＷＭ（ＰｕｌｓｅＷｉｄｔｈＭｏｄｕｌａｔｉｏｎ）インバータからの出力電圧で励磁された磁気特性の比較評価を容易に行えるようにする磁気特性測定装置、磁気特性測定方法、およびプログラムを提供する。【解決手段】目標励磁電圧を変調波としてＰＷＭ制御により励磁電圧を生成するＰＷＭインバータ２００と、磁性材料Ｓにおける磁気特性を測定する磁気特性測定装置６００により、ＰＷＭインバータで生成された磁性材料における磁束密度の時間波形が正弦波になるように、ＰＷＭインバータを制御する。【選択図】図１