公开(公告)号：US09231494B2

公开(公告)日：2016-01-05

申请号：US14322188

申请日：2014-07-02

申请人： CENTRAL JAPAN RAILWAY COMPANY ,  FUJI ELECTRIC CO., LTD.

发明人： Tadashi Sawada ,  Toshiaki Murai ,  Yoshiyasu Hagiwara ,  Masayuki Tobikawa ,  Ayako Saga ,  Tomotaka Nishijima ,  Toshiya Kaneko

IPC分类号： H02M7/5388 ,  H02M7/219 ,  H02J5/00 ,  H02M1/42

CPC分类号： H02M7/219 ,  H02J5/005 ,  H02J50/12 ,  H02M1/42 ,  H02M1/4258 ,  H02M7/5388 ,  Y02B70/1441

摘要： In a power supply device, the bridge circuit including a plurality of switching arms which is an inverse-parallel circuit of a semiconductor switch and a diode. The power supply device includes a control unit. The control unit switches the semiconductor switch such that a voltage v between AC terminals becomes a positive-negative voltage whose peak value is the voltage Vo between the DC terminals only during prescribed time periods before and after a point that has deviated from each zero crossing point ZCP of a current i by a prescribed compensation period φ and such that the voltage v between the AC terminals becomes a zero voltage during the other time periods, and sets the compensation period φ such that a time period during which the voltage v between the AC terminals becomes a zero voltage is the shortest.

摘要翻译： 在电源装置中，桥式电路包括多个开关臂，它们是半导体开关和二极管的反并联电路。 电源装置包括控制单元。 控制单元切换半导体开关，使得AC端子之间的电压v成为正负电压，其峰值仅在直接端子之间的电压Vo仅在偏离每个过零点的点之前和之后的规定时间段期间 电流i的ZCP在规定的补偿周期＆phgr 并且使得在其他时间段期间，AC端子之间的电压v变为零电压，并且设置补偿周期＆phgr; 使得AC端子之间的电压v变为零电压的时间段是最短的。