公开(公告)号：US5907483A

公开(公告)日：1999-05-25

申请号：US69142

申请日：1998-04-29

申请人： Naotaka Iio ,  Hajime Yamamoto

发明人： Naotaka Iio ,  Hajime Yamamoto

IPC分类号： H02M7/162 ,  H02H7/122 ,  H02H7/00 ,  H02M3/24 ,  H02M7/5387

CPC分类号： H02M7/1623

摘要： A control system for a power conversion system, composed of at least one voltage source type converter and a transformer. The control system includes, a circuit for detecting line-to-line voltages of an AC power source, an instantaneous phase detecting circuit for detecting instantaneously a phase angle of a phase voltage of the AC power source based on the line-to-line voltages of the AC power source, a circuit for detecting AC currents outputted from the power conversion system, a first coordinate transformation circuit for converting AC currents into an active current detected value and a reactive current detected value in a coordinate determined by a phase voltage vector of the AC power source using the phase angle, a current control circuit for generating output signals based on a current control result, a second coordinate transformation circuit for converting the output signals of the current control circuit into two-phase signals in a static coordinate system using the phase angle, a pulse width modulation control circuit for generating pulse width modulated signals, based on a pulse width modulation control result, and a circuit for generating gate pulses based on the pulse width modulated signals.

摘要翻译： 一种用于由至少一个电压源型转换器和变压器组成的电力转换系统的控制系统。 该控制系统包括用于检测AC电源的线间电压的电路，瞬时相位检测电路，用于基于线间电压瞬时检测交流电源的相电压的相位角 AC电源，用于检测从电力变换系统输出的交流电流的电路，用于将AC电流转换成有效电流检测值的第一坐标变换电路和由相电压矢量确定的坐标中的无功电流检测值 使用相位角的交流电源，基于电流控制结果产生输出信号的电流控制电路，用于将静电坐标系中的电流控制电路的输出信号转换成两相信号的第二坐标变换电路，使用 相位角，用于产生脉冲宽度调制信号的脉冲宽度调制控制电路，基于脉冲宽度调制 离子控制结果，以及基于脉宽调制信号产生栅极脉冲的电路。

公开(公告)号：US20140085954A1

公开(公告)日：2014-03-27

申请号：US13979540

申请日：2012-01-06

申请人： Ryuta Hasegawa ,  Yosuke Nakazawa ,  Naotaka Iio

发明人： Ryuta Hasegawa ,  Yosuke Nakazawa ,  Naotaka Iio

IPC分类号： H02M7/5387

CPC分类号： H02M7/5387 ,  H02M7/483 ,  H02M7/487 ,  H02M7/497 ,  H02M2007/4835

摘要： A semiconductor power conversion device includes n (where n is a natural number) mutually isolated inverse conversion devices that output three-level voltage; and an inverse conversion device, isolated from the inverse conversion devices, that employs as input DC voltage a voltage VDCS of one half or one third of the input DC voltage VDC of the inverse conversion devices and that outputs three-level voltage; and the inverse conversion devices and the inverse conversion device are series-cascade connected, and output a maximum VDC×n+VDCS.

摘要翻译： 半导体功率转换装置包括输出三电平电压的n（n为自然数）相互隔离的逆变换装置; 以及与逆变换装置隔离的逆变换装置，其使用逆变换装置的输入直流电压VDC的一半或三分之一的电压VDCS作为输入DC电压，并输出三电平电压; 并且逆变换装置和逆变换装置串联级联，并输出最大VDC×n + VDCS。