首页> 外国专利> METHOD AND DEVICE FOR MODIFIED SPACE VECTOR PULSE WIDTH MODULATION REDUCING DC BUS RIPPLE ACTION IN POWER SUPPLY INVERTER

METHOD AND DEVICE FOR MODIFIED SPACE VECTOR PULSE WIDTH MODULATION REDUCING DC BUS RIPPLE ACTION IN POWER SUPPLY INVERTER

机译:减小电源逆变器中的矢量矢量脉宽调制降低直流母线纹波作用的方法和装置

摘要

PROBLEM TO BE SOLVED: To provide a method and a device for controlling a motor drive inverter in which output is controlled by modified space vector pulse width modulation. ;SOLUTION: A digital signal processor 710 calculates a required instantaneous duty ratio of an inverter output waveform such that the effect of ripple component of a line voltage is canceled by an input ripple signal extracted from the line voltage and a speed/position feedback signal 702 related to the inverter output for driving a motor 705. An inverter PWM drive controlled by the instantaneous duty ratio is applied to the gates of N channel MOSFET transistors 100-102 and 110-112 forming the inverter and the inverter output is controlled by modified space vector pulse width modulation.;COPYRIGHT: (C)2000,JPO
机译:解决的问题:提供一种用于控制电动机驱动逆变器的方法和装置,其中,输出通过修改的空间矢量脉冲宽度调制来控制。 ;解决方案:数字信号处理器710计算逆变器输出波形所需的瞬时占空比,以便通过从线电压中提取的输入纹波信号和速度/位置反馈信号702消除线电压的纹波分量的影响。与用于驱动电动机705的逆变器输出有关。由瞬时占空比控制的逆变器PWM驱动被施加到形成逆变器的N沟道MOSFET晶体管100-102和110-112的栅极,并且逆变器输出由修改的空间控制。矢量脉宽调制。;版权:(C)2000,JPO

著录项

  • 公开/公告号JP2000324853A

    专利类型

  • 公开/公告日2000-11-24

    原文格式PDF

  • 申请/专利权人 TEXAS INSTR INC TI;

    申请/专利号JP20000131162

  • 发明设计人 AREFEEN MOHAMMED;SHIREEN WAJIHA;

    申请日2000-04-28

  • 分类号H02M7/48;H02M7/5387;H02P5/41;

  • 国家 JP

  • 入库时间 2022-08-22 01:27:55

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