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1. 发明申请

US20070268052A1 Modulation methods and apparatus for reducing common mode noise 有权
标题翻译：用于降低共模噪声的调制方法和装置
公开(公告)号：US20070268052A1
公开(公告)日：2007-11-22
申请号：US11438569
申请日：2006-05-22
申请人： Qiang Yin , Russel J. Kerkman
发明人： Qiang Yin , Russel J. Kerkman
IPC分类号： H03K3/017
CPC分类号： H02M7/5395 , H02M1/12 , H02M2001/123 , H02P27/08
摘要： A method and apparatus for reducing common mode noise in a three phase pulse width modulated (PWM) system the method comprising the steps of receiving modulating waveforms, identifying a first of the modulating waveforms that is instantaneously the maximum of the modulating waveforms, identifying a second of the modulating waveforms that is instantaneously the minimum of the modulating waveforms, for a first phase associated with at least one of the first and second identified waveforms, substituting a first substitute waveform for the one of the first and second waveforms, for the first phase, modifying at least one of the first substituted waveform and duty cycle signals generated by comparing the first substituted waveform with the carrier signal as a function of a first rule set to substantially minimize the effects of turn on delays and for at least one of the second and third phases, modifying at least one of the associated modulating waveform and duty cycle signals generated by comparing the modulating waveform with the carrier signal as a function of a second rule set to substantially eliminate the effects of turn on delays where the second rule set is different than the first rule set.
摘要翻译：一种用于降低三相脉宽调制（PWM）系统中的共模噪声的方法和装置，该方法包括以下步骤：接收调制波形，识别瞬时调制波形的最大值的第一调制波形，识别第二对于与第一和第二识别波形中的至少一个相关联的第一阶段，立即将最小调制波形的调制波形替换为第一和第二波形中的第一波形的第一替代波形，通过将所述第一替代波形与所述载波信号进行比较来生成的所述第一替代波形和占空比信号中的至少一个作为第一规则集的函数，以将接通延迟的影响基本上最小化，并且对于所述第二替代波形中的至少一个和第三阶段，修改由所生成的相关联的调制波形和占空比信号中的至少一个将所述调制波形与所述载波信号作为第二规则集的函数进行比较，以基本上消除所述第二规则集不同于所述第一规则集的导通延迟的影响。

2. 发明申请

US20070268051A1 Modulation methods and apparatus for reducing common mode noise 有权
标题翻译：用于降低共模噪声的调制方法和装置
公开(公告)号：US20070268051A1
公开(公告)日：2007-11-22
申请号：US11435651
申请日：2006-05-17
申请人： Russel J. Kerkman , Qiang Yin , Haihui Lu
发明人： Russel J. Kerkman , Qiang Yin , Haihui Lu
IPC分类号： H03K3/017
CPC分类号： H02M7/5387 , H02M1/44 , H02M5/458 , H02M2001/123
摘要： A method and apparatus for reducing common mode noise in a three phase pulse width modulated (PWM) system, the method comprising the steps of receiving the first, second and third modulating waveforms, identifying one of the modulating waveforms that is at least one of instantaneously the maximum and instantaneously the minimum of the modulating waveforms as a first identified waveform, wherein comparison of the first identified waveform to the carrier signal would generate a first on-off pulse sequence associated with a phase corresponding to the first identified waveform, generating switch control signals associated with the phase corresponding to the first identified waveform that cause a modified on-off pulse sequence that is phase shifted from the first pulse sequence, using the second and third modulating waveforms to generate second and third on-off pulse sequences corresponding to the second and third phases and providing the modified pulse sequence and the second and third pulse sequences to the one of the inverter and the converter.
摘要翻译：一种用于降低三相脉宽调制（PWM）系统中的共模噪声的方法和装置，该方法包括以下步骤：接收第一，第二和第三调制波形，识别至少一个瞬时调制波形之一最大和瞬时调制波形的最小值作为第一识别波形，其中第一识别波形与载波信号的比较将产生与对应于第一识别波形的相位相关联的第一开 - 关脉冲序列，产生切换控制使用第二和第三调制波形产生与对应于第一识别波形的相位相关的信号，该第二和第三调制波形产生与第一脉冲序列对应的第二和第三开关脉冲序列，第二和第三相，并提供修改的脉冲序列和第二和第三脉冲序列到逆变器和转换器之一。

3. 发明授权

US07106025B1 Cancellation of dead time effects for reducing common mode voltages 有权
标题翻译：取消死区时间效应以降低共模电压
公开(公告)号：US07106025B1
公开(公告)日：2006-09-12
申请号：US11068196
申请日：2005-02-28
申请人： Qiang Yin , Russel J. Kerkman , Richard A. Lukaszewski
发明人： Qiang Yin , Russel J. Kerkman , Richard A. Lukaszewski
IPC分类号： H02P5/28 , H02M1/12
CPC分类号： H02M7/53873 , H02M2001/385 , H02P27/08
摘要： Methods and apparatus for canceling dead time effects in the form of common mode voltages produced by a three-phase power conversion device in a rectifier/inverter variable frequency drive (VFD) system includes limiting the voltage difference between phase voltages at certain switching transition times to an amount δ, that is a function of the dead time that is specified for the switches and delaying gating signals to the switches to remove unexpected pulses produced by common mode voltages.
摘要翻译：在整流/变频变频驱动（VFD）系统中，通过三相电力变换装置产生的共模电压形式的取消死区时间效应的方法和装置包括将某些开关转换时间的相电压之间的电压差限制到数量三角形，这是为开关指定的死区时间的函数，并延迟门控信号给开关以消除由共模电压产生的意外脉冲。

4. 发明授权

US07164254B2 Modulation methods and apparatus for reducing common mode voltages 有权
标题翻译：用于降低共模电压的调制方法和装置
公开(公告)号：US07164254B2
公开(公告)日：2007-01-16
申请号：US11068323
申请日：2005-02-28
申请人： Russel J. Kerkman , Qiang Yin , Haihui Lu
发明人： Russel J. Kerkman , Qiang Yin , Haihui Lu
IPC分类号： H02P3/18
CPC分类号： H02M7/48 , H02M1/44 , H02M2001/123
摘要： Methods and apparatus for reducing the common mode voltage generated by eliminating zero-voltage vectors in a rectifier/inverter variable frequency drive (VFD) system includes comparing three phase voltages to each other to determine a maximum voltage in one phase, a minimum voltage in another phase and a middle voltage in still another phase, inverting phase voltages for one phase having the maximum voltage and another phase having the minimum voltage, comparing the phase voltages to a carrier wave to determine gating signals for three respective phases of the inverter, and inverting gating signals for the one phase having the maximum voltage and for another phase having the minimum voltage to reduce the common mode voltage in the motor. In one embodiment, the zero-voltage vectors are removed by relating a first plurality of gating signals and a plurality of sector logic signals in a logic table to a second plurality of gating signals that are applied to phases of the inverter
摘要翻译：整流/变频变频驱动（VFD）系统中消除零电压矢量产生的共模电压的方法和装置包括将三相电压相互比较，以确定一相中的最大电压，另一相中的最小电压相位和另一相的中间电压，将具有最大电压的一相的相位相电压和具有最小电压的另一相相比较，将相电压与载波进行比较，以确定逆变器的三个相位的门控信号，以及反相具有最大电压的一相的门控信号以及具有最小电压的另一相位以降低电动机中的共模电压。在一个实施例中，通过将逻辑表中的第一多个选通信号和多个扇区逻辑信号与施加到反相器的相位的第二多个选通信号相关联来消除零电压矢量

5. 发明授权

US07649756B2 Common mode noise reduction in converter systems through modification of single phase switching signal 有权
标题翻译：通过修改单相切换信号，转换器系统中的共模噪声降低
公开(公告)号：US07649756B2
公开(公告)日：2010-01-19
申请号：US11435651
申请日：2006-05-17
申请人： Russel J. Kerkman , Qiang Yin , Haihui Lu
发明人： Russel J. Kerkman , Qiang Yin , Haihui Lu
IPC分类号： H02M1/14
CPC分类号： H02M7/5387 , H02M1/44 , H02M5/458 , H02M2001/123
摘要： A method and apparatus for reducing common mode noise in a three phase pulse width modulated (PWM) system, the method comprising the steps of receiving the first, second and third modulating waveforms, identifying one of the modulating waveforms that is at least one of instantaneously the maximum and instantaneously the minimum of the modulating waveforms as a first identified waveform, wherein comparison of the first identified waveform to the carrier signal would generate a first on-off pulse sequence associated with a phase corresponding to the first identified waveform, generating switch control signals associated with the phase corresponding to the first identified waveform that cause a modified on-off pulse sequence that is phase shifted from the first pulse sequence, using the second and third modulating waveforms to generate second and third on-off pulse sequences corresponding to the second and third phases and providing the modified pulse sequence and the second and third pulse sequences to the one of the inverter and the converter.
摘要翻译：一种用于降低三相脉宽调制（PWM）系统中的共模噪声的方法和装置，该方法包括以下步骤：接收第一，第二和第三调制波形，识别至少一个瞬时调制波形之一最大和瞬时调制波形的最小值作为第一识别波形，其中第一识别波形与载波信号的比较将产生与对应于第一识别波形的相位相关联的第一开 - 关脉冲序列，产生切换控制使用第二和第三调制波形产生与对应于第一识别波形的相位相关的信号，该第二和第三调制波形产生与第一脉冲序列对应的第二和第三开关脉冲序列，第二和第三相，并提供修改的脉冲序列和第二和第三脉冲序列到逆变器和转换器之一。

6. 发明授权

US07400518B2 Modulation methods and apparatus for reducing common mode noise 有权
标题翻译：用于降低共模噪声的调制方法和装置
公开(公告)号：US07400518B2
公开(公告)日：2008-07-15
申请号：US11438569
申请日：2006-05-22
申请人： Qiang Yin , Russel J. Kerkman
发明人： Qiang Yin , Russel J. Kerkman
IPC分类号： H02M1/12 , H02M7/5387
CPC分类号： H02M7/5395 , H02M1/12 , H02M2001/123 , H02P27/08
摘要： A method and apparatus for reducing common mode noise in a three phase pulse width modulated (PWM) system the method comprising the steps of receiving modulating waveforms, identifying a first of the modulating waveforms that is instantaneously the maximum of the modulating waveforms, identifying a second of the modulating waveforms that is instantaneously the minimum of the modulating waveforms, for a first phase associated with at least one of the first and second identified waveforms, substituting a first substitute waveform for the one of the first and second waveforms, for the first phase, modifying at least one of the first substituted waveform and duty cycle signals generated by comparing the first substituted waveform with the carrier signal as a function of a first rule set to substantially minimize the effects of turn on delays and for at least one of the second and third phases, modifying at least one of the associated modulating waveform and duty cycle signals generated by comparing the modulating waveform with the carrier signal as a function of a second rule set to substantially eliminate the effects of turn on delays where the second rule set is different than the first rule set.
摘要翻译：一种用于降低三相脉宽调制（PWM）系统中的共模噪声的方法和装置，该方法包括以下步骤：接收调制波形，识别瞬时调制波形的最大值的第一调制波形，识别第二对于与第一和第二识别波形中的至少一个相关联的第一阶段，立即将最小调制波形的调制波形替换为第一和第二波形中的第一波形的第一替代波形，通过将所述第一替代波形与所述载波信号进行比较来生成的所述第一替代波形和占空比信号中的至少一个作为第一规则集的函数，以将接通延迟的影响基本上最小化，并且对于所述第二替代波形中的至少一个和第三阶段，修改由所生成的相关联的调制波形和占空比信号中的至少一个将所述调制波形与所述载波信号作为第二规则集的函数进行比较，以基本上消除所述第二规则集不同于所述第一规则集的导通延迟的影响。

7. 发明申请

US20060192520A1 CANCELLATION OF DEAD TIME EFFECTS FOR REDUCING COMMON MODE VOLTAGES 有权
标题翻译：消除用于降低共模电压的死时间效应
公开(公告)号：US20060192520A1
公开(公告)日：2006-08-31
申请号：US11068196
申请日：2005-02-28
申请人： Qiang Yin , Russel Kerkman , Richard Lukaszewski
发明人： Qiang Yin , Russel Kerkman , Richard Lukaszewski
IPC分类号： H02P5/34
CPC分类号： H02M7/53873 , H02M2001/385 , H02P27/08
摘要： Methods and apparatus for canceling dead time effects in the form of common mode voltages produced by a three-phase power conversion device in a rectifier/inverter variable frequency drive (VFD) system includes limiting the voltage difference between phase voltages at certain switching transition times to an amount δ, that is a function of the dead time that is specified for the switches and delaying gating signals to the switches to remove unexpected pulses produced by common mode voltages.
摘要翻译：在整流/变频变频驱动（VFD）系统中，通过三相电力变换装置产生的共模电压形式的取消死区时间效应的方法和装置包括将某些开关转换时间的相电压之间的电压差限制为数量三角形，这是为开关指定的死区时间的函数，并延迟门控信号给开关以消除由共模电压产生的意外脉冲。

8. 发明授权

US06657322B2 Control system for active power filters 有权
标题翻译：有源电力滤波器控制系统
公开(公告)号：US06657322B2
公开(公告)日：2003-12-02
申请号：US09968114
申请日：2001-10-01
申请人： Gary Leonard Skibinski , Dongsheng Zhou , Frederick Louis Hoadley , Naihu Li , Qiang Yin
发明人： Gary Leonard Skibinski , Dongsheng Zhou , Frederick Louis Hoadley , Naihu Li , Qiang Yin
IPC分类号： H02M112
CPC分类号： H02J3/1842 , Y02E40/22
摘要： An active filter controller for use with both pure and hybrid shunt filters wherein the controller maintains a minimum DC bus voltage required to generate a compensating current on coupling lines and also extrapolates to estimate an expected feedback current to be compensated so that compensation currents are more accurate and harmonic currents are appreciably reduced.
摘要翻译：一种与纯和混合分流滤波器一起使用的有源滤波器控制器，其中控制器保持在耦合线路上产生补偿电流所需的最小DC总线电压，并且外推以估计待补偿的预期反馈电流，使得补偿电流更准确谐波电流明显降低。

9. 发明授权

US07728544B2 System and method for controlling input line harmonics in a motor drive 失效
标题翻译：用于控制电机驱动器中输入线谐波的系统和方法
公开(公告)号：US07728544B2
公开(公告)日：2010-06-01
申请号：US11745861
申请日：2007-05-08
申请人： Wei Qian , Qiang Yin , Lixiang Wei , Richard A. Lukaszewski
发明人： Wei Qian , Qiang Yin , Lixiang Wei , Richard A. Lukaszewski
IPC分类号： H02P27/04
CPC分类号： H02M1/126 , H02M1/44 , H02P27/16
摘要： A motor drive system is disclosed that includes a power input configured to receive alternating current (AC) power and a rectifier having a switching frequency selected to convert the AC power to direct current (DC) power. The motor drive unit also includes an input filter circuit connected between the power input and the rectifier and configured to suppress frequency harmonics across a range of harmonics. Additionally, the motor drive unit includes a block filter circuit connected between the power input and the rectifier and configured to substantially block frequency harmonics associated with the switching frequency of the rectifier. Furthermore, the motor drive unit includes an inverter configured to receive the DC power from the rectifier and convert the DC power to a series of pulses configured to drive a motor.
摘要翻译：公开了一种电动机驱动系统，其包括被配置为接收交流（AC）电力的功率输入和具有选择的开关频率的整流器，以将AC功率转换为直流（DC）功率。马达驱动单元还包括连接在功率输入和整流器之间的输入滤波器电路，并被配置为抑制跨越谐波范围的频率谐波。此外，电动机驱动单元包括连接在电力输入和整流器之间的块滤波器电路，并被配置为基本上阻挡与整流器的开关频率相关联的频率谐波。此外，马达驱动单元包括反相器，其被配置为从整流器接收DC电力并将DC电力转换成被配置为驱动马达的一系列脉冲。

10. 发明申请

US20080278109A1 System and Method for Controlling Input Line Harmonics in a Motor Drive 失效
标题翻译：控制电机驱动输入线谐波的系统和方法
公开(公告)号：US20080278109A1
公开(公告)日：2008-11-13
申请号：US11745861
申请日：2007-05-08
申请人： Wei Qian , Qiang Yin , Lixiang Wei , Richard A. Lukaszewski
发明人： Wei Qian , Qiang Yin , Lixiang Wei , Richard A. Lukaszewski
IPC分类号： H02P27/04 , H02P27/00
CPC分类号： H02M1/126 , H02M1/44 , H02P27/16
摘要： A motor drive system is disclosed that includes a power input configured to receive alternating current (AC) power and a rectifier having a switching frequency selected to convert the AC power to direct current (DC) power. The motor drive unit also includes an input filter circuit connected between the power input and the rectifier and configured to suppress frequency harmonics across a range of harmonics. Additionally the motor drive unit includes a block filter circuit connected between the power input and the rectifier and configured to substantially block frequency harmonics associated with the switching frequency of the rectifier. Furthermore, the motor drive unit includes an inverter configured to receive the DC power from the rectifier and convert the DC power to a series of pulses configured to drive a motor.
摘要翻译：公开了一种电动机驱动系统，其包括被配置为接收交流（AC）电力的功率输入和具有选择的开关频率的整流器，以将AC功率转换为直流（DC）功率。马达驱动单元还包括连接在功率输入和整流器之间的输入滤波器电路，并被配置为抑制跨越谐波范围的频率谐波。另外，电动机驱动单元包括连接在电力输入和整流器之间的块滤波器电路，并被配置为基本上阻挡与整流器的开关频率相关联的频率谐波。此外，马达驱动单元包括反相器，其被配置为从整流器接收DC电力并将DC电力转换成被配置为驱动马达的一系列脉冲。

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