1
Hassan A Kojori, Jack Daming Ma, Zheng Wang, George You Zhou: Synchronous and bi-directional variable frequency power conversion systems. Honeywell International, Larry J Palguta, February 1, 2005: US06850426 (129 worldwide citation)

A synchronous bi-directional active power conditioning system (11) suitable for wide variable frequency systems or active loads such as adjustable speed drives which require variable voltage variable frequency power management systems is disclosed. Common power electronics building blocks (100, 200) ...


2
Zheng Wang, Jack Daming Ma, George You Zhou: Method and apparatus for field weakening control in an AC motor drive system. Honeywell International, Larry J Palguta, November 15, 2005: US06965212 (30 worldwide citation)

A method and apparatus control a power converter (20) of an AC motor drive system (10). The method and apparatus: generate a field current regulating signal to control a field current component flowing from the power converter (20) to the AC motor (30), thereby achieving field current regulation; ge ...


3
Colin Huggett, Zheng Wang, George You Zhou: Instantaneous power floating frame controller. Honeywell International, Birch Stewart Kolasch & Birch, July 11, 2006: US07075264 (12 worldwide citation)

The present invention relates to a method of controlling a power converter (20) of a synchronous machine system (10), the method comprising sampling phase-current values between the power converter (20) and the synchronous machine (30); selecting a reference frame; regulating a current vector to ali ...


4
Jack Daming Ma, George You Zhou, Zheng Wang: Power converter controlling apparatus and method providing ride through capability during power interruption in a motor drive system. Honeywell International, Birch Stewart Kolasch & Birch, October 3, 2006: US07116067 (3 worldwide citation)

A method of controlling a power converter (20) of a motor drive system (10)controls the power converter (20) during a first operating mode by applying a current control scheme, which sets power converter commands to control torque current flowing from the power converter (20) to the motor (30) to ac ...


5
Zheng Wang, Jack Daming Ma, George You Zhou: Power converter controlling apparatus and method applying a fault protection scheme in a motor drive system. Honeywell International, Oral Caglar Esq, May 20, 2008: US07375934 (2 worldwide citation)

A method and apparatus control a power converter (20) of a motor drive system. The power converter (20) is controlled during a first operating mode by applying a current control scheme, which sets power converter commands to control active and reactive current components flowing from the power conve ...


6
Hassan A Kojori, Jack Daming Ma, Zheng Wang, George You Zhou: Synchronous and bi-directional variable frequency power conversion systems. Larry J Palguta, Honeywell Law Department, November 27, 2003: US20030218887-A1

A synchronous bi-directional active power conditioning system (11) suitable for wide variable frequency systems or active loads such as adjustable speed drives which require variable voltage variable frequency power management systems is disclosed. Common power electronics building blocks (100, 200) ...


7
Colin Huggett, Zheng Wang, George You Zhou: Instantaneous power floating frame controller. Honeywell International, October 6, 2005: US20050218862-A1

The present invention relates to a method of controlling a power converter (20) of a synchronous machine system (10), the method comprising sampling phase-current values between the power converter (20) and the synchronous machine (30); selecting a reference frame; regulating a current vector to ali ...


8
Zheng Wang, Jack Daming Ma, George You Zhou: Power converter controlling apparatus and method applying a fault protection scheme in a motor drive system. Larry J Palguta, Honeywell International, March 23, 2006: US20060061923-A1

A method and apparatus control a power converter (20) of a motor drive system. The power converter (20) is controlled during a first operating mode by applying a current control scheme, which sets power converter commands to control active and reactive current components flowing from the power conve ...


9
Jack Daming Ma, George You Zhou, Zheng Wang: Power converter controlling apparatus and method providing ride through capability during power interruption in a motor drive system. Honeywell International, March 23, 2006: US20060061320-A1

A method of controlling a power converter (20) of a motor drive system (10)controls the power converter (20) during a first operating mode by applying a current control scheme, which sets power converter commands to control torque current flowing from the power converter (20) to the motor (30) to ac ...