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Determining an initial position of a rotor of a permanent magnet synchronous machine
Grant 11,444,562 - Mo , et al. September 13, 2 | 2022-09-13 |
Protection of an electrical apparatus
Grant 11,437,806 - Li September 6, 2 | 2022-09-06 |
Hybrid drive apparatus
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System And Method For Compact Motor Control With Redundant Power Structures
App 20220037875 - Li; Huaqiang ; et al. | 2022-02-03 |
Adjustable Speed Drive With Integrated Solid-state Circuit Breaker And Method Of Operation Thereof
App 20220014012 - Li; Huaqiang ; et al. | 2022-01-13 |
Fault tolerant motor and zone controller apparatus
Grant 11,205,979 - Li , et al. December 21, 2 | 2021-12-21 |
Matrix Converter With Solid State Circuit Breaker
App 20210376593 - LI; HUAQIANG ; et al. | 2021-12-02 |
Drive System With Common Dc Bus
App 20210359621 - Li; Huaqiang ; et al. | 2021-11-18 |
System and method for compact motor control with redundant power structures
Grant 11,177,648 - Li , et al. November 16, 2 | 2021-11-16 |
Adjustable speed drive with integrated solid-state circuit breaker and method of operation thereof
Grant 11,152,780 - Li , et al. October 19, 2 | 2021-10-19 |
Motor control system with integrated solid-state contactor and relays and method of operation thereof
Grant 11,139,649 - Li , et al. October 5, 2 | 2021-10-05 |
Active harmonic filter and regenerating energy control apparatus and method of operation
Grant 11,063,550 - Li July 13, 2 | 2021-07-13 |
Soft-starter AC-AC converter with integrated solid-state circuit breaker and method of operation thereof
Grant 11,038,340 - Li , et al. June 15, 2 | 2021-06-15 |
Hybrid Drive Apparatus
App 20210083614 - Krug; Adam ; et al. | 2021-03-18 |
Fault Tolerant Motor And Zone Controller Apparatus
App 20210058015 - Li; Jin ; et al. | 2021-02-25 |
Protection Of An Electrical Apparatus
App 20200389011 - Li; Huaqiang | 2020-12-10 |
Motor Control Device With Solid State Circuit Breaker
App 20200321773 - ZHOU; XIN ; et al. | 2020-10-08 |
Determining An Initial Position Of A Rotor Of A Permanent Magnet Synchronous Machine
App 20200313591 - Mo; Yaojin ; et al. | 2020-10-01 |
Board-level motor control system with integrated protection and control components
Grant 10,594,246 - Li , et al. | 2020-03-17 |
Active Harmonic Filter And Regenerating Energy Control Apparatus And Method Of Operation
App 20200044596 - Li; Huaqiang | 2020-02-06 |
Dynamic performance and active damping methods in web winder tension control systems
Grant 10,377,598 - Li , et al. A | 2019-08-13 |
Variable frequency drive circuit with overvoltage protection
Grant 10,355,585 - Li , et al. July 16, 2 | 2019-07-16 |
System And Method For Compact Motor Control With Redundant Power Structures
App 20190199086 - Li; Huaqiang ; et al. | 2019-06-27 |
Board-level Motor Control System With Integrated Protection And Control Components
App 20190199263 - Li; Huaqiang ; et al. | 2019-06-27 |
Motor Control System With Integrated Solid-state Contactor And Relays And Method Of Operation Thereof
App 20190199085 - Li; Huaqiang ; et al. | 2019-06-27 |
System and method for consistent speed regulation in a variable frequency drive
Grant 10,333,455 - Cheng , et al. | 2019-06-25 |
System and method for stability control in adjustable speed drive with DC link thin film capacitor
Grant 10,333,444 - Li , et al. | 2019-06-25 |
Soft-starter Ac-ac Converter With Integrated Solid-state Circuit Breaker And Method Of Operation Thereof
App 20190089146 - Li; Huaqiang ; et al. | 2019-03-21 |
Adjustable Speed Drive With Integrated Solid-state Circuit Breaker And Method Of Operation Thereof
App 20190067932 - Li; Huaqiang ; et al. | 2019-02-28 |
System And Method For Stability Control In Adjustable Speed Drive With Dc Link Thin Film Capacitor
App 20190068097 - Li; Huaqiang ; et al. | 2019-02-28 |
Dynamic Performance And Active Damping Methods In Web Winder Tension Control Systems
App 20180237249 - Li; Huaqiang ; et al. | 2018-08-23 |
System and method for capacitor fault energy interruption in adjustable speed drives
Grant 9,998,060 - Tao , et al. June 12, 2 | 2018-06-12 |
System And Method For Capacitor Fault Energy Interruption In Adjustable Speed Drives
App 20180062557 - Tao; Tony ; et al. | 2018-03-01 |
System And Method For Consistent Speed Regulation In A Variable Frequency Drive
App 20170288598 - Cheng; Xiaomeng ; et al. | 2017-10-05 |
System And Method For Operating A Three-phase Load From A Single Phase Source
App 20170170753 - Li; Huaqiang ; et al. | 2017-06-15 |
System and method for intelligent circuit breaking in adjustable speed drives
Grant 9,673,695 - Li , et al. June 6, 2 | 2017-06-06 |
System and method for operating a three-phase load from a single phase source
Grant 9,667,177 - Li , et al. May 30, 2 | 2017-05-30 |
Methods and apparatus for determining power distribution system topology using disturbance detection
Grant 9,608,440 - Familiant , et al. March 28, 2 | 2017-03-28 |
System and method for single-phase and three-phase current determination in power converters and inverters
Grant 9,595,889 - Li , et al. March 14, 2 | 2017-03-14 |
System and method for controlling output flow of parallel connected blowers
Grant 9,568,209 - Rugge , et al. February 14, 2 | 2017-02-14 |
System and method of rotor time constant online identification in an AC induction machine
Grant 9,525,377 - Wang , et al. December 20, 2 | 2016-12-20 |
System and method for controlling regenerating energy in an adjustable speed drive
Grant 9,515,598 - Mo , et al. December 6, 2 | 2016-12-06 |
Variable Frequency Drive Circuit With Overvoltage Protection
App 20160268797 - Li; Huaqiang ; et al. | 2016-09-15 |
Feed forward control for a cyclo-converter
Grant 9,203,326 - Harrison , et al. December 1, 2 | 2015-12-01 |
System for optimizing switching dead-time and method of making same
Grant 9,166,469 - Familiant , et al. October 20, 2 | 2015-10-20 |
System and method for ground fault detection and protection in adjustable speed drives
Grant 9,160,161 - Li , et al. October 13, 2 | 2015-10-13 |
Power factor control of a cyclo-converter
Grant 9,143,031 - Harrison , et al. September 22, 2 | 2015-09-22 |
System And Method For Controlling Regenerating Energy In An Adjustable Speed Drive
App 20150263661 - Mo; Yaojin ; et al. | 2015-09-17 |
System And Method Of Rotor Time Constant Online Identification In An Ac Induction Machine
App 20150236631 - Wang; Kai ; et al. | 2015-08-20 |
System and method for high resistance ground fault detection and protection in power distribution systems
Grant 9,046,560 - Li June 2, 2 | 2015-06-02 |
Closed loop control of a cyclo-converter
Grant 9,036,373 - Harrison , et al. May 19, 2 | 2015-05-19 |
System and method of rotor time constant online identification in an AC induction machine
Grant 9,024,569 - Wang , et al. May 5, 2 | 2015-05-05 |
System and method for controlling regenerating energy in an adjustable speed drive
Grant 8,994,320 - Mo , et al. March 31, 2 | 2015-03-31 |
System for determining a magnetizing curve and rotor resistance of an induction machine and method of making same
Grant 8,988,035 - Wang , et al. March 24, 2 | 2015-03-24 |
System And Method Of Rotor Time Constant Online Identification In An Ac Induction Machine
App 20150002071 - Wang; Kai ; et al. | 2015-01-01 |
System And Method For Controlling Regenerating Energy In An Adjustable Speed Drive
App 20150002072 - Mo; Yaojin ; et al. | 2015-01-01 |
System And Method For Controlling Output Flow Of Parallel Connected Blowers
App 20140323030 - Rugge; Ravishankar Shivsharan ; et al. | 2014-10-30 |
System And Method For Single-phase And Three-phase Current Determination In Power Converters And Inverters
App 20140233278 - Li; Huaqiang ; et al. | 2014-08-21 |
System and method for detecting phase loss and diagnosing DC link capacitor health in an adjustable speed drive
Grant 8,796,982 - Li August 5, 2 | 2014-08-05 |
System For Determining A Magnetizing Curve And Rotor Resistance Of An Induction Machine And Method Of Making Same
App 20140167674 - Wang; Kai ; et al. | 2014-06-19 |
System For Optimizing Switching Dead-time And Method Of Making Same
App 20140063883 - Familiant; Yakov Lvovich ; et al. | 2014-03-06 |
System And Method For High Resistance Ground Fault Detection And Protection In Power Distribution Systems
App 20130322133 - Li; Huaqiang | 2013-12-05 |
System And Method For Ground Fault Detection And Protection In Adjustable Speed Drives
App 20130293988 - Li; Huaqiang ; et al. | 2013-11-07 |
System and method for reactive power compensation and flicker management
App 20100109616 - Li; Huaqiang ; et al. | 2010-05-06 |
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