| Patent Number |
Title Of Patent |
Date Issued |
| 7605570 |
Bridgeless PFC converter with low common-mode noise and high power density |
Oct. 20, 2009 |
| 7570029 |
Active power conditioner |
Aug. 4, 2009 |
| 7567064 |
Systems of parallel operating power electronic converters |
Jul. 28, 2009 |
| 7555665 |
Method and apparatus of disabling converters in a power module |
Jun. 30, 2009 |
| 7535734 |
High power-factor AC/DC converter with parallel power processing |
May. 19, 2009 |
| 7514912 |
System and method for power controller |
Apr. 7, 2009 |
| 7508173 |
System and method for providing reactive power support with distributed energy resource inverter |
Mar. 24, 2009 |
| 7501800 |
Power factor correction circuit and output voltage control method thereof |
Mar. 10, 2009 |
| 7489532 |
Apparatus and method for a power converter with feed-forward voltage compensation to enable a PFC circuit |
Feb. 10, 2009 |
| 7466110 |
Power factor improving circuit |
Dec. 16, 2008 |
| 7458934 |
Electrical adapter for medical diagnostic instruments using replaceable LEDs as illumination sources |
Dec. 2, 2008 |
| 7450407 |
Control method of AC/DC power converter for input current harmonic suppression |
Nov. 11, 2008 |
| 7446511 |
Active power conditioner for AC load characteristics |
Nov. 4, 2008 |
| 7436155 |
Control device for a three-phase machine and method for operating the control device |
Oct. 14, 2008 |
| RE40528 |
Voltage fluctuation compensating apparatus |
Oct. 7, 2008 |
| 7427852 |
Low power control mode for power supply |
Sep. 23, 2008 |
| 7400517 |
Power factor correction circuit and method therefor |
Jul. 15, 2008 |
| 7397678 |
Method for driving a switch that controls current drawn in a power factor correction circuit and a drive circuit therefor |
Jul. 8, 2008 |
| 7394226 |
High voltage generation systems and methods |
Jul. 1, 2008 |
| 7388766 |
Harmonic control and regulation system for harmonic neutralized frequency changer |
Jun. 17, 2008 |
| 7382112 |
Methods and devices for input waveform control in switching power supplies |
Jun. 3, 2008 |
| 7352597 |
Comprehensive power quality controller for substation in power system |
Apr. 1, 2008 |
| 7345379 |
Power converter with voltage and current fault setting |
Mar. 18, 2008 |
| 7339480 |
Power processing interface for passive radio frequency identification system |
Mar. 4, 2008 |
| 7321834 |
Method for calculating power flow solution of a power transmission network that includes interline power flow controller (IPFC) |
Jan. 22, 2008 |
| 7317625 |
Parallel current mode control using a direct duty cycle algorithm with low computational requirements to perform power factor correction |
Jan. 8, 2008 |
| 7317286 |
Power supply apparatus for discharge lamp and control method for the same |
Jan. 8, 2008 |
| 7312600 |
AC power regulator circuit |
Dec. 25, 2007 |
| 7310253 |
Power conversion circuit control apparatus |
Dec. 18, 2007 |
| 7307403 |
System and method for DC power generation from a reluctance machine |
Dec. 11, 2007 |
| 7307405 |
Transition mode operating device for the correction of the power factor in switching power supply units |
Dec. 11, 2007 |
| 7294993 |
Method and apparatus for customizing of a power supply based on load characteristic data |
Nov. 13, 2007 |
| 7289341 |
Power supply adaptive feedforward control circuit |
Oct. 30, 2007 |
| 7277779 |
Real-time emergency control in power systems |
Oct. 2, 2007 |
| 7276025 |
Electrical adapter for medical diagnostic instruments using LEDs as illumination sources |
Oct. 2, 2007 |
| 7272026 |
Power converter for a hybrid power filter |
Sep. 18, 2007 |
| 7265521 |
Reactive power compensation to minimize step voltage changes and transients |
Sep. 4, 2007 |
| 7250742 |
Digital control of bridgeless power factor correction circuit |
Jul. 31, 2007 |
| 7231959 |
Vehicle energy management system |
Jun. 19, 2007 |
| 7221128 |
Converter with start-up circuit |
May. 22, 2007 |
| 7205749 |
Power line communication using power factor correction circuits |
Apr. 17, 2007 |
| 7199552 |
Control circuit apparatus and power supply circuit control method |
Apr. 3, 2007 |
| 7200500 |
Determining parameters of an equivalent circuit representing a transmission section of an electrical network |
Apr. 3, 2007 |
| 7183751 |
Reactive power compensator device |
Feb. 27, 2007 |
| 7180273 |
Low switching frequency power factor correction circuit |
Feb. 20, 2007 |
| 7177727 |
Method for calculating power flow solution of a power transmission network that includes unified power flow controllers |
Feb. 13, 2007 |
| 7176660 |
Switching power source apparatus and power factor corrector |
Feb. 13, 2007 |
| 7157886 |
Power converter method and apparatus having high input power factor and low harmonic distortion |
Jan. 2, 2007 |
| 7154253 |
Digitally controlled modular power supply for automated test equipment |
Dec. 26, 2006 |
| 7148661 |
Multi-pulse converter circuits |
Dec. 12, 2006 |
