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Class Information
Number: 307/105
Name: Electrical transmission or interconnection systems > With harmonic filter or neutralizer
Description: Subject matter relating to harmonic filters or neutralizers.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8710700 Power or voltage oscillation damping in a power transmission system Apr. 29, 2014
8659187 Uninterruptible power supply systems and methods supporting load balancing Feb. 25, 2014
8648576 Reactive power compensator Feb. 11, 2014
8629579 Active switching ripple filter Jan. 14, 2014
8618694 System, method, and computer program product for utilizing a wind park as a variable power system stabilizer Dec. 31, 2013
8598736 Input circuit for alternating current signal, and motor starter including the same Dec. 3, 2013
8581446 Method and apparatus for removal of harmonic noise Nov. 12, 2013
8553435 Power converter with multi-level voltage output and harmonics filter Oct. 8, 2013
8519679 Static var compensator apparatus Aug. 27, 2013
8497602 Time delay compensation in power system control Jul. 30, 2013
8450878 Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network May. 28, 2013
8415835 Plug-in power line conditioner Apr. 9, 2013
8410638 Uninterruptible power supply systems and methods supporting load balancing Apr. 2, 2013
8400119 Static var compensator apparatus Mar. 19, 2013
8390149 Harmonic filter with integrated power factor correction Mar. 5, 2013
8373311 Electronic power-saving device Feb. 12, 2013
8288886 Method and apparatus for avoiding electrical resonance in a vehicle having a shared high-voltage bus Oct. 16, 2012
8228019 Output filter and motor drive system including the same Jul. 24, 2012
8225113 Computer system with resistor-capacitor filter circuit Jul. 17, 2012
8217735 Harmonic suppression device Jul. 10, 2012
8212416 Device for filtering harmonics Jul. 3, 2012
8193889 Filter appliance for a multiphase electrical converter device Jun. 5, 2012
8188726 Method and arrangement to determine the cell capacitor voltage of a cell of a multi-cell power converter May. 29, 2012
8170723 Determination and use of power system sensitivities May. 1, 2012
8143747 Flux control system for active voltage conditioning Mar. 27, 2012
8138633 Electronic power-saving device Mar. 20, 2012
8111049 Power supply device for an electric circuit Feb. 7, 2012
8106540 Compensation system for power transmission Jan. 31, 2012
8093758 Method and apparatus for control of inductively coupled power transfer systems Jan. 10, 2012
8093759 Regulated energy supply for a rapidly cycling integrated circuit with reduced electromagnetic radiation Jan. 10, 2012
8063515 Compensation system for power transmission Nov. 22, 2011
8004119 Multi-function three-phase active power filter Aug. 23, 2011
7986132 Static var compensator apparatus Jul. 26, 2011
7952235 Electronic power-saving device May. 31, 2011
7923867 Electromagnetic noise suppression system for Wye power distribution Apr. 12, 2011
7920392 Dynamic voltage sag correction Apr. 5, 2011
7906872 Dynamic harmonic filter for an AC power system Mar. 15, 2011
7884503 Method and arrangement for harmonic-wave suppression for AC voltage-operated PTC heaters Feb. 8, 2011
7856220 Magneto-electric-induction conversion system of wireless input device Dec. 21, 2010
7848122 Terminator for reducing differential-mode and common-mode voltage reflections in AC motor drives Dec. 7, 2010
7804198 Electrical harmonic suppression system and enclosure for the same Sep. 28, 2010
7787267 Active power filter Aug. 31, 2010
7778053 Power system having a voltage regulator with a notch filter Aug. 17, 2010
7701090 Active filter Apr. 20, 2010
7692415 Reactive power control apparatus for AC power system Apr. 6, 2010
7629786 Device for reducing harmonics in three-phase poly-wire power lines Dec. 8, 2009
7616087 Installation for transmission of electric power Nov. 10, 2009
7609535 Method and apparatus for providing input EMI filtering in power supplies Oct. 27, 2009
7535125 Single-phase filter for reducing harmonics May. 19, 2009
7485987 Power converting device Feb. 3, 2009

1 2 3 4 5










 
 
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