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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 7465872 |
Photovoltaic power converter system with a controller configured to actively compensate load harmonics |
Dec. 16, 2008 |
| 7453330 |
Line filter |
Nov. 18, 2008 |
| 7449799 |
Harmonic mitigating device with magnetic shunt |
Nov. 11, 2008 |
| 7446436 |
Waveform correction filters |
Nov. 4, 2008 |
| 7446435 |
Power converter system and method |
Nov. 4, 2008 |
| 7405919 |
Electronic circuit having transmission line type noise filter |
Jul. 29, 2008 |
| 7405498 |
Multi-level active filter |
Jul. 29, 2008 |
| 7378754 |
Three-phase harmonic reduction filter for bidirectional power converters |
May. 27, 2008 |
| 7368891 |
Charge control method of capacitor in thyristor converter |
May. 6, 2008 |
| 7362162 |
Line filter |
Apr. 22, 2008 |
| 7336193 |
Device for monitoring the leakage current of a surge arrester |
Feb. 26, 2008 |
| 7301787 |
Active type harmonic suppression apparatus |
Nov. 27, 2007 |
| 7289888 |
Active filter and method for scheduling transistor bridge trigger times for each phase of power grid |
Oct. 30, 2007 |
| 7262521 |
Variable AC voltage regulation control method and apparatus |
Aug. 28, 2007 |
| 7245045 |
T-filter for reducing disturbances generated on a power grid by an active filter |
Jul. 17, 2007 |
| 7233081 |
Power-supply device |
Jun. 19, 2007 |
| 7200500 |
Determining parameters of an equivalent circuit representing a transmission section of an electrical network |
Apr. 3, 2007 |
| 7193869 |
Noise suppressor |
Mar. 20, 2007 |
| 7091704 |
Three-phase three-wire active power filter |
Aug. 15, 2006 |
| 7092229 |
Electrical filter/protector, and methods of constructing and utilizing same |
Aug. 15, 2006 |
| 7078831 |
System for correcting power factor and harmonics present on an electroduct in an active way and with high-dynamics |
Jul. 18, 2006 |
| 7061142 |
Inline power device detection |
Jun. 13, 2006 |
| 7053505 |
Amplifying circuit, noise reducing apparatus and power converting apparatus |
May. 30, 2006 |
| 7054172 |
Method and structure for active power supply control and stabilization |
May. 30, 2006 |
| 7026728 |
System for supplying electrical power to a load by a transmission path which has been split into two parts |
Apr. 11, 2006 |
| 6985370 |
AC power line filter |
Jan. 10, 2006 |
| 6958666 |
Filtering circuit and power supply device equipped with same |
Oct. 25, 2005 |
| 6940187 |
Robust controller for controlling a UPS in unbalanced operation |
Sep. 6, 2005 |
| 6909203 |
I/O interface anti-resonance passband shunting technique |
Jun. 21, 2005 |
| 6876179 |
Hybrid reactive power compensation device |
Apr. 5, 2005 |
| 6862199 |
Adaptive controller for d-statcom in the stationary reference frame to compensate for reactive and harmonic distortion under unbalanced conditions |
Mar. 1, 2005 |
| 6788166 |
Harmonic wave distortion suppressor |
Sep. 7, 2004 |
| 6747373 |
System and method for coordinated control of a switched power capacitor with an integrated resonance protection system |
Jun. 8, 2004 |
| 6717789 |
Power supply rejection circuit for capacitively-stored reference voltages |
Apr. 6, 2004 |
| 6661680 |
Higher harmonic suppressor element and DC power supply unit using the same |
Dec. 9, 2003 |
| 6657322 |
Control system for active power filters |
Dec. 2, 2003 |
| 6636405 |
Mitigation of 3rd harmonic currents in electrical power distribution systems |
Oct. 21, 2003 |
| 6624997 |
Electrical power conditioner |
Sep. 23, 2003 |
| 6605882 |
Integrated harmonic mitigation device and distribution panel configured as a power center unit for electronic equipment |
Aug. 12, 2003 |
| 6577487 |
Reduction of harmonics in AC machines |
Jun. 10, 2003 |
| 6559561 |
Method and a device for damping power oscillations in transmission lines |
May. 6, 2003 |
| 6552919 |
Converter utilizing pulse duration modulation and ripple control |
Apr. 22, 2003 |
| 6549434 |
Harmonic mitigating method and apparatus |
Apr. 15, 2003 |
| 6522243 |
Geometric harmonic modulation signaling and detection |
Feb. 18, 2003 |
| 6522516 |
Polymer fuse and filter apparatus |
Feb. 18, 2003 |
| 6507505 |
Power conversion device |
Jan. 14, 2003 |
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