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Class Information
Number: 363/137
Name: Electric power conversion systems > Current conversion > Using semiconductor-type converter > In thyristor inverter systems > Bridge type > D.c. to plural phase
Description: Subject matter wherein the conversion is from D.C. to plural phase A.C.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7504789 |
Motor spindle control system and method |
Mar. 17, 2009 |
| 7405544 |
Voltage regulating circuit for uninterruptible power supply |
Jul. 29, 2008 |
| 7352220 |
Measuring average of phase voltage of a frequency converter based on an idealized waveform |
Apr. 1, 2008 |
| 7012822 |
Integrated traction inverter module and DC/DC converter |
Mar. 14, 2006 |
| 6760239 |
Method for controlling a matrix converter |
Jul. 6, 2004 |
| 6654260 |
Asymmetrical power converting apparatus employing self-arc-suppressing switches |
Nov. 25, 2003 |
| 6643156 |
Transformerless two-phase inverter |
Nov. 4, 2003 |
| 6603675 |
Apparatus and a method for voltage conversion |
Aug. 5, 2003 |
| 6522561 |
Inverter for injecting sinusoidal currents into an alternating current network using positive and negative half wave circuits |
Feb. 18, 2003 |
| 6519169 |
Multiphase inverter with series of connected phase legs |
Feb. 11, 2003 |
| 6510063 |
Electric power conversion optimized for efficient harmonic elimination |
Jan. 21, 2003 |
| 6477067 |
Method and apparatus for compensating for device dynamics in inverter based control systems |
Nov. 5, 2002 |
| 6462974 |
Space vector modulation-based control method and apparatus for three-phase pulse width modulated AC voltage regulators |
Oct. 8, 2002 |
| 6459601 |
Control circuit of power converter |
Oct. 1, 2002 |
| 6337801 |
Three-phase zero-current-transition (ZCT) inverters and rectifiers with three auxiliary switches |
Jan. 8, 2002 |
| 6288921 |
Control apparatus for power converter |
Sep. 11, 2001 |
| 6219265 |
Three-point converter and method for its operation |
Apr. 17, 2001 |
| RE37126 |
Multilevel cascade voltage source inverter with seperate DC sources |
Apr. 3, 2001 |
| 6205040 |
Auxiliary resonant commutated pole three-point or multipoint converter |
Mar. 20, 2001 |
| 6111771 |
Power-conversion apparatus |
Aug. 29, 2000 |
| 6067242 |
Current balanced arms of AC/DC bridge rectifiers |
May. 23, 2000 |
| 5889668 |
Three-phase DC-to-AC power inverter with three-level poles |
Mar. 30, 1999 |
| 5768114 |
Converter circuit arrangement |
Jun. 16, 1998 |
| 5677833 |
Power conditioning system for a four quadrant photovoltaic array with an inverter for each array quadrant |
Oct. 14, 1997 |
| 5673189 |
Device for increasing the power yield of the fundamental component of a self-commutated power inverter |
Sep. 30, 1997 |
| 5654591 |
Uninterruptible power supply with passing neutral, comprising a twin step-up chopper |
Aug. 5, 1997 |
| 5642275 |
Multilevel cascade voltage source inverter with seperate DC sources |
Jun. 24, 1997 |
| 5638266 |
Free wheel diode arrangement for neutral point clamped electric power conversion apparatus |
Jun. 10, 1997 |
| 5576944 |
Plural parallel bridge inverter power conversion system with balanced DC input currents |
Nov. 19, 1996 |
| 5541494 |
Motor control system for electric cars |
Jul. 30, 1996 |
| 5535114 |
Power converter |
Jul. 9, 1996 |
| 5486993 |
Controlling apparatus for high frequency high voltage power source for corona discharge processing |
Jan. 23, 1996 |
| 5481448 |
Multilevel inverter having voltage dividing capacitors distributed across multiple arms |
Jan. 2, 1996 |
| 5461556 |
Power converter |
Oct. 24, 1995 |
| 5383108 |
Inverter apparatus |
Jan. 17, 1995 |
| 5179510 |
Power converting apparatus capable of suppressing a fault current |
Jan. 12, 1993 |
| 5164893 |
Low inductance GTO switching circuit for an inverter |
Nov. 17, 1992 |
| 5150287 |
Quarter-bridge circuit for high currents |
Sep. 22, 1992 |
| 5091840 |
Power conversion scheme employing shorting means to control current magnitude |
Feb. 25, 1992 |
| 5075838 |
Energy efficient voltage snubber circuit |
Dec. 24, 1991 |
| 5070440 |
Power conversion scheme employing paralleled units |
Dec. 3, 1991 |
| 5057987 |
Fault detection and protection strategy for a pair of complementary GTO thyristors |
Oct. 15, 1991 |
| 5053940 |
Extinction blocking for GTOs |
Oct. 1, 1991 |
| 5051603 |
Method and apparatus for matching turn-off times of parallel connected semiconductor switching devices |
Sep. 24, 1991 |
| 4965709 |
Switching converter with pseudo-resonant DC link |
Oct. 23, 1990 |
| 4951187 |
Method for controlling a three-phase inverter |
Aug. 21, 1990 |
| 4942511 |
Static power conversion apparatus using a high frequency series resonant DC link |
Jul. 17, 1990 |
| 4926306 |
Electric power converter |
May. 15, 1990 |
| 4920475 |
Integrated traction inverter and battery charger apparatus |
Apr. 24, 1990 |
| 4897775 |
Control circuit for resonant converters |
Jan. 30, 1990 |
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