| Patents for H02M 5 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases (13,094) |
|---|
| 10/18/2001 | DE10018473A1 Module for matrix converter with which two modules suffice for constructing complete matrix converter based on bipolar transistors |
| 10/18/2001 | DE10017577A1 Device for exchanging electrical power between primary and secondary three-phase systems controls switching state of matrix converter between primary and secondary three-phase systems |
| 10/18/2001 | DE10017186A1 Device for setting voltages of electrical loads e.g. fan motor, defines voltage applied to load by ratio of two periods in cycle with load and short circuit switches operated in opposite senses |
| 10/18/2001 | DE10016999A1 Switching method for reactive load connected to AC supply |
| 10/17/2001 | EP1145604A1 Electronic ballast circuit |
| 10/17/2001 | EP1145413A2 Arrangement for eliminating radio interferences in an electronic power regulator |
| 10/17/2001 | CN2455040Y Intelligent splatter ion pump power-supply controller |
| 10/17/2001 | CN2454984Y Multifunction frequency coverter |
| 10/17/2001 | CN1317867A Intelligent soft frequency conversion method and product |
| 10/17/2001 | CN1317733A Power factor improver |
| 10/11/2001 | WO2001076050A1 Method for controlling freewheeling paths in a matrix converter |
| 10/11/2001 | DE10110223A1 Power converter operation method, e.g. for ac motor control, involves graphically displaying operating instructions and data, which include program for execution of pulse width modulation operation. |
| 10/11/2001 | DE10017432A1 Dimmer switch arrangement e.g. for lighting systems, includes monitor for tracking the dimmer supply voltage supplied from the voltage supply circuit |
| 10/11/2001 | DE10014251A1 AC converter circuit for complex current loads, has AC switch switched on at zero point of alternating voltage and switched off at arbitrary time in each half-wave interval |
| 10/10/2001 | EP1143602A2 Active filter for reduction of common mode current |
| 10/10/2001 | CN1316821A Power conversion device |
| 10/09/2001 | US6300747 Circuit having reduced losses occurring during transforming switching adjusting or controlling electric power |
| 10/04/2001 | WO2001073932A1 Method for protecting a matrix converter against overvoltages and an active overvoltage device |
| 10/04/2001 | US20010026460 Multiway power converter |
| 10/04/2001 | US20010026427 Overvoltage protection apparatus for a matrix converter |
| 10/04/2001 | EP0886815A4 Method and apparatus for electronic power control |
| 10/04/2001 | DE10019696A1 Verfahren und Schaltung zur Verringerung von Störstrahlung in Motorspeiseschaltungsanwendungen Method and circuit for reducing interference in motor supply circuit applications |
| 10/04/2001 | DE10014665A1 Protecting matrix converter against overvoltages involves driving power switches in matrix if predetermined threshold value exceeded by maximum of switch input and/or output voltages |
| 10/03/2001 | CN2452206Y Multi-gear temperature-regulating & speed-changing switch |
| 10/02/2001 | US6297973 Power converter for correcting power factor |
| 10/02/2001 | US6297972 Backup power stage associated with a dual input power supply and method of operating the same |
| 10/02/2001 | US6297971 Phase converter |
| 09/27/2001 | WO2001071900A2 Method and apparatus for direct synchronous rectification in a pulse-width modulated motor controller |
| 09/27/2001 | WO2001071898A1 Improvements relating to converters |
| 09/27/2001 | WO2001071897A1 An improved electrical substation |
| 09/27/2001 | US20010024110 Alternating-current electric power controlling apparatus and method for controlling supply of alternating-current electric power to electric load |
| 09/27/2001 | DE10013692A1 Einphasig gespeistes Antriebssystem Single-phase powered drive system |
| 09/26/2001 | EP1137163A2 Drive train fed by a single phase |
| 09/26/2001 | EP1137158A1 AC switch device used for switching AC circuit and AC switch circuit having the AC switch device |
| 09/26/2001 | CN1314685A Tap convertor with load |
| 09/25/2001 | US6295215 AC power supply apparatus with economy mode and methods of operation thereof |
| 09/25/2001 | US6294901 Power dimmer |
| 09/25/2001 | US6294900 Bi-directional AC or DC voltage regulator |
| 09/20/2001 | WO2001069754A1 Wind power plant |
| 09/20/2001 | DE10013018A1 Elektronischer Dimmer und Verfahren zum Betreiben des Dimmers Electronic dimmer and method of operating the dimmer |
| 09/19/2001 | EP1135007A1 Electronic dimmer and process for carrying out the dimming |
| 09/19/2001 | EP0958650B1 Driving mechanism for industrial installations, in particular for primary industry installations |
| 09/19/2001 | CN1313672A Frequency conversion module with thyristor |
| 09/19/2001 | CN1071515C Three-phase matrix converter and method for operation |
| 09/13/2001 | WO2001067590A1 Pwm cycloconverter and power fault detector |
| 09/13/2001 | DE10011079A1 Single or multi-phase inverter for stepper or synchronous motor, has intermediate circuit with periodically or non-periodically steadily varying output parameter controlled or regulated by continuously controllable semiconducting valves |
| 09/13/2001 | DE10010350A1 Pulse converter operating method involves using parallel current inverters in intermediate circuit operated with clock synchronous pulse width modulation to reduce resonance stimulation |
| 09/13/2001 | CA2402426A1 Pwm cycloconverter and power supply abnormality detection circuit |
| 09/12/2001 | EP0820656B1 Energy control device |
| 09/12/2001 | CN1312610A Mixed power converter |
| 09/06/2001 | DE10042624A1 Inverter equipment for frequency changing with three wire dc link has provision for reducing resonance |
| 09/05/2001 | CN2446715Y 晶闸管变频模块 Thyristor inverter module |
| 08/30/2001 | WO2001063736A1 A device for generating a one-phase alternating voltage |
| 08/30/2001 | US20010017785 Power unit |
| 08/30/2001 | US20010017784 Power unit |
| 08/29/2001 | CN2445506Y Low-current selection control device suitable for alternating current |
| 08/29/2001 | CN1310512A Three-stage dc-to-ac inverter |
| 08/23/2001 | DE19962292A1 Verfahren zum Betreiben einer Drehstromstellerschaltung A method of operating a three-phase converter circuit |
| 08/23/2001 | DE10005449A1 Overvoltage protection circuit for matrix converter based on nine power switches in 3 x 3 switch-matrix - has each semiconductor switch of bidirectional power switch provided with voltage clamp connected across collector -gate circuit |
| 08/22/2001 | EP1126590A2 Power unit including a three-phase generator and a cycloconverter having three-phase input voltage and single phase output voltage |
| 08/22/2001 | EP1126589A2 Power unit including a three-phase generator and a cycloconverter having three-phase input voltage and single phase output voltage |
| 08/22/2001 | EP1126588A2 Method and device for controlling supply of alternating-current power to electric load |
| 08/22/2001 | CN2444341Y High voltage electric power changer with pulsewidth modulation |
| 08/21/2001 | US6278622 Electric power source apparatus including electric power converter circuit and method for controlling the same |
| 08/21/2001 | US6278266 Symmetrical power generator and method of use |
| 08/21/2001 | US6278081 Method and apparatus for producing welding power |
| 08/21/2001 | CA2078796C Electronic device for electric power conversion |
| 08/16/2001 | WO2001059930A1 Phase control method and device |
| 08/16/2001 | US20010014949 Method of and device for supplying electrical power to a load by means of a power modulation system including at least one controlled switch |
| 08/15/2001 | CN2443536Y 冲击电流发生器 The impact of current generator |
| 08/14/2001 | US6275405 Motor drive circuit |
| 08/14/2001 | US6275400 Dropping impedance power supply |
| 08/14/2001 | US6275393 Nonlinear current limiting precharging circuit for a capacitor connected to an output of a line-commutated power converter |
| 08/14/2001 | US6275392 Method and apparatus for pre-charge control of VSI |
| 08/09/2001 | WO2001058000A1 Pwm frequency converter |
| 08/09/2001 | WO2001057995A2 Method for regulating of ac voltage |
| 08/09/2001 | US20010012209 Power factor corrected UPS with improved connection of battery to neutral |
| 08/08/2001 | EP1122849A2 Power converter control device and respective power converter |
| 08/08/2001 | CN1307398A Alternating-current controlling method and device |
| 08/07/2001 | US6271653 Power supply operable with wide input range |
| 08/07/2001 | US6271633 High power factor electronic ballast with fully differential circuit topology |
| 08/01/2001 | EP1120019A1 Circuit for controlling a load to be supplied by an alternating current voltage |
| 08/01/2001 | CN2441261Y Phase increaser for electric power |
| 08/01/2001 | CN1306335A Ten-purpose 220V/380V AC/DC power supply cabinet |
| 07/31/2001 | US6269012 Energy efficient power supply with light-load detection |
| 07/31/2001 | US6269010 CSI based drive having feedforward control of inverter input voltage |
| 07/25/2001 | EP1119095A1 Industrial mains supplied frequency converter for delivering a low voltage at a higher frequency than that of said mains |
| 07/25/2001 | EP1119094A1 Method and device for the supply of electrical energy to a load comprising a dimmer with at least one controlled switch |
| 07/25/2001 | EP1118151A1 Electrical power transmission system |
| 07/24/2001 | US6266258 Power substrate element topology |
| 07/19/2001 | WO2001052602A1 Apparatus and method for inductive heating |
| 07/19/2001 | WO2001052280A1 Device, influencing a conventional transformer, and how to minimize undesirable idling energy |
| 07/17/2001 | US6262899 Power factor corrected UPS maintaining neutral integrity and methods of operation thereof |
| 07/11/2001 | CN2439138Y 电压控制器 Voltage controller |
| 07/11/2001 | CN1303166A Third harmonic injection control method for multi-stage superimposed high-voltage frequency converter |
| 07/05/2001 | WO2001048904A1 Portable generator |
| 07/05/2001 | WO2001048903A1 Method for operating a 3-phase controller circuit |
| 07/04/2001 | EP1112196A1 Method for controlling a power drive system |
| 07/04/2001 | EP0832006B1 High voltage power converter system |
| 07/03/2001 | US6256211 Circuit device for driving an a.c. electric load |