| Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189) |
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| 03/18/1993 | WO1993005557A1 Motor controller |
| 03/18/1993 | DE4229303A1 Rectifier with independent magnetic amplifiers - has control circuits with series connected phase control group coils |
| 03/18/1993 | DE4127706A1 Reducing commutating noise in power MOSFET based circuit - using three half bridge circuits each having two pairs of MOSFET devices in parallel, and coupled by diodes, for three=phase inverter function |
| 03/18/1993 | CA2077116A1 Blanking interval voltage deviation compensator for inverters and converters |
| 03/17/1993 | EP0531995A2 An AC/DC rectifier power source |
| 03/17/1993 | EP0531941A2 Method and driver for power field-controlled switches with refreshed power supply providing stable on/off switching |
| 03/17/1993 | EP0390786A4 Power supply start circuit |
| 03/14/1993 | WO1993006652A1 Minimization of gto gate driver losses when antiparallel diode conduct |
| 03/14/1993 | CA2096243A1 Minimization of gto gate driver losses when antiparallel diode conduct |
| 03/11/1993 | CA2051043A1 Inverter |
| 03/10/1993 | EP0531189A1 Device and high-voltage power supply unit for an x-ray tube |
| 03/10/1993 | EP0531151A1 Pulse-width-modulation method for providing extended linearity, reduced commutation losses and increase in inverter/converter output voltage |
| 03/10/1993 | EP0530603A1 Circuit for operating a lamp |
| 03/09/1993 | US5193054 DC content control in a dual VSCF converter system |
| 03/04/1993 | WO1993004570A1 Frequency-modulated converter with a series-parallel resonance |
| 03/04/1993 | WO1993004527A1 Resonant power supplies |
| 03/04/1993 | WO1993004526A1 Process and device for adjusting mean values of a correcting variable derived from a switched input variable according to a continuous set correcting variable |
| 03/04/1993 | WO1993004525A1 Method of regulating a quasi-resonant voltage inverter |
| 03/04/1993 | WO1993004524A1 A separation control for multiphase plural inverter systems |
| 03/04/1993 | WO1993004523A1 Circuit and method for testing inverter drive logic switching patterns |
| 03/04/1993 | WO1993004522A1 Plural inverter control arrangement |
| 03/04/1993 | DE4127577A1 High voltage generation system from vehicle electrical circuit for electrostatic soot precipitator - uses voltage regulator producing theoretical value for at least one current regulator regulating flow through precipitator |
| 03/03/1993 | EP0529180A1 AC current detector and power supply circuit |
| 03/03/1993 | CN1069613A Switched mode power supply with startup precharge |
| 03/03/1993 | CN1069603A Control arrangement for parallel operation of PWM inverter |
| 03/02/1993 | US5191519 Current sharing control in a parallel inverter system |
| 03/02/1993 | US5191518 For converting DC to AC |
| 03/02/1993 | US5191262 Extra cost-effective electronic ballast |
| 02/24/1993 | WO1993004566A1 Induction heater |
| 02/24/1993 | EP0528102A2 Protection circuit in inverter for refrigerators |
| 02/24/1993 | CA2093139A1 Induction heater |
| 02/23/1993 | US5189603 Dc to ac electric power converting apparatus |
| 02/23/1993 | US5189601 Half bridge converter with current mode controller |
| 02/18/1993 | WO1993003530A1 Process and arrangement for recognizing defects in power converters |
| 02/18/1993 | CA2114543A1 Process and arrangement for recognizing defects in power converters |
| 02/17/1993 | EP0527641A2 H-bridge flyback recirculator |
| 02/17/1993 | EP0527299A2 Apparatus for feeding DC current into electric distribution networks |
| 02/16/1993 | US5187653 Current limiting device |
| 02/16/1993 | US5187652 Turn-off circuit |
| 02/16/1993 | US5187651 System for discharging electrical power from a high-voltage direct current line to local network |
| 02/10/1993 | EP0527053A2 An auxiliary quasi-resonant DC link converter |
| 02/10/1993 | EP0526453A1 PROCESS AND CIRCUIT FOR OPERATING AN INVERTER WITH n PARALLEL SERVO COMPONENTS. |
| 02/10/1993 | CN1068919A Electric generator with power supply commutating and rotary magnetic field |
| 02/09/1993 | US5185560 Electronic fluorescent lamp ballast |
| 02/04/1993 | WO1993002501A1 Electronic device for converting electrical energy |
| 02/04/1993 | DE4131823C1 Bidirectional power supply circuitry between AC and DC networks - holds intermediate DC at high level using two rectifiers with common connections on DC and AC sides |
| 02/03/1993 | EP0525999A2 Synchronous rectification method for reducing power dissipation in motor drivers in PWM mode |
| 02/03/1993 | EP0525652A1 Switched mode power supply with startup precharge |
| 02/03/1993 | EP0525466A2 Converter fed a controllable multi-phase motor |
| 02/03/1993 | EP0348416B1 Zener diode detector circuit |
| 02/02/1993 | US5184310 Signal generation circuit |
| 02/02/1993 | US5184291 Converter and inverter support module |
| 02/02/1993 | US5184288 High frequency poly-phase rectifier for converting ac power signal to dc |
| 01/28/1993 | DE4224555A1 Output voltage error compensation device for PWM inverter - discriminates polarity of output currents for control of modulator and timer of short-circuit current protection |
| 01/28/1993 | DE4124777A1 DC=AC voltage converter esp. for solar power plants - holds peak value of AC voltage constant while reducing RMS voltage to minimise no=load losses |
| 01/27/1993 | EP0524398A2 Circuit for controlling output current balance between parallel driven PWM-type power inverting units |
| 01/26/1993 | US5182701 Three-phase pwm inverter providing an improved output sinusoidal waveform |
| 01/26/1993 | US5182535 Summing transformer core for star-delta inverter having a separate secondary winding for each primary winding |
| 01/26/1993 | US5182463 3-Phase converter apparatus |
| 01/26/1993 | CA1313219C Pulse width modulation high voltage direct current transmission system and converter |
| 01/21/1993 | WO1993001650A1 Process and device for operating as on-board charging set the inverse rectifier of the threephase current drive of an electric car |
| 01/21/1993 | WO1993001649A1 High-voltage direct-current generator |
| 01/21/1993 | WO1993001648A1 Low impedance bus for power electronics |
| 01/21/1993 | CA2113172A1 Low impedance bus for power electronics |
| 01/19/1993 | US5181160 Driving circuit for inverter microwave oven |
| 01/19/1993 | US5180987 DC-to-AC symmetrical sine wave generator |
| 01/19/1993 | US5180952 Electronic track lighting system |
| 01/19/1993 | US5180950 Power-factor-corrected electronic ballast |
| 01/19/1993 | US5179842 Inverter controlled air conditioner capable of effectively reducing a rush current at starting |
| 01/14/1993 | DE4218662A1 Current regulator using thyristor inverter - uses series thyristor circuits including choke coils, with capacitor and diode across each thyristor |
| 01/14/1993 | DE4123105A1 Power regulation system for electrical lead e.g. motor - monitors supply voltage to power control device for adjusting pulse width modulation power regulation |
| 01/13/1993 | EP0522657A1 Control circuit for a direct current/three-phase current converter |
| 01/12/1993 | US5179512 Gate drive for synchronous rectifiers in resonant converters |
| 01/12/1993 | US5179510 Power converting apparatus capable of suppressing a fault current |
| 01/12/1993 | US5179509 High-frequency and high-voltage power supply unit with internal protecting circuit |
| 01/10/1993 | CA2073469A1 Control circuit for a direct current/three-phase current converter |
| 01/07/1993 | WO1993000782A1 Master-slave half-bridge dc-to-ac switchmode power converter |
| 01/07/1993 | EP0521709A2 Power converting device with inverter circuitry for driving multiple-phase variable-speed motor |
| 01/07/1993 | EP0521467A2 Drive control apparatus for air conditioner |
| 01/07/1993 | EP0521424A1 Shunt connected superconducting energy stabilizing system |
| 01/07/1993 | EP0521183A1 Method and device to determine a current fundamental harmonic space vector from a measured stator current space vector |
| 01/07/1993 | CA2112465A1 Master-slave half-bridge dc-to-ac switchmode power converter |
| 01/06/1993 | CN1067770A Capactiance converting rectification and controllable rectifier circuit |
| 01/05/1993 | US5177678 Inverter apparatus for preventing an overincrease of output frequency |
| 01/05/1993 | US5177677 Power conversion system |
| 01/05/1993 | US5177460 Summing transformer for star-delta inverter having a single secondary winding for each group of primary windings |
| 01/05/1993 | US5177428 Inverter control device capable of supressing dc magnetization in three-phase transformer |
| 12/30/1992 | EP0520500A2 High frequency poly-phase rectifier |
| 12/30/1992 | EP0520410A1 Control apparatus with terminal arrangement |
| 12/30/1992 | EP0207152B1 Solid phase diffusion assay |
| 12/29/1992 | US5175676 Improved short-circuit protection for dc/ac power converters |
| 12/29/1992 | US5175474 Power source for lighting apparatus |
| 12/29/1992 | US5175439 Power supply circuit for motor vehicles |
| 12/24/1992 | DE4121005A1 Thyristor railway track switches forced commutating system for supply rectifier substation - contains common capacitor in parallel with clearing capacitors, of all path branches and reduces clearing capacitor voltage loading |
| 12/24/1992 | DE4121004A1 Commutating circuit for thyristor railway track switches in supply to DC path - contains central clearing device connected to thyristor groups via clearing groups each contg. clearing thyristor and capacitor |
| 12/23/1992 | WO1992022957A1 Rectifier and inverter module |
| 12/23/1992 | WO1992022954A1 Switch mode power supply with reduced input current distortion |
| 12/23/1992 | WO1992022952A1 High power factor, voltage-doubler rectifier |
| 12/23/1992 | EP0519635A2 Method and apparatus for controlling the output voltage of an AC electrical system |
| 12/23/1992 | EP0519555A1 Quasi push-pull single switch current-fed fly-back converter |