| 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) |
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| 07/03/2013 | CN103185669A Method and apparatus for testing in field wind turbines |
| 07/03/2013 | CN102497110B Wharf marine shore power system |
| 07/03/2013 | CN102185490B Medium-voltage frequency converter capable of realizing AC-AC (alternating-current) direct transformation |
| 07/03/2013 | CN102163924B Current type impedance source AC/AC (alternating current/alternating current) frequency converter and control method of control loop thereof |
| 06/28/2013 | CA2800771A1 Facility for producing electricity comprising a plurality of electrical production devices capable of transforming mechanical energy into electrical energy |
| 06/27/2013 | WO2013095757A1 Harmonics suppression in a power delivery device |
| 06/27/2013 | US20130163293 Buck circuit |
| 06/27/2013 | US20130163292 Mid-point voltage control |
| 06/27/2013 | US20130162047 Methods and Systems For Controlling An Intra-Plant Voltage Level |
| 06/27/2013 | DE102012005959A1 Verfahren und Steuergerät zum Laden eines Zwischenkreiskondensators für ein Schweißgerät A method and control device for charging an intermediate circuit capacitor for a welder |
| 06/27/2013 | DE102011089606A1 Verfahren zum Betreiben einer elektrischen Schaltung A method of operating an electrical circuit |
| 06/27/2013 | CA2857653A1 Harmonics suppression in a power delivery device |
| 06/26/2013 | EP2605989A1 Electricity supply apparatus and an elevator system |
| 06/26/2013 | CN203027154U Ultrasonic cleaner power source |
| 06/26/2013 | CN203027153U Universal smart power grid power electronic device |
| 06/26/2013 | CN203027152U Power unit circuit of high-voltage frequency converter |
| 06/26/2013 | CN203027151U Frequency converter |
| 06/26/2013 | CN203027150U Full-automatic compensation type electric voltage-stabilized power source |
| 06/26/2013 | CN203027149U Three-phase high-power frequency conversion BOOST control circuit |
| 06/26/2013 | CN203027148U Variable-voltage variable-frequency power supply device |
| 06/26/2013 | CN103181070A Voltage control in a direct current power system |
| 06/26/2013 | CN103178777A Mining explosive-proof and intrinsic-safe type variable frequency center |
| 06/26/2013 | CN103178720A High-voltage matrix converter |
| 06/26/2013 | CN102246403B Auxiliary power supply with bidirectional power supply |
| 06/26/2013 | CN102130606B Multifunctional control device of wind power generator based on integrated gate commutated thyristor |
| 06/26/2013 | CN101981798B Power conversion device |
| 06/26/2013 | CN101902131B Supply power adjusting apparatus and semiconductor manufacturing apparatus |
| 06/25/2013 | US8472221 High voltage rectifier using low voltage CMOS process transistors |
| 06/25/2013 | US8471507 Electric power conversion system and electric power conversion device |
| 06/20/2013 | WO2013090852A2 Adaptive current control timing and responsive current control for interfacing with a dimmer |
| 06/20/2013 | WO2013090112A2 System and method for detecting phase loss and diagnosing dc link capacitor health in an adjustable speed drive |
| 06/20/2013 | US20130155748 Conversion Circuit |
| 06/20/2013 | US20130155731 System and method for low speed control of polyphase ac machine |
| 06/20/2013 | US20130155730 System and method for low speed control of polyphase ac machine |
| 06/20/2013 | US20130155729 System and method for detecting phase loss and diagnosing dc link capacitor health in an adjustable speed drive |
| 06/20/2013 | CA2853684A1 System and method for detecting phase loss and diagnosing dc link capacitor health in an adjustable speed drive |
| 06/19/2013 | EP2605390A1 Speed dependent switching frequency reduction in a wind power converter |
| 06/19/2013 | EP2605389A1 Indirect matrix converter |
| 06/19/2013 | CN203014686U An electronic power transformer |
| 06/19/2013 | CN203014685U Series connection type high-voltage frequency converter and pre-charging circuit |
| 06/19/2013 | CN203014684U High-frequency high-voltage magnetic-resistant stabilized voltage supply |
| 06/19/2013 | CN203014683U Household circuit structure capable of converting three-phase power into single-phase power |
| 06/19/2013 | CN203014682U Three-phase 24-pulse traction rectification transformer |
| 06/19/2013 | CN103167711A Electronic ballast |
| 06/19/2013 | CN103166564A Motor driving system and motor driving method |
| 06/19/2013 | CN103166477A Series type energy-storage capacitor circuit for mine intrinsic safety power source |
| 06/19/2013 | CN103166476A Alternating current numerical control pressure regulating and current controlling transmission system |
| 06/19/2013 | CN103166475A Power transmission boosting transformer |
| 06/19/2013 | CN102315783B Push-pull type AC/DC (Alternating Current/Direct Current) converter |
| 06/19/2013 | CN102158100B Triphase variable-frequency power supply with high power and operating method thereof |
| 06/19/2013 | CN101958651B Transformer on-load tap changer using MEMS technology |
| 06/19/2013 | CN101944853B Green power inverter |
| 06/19/2013 | CN101572492B Transformer power combiner |
| 06/18/2013 | CA2620441C Converter circuit comprising distributed energy stores |
| 06/16/2013 | CA2798987A1 High-voltage voltage divider and connector comprising said divider |
| 06/13/2013 | WO2013083761A2 Asynchronous motor unit comprising a frequency converter with electrical isolation in the dc voltage intermediate circuit |
| 06/13/2013 | WO2013082860A1 Onshore power system for wharf ship |
| 06/13/2013 | US20130148389 Power conversion device |
| 06/13/2013 | DE102012023827A1 Wandler Converter |
| 06/13/2013 | DE102012022917A1 Stromversorgungseinheit für Pressmaschine Power supply unit for press machine |
| 06/13/2013 | DE102011056172A1 Prüfeinrichtung zur Durchführung von Funktionstests an Energieerzeugern Test apparatus for performing functional tests on energy producers |
| 06/12/2013 | EP2602925A1 Frequency converter with isolation in direct current circuit for regulating an asynchronous motor |
| 06/12/2013 | EP2602924A1 Cycloconverter |
| 06/12/2013 | CN202997948U A novel frequency converter based on a pre-charging circuit |
| 06/12/2013 | CN202997947U Circuit capable of converting working voltage |
| 06/12/2013 | CN202997946U AC (alternating current) numerical control voltage-adjusting current-controlling transmission device |
| 06/12/2013 | CN202997945U Alternating current input voltage-regulating circuit of adjustable linear voltage-stabilized power supply |
| 06/12/2013 | CN202997944U Adjustable power supply applied to foam cutting heating wire |
| 06/12/2013 | CN202997936U High boost circuit, solar inverter and solar cell system |
| 06/12/2013 | CN103155392A Power supply for a load control device |
| 06/12/2013 | CN103151940A Pulse-width modulation (PWM) rectification module-integrated power supply |
| 06/12/2013 | CN103151937A Frequency conversion unit supercapacitor assembly charge-discharge control loop |
| 06/12/2013 | CN103151936A High-power stepless contactless programmable alternating current zero passage synchronization phase shift voltage regulation controller |
| 06/12/2013 | CN103151809A Efficient variable-voltage control method of power management system |
| 06/12/2013 | CN103149861A Scale absorption device used in water treatment |
| 06/12/2013 | CN102075007B Switching switch device |
| 06/11/2013 | US8462522 Device for connecting a single-phase supply line to a three-phase power supply system |
| 06/07/2013 | CA2798534A1 Converter |
| 06/06/2013 | WO2013081995A2 Mutli-bridge topology |
| 06/06/2013 | WO2013080744A1 Matrix converter |
| 06/06/2013 | WO2013079962A2 Apparatus for controlling the voltage in an alternating current electricity supply |
| 06/06/2013 | WO2013079739A1 System and method for reducing losses in parallel transformer systems in distribution centres |
| 06/06/2013 | WO2013079170A1 Method and circuit for exchanging power between a multi-phase ac voltage system and an electrical subscriber |
| 06/06/2013 | WO2013078763A1 High voltage frequency conversion power supply device |
| 06/06/2013 | WO2013013850A3 Switch mode power supply and method for operating the switch mode power supply |
| 06/06/2013 | WO2012175294A3 Rectifier stage for a subsea power grid |
| 06/05/2013 | EP2600515A1 Ac electrical power regulatory system |
| 06/05/2013 | EP2600492A1 Assembly for an uninterrupted power supply |
| 06/05/2013 | EP2600491A1 Assembly for an uninterrupted power supply |
| 06/05/2013 | EP2600490A1 Assembly for an uninterrupted power supply |
| 06/05/2013 | EP2599208A1 Power supply for a load control device |
| 06/05/2013 | EP2599207A2 Dual-switch current converter |
| 06/05/2013 | CN202978728U Frequency converter special for industrial vibrating spear |
| 06/05/2013 | CN202978727U Single-phase input converter |
| 06/05/2013 | CN202978726U Frequency converter for beam pumping unit |
| 06/05/2013 | CN202978725U Moisture-discharging dust-removing fan frequency converter of tobacco drier |
| 06/05/2013 | CN202978724U Energy feedback type high-voltage frequency converter with RCL low-voltage filter |
| 06/05/2013 | CN202978723U Numerical-control stabilized power supply circuit |
| 06/05/2013 | CN202978722U Alternating current switch power module based on thyristor |
| 06/05/2013 | CN202978721U Power source device |