Featured patents

3-Phase High Power UPS
US 08842452 B2, Sept. 23, 2014, By semiconductor rectifier and inverter, Henning Roar Nielsen / Schneider Electric IT Corporation (West Kingston, US)
A method of providing AC output power from a UPS, the UPS comprising a multiphase…

Method in a Voltage Source Chain-Link Converter, Computer Programs and Computer Program Products
US 08848407 B2, Sept. 30, 2014, Including automatic or integral protection means, Anders Blomberg / ABB Technology AG CH
A method in a voltage source chain-link converter comprising one or more phases,…

Method of Upgrading a Plant for Transmitting Electric Power and Such a Plant
US 08867241 B2, Oct. 21, 2014, For transfer of power via a high voltage D.C. link, Erik Koldby et al. / ABB Technology AG (Zürich, CH)
A method of upgrading a plant for transmitting electric power through High…

DC/DC Converter, and Electric Generating System Using Solar Cell Having the Same
US 08867238 B2, Oct. 21, 2014, Having synchronous rectifier, Kwang Soo Choi et al. / Samsung Electro-Mechanics Co., Ltd. (Gyunggi-Do, KR)
An electric generating system using a solar cell, which converts a voltage…

Method and Apparatus for Power Converter Fault Condition Detection
US 08755201 B2, June 17, 2014, For flyback-type converter, Alex B. Djenguerian et al. / Power Integrations, Inc. (San Jose, US)
An integrated circuit controller for a power converter having an output that is…

Inverter for a Distributed Power Generator
US 08670249 B2, March 11, 2014, With means to introduce or eliminate frequency components, Praveen Jain et al. / SPARQ Systems Inc. (Kingston, ON, CA)
A circuit for use with an inverter and a distributed power generator, comprising:…

Power Inverter Suitable for a Vehicle
US 08614906 B2, Dec. 24, 2013, With cooling means, Kenichiro Nakajima et al. / Hitachi, Ltd. (Tokyo, JP)
A power inverter comprising:…

Electronic Current Transformer Based on Complete Self-Excitation Power Supply
US 08587971 B2, Nov. 19, 2013, In rectifier systems, Zhongzhan Liu et al. / Xi'an Hwell Optic-Electric Tech Co., Ltd (Xi'an, Shaanxi, CN)
An electronic current transformer based on complete self-excitation power supply,…

LLC Converter Active Snubber Circuit and Method of Operation Thereof
US 08547711 B2, Oct. 1, 2013, For resonant-type converter, Raghothama Reddy / General Electric Company (Schenectady, US)
An active multi-snubber circuit for a power converter, comprising:…

Systems and Methods for Reducing Transient Voltage Spikes in Matrix Converters
US 08462528 B2, June 11, 2013, Transistor, Milun Perisic et al. / GM Global Technology Operations LLC (Detroit, US)
An electrical system comprising:…

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