TDK-LAMBDA UK LIMITED Patent applications |
Patent application number | Title | Published |
20140204620 | Converter - A converter for transferring energy from a voltage supply to an output includes transformer T | 07-24-2014 |
20120250363 | Interleaved Power Converter and Controller Therefor - Disclosed is an interleaved power converter for converting a DC voltage source into a DC voltage output. | 10-04-2012 |
20120176101 | Power Factor Correction Device - Disclosed is a PFC (power factor correction) device for shaping an input current of a power converter. The device includes means for receiving a rectified input voltage derived from an AC input voltage; load determining means for determining a load value L which represents the power drawn by a load supplied by the power converter; current shaping means for shaping the input current of the power converter to follow a reference waveform; and control means for controlling the current shaping means to operate over a conduction interval α during each positive and negative half cycle of the AC input voltage. The duration of the conduction interval is controlled in accordance with the load value L. The current shaping means may shape the input current to follow the reference waveform which crosses zero at phase angles which substantially correspond to the start and end of the conduction interval. | 07-12-2012 |
20120056479 | LOAD SHARING APPARATUS - Load sharing apparatus for load sharing between a plurality of power supplies ( | 03-08-2012 |