About 59 results
https://drivepatents.com/patents/996449 · 31 Oct 2012
A grid tied inverter connectable to an electricity grid, the grid tied inverter comprising a DC to DC current fed push-pull converter operable to generate a current waveform from a DC voltage source, the current waveform being substantially synchronised to...
https://drivepatents.com/patents/997048 · 17 Oct 2012
Reconfigurable power systems, converters and plants are disclosed, along with operating methods therefor. Reconfigurable power systems may include a DC power source, an electrical energy storage device, an AC power grid connection, a first power converter,...
https://drivepatents.com/patents/997040 · 17 Oct 2012
Reconfigurable power systems and converters and operating methods therefor are disclosed. Reconfigurable power systems may include a DC power source, an electrical energy storage device, an AC power grid connection, and a power converter configured to sele...
https://drivepatents.com/patents/998411 · 12 Sep 2012
A power distribution system for distributing an electric power charged in a battery to a plurality of dwelling units includes a power generation device which has a independent power generation function and is configured to generate an electric power and ch...
https://drivepatents.com/patents/1000260 · 18 Jul 2012
A power generation system (10, 110, 210) includes a renewable power source (12, 112, 212) for producing source power; a source side converter (32, 132, 232) for converting the source power to converted DC power; a source side controller (38, 138, 238) for ...
https://drivepatents.com/patents/1001014 · 27 Jun 2012
A charge/discharge control device capable of increasing the lifetime of a storage portion while suppressing effects of fluctuation in power generated by a power generator on a power grid is provided. This charge/discharge control device (5) is so formed as...
https://drivepatents.com/patents/1005216 · 15 Feb 2012
According to one embodiment, there is provided a power-fluctuation reducing apparatus (1) in a power generation system (10) to control a converter (5) connected to the power generation system (10) and connected to secondary batteries (2). The power-fluctua...
https://drivepatents.com/patents/1006154 · 18 Jan 2012
The objective of this invention is to provide an autonomous distributed electric power system without depending on a known electric power system. In order to achieve such objective, this invention proposes a following feature: Output frequencies of autonom...
https://drivepatents.com/patents/1006707 · 28 Dec 2011
An energy storage system and a method of controlling the energy storage system are disclosed. The energy storage system includes an integrated controller configured to determine a functional state of a power converting unit, a converter, and an inverter ba...
https://drivepatents.com/patents/1009715 · 31 Aug 2011
A battery system including an assembled battery, a charge mode for charging the assembled battery and a discharge mode for converting electric energy charged in the assembled battery to AC power having the same or substantially the same frequency as a grid...