About 190 results
https://drivepatents.com/patents/989131 · 3 Jul 2013
There is provided a power conversion apparatus including a power converter being so configured that an alternating-current switch constituted of a series connection of two valve devices each constituted of a semiconductor element and a diode connected in i...
https://drivepatents.com/patents/989105 · 3 Jul 2013
Embodiments of the present invention provide an inverter apparatus and a solar photovoltaic grid-connected system, related to the field of solar photovoltaic power generation technologies, to solve the problem that the energy consumption of a boost circuit...
https://drivepatents.com/patents/984753 · 26 Jun 2013
The arrangement has outer-sided phase conductors (P1-P3) connected with phases (L1-L3) of a three-phase alternating voltage system (WN). Each phase conductor is fed over a series connection to form two switching contacts (SK1, SK2) of various electromagnet...
https://drivepatents.com/patents/990187 · 5 Jun 2013
There is disclosed a power system comprising: a microsource including a voltage source inverter, the microsource being configured to connect to a utility grid, the utility grid coupling a plurality of power sources; and a controller coupled to the voltage ...
https://drivepatents.com/patents/984917 · 5 Jun 2013
A battery free off-grid solar inverter system (200) includes an inverter (202) and a controller (204). The inverter (202) is used for converting a direct current (DC) voltage provided by a solar panel (206) into an alternating current (AC) voltage. The inv...
https://drivepatents.com/patents/990440 · 22 May 2013
A power inverter system (100) includes a plurality of power inverters such as solar inverters (108), (110), (112), (114) receiving power from at least one energy source (104), (106). Each power inverter includes algorithmic maximum peak power tracking (MPP...
https://drivepatents.com/patents/985001 · 24 Apr 2013
A power management system (12) comprising a processor is provided. The power management system (12) obtains maximum operating capacities of the power converters (16) over time while in the curtailed mode and uses at least some of the maximum operating capa...
https://drivepatents.com/patents/985132 · 17 Apr 2013
A method for adjusting a PV inverter, a method for driving a PV inverter, and apparatuses thereof are provided, which are applicable in the filed of electronic and information technology. The method for adjusting a PV inverter includes: detecting a first o...
https://drivepatents.com/patents/985050 · 17 Apr 2013
The device (I) has two functionally coupled changeover switches (S12, S34) connected in series between two input side direct current (DC) voltage sources (Udc1, Udc2). Connection pieces (VS1, VS2) are provided between the changeover switches. A connection ...
https://drivepatents.com/patents/985249 · 3 Apr 2013
A photovoltaic generation system using grid-connected parallel inverters comprises a plurality of photovoltaic generation devices connected in parallel with each other, and a transformer configured to transform and transfer output voltages of the photovolt...