About 11 results
https://drivepatents.com/patents/967556 · 12 Nov 2014
An inverter (9), in particular of a photovoltaic system, which can be connected to a three-phase AC power supply network for feeding in regeneratively generated energy, has means (103, E), in particular a control and/or regulation unit or a control input, ...
https://drivepatents.com/patents/994019 · 9 Jan 2013
The arrangement has a photovoltaic generator (1) connected with input terminals of an inverter (3) via a switching device (29), where an output of the inverter is connected with a supply network (12). An asynchronous machine (7) is connected parallel to th...
https://drivepatents.com/patents/997029 · 17 Oct 2012
The system (1) has first and second switching elements (17, 19) connecting positive and negatives poles (11, 13) to a direct-current (DC) input of an inverter (5). The switching elements are opened by a control device (23) when voltages of the poles exceed...
https://drivepatents.com/patents/998551 · 5 Sep 2012
The method involves sensing a currently prevailing voltage as a voltage measurement at the network connection points (15a-15c) and ascertaining a reactive power draw or a reactive power delivery by a power generator e.g. photovoltaic system (PV1) using a l...
https://drivepatents.com/patents/1001367 · 13 Jun 2012
The device has a voltage measuring unit (6) determining voltage value on a network node (5) of a lowest voltage level (3). A computing unit (7) computes an amount of reactive power requirement depending on voltage value that is determined by the voltage me...
https://drivepatents.com/patents/1003055 · 25 Apr 2012
The method involves connecting several electrical loads (V) and energy source (7) e.g. photovoltaic generator through network connection point (5). An alternating current (AC) output of an inverter (9) of solar system is electrically connected to energy so...
https://drivepatents.com/patents/1007969 · 9 Nov 2011
The housing (1) has a pipe piece (11) aligned with an opening (9) at a leg that is formed opposite to a side wall (5). The opening is formed in another sidewall (3) for introduction of a pipe (19) to another leg. A cross-section i.e. diameter, of the pipe ...
https://drivepatents.com/patents/1007893 · 9 Nov 2011
The method involves applying direct-current output voltage of a photovoltaic generator (1) to input terminals (3, 3') of a photovoltaic system, and connecting an output of the system to a supply network (7). Maximum power point of the photovoltaic generato...
https://drivepatents.com/patents/1009181 · 28 Sep 2011
The system (1) has photovoltaic modules (3) electrically connected to a string (5), such that a photovoltaic generator (6) is formed. A string end (7) of the generator forms a negative pole, and another string end (9) of the generator forms a positive pole...
https://drivepatents.com/patents/1009423 · 21 Sep 2011
The generator (1) has series-connected photovoltaic modules including an array of multiple parallel-connected lines. A portion of the photovoltaic modules is short-circuited via a short-circuit switch, where the short-circuit switch is activated when a pre...