#SMA Solar Technology AG

SUPPLY UNIT FOR A DC LOAD, METHOD FOR OPERATING SAME, AND ELECTROLYSIS SYSTEM

The disclosure relates to a supply unit for a DC load, and includes a DC terminal for connecting to the DC load, a first AC terminal connected to a DC bus via a first AC/DC converter, a second AC term…

DRIVE·May 28·1 min read

H02J3/10 SMA Solar Technology AG

DEVICE AND METHOD FOR THE VOLTAGE EQUALIZATION OF A PLURALITY OF TWO-TERMINAL NETWORKS, AND DC POWER DISTRIBUTION SYSTEM

The disclosure is directed to a device for voltage equalization of a plurality of two-terminal networks. The device includes a current-limiting component, and connection pairs, each having a first con…

DRIVE·May 14·2 min read

H02J1/082 SMA Solar Technology AG

METHOD FOR INCREASING THE LIFETIME OF CONVERTER SWITCHES, AND SYSTEM

The disclosure relates to a method for increasing the lifetime of converter switches in a system having an energy source connected to a DC bus and a DC-to-DC converter having the converter switches. T…

DRIVE·Mar 6·1 min read

H02M3/1582 SMA Solar Technology AG

METHOD FOR OPERATING A BATTERY CONVERTER, BATTERY CONVERTER AND SYSTEM

A method for operating a battery converter in a system includes controlling an exchange power of the battery converter using a battery, which is connected to the battery converter, depending on a volt…

DRIVE·Dec 5·1 min read

H02J3/32 SMA Solar Technology AG

DEVICE AND METHOD FOR CONVERTING ELECTRICAL ENERGY

A device for converting electrical power between a PV generator and an electrolyzer. The device has an inverter arranged between a first side thereof and a transformer, and an active rectifier is arra…

DRIVE·Oct 3·2 min read

H02J3/381 SMA Solar Technology AG

ISLAND NETWORK DETECTION BY VOLTAGE SOURCE INVERTERS, AND INVERTER

The disclosure is directed to an island network detection method using a voltage-impressing converter, and includes determining the frequency and phase of a voltage curve of a sub-network connected to…

DRIVE·Sep 26·1 min read

H02J3/388 SMA Solar Technology AG

METHOD FOR OPERATING AN ENERGY SUPPLY SYSTEM, DEVICE FOR EXCHANGING ELECTRICAL POWER IN AN ENERGY SUPPLY SYSTEM, AND ENERGY SUPPLY SYSTEM

The disclosure relates to a method for operating an energy supply system, wherein a first and a second DC unit exchange power with an AC bus using a first and a second power converter. With transmissi…

DRIVE·May 16·1 min read

H02J1/002 SMA Solar Technology AG

METHOD AND CIRCUIT ARRANGEMENT FOR ACQUIRING A CHARACTERISTIC CURVE OF A PV GENERATOR

A method for acquiring a characteristic curve of a PV generator is disclosed. In a power generation installation, an output side of each PV generator is connected via an assigned DC-DC converter, in p…

DRIVE·May 2·1 min read

H02S50/10 SMA Solar Technology AG

METHOD FOR OPERATING AN INVERTER, AND INVERTER

The application describes operating an inverter having an AC connection, a DC connection and an inverter bridge therebetween. The operation includes operating the inverter in a first mode in which, at…

DRIVE·Dec 21·1 min read

H02M1/325 SMA Solar Technology AG

METHOD FOR OPERATING AN ENERGY SUPPLY SYSTEM, SYSTEM CONTROLLER FOR AN ENERGY SUPPLY SYSTEM, AND ENERGY SUPPLY SYSTEM

The disclosure describes a method for operating an energy supply installation which is connected to an AC supply grid via a transformer, and exchanges electrical power with the AC supply grid via the …

DRIVE·Oct 19·2 min read

H02J3/381 SMA Solar Technology AG

POWER CONVERTER FOR TRANSFERRING POWER BETWEEN AN AC SIDE AND A DC SIDE, AND POWER SUPPLY METHOD

A power converter between an AC side and DC of the power converter is disclosed. The AC side is connected to an AC supply grid and the DC side is connected to a DC grid. The power converter includes a…

DRIVE·Sep 14·1 min read

H02M1/32 SMA Solar Technology AG

METHOD FOR BALANCING VOLTAGES IN A DC GRID AND BALANCING UNIT FOR A DC GRID

The application describes a method for balancing voltages on a first and a second DC conductor in a DC grid using a balancing circuit with a first and second semiconductor switch connected in series b…

DRIVE·Sep 7·1 min read

H02J1/14 SMA Solar Technology AG

METHOD FOR OPERATING A DC VOLTAGE GRID AND POWER CONVERTER FOR CONNECTING A DC VOLTAGE GRID TO AN AC VOLTAGE GRID

An electrical system includes a power converter and a DC/DC converter configured to transfer power between an AC side and a DC side thereof. The AC side is connected to an AC supply grid and the DC si…

DRIVE·Sep 7·1 min read

H02J1/00 SMA Solar Technology AG

METHOD FOR OPERATING A HYBRID RECTIFIER, HYBRID RECTIFIER, AND ELECTROLYTIC SYSTEM HAVING SUCH A HYBRID RECTIFIER

A method for operating a hybrid rectifier includes an AC input, a DC output and a thyristor rectifier arranged in a first path, and a transistor rectifier arranged in a second, parallel path. The meth…

DRIVE·Jul 20·2 min read

H02M7/23 SMA Solar Technology AG

METHOD FOR SETTING A POWER CLASS OF AN INVERTER, AND INVERTER

The disclosure relates to a method for setting a power class of an inverter, wherein the inverter has a device type plate containing information about the inverter which is device-specific and indepen…

DRIVE·Jun 15·2 min read

H02J13/00 SMA Solar Technology AG

METHOD FOR OPERATING A BATTERY CONVERTER, BATTERY CONVERTER AND SYSTEM

A described method for operating a battery converter in a system, in which, in addition to the battery converter, an inverter, which is connected to a grid, and a DC load are connected to a common int…

DRIVE·Jun 1·2 min read

H02J3/32 SMA Solar Technology AG

METHOD FOR STABILIZING THE DC VOLTAGE IN A DC GRID, AND DC-TO-DC CONVERTER FOR CONNECTING A PV GENERATOR TO A DC GRID

A method for stabilizing a DC voltage in a DC grid that includes a DC bus connected to a higher-order grid and to which an energy generating system and at least one load are connected. A variable elec…

DRIVE·Mar 16·2 min read

H02J3/381 SMA Solar Technology AG

3-PHASE PV INVERTER WITH 2-PHASE ISOLATED OPERATION IN THE EVENT OF A NETWORK FAULT

The disclosure relates to an inverter including a first bridge branch with a first phase output, a second bridge branch with a second phase output, a third bridge branch with a third phase output, whe…

DRIVE·Mar 9·2 min read

H02J3/388 SMA Solar Technology AG

FAIL-SAFE OPERATING METHOD FOR A DECENTRALIZED POWER GENERATION PLANT

A fail-safe operating method for a decentralized power generation plant DG includes determining a leakage capacitance of a generator of the DG before connecting the DG. The method also includes compar…

DRIVE·Nov 24·1 min read

G01R31/52 SMA Solar Technology AG

METHOD FOR SUPPLYING A DC LOAD, ENERGY CONVERSION SYSTEM AND ELECTROLYSIS SYSTEM

The disclosure is directed to a method for supplying power to a DC load using an energy conversion system that includes first and second rectifiers and a transformer system. Each of the rectifiers con…

DRIVE·Nov 17·2 min read

H02M7/04 SMA Solar Technology AG

ELECTRICAL UNIT AND BACKUP POWER SYSTEM

Disclosed is an electrical unit with a first port configured to be operatively connected to an AC-grid, a second port configured to be operatively connected to an AC-load, and a third port to be opera…

DRIVE·Nov 17·1 min read

H02J9/062 SMA Solar Technology AG

METHOD AND CIRCUIT ARRANGEMENT FOR DETECTING AN ARC, AND PHOTOVOLTAIC (PV) INVERTER HAVING A CORRESPONDING CIRCUIT ARRANGEMENT

The disclosure is directed to a method for detecting an arc in a direct-current circuit including a DC load, a DC source supplying the DC load, and a circuit arrangement arranged between the DC source…

DRIVE·Nov 17·2 min read

G01R31/66 SMA Solar Technology AG

CHANGEOVER DEVICE, RETROFIT KIT AND METHOD FOR SUPPLYING ELECTRICAL POWER TO A LOAD

A changeover device for selectively supplying power to at least one load from a grid or a bidirectional inverter includes an input having a grid neutral conductor connection and a grid phase conductor…

DRIVE·Nov 3·2 min read

H02J9/063 SMA Solar Technology AG

METHOD AND ARRANGEMENT FOR ASCERTAINING A LOAD FLOW MAP WITHIN AN AC-VOLTAGE POWER SUPPLY GRID

A method for ascertaining a load flow map within an AC-voltage power supply grid, wherein a plurality of grid subscribers are each arranged at a respective grid connection point in the power supply gr…

DRIVE·Sep 15·1 min read

H02J13/00002 SMA Solar Technology AG

CONVERTER APPARATUS AND OPERATING METHOD

A converter device configured to exchange power between a first grid and a second grid, including a first inverter configured to connect on an AC side thereof to the first grid, and connected on a DC …

DRIVE·Sep 8·1 min read

H02J3/34 SMA Solar Technology AG

METHOD FOR OPERATING AN ENERGY GENERATING SYSTEM, AND ENERGY GENERATING SYSTEM COMPRISING SAID METHOD

The application relates to a method for operating an energy generating system including a plurality of DC sub-generators which are connected in parallel with one another and in each case to a shared D…

DRIVE·Jul 21·2 min read

H02J3/381 SMA Solar Technology AG

POWER CONVERTER AND METHOD FOR OPERATING A POWER CONVERTER

A power converter with an inverter that is configured to transform electrical power between a DC-side of the power converter and an AC-side of the power converter, includes a first port and a second p…

DRIVE·Jun 30·2 min read

H02J9/062 SMA Solar Technology AG

ENERGY SUPPLY SYSTEM HAVING A COUPLING DEVICE

A local power supply system having a grid transfer point for the connection of an energy supply grid has a first transmission line for transmitting electrical energy from the grid transfer point to a …

DRIVE·May 12·2 min read

H02J3/0073 SMA Solar Technology AG

REGULATING METHOD FOR A DECENTRALIZED ENERGY GENERATING SYSTEM, AND DECENTRALIZED ENERGY GENERATING SYSTEM

A method for regulating a decentralized energy generating system with a plurality of inverters (IN) is disclosed. The method includes receiving at the PPC a detected active power, reactive power and v…

DRIVE·May 5·2 min read

H02J3/381 SMA Solar Technology AG

BATTERY INVERTER SYSTEM

A battery inverter system includes a plurality of battery inverter units, wherein each of the battery inverter units includes a multiphase inverter and a battery unit connected to the inverter on the …

DRIVE·Dec 30·1 min read

H02J3/32 SMA Solar Technology AG

METHOD FOR THREE-PHASE SUPPLY INTO AN ALTERNATING VOLTAGE NETWORK, AND THREE-PHASE INVERTER

A method for three-phase infeed of electrical power from a DC source into a three-phase AC grid by means of an inverter includes measuring phase-specific grid voltages of the three-phase AC grid, and …

DRIVE·Dec 30·1 min read

H02J3/26 SMA Solar Technology AG

CONTAINER FOR AN ENERGY SUPPLY SYSTEM, ENERGY SUPPLY SYSTEM, AND METHOD FOR PROVIDING SAME

A container for an energy supply system includes a first section configured to accommodate an air-conditioning unit and/or a control circuit during transport of the container and operation of the ener…

DRIVE·Nov 18·1 min read

H01M50/209 SMA Solar Technology AG

METHOD FOR PROVIDING CONTROL POWER FOR AN ALTERNATING VOLTAGE SYSTEM BY MEANS OF AN ENERGY-GENERATING PLANT

An energy generation system provides balancing power for an AC voltage grid, and comprises a photovoltaic generator and an energy store, wherein the energy generation system exchanges a total electric…

DRIVE·Oct 21·2 min read

H02J3/32 SMA Solar Technology AG

SYSTEM FOR DISTRIBUTING LOCALLY GENERATED ENERGY TO MULTIPLE LOAD UNITS

A system for distributing locally generated energy from at least one renewable DC source to a plurality of local load units of the system, including, for each load unit: an input terminal configured t…

DRIVE·Sep 23·2 min read

H02J1/14 SMA Solar Technology AG

METHOD AND APPARATUS FOR IDENTIFYING AN ASSOCIATION OF PHASE LINES TO CONNECTIONS OF AN ELECTRICAL DEVICE CAPABLE OF UNBALANCED-LOAD OPERATION

A method for identifying an assignment of phase lines of an electrical distribution grid to connections of an electrical device capable of unbalanced-load operation, wherein the device is connected to…

DRIVE·Jul 15·1 min read

G01R31/67 SMA Solar Technology AG

METHOD OF REPOWERING A PHOTOVOLTAIC PLANT

A method of repowering a photovoltaic power plant from a first configuration is described, wherein in the first configuration, a pair of combiners is connected in series between two homeruns via a PV …

DRIVE·Jun 10·2 min read

H02S40/32 SMA Solar Technology AG