A method and apparatus for controlling an arc suppression device of a three-phase electric network, the arc suppression device having an adjustable admittance connected between a neutral point of the three-phase electric network and earth, the apparatus being configured to perform a current…
A method of handling one or more errors in a microgrid includes measuring an attribute of a device within the microgrid for a measurement cycle and comparing the measured attribute of the device with a predetermined threshold attribute value. The presence of an error associated with the device is…
A method for controlling a converter supplying a load is described. The converter is connected to an alternating current (AC) grid supplied by at least one renewable energy source. The method comprises receiving a measured AC grid voltage measured in the AC grid and a measured load voltage measured…
An electrochemical device comprises device comprising at least one pouch cell and a safety arrangement is described. The safety arrangement comprises a holding structure and at least one pouch piercing element. The at least one pouch piercing element is held adjacent to a corresponding pouch cell…
A method of controlling a wind farm including a plurality of wind turbines installed in an AC subgrid, which is connected via a high-voltage rectifier and a DC line to an energy conversion device, the method including: controlling a power infeed of each wind turbine to maintain a setpoint grid…
A direct current (DC) microgrid is provided. The microgrid includes a power converter, a power-voltage (PV) droop control loop, and an inner current control loop of the power converter. The PV droop control loop is configured to receive measurements of a droop current quantity that is not a DC bus…
Disclosed herein is a static transfer switch and methods of operating the same. The static transfer switch includes a first switch between a first voltage source and a load, and a second switch between a second voltage source and the load. The first switch and the second switch are configured to…
Systems and methods for a transfer switch including a first switch device at a first leg between a first power source and an electrical load, and a second switch device at a second leg between a second power source and the electrical load and a first resistor circuit including a third switch device…
A method operable by a controller of a static transfer switch (STS) is provided. The STS includes first and second inputs selectively coupled with first and second power sources via first and second circuit breakers, respectively, an output coupled with a load, first and second bypass breakers…
A transfer switch for hybrid switching between a first power source and a second power source, the transfer switch includes a first switch and a second switch, the first and second switch connecting a load to a first power source and a second power source, respectively. The first switch includes at…
A static transfer switch includes first and second inputs, an output, first and second bypass breakers, first and second power stages, first and second contactors, a load switch, and a controller. The first and second inputs are configured to selectively couple with a first power source via a first…
An arrangement for limiting rotation, the arrangement including a base structure; a drive member rotatable relative to the base structure and having a drive feature; a stopping member having at least one driven feature, wherein the stopping member is arranged to be intermittently driven relative to…
A subsea substation system including: an oil-filled water impermeable enclosure; an AC-transformer, and at least one overcurrent device electrically connected to the AC-transformer, the at least one overcurrent device, the AC-transformer, and the electrical connections between them are accommodated…
A computer-implemented method for synchronizing at least one Uninterruptible Power Supply, UPS, information collector and at least one other UPS information collector, comprising: providing at least one virtual UPS information aggregator for synchronizing the at least one UPS information collector…
A power conversion system includes a high voltage (HV) switchgear; a solid-state transformer; and a low voltage (LV) switchgear. The HV switchgear connects to and disconnects from a HV network. The HV switchgear connects to an input of the solid-state transformer, which comprises first and second…
The present invention relates to a power collection system for subsea collection of power from offshore power generation units, the system including: a set of power extender modules being independently arrangeable subsea in a local grid and each being connectable with a respective one of a set of…
In one aspect, a fuel cell power system is provided. The fuel cell power system includes a ring bus, a plurality of bidirectional uninterruptible power supplies (UPSs), a plurality of direct current (DC) fuel cell modules, and a plurality of bidirectional direct current to alternating current…
A system and method for operating a sensor device includes generating an electrical energy corresponding to a heat dissipated from a surface of an equipment, regulating the electrical energy to generate an optimum output voltage using a maximum power point tracking technique and feeding the optimum…
A system and a method for connecting electrical load(s) to a first power source and a second power source including a switching device and a controller. The switching device includes a first semiconductor device pair and a second semiconductor device pair. The controller configured to receive a…
A power distribution assembly having: a first DC power source and a second DC power source each including at least one fuel cell; a first DC bus bar electrically connected to the first DC power source, and a second DC bus bar electrically connected to the second DC power source and galvanically…
The present disclosure provides a method for controlling an energy conversion system. The system includes a rotating electrical machine, a machine-side converter, a DC-link, and a grid-side converter. The method includes modulating the machine-side converter for converting an AC voltage of the…
The present disclosure relates to a power supply apparatus for an electric system including an AC/DC conversion unit electrically connectable to an AC electric power source, said conversion unit being configured to receive an AC input voltage and provide in output a DC charging voltage, a capacitor…
A control network for supporting one or more mobile robots operable in a facility includes: a fleet management system authorized to perform path planning and path execution for the mobile robots; and a network management system authorized to configure and perform resource allocation in an access…
A system and a method for connecting electrical load(s) to a first power source and a second power source including a switching device and a controller. The switching device includes a first semiconductor device pair and a second semiconductor device pair. The controller configured to receive a…
A system for controlling a turbine valve is provided. The system includes a hydraulic pilot valve section being moveable in a first direction and a second direction; a main hydraulic valve section being moveable in a first direction to close the turbine valve and a second direction to open the…
A system for using one of two independent alternating power sources to power a load is provided. The system sets a flux match to a first value, wherein the flux match indicates a set range for switching between powering the load using a first power source and powering the load using a second power…
A charging system for an automated guided vehicle, AGV, is presented. The charging system includes an offboard, meshed charging grid and onboard contact pads. The offboard, meshed charging grid including a charging pole in each grid point, wherein adjacent charging poles are configured with…
A brake device including a first device having a shaft; a brake element having a first frictional brake surface and an engageable structure; a second device rotatable relative to the first device about a rotation axis, the second device including a second member having an opening, a second…
An edge utility management method includes receiving an application to be deployed on an edge device, wherein the application comprises a plurality of separately-deployable application parts; obtaining application profiles for one or more of the applications parts; obtaining hardware profiles for…
A method of controlling battery energy storage comprises a renewable active power source (P), a battery energy storage system (BESS), at least one static load (P) and at least one high dynamic load P. Active power demand of the system in the point of common coupling is at quasi-constant level. The…