Abstract: A system for optimizing an energy management of a site, comprising: an energy optimizer, wherein the energy optimizer determines one or more optimization goals based on an optimization algorithm, a data variator adapted to provide at least one first energy data input and at least one second energy data input, different to the first energy data input, to the energy optimizer, wherein the energy optimizer receives the first and second energy data inputs from the data variator, and to determine, based the first and second energy data inputs, respective at least one first and second energy data outputs via the optimization algorithm, wherein a data sensitivity of the energy optimizer is determined with respect to the first and second energy data inputs and the first and second energy data outputs.

Abstract: A computer-implemented method for determining an energy load distribution in a system, comprising: receiving total energy load data of the system, wherein the total energy load data comprises individual energy load data of a plurality of assets; determining at least one energy load peak in the total energy load data; disaggregating the total energy load data into the individual energy load data of the plurality of assets; providing the disaggregated individual energy load data of the plurality of assets for further processing.

Abstract: A method for determining an energy ratio includes providing an energy network model configured to describe an energy flow between a plurality of assets in an energy network, the assets including energy sources and consumers; receiving load demand and power source data; controlling and tracking the first energy flow from the first energy source to the plurality of assets in the energy network and the second energy flow from the second energy source to the plurality of assets in the energy network based on the energy network model and the received load demand data and the received power source data; tracking one or more consuming times of the at least one energy consuming asset; and determining an energy ratio for the at least one energy consuming asset based on the tracked first energy flow and the second energy flow and the tracked consuming time of an energy consuming asset.

Abstract: The invention relates to an alkaline electrolyzer arrangement for producing hydrogen gas. The arrangement includes a first alkaline electrolyzer unit and a second alkaline electrolyzer unit, each one of the first and second alkaline electrolyzer units including a first end plate, a second end plate and a plurality of electrolyzer cells forming a cell stack arranged between the first and second end plates. The alkaline electrolyzer arrangement further including a load bearing surface arranged between the first alkaline electrolyzer unit and the second alkaline electrolyzer unit such that the second alkaline electrolyzer unit is arranged vertically above the first alkaline electrolyzer unit and is supported by the load bearing surface.

Abstract: A method for operating a plurality of electrolyzer-stacks includes determining a concentration of impurities, which is originated by a second reaction gas electrochemically produced at a second electrode type of each of the electrolyzer-stacks, within a first gas stream; generating a trigger signal if the concentration of the impurities of the second reaction gas within the merged first reaction gas exceeds a specific second reaction gas level; identifying at least one electrolyzer-stack out of the plurality of electrolyzer-stacks, which is low performing in respect to excessively feeding second reaction gas impurities into the first gas stream, by measuring a current density of at least one electrolyzer-stack of the plurality of electrolyzer-stacks, if the trigger signal is generated.

Abstract: A computer-implemented method for a plant operation optimization component includes determining optimal operation set points and, based on optimal operation set points and corresponding operational costs, providing output allowing for selecting a tariff.

Abstract: A method for controlling operation of an electrolyzer plant includes using a first model to determine first operating points for a first period of time; using a second model to simulate operation of the electrolyzer plant for the first operating points for a second period of time that is shorter than and comprised in the first period of time, the second model being a model having higher prediction accuracy for the operation of the electrolyzer plant than the first model, and determining whether the simulated operation meets a predetermined requirement. Upon determining that the simulated operation does not meet the predetermined requirement, adjusting one or more parameters and/or one or more boundary conditions of the first model, and upon determining that the simulated operation meets the predetermined requirement, setting the first operating points as target operating points for the predetermined second period of time.

Abstract: A method for establishing and/or improving a simulation model of an electrolyzer plant includes predicting one or more prediction values of at least one quantity; obtaining one or more measurement values of the same at least one quantity that relate to the same given operating state of the electrolyzer plant; determining at least one deviation of the one or more prediction values from the respective measurement values; determining from the deviation and the simulation model a contribution and/or an adjustment to the simulation model; and applying the contribution and/or the adjustment to the simulation model.

Abstract: A method for producing hydrogen using two types of electrolysis systems, the first having an active DC module and at least one first-type electrolyzer producing a first hydrogen output by using a first power from the active DC module, and the second electrolysis system having a passive DC module and at least one second-type electrolyzer producing a second hydrogen output by using a second power from the passive DC module. The method includes increasing the first hydrogen output and when it crosses a first predefined hydrogen output threshold, switching on the second electrolysis system and decreasing the first hydrogen output of the first electrolysis system to the first predefined hydrogen output threshold minus the second hydrogen output, so that an overall hydrogen output of the hydrogen production plant is a sum of the first hydrogen output and the second hydrogen output.

Abstract: A computer-implemented method is provided.

Abstract: An electrolyzer plant comprising a plurality of electrolyzer modules includes a system having a processing unit that determines, for each of the plurality of electrolyzer modules, an electrolyzer module set point at which the electrolyzer module is to be operated, and controls operation of each of the plurality of electrolyzer modules at the respective electrolyzer module set point. The determining comprises inputting data representative of operation characteristics of each of the plurality of electrolyzer modules into the processing unit and the processing unit performing an optimization procedure that outputs the electrolyzer module set points, the optimization procedure comprising an optimization for one or more of overall electrolyzer plant efficiency, overall plant lifetime, lifetime of each of the electrolyzer modules, operational safety, and maintenance patterns.

Abstract: A method for monitoring a continuous industrial process is described. The industrial process includes a number of processing stations for processing material and a material flow between the number of processing stations. Each processing station dynamically provides data representing a state of the processing station. The method includes providing, for each processing station, a processing station layout of the processing station. The method further includes providing, for each processing station, an interface model of the processing station. The method further includes generating an information metamodel from the processing station layout and the interface model of the number of processing stations. The method further includes generating an adaptive simulation model of the industrial process by importing the data representing the state of the processing station provided by the number of processing stations into the adaptive simulation model via the information metamodel.

Abstract: The invention relates to a tap changer for regulating voltage, comprising semiconductor switching elements on a regulating transformer having a regulating winding. The tap changer is modularly constructed, wherein each module comprises a sub-winding of the regulating winding that can be switched on or off by semiconductor switching elements.