Abstract: A method of determining a mixing state of a medium in a container includes: transmitting a plurality of acoustic signals at least partly through the medium and receiving the plurality of acoustic signals after at least partly traversing the medium; determining at least one propagation value of at least one propagation quantity for each of the plurality of received acoustic signals to provide determined propagation values, each at least one propagation quantity being indicative of an interaction of the acoustic signals with the medium; determining at least one fluctuation value of at least one fluctuation quantity based on the determined propagation values to provide a determined at least one fluctuation value, each at least one fluctuation quantity being indicative of and/or correlating with a variance of the determined propagation values and/or with a state of a mixture; and determining the mixing state of the medium.

Abstract: An uninterruptible power supply device includes a rectifier module coupled to an electrical power grid, an inverter module coupled to the rectifier module, and a battery converter module. The rectifier module can process a higher amount of electric power as the designed electrical power provided by the inverter module to enable the uninterruptible power supply device to provide stabilization support to the electrical power grid, wherein the rectifier module comprises at least two rectifier submodules, each dimensioned to process an amount of electrical power according to a capability of the inverter module to process power. The rectifier module is configured to electrically couple the rectifier submodules selectable to process a higher amount of electric power as the inverter module to provide stabilization support to the electrical power grid.

Abstract: A resonant DC/DC converter which has a first DC link, preferably including a first DC link capacitor; a DC/AC converter which has a first plurality of N>1 converter bridges connected in parallel to the first DC link; each converter bridge comprising a plurality of switches each of which may be switched between a conducting state and a non-conducting state. The resonant DC/DC converter also includes an AC intermediate circuit having an input connected to an output of the DC/AC converter and comprising: a transformer, preferably a medium frequency transformer, having a primary side and a secondary side; the primary side comprising at least one primary winding; a first plurality of N capacitors, wherein for each converter bridge, a different one from the first plurality of capacitors is connected between said converter bridge and the at least one primary winding.

Abstract: A system, method, and/or apparatus is provided for production processes in which online frequently derived measurements are determined use existing online and/or offline reference measurements and real-time and/or historical data to model process variables and/or product properties to achieve enhanced production goals.

Abstract: A cooling frame for cooling an electric motor is provided. The cooling frame includes a header and a plurality of fluid conduits configured to carry a fluid and facilitate an exchange of heat between the fluid and the electric motor. The header includes at least one header port for exchanging fluid into or out from the header; a first plate comprising a central opening; and a plurality of conduit ports on the first plate positioned around the central opening, wherein each conduit port is fluidly connectable to a respective fluid conduit of the plurality of fluid conduits. The header also includes a first channel fluidly connecting the at least one header port and a first conduit port of the plurality of conduit ports, and a second channel fluidly connecting a second conduit port and the at least one header port.

Abstract: A method and a sensor device for evaluating residual Sulphur in a cement preheater of a cement kiln, wherein the residual Sulphur is based on the values of the fuel Sulphur content, the fuel rate of consumption, the hotmeal quality and the clinker Sulphur content. A method for evaluating blockage in a cement preheater includes evaluating the residual Sulphur in the cement preheater, determining an agglomeration rate of Sulphur compounds agglomerating on an inner surface of the cement preheater based on the residual Sulphur, and evaluating a level of blockage in at least one predetermined pathway of the cement preheater using a blockage evaluation unit, wherein the level of blockage is based on the agglomeration rate.

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 lamination for a stator of an electric motor includes: a material sheet having a generally circular shape with a center and a radial direction, an outer contour, and an inner contour, the outer and inner contours being generally concentric with the center. The inner contour is defined by an arrangement of a plurality of teeth and a plurality of stator slots, each tooth of the plurality of teeth having one stator slot of the plurality of stator slots to a first side of the tooth and one stator slot of the plurality of stator slots to a second side of the tooth, the inner contour defining a rotor hole for receiving a rotor of the electric motor. The material sheet has a plurality of internal cooling holes arranged around the rotor hole.

Abstract: Embodiments of the present disclosure provide an apparatus and a method for operating a pair of twistlocks and an associated robot. The apparatus comprises a first component adapted to clamp a first twistlock to allow the clamped first twistlock to be removed from a container; and a second component arranged adjacent to the first component and adapted to clamp a second twistlock to allow the clamped second twistlock to be removed from a container; or receive the first twistlock released from the first component to allow the first component to clamp the second twistlock. With the first and second components, the pair of twistlocks, especially mid-type twistlocks, can be operated more quickly with less operation steps. In this way, the operation efficiency for operating the mid-type twistlocks can be significantly improved with lower costs.

Abstract: 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 (DC-AC) power converters. Each of the plurality of UPSs is electrically coupled to at least one battery, an AC utility feed, a load, and via a choke, the ring bus. Each of the plurality of DC fuel cell modules includes one or more fuel cells coupled to a hydrogen storage. Each of the plurality of bidirectional DC-AC power converters is electrically coupled to a corresponding one of the plurality of DC fuel cell modules and a corresponding one of the plurality of bidirectional UPSs at the AC utility feed.

Abstract: A method, arrangement, computer program and computer program product for improving communication between devices of an industrial automation system running automation applications as well as to such an industrial automation system. The devices include a first and a second endpoint device of a communication path for a data stream through a time sensitive network and for which a corresponding application has an application cycle time at which the first and second endpoint device are to transmit data to each other. The first endpoint device detects a communication degradation of the data stream, which communication degradation is indicative of congestion and performs a congestion limiting activity from a group of congestion limiting activities, which group at least includes an activity of increasing the application cycle time of the data stream.

Abstract: A heat exchanger including a corrugated heat transfer sheet having a first surface and a second surface on opposite sides thereof, a first flow channel for a first fluid flow in a first flow direction parallel to a longitudinal direction, and a second flow channel for a second fluid flow in a second flow direction parallel to the longitudinal direction, the second flow direction being opposite to the first flow direction. The heat exchanger includes a channel dividing system which provides the first flow channel and the second flow channel on opposite sides of the corrugated heat transfer sheet such that the first fluid flow is adapted to be in contact with the first surface, and the second fluid flow is adapted to be in contact with the second surface.

Abstract: Transporters and methods for transporting an object. The transporter includes a carrier comprising a plurality of coupling members; a support assembly adapted to support the carrier; and a plurality of automatic guided vehicles configured to obtain kinematic information from a leading automatic guided vehicle of the plurality of automatic guided vehicles. Each of the plurality of automatic guided vehicles includes a carrier connecting member coupled to the respective coupling member of the carrier to enable the carrier to move with the plurality of automatic guided vehicles; and a patrol assembly adapted to enable the respective automatic guided vehicle to move along the predetermined path.

Abstract: A self-powered IED for a pole-mounted auto-recloser connected to an electric line includes a main control module and a lockout indication module. The main control module determines a fault in the electric line and trips the auto-recloser. During a permanent fault in the electric line, the auto-recloser is remained open, and the main control module activates a lockout state by generating a lockout set signal. The lockout indication module comprises a light source and super-capacitors. The super-capacitors provide stored charges to the light source when the lockout state is activated to provide notification throughout the lockout state.

Abstract: Embodiments of present disclosure relate to an apparatus and a method for controlling a delta-connected cascaded multilevel converter. The apparatus (100) for controlling a delta-connected cascaded multilevel converter (110) comprises: a converter controller (102) configured to: receive current signals indicating phase currents flowing through respective phase arms of the converter (110); determine a harmonic current signal indicating a circulating current of the converter (110) from the current signals; and generate, based on the determined harmonic current signal and a reference current signal, a harmonic voltage signal to cause an amplitude of the circulating current flowing through the phase arms of the converter (110) to be a predetermined amplitude.

Abstract: An apparatus for performing the following: the apparatus maintains, in a database, one or more trained machine learning algorithms for predicting an optimal charging strategy for a time interval based on one or more values of a set of prediction parameters relating to a point of common coupling and one or more electrical load devices and on a state of charge level of the battery energy storage system. The apparatus obtains one or more recent values of the set of prediction parameters relating to one or more previous time intervals and predicts, using the one or more trained machine learning algorithm, an optimal charging strategy for a next time interval based on the one or more recent values and a current state of charge level of the battery energy storage system. Finally, the apparatus operates the battery energy storage system using the predicted optimal charging strategy.

Abstract: A method for recovering missing phase measurement unit (PMU) measurements from a plurality of PMUs is provided. The method comprises: receiving a plurality of obtained PMU measurements from the plurality of PMUs; populating a PMU dataset based on the plurality of obtained PMU measurements; determining a plurality of missing entries within the PMU dataset, wherein each of the plurality of missing entries indicates a missing PMU measurement within the PMU dataset at a particular time; determining a plurality of substitute entries for the plurality of missing entries based on an optimization algorithm that determines differences associated with a missing entry, of the plurality of missing entries, and a first set of PMU measurements, of the plurality of obtained PMU measurements, that are taken immediately prior to the missing entry; and inserting the plurality of substitute entries into the PMU dataset to generate a new PMU dataset.

Abstract: A current sensing device includes a substrate and one or more coil elements. The substrate comprises a plurality of holes extending at least partially through the substrate from a first surface of the substrate. The coil element comprises two locating pins. A first locating pin engages a locating cavity of a first flange and locates in a first hole. A second locating pin engages another locating cavity of a second flange and locates in a second hole. The end of the first locating pin bends to form an obtuse angle. The end of the second locating pin also bends to form an obtuse angle.

Abstract: A current sensing device comprises N coil elements, arranged in annular or polygonal configuration. Coil at =1 is adjacent coil at i=N, and coil at i=x is adjacent to coils at i=x?1 and i=x+1. Each coil comprises a plurality of wire winding layers comprising innermost and outermost wire winding layers that are electrically connected to each other. The outermost layer of coil at i=1 is connected to a terminal via an electrical link. The outermost layer of coil at i=y is connected to innermost layer of coil at i=y?2 via an electrical link. Outermost layer of coil at i=2 is connected to a terminal via an electrical link. Outermost layer of coil at i=z is connected to innermost layer of coil at i=z-2 via an electrical link. Innermost layer of coil at i=N is connected to innermost layer of coil at i=N?1 via an electrical link.