Abstract: A switch assembly includes a case and a direct current (DC) electronic solid-state switch coupled to the case. The case covers the DC electronic solid-state switch, and the DC electronic solid-state switch has an on-state and off-state. The DC electronic solid-state switch blocks between 650 volts and 1200 volts in a single direction in an off-state. The DC electronic solid-state switch continuously carries at least 400 amperes direct current with a voltage drop of less than one volt. The DC electronic solid-state switch also includes a plurality of semiconductor dies each forming a MOSFET. The DC electronic solid-state switch also includes a plurality of signal conductors.

Abstract: An arrangement that includes a bus subscriber with two power supply terminals, at least one bus line terminal and a bus interface circuit for controlling a data flow via the at least one bus line terminal, wherein a controllable switch is located between the bus interface circuit and the at least one bus line terminal and the bus subscriber contains a sensor circuit which records the voltage between the power supply terminals or a voltage derived therefrom and closes the controllable switch if the recorded voltage exceeds a threshold value and opens the same if the recorded voltage fails to reach the threshold value, where with an arrangement including at least two bus subscribers, these bus subscribers are connected with their bus line terminals to a bus having at least one bus line and with their power supply terminals via two current lines to a shared voltage source.

Abstract: There is provided a system that includes a base providing a wireless power source, a rotor situated over the base and configured to spin, and a device coupled to the rotor and configured to spin with the rotor, the device having a display and a wireless power receiver, where the wireless power source and the wireless power receiver are configured to power the device to show an image on the display while the rotor is spinning.

Abstract: A switching device for low or medium voltage electric power distribution networks, the switching device including one or more electric poles and, for each electric pole: an insulating housing defining an internal volume of said electric pole; a first pole terminal and a second pole terminal electrically connectable with a corresponding electric phase conductor of an electric source and with a corresponding electric phase conductor of an electric load, respectively; a movable contact and a fixed contact, which are coupleable/decoupleable one to another, the fixed contact being electric connected with the first pole terminal, the movable contact being electrically connected with the second pole terminal; a stack of semiconductor devices adapted to switch in conduction state or in an interdiction state depending on the voltage provided thereto.

Abstract: A microcontroller controlled altimeter includes a microcontroller, a digital altitude pressure sensor with a pressure indicating output coupled to the microprocessor, and at least one Form A solid state relay coupled to the microcontroller, where the microcontroller is configured to provide control signals to the at least one Form A solid state relay to provide an open circuit between normally open and common terminals of the at least one Form A solid state relay if the digital altitude pressure sensor output is less than, or equal to, a setpoint for the at least one Form A relay, and provide continuity between the normally open and common terminals of the at least one Form A solid state relay if the digital altitude pressure sensor output is greater than the setpoint for the at least one Form A relay.

Abstract: A vacuum pump drive having an electric motor and a frequency converterelectrically connected to the electric motor and arranged at a distance to the motor, wherein in the electric feed line from the frequency converter to the electric motor a transformer in the form of a transmitter of ferrite or sinter material is arranged.

Abstract: Described is a locomotive implant for usage within a predetermined magnetic field. In one embodiment magnetohydrodynamics is used to generate thrust with a plurality of electrodes. In another embodiment, asymmetric drag forces are used to generate thrust.

Abstract: An RF energy transmitting apparatus is applied to an RF energy harvesting apparatus, the RF energy transmitting apparatus includes: a power radar transmitter receiving a power source signal and emits an electromagnetic source wave. A radar controller is electrically connected to the power radar transmitter and receives a reflected harmonic wave. After receiving the electromagnetic source wave, the RF energy harvesting apparatus generates and emits the reflected harmonic wave. After the radar controller receives the reflected harmonic wave, the radar controller determines a polarization angle of a reflection signal from the RF energy harvesting apparatus, and the radar controller adjusts the polarization angle of the antenna of the power radar transmitter to be within a predetermined range around the polarization angle of the reflected harmonic signal from the RF energy harvesting apparatus for an optimal received power.

Abstract: Embodiments described herein provide systems and methods for securing electrical power and/or data communications between a ground system and an aircraft by monitoring characteristics of the electrical power and/or the data communications from the ground system. The ground system may be prevented from providing electrical power and/or data communications to the aircraft when the characteristics are different than expected.

Abstract: One example includes a battery power system that includes a plurality of battery containers. Each of the battery containers can include a plurality of battery modules that provide output power to a point-of-interconnect associated with a power grid. Each of a portion of the plurality of battery containers includes a plurality of original battery modules and at least one of a plurality of redistributed battery modules from a redistributed battery container. The redistributed battery container includes battery modules of a substantially similar state-of-health to the plurality of original battery modules of each of the portion of the plurality of battery containers. The redistributed battery container includes a plurality of newer battery modules with a substantially similar state-of-health that is greater than the state-of-health of the plurality of original battery modules and which were subsequently installed after redistribution of the plurality of redistributed battery modules.

Abstract: A system for an autonomous vehicle includes an array of sensors, a time sensitive network switch, and a data-power interface. The array of sensors is configured to capture one or more objects in an external environment of the autonomous vehicle and generate sensor data based on the captured one or more objects. The time sensitive network switch is configured to receive the sensor data. The data-power interface separately couples at least two of the sensors in the array to the time sensitive network switch. The data-power interface includes power conductors, a first data conductor, and a second data conductor. The power conductors provide the elevated voltage from the time sensitive network switch to the sensors in the array to power the sensors and the first data conductor and a second data conductor are configured to provide a high-speed vehicle communication link between the time sensitive network switch and the sensors.

Abstract: An electrical circuit has a first integrated AC switch circuit connecting a first load to an AC voltage when the first integrated AC switch circuit is ON and a second integrated AC switch circuit connecting a second load to the AC voltage when the second integrated AC switch circuit is ON. The first integrated AC switch circuit generates a first DC voltage across a first capacitor and provides a pulse signal. When a VCCE pin of the second integrated AC switch circuit is coupled to a reference ground, a second capacitor is charged by the second integrated AC switch circuit to provide a second DC voltage. And when the VCCE pin of the second integrated AC switch circuit is floating or pulls high, the second capacitor is charged by the pulse signal.

Abstract: A control grid for a cathode including a plurality of grid cells, with each grid cell including a deflecting layer, an insulating layer and a grid layer. The deflecting layer is in contact with the cathode; the insulating layer is between the deflecting layer and the grid layer; and the grid layer is at a positive voltage relative to the cathode, such that a voltage gradient is created between the cathode and the grid layer which accelerates electrons emitted by the cathode away from the cathode.

Abstract: A communication method of a wireless power receiver performing communication with a wireless power transmitter through a plurality of slots, the method includes receiving allocation of any one of the plurality of slots from the wireless power transmitter, receiving provision of at least one of the plurality of slots from the wireless power transmitter as locked slots subsequent to the allocation, and transmitting information associated with a configuration phase and information associated with a negotiation phase to the wireless power transmitter within the locked slots.

Abstract: A power conditioning system includes a power source, at least one node, a host unit and a voltage regulator unit. The host unit includes a host mechanical housing and is configured to communicate with the at least one node. The voltage regulator unit includes a first regulator mechanical housing and a first voltage regulator circuit. The first regulator mechanical housing is mechanically mated with the host mechanical housing. The first voltage regulator circuit is configured to condition the power from the power source and provide first conditioned power to the at least one node.

Abstract: Electrical power is dynamically managed among one or more power sources and one or more loads. A plurality of monitor nodes is connected to an input terminal connected to each source, and to an output terminal connected to each load. A plurality of electrical power storage cells is connected among the input and output terminals, each cell being capable of storing power from at least one of the sources and being capable of discharging stored power to at least one of the loads. A plurality of controllable switches is connected to the cells. A programmed controller dynamically monitors operating conditions at the monitor nodes during operation of each source and each load, and selectively dynamically controls the switches to interconnect the cells in different circuit topologies in response to the monitored operating conditions.

Abstract: A method for operating an electrical switching device and an electrical switching device are disclosed. In order to ensure reliable operation of an electrical switching device having parallel switching paths allocated to a phase, which have lower switching capacity in comparison to conventional parallel switching paths, the zero current crossings in the phase are detected and at least one switching mechanism, operatively connected to the switching paths, is actuated so that all parallel switching paths allocated to the phase open within a window of time which is in the phase relative to the zero current crossings.

Abstract: An inflatable flotation device includes a main body and a plurality of light emitters coupled to the main body and configured to output light. The inflatable flotation device further includes a power connector including a positive terminal and a negative terminal configured to receive at least one of an input voltage or an input current therebetween. The inflatable flotation device further includes a first circuit control module (CCM) coupled between the power connector and the plurality of light emitters and configured to regulate the at least one of the input voltage or the input current to at least one of an operating voltage or an operating current of the plurality of light emitters.

Abstract: A power supply device includes: a first power supply circuit capable of exerting control of both boosting and bucking; a second power supply circuit configured to be supplied with an output of the first power supply circuit and cause an output to be controlled in accordance with a frequency or a pulse width; and a control unit configured to control the first and second power supply circuits. The control unit is configured to execute control while switching between first control in which the output of the first power supply circuit is made variable and the output of the second power supply circuit is accordingly made variable, and second control in which the output of the first power supply circuit is made constant and the output of the second power supply circuit is set to a predetermined output.

Abstract: A control method of the power generation system of the disclosure is a control method of a power generation system configured with a power generation apparatus and at least one other power generation apparatus coupled to the power generation apparatus herein, the power generation system configured to interconnect with a grid and supply power to a load, wherein a process performed by the power generation apparatus includes a step of obtaining a current value between the power generation system and the grid, a step of determining, based on the current value, respective target power to be generated by the power generation apparatuses, and the other power generation apparatuses, and a step of notifying the other power generation apparatuses of the respective target power.