Abstract: An apparatus and method for to incrementally reduce (e.g., de-rate) a power supply voltage output (VOUT) of a regulator to multiple subsystems in response to detecting high power conditions in a client device is described. In one instance, multiple low power client devices and a high power consumption client device are coupled to a power grid of the power management system with a power management integrated circuit (PMIC) supplying power to the power grid. The PMIC includes a buck-or-boost switching regulator including a load current adjustment device to de-rate the high power consumption device when a sum of the current consumed by the high power consumption device and the low power client devices is above a predetermined threshold.

Abstract: A wall-mountable remote control device may be installed in place of an existing light switch and may be configured to transmit wireless signals to an electrical load device, such as a screw-in light-emitting diode (LED) lamp, to provide control of the electrical load device. The remote control device may comprise an air-gap switch adapted to be electrically coupled in series between a power source and the controllable light source, but may not comprise a bidirectional semiconductor switch for controlling the amount of power delivered to the electrical load device using a phase-control dimming technique. The remote control device may have a low-profile enclosure that is smaller than an enclosure of a standard dimmer switch, and thus may be easier to install in an electrical wallbox. The remote control device may comprise two parts including an air-gap switch device and a wireless communication device mounted to the air-gap switch device.

Abstract: A novel sensor is provided having a plurality of substantially parallel drive lines configured to transmit a signal into a surface of a proximally located object and also a plurality of substantially parallel pickup lines oriented proximate the drive lines and electrically separated from the drive lines to form intrinsic electrode pairs that are impedance sensitive at each of the drive and pickup proximal locations. A switch is integrated with the sensor.

Abstract: The present disclosure describes systems and techniques relating to wireless charging of mobile devices, such as smartphones and wearable devices. According to an aspect of the described systems and techniques, a mobile data processing device includes: a display; a processor; a memory system; wireless communication hardware; a battery; a coil; and wireless charging circuitry coupled between the coil and the battery; wherein the wireless charging circuitry is configured to charge the battery using power received wirelessly through the coil, and wherein the wireless charging circuitry is further configured to draw power from the battery and operate the coil to wirelessly transmit the power from the battery to another mobile data processing device.

Abstract: A high-voltage direction current transmission path includes at least one or two or more lines. Along at least one of the lines, at least one tapping/feeding point is provided at which at least one group of electrolytic cell stacks can be connected directly by a thyristor switching arrangement. The thyristor switching arrangement of each group of electrolytic cell stacks includes a power thyristor, a bypass thyristor and an emergency shutoff element switched in parallel to the power thyristor in a bypass line.

Abstract: The present disclosure includes an electronic circuit for use in process automation for transferring electrical energy from a terminal element to a sensor over an inductively coupled interface. The sensor measures the power it receives over the inductive interface and compares this value to a target power value. The difference between the actual and target values is communicated back to the terminal element. The terminal element adjusts its power output to the sensor to minimize this difference. The disclosure includes the use of the electronic circuit and a sensor arrangement comprising the electronic circuit, as well as a method for transmitting power.

Abstract: A controller and system with a controller that is configured to determine the energy input to an energy storage device at any time and control the activation of one or more electrical load devices. Each load device has an associated load profile data list that includes parameters pertaining to an energy storage threshold parameter and a nominal energy consumption parameter. The controller activates one load devices and controls the power input to the energy storage device by a proportional amount when the energy input to the energy storage device exceeds the nominal energy consumption parameter of the load device.

Abstract: An electrical assembly comprising a first control system adapted to control a power conversion system, a sensor system adapted to detect conditions relating to the first control system, the conditions comprising temperature and/or humidity, and a heating system adapted to heat the first control system of the electrical assembly. The electrical assembly further comprises a second control system which is adapted to receive information from the sensor system and in connection with turning on the electrical assembly to selectively turn on the first control system and/or the heating system based on conditions relating to the first control system.

Abstract: A system for managing delivery of electric power includes at least one source of electric power supplying an aggregate amount of available power and a plurality of electrical loads, each having a priority designation. There is a power management system electrically connected to the source of electrical power and to the plurality of electrical loads. The power management system monitors electrical power demanded by the electrical loads and the aggregate amount of available power of the at least one source of electric power. When the power management system determines that the aggregate demanded power exceeds the aggregate amount of available power, the power management system continues to provide power to each of said electrical loads but at a power level which is less than demanded to one or more of said plurality of electrical loads based on the priority designation of each of said electrical loads.

Abstract: An inductive charging device, in particular a handheld power tool inductive charging device, having a housing, a receptacle region for accommodating an induction accumulator, a coil unit that includes at least one core element and at least one induction coil that at least partly encloses the at least one core element, and at least one coil housing element that positions at least the coil unit relative to the receptacle region in the housing.

Abstract: A coated wire suitable for aerospace applications includes a metallic conductor elongated along an axis and having an outer surface extending along the axis, and three coating layers surrounding the conductor. A first coating layer is connected to the outer surface of the conductor and extends along the axis to surround the conductor, and the first coating layer is formed of ethene-tetrafluoroethene. A second coating layer is connected to the first coating layer and extends along the axis to surround the first coating layer, and the second coating layer is formed of polyaryletherketone. A third coating layer is connected to the second coating layer and extends along the axis to surround the third coating layer, wherein the third coating layer is formed of ethene-tetrafluoroethene. The three coating layers may each be continuous and seamless extruded layers in one configuration.

Abstract: An inductive power transfer (IPT) pick-up circuit has a full-wave rectifier (D1-D4) coupled to a resonant circuit (L1 C1) and adapted to rectify an AC current received from the resonant circuit. A pair of inductors (L2 L3) are provided, being arranged to couple the rectifier to an output (VLoad) of the pick-up circuit and alternately store and release energy to the output.

Abstract: A force responsive transducer is disclosed. The force responsive transducer can include a force conductive cover, a pretensioner, and a force sensitive resistor. The pretensioner can be located between the force conductive cover and the force sensitive resistor. An apparatus can include a plurality of force responsive transducers, wherein a first transducer and a second transducer are configured to control a window. Processing circuitry in communication with the force responsive transducers can be configured to repeatedly zero calibrate the force responsive transducers.

Abstract: Disclosed herein are methods and systems for providing electrical power to an electrical system. An automatic transfer switch selectively provides power to the electrical system from one or more power supplies through a plurality of power outlet connectors of the automatic transfer switch. The plurality of power outlet connectors of the automatic transfer switch are selectively electrically connected to the one or more power supplies responsive to a state of health of the one or more power supplies.

Abstract: The present invention relates to a voltage source converter based DC connection method and a control method for implementing a system for maintaining respective different frequencies (multi-frequencies) by reflecting load quality levels of respective microgrids when multiple stand-alone microgrids are connected to each other in which voltage source converters (VSCs) installed at connection points of the microgrids for effectively controlling respective microgrids having different frequency control ranges present an effective control method based on a concept using normalizing frequencies of unit microgrids to be similarly applied in an islanded operation mode of multiple grid-connected microgrids as well as multiple stand-alone microgrids to avoid the same frequency criterion and enable an economic operation to which the load power quality level of the microgrid is reflected, thereby minimizing a transient to stably operate a microgrid system.

Abstract: A power supply configured to be operatively connected to at least one load, comprising an AC bus operatively connected to the load, a first AC power source operatively connected to the AC bus, a DC bus, a DC/AC converter operatively connected between the DC bus and the AC bus, a first DC power source, and a load balancer operatively connected between the first DC power source and the DC bus. The power supply operates in a first mode in which power is supplied to the load from the first AC power source through the AC bus and in a second mode in which power is supplied to the load from the first DC power source through the DC bus, the DC/AC converter, and the AC bus.

Abstract: Disclosed are a method of managing power using a wireless charging system, and an apparatus and system therefor. The wireless power management method in a wireless power transmitter for supplying power to at least one user device including a wireless power receiver installed therein includes receiving first to nth state information items corresponding to the at least one user device, respectively, calculating first statistical information based on the first to nth state information items, and transmitting the first statistical information to a server connected via a network. Accordingly, an effective wireless power management method in a wireless charging system is provided.

Abstract: An apparatus and method are provided for communicating over power lines. The apparatus includes a coupling modem that is situated between a power line and a device. The coupling modem is configured to demodulate a signal received from the power line into a sine signal and a cosine signal. The coupling modem is also configured to modulate a communicated bit stream received from the device into a transmitted signal in order to impose the transmitted signal onto the power line.

Abstract: An inverter and a control method are disclosed herein. The inverter includes a first switching circuit, a second switching circuit, and a DC-AC converting circuit. The first switching circuit is configured to selectively switch between connecting a first input terminal receiving an AC source and an output terminal of the inverter, and connecting a second input terminal receiving a DC source and the output terminal of the inverter. The second switching circuit is configured such that the first input terminal and the output terminal are connected during the switching process of the first switching circuit. The DC-AC converting circuit is electrically coupled between the second input terminal and the first switching circuit and configured to be operated in a current control mode to convert the DC source to AC power when the first switching circuit is switched to connect the second input terminal and the output terminal.

Abstract: Various implementations described herein are directed to a method for recording, by a device, identifying information of a plurality of components of a photovoltaic (PV) installation. The method may record, by the device, at least one of timestamps or locations corresponding to each component of the plurality of components. The method may generate, based on the identifying information, timestamps, and locations, a map of the PV installation.