Abstract: An electrified door or window system having a frame with a power transmitting device and a door or window having a power receiving device. The power receiving device is electrically connected to the power transmitting device in the frame of the door or window. At least one powered device is integrated in the door or window. At least one electrically conductive pathway extends from the power receiving device to the at least one powered device. A controller is provided to control the flow of power from the power receiving device to the at least one electrically conductive pathway.

Abstract: In one example, a system for bypass switch control includes a controller coupled to a number of backup power modules and to a number of bypass switches that correspond to each of the number of backup power modules, wherein the controller activates a bypass switch when a corresponding backup power module is deactivated.

Abstract: A controllable electrical outlet may be used to control one or more standard electrical outlets. The controllable electrical outlet may include a first connection configured to be electrically coupled to a hot connection, a second connection configured to be electrically coupled to a standard electrical outlet, and a third connection configured to be electrically coupled to a neutral connection. The controllable electrical outlet may also include a load control circuit, a communication circuit, and a control circuit. The load control circuit may be electrically coupled in series between the first and second screw terminals to control power delivered to the standard electrical outlet, and the control circuit may be coupled to the load control circuit and the communication circuit. The control circuit may be configured to control power delivered to the standard electrical outlet in response to a wireless signal received via the communication circuit.

Abstract: A power supply control system includes a power supply circuit that supplies power, an electronic component that is operable by the power supplied from the power supply circuit, starts shutdown processing in response to an input of a stop instruction signal, and operates when an operation instruction signal is input, and a signal control circuit that receives a power input state signal or a power cutoff state signal as a power state signal indicating a state of the power supply circuit, outputs the stop instruction signal when the power cutoff state signal is input, outputs the operation instruction signal when the power input state signal is input, and outputs the stop instruction signal at least during the shutdown processing when the power input state signal is input in a case in which the shutdown processing of the electronic component is not finished.

Abstract: An autozeroed comparator controls a frequency fsw of the input voltage inputted to a DC/DC converter. A digital frequency synchronization circuit is connected to the autozeroed comparator so as to form a phase locked loop, wherein the DES circuit controls the hysteretic window of the autozeroed comparator so as to lock fsw to a clock reference frequency. A plurality of slave phase circuits may be connected to the master phase circuit including the DFS circuit and the autozeroed comparator. Duty cycle calibration circuits adjust a duty cycle signal applied to each of the slave phase circuits, in response to average current measured in the slave phase circuits, so that each slave phase circuit is synchronized with the master phase circuit. A 6 A 90.5% peak efficiency 4-phase hysteretic quasi-current-mode buck converter is provided with constant frequency and maximum ±1.5% current mismatch between the slave phases and the master phase.

Abstract: A system and method for regulating a voltage at a point of common coupling (35) (PCC) of a distributed energy resource farm (1) connected to an electrical power grid (37). The distributed energy resource farm includes a plurality of connected distributed energy resources (2, 3) each supplying a terminal voltage. The system includes a component (50) for measuring a PCC voltage at the PCC, and another component (39, 41) for determining a first value based on a relationship between a scheduled voltage at the PCC and the measured PCC voltage relative to a dead band voltage region (66). A further component (39, 41) regulates the voltage at the point of common coupling by controlling the terminal voltage of each one of the plurality of distributed energy resources in response to the relationship between the scheduled voltage and the measured voltage at the PCC.

Abstract: Provided are a power transmitting device, a power receiving device, a power supply system, and a power supply method able to supply electric power by emitting electromagnetic waves. A power transmitting device comprises: a calculating unit for calculating the maximum value for the emitted output of electromagnetic waves meeting exposure standards on the basis of a response delay time measured by the communication link between the power transmitting device and a power receiving device; a power transmitting unit for transmitting power via a power supply link with the power receiving device at an output not exceeding the maximum value; an anomaly detecting unit for detecting an anomaly in the power supply link on the basis of communication with the power receiving device via the communication link; and an output control unit for controlling the output on the basis of the detection of an anomaly in the power supply link.

Abstract: According to various embodiments, there is provided a power supply circuit including: a power switch configured to activate one of a primary power source or a secondary power source based on a state of charge of the secondary power source; wherein the primary power source is configured to, when activated, power a low power component; and wherein the secondary power source is configured to, when activated, power the low power component and a high power component; and a clock switch configured to provide a clock signal to the high power component based on the state of charge of the secondary power source.

Abstract: A system includes a first and a second vehicle power distribution buses electrically isolated from one another, a first DC to DC converter electrically connected to the first power distribution bus, and a second DC to DC converter electrically connected to the second power distribution bus. The system includes a first battery electrically connected to the first power distribution bus, and a second battery electrically connected to the second power distribution bus.

Abstract: A power transfer device includes a power transfer part configured to contactlessly transfer power to a power reception part of a power reception device, a sensor configured to detect a foreign object that is present between the power transfer part and the power reception part, and a controller configured to control the power transfer part and the sensor. The controller is configured to execute initial learning that learns an initial state of a detection result of the sensor before initiation of foreign object detection using the sensor. The controller is configured to determine presence of the foreign object by using a difference between the initial state and the detection result of the sensor after execution of the initial learning. The controller is configured to control the power transfer part to reduce power to be transferred to the power reception part when the initial learning is not normally executed.

Abstract: A magnetic field which is partially a variable magnetic field with high or low magnetic field strength is formed at a predetermined region. A plurality of coil pieces and generating a variable magnetic field and a power-supplying coil which is provided to generate an induced current for at least one of the coil pieces and are provided, and coil ends of two or more of the coil pieces and are connected to each other.

Abstract: A switching device for low or medium voltage electric power distribution network, the switching device including one or more electric poles, each electric pole including: an insulating housing extending along a longitudinal axis and fixed to a main support structure of the switching device; a first pole terminal and a second pole terminal electrically connectable with a corresponding phase conductor of an electric power source and with a corresponding load conductor of an electric load, respectively; a movable contact and a fixed contact, which are electrically coupleable or decoupleable one with or from another upon a movement of the movable contact towards or away from the fixed contact, the fixed contact being electrically connected with the first pole terminal, the movable contact being electrically connectable with the second pole terminal; a movable circuit assembly including a plurality of semiconductor devices adapted to switch in a conduction state or in an interdiction state depending on the voltage

Abstract: A magnetic field is formed at a predetermined region. A magnetic field formation device configured to generate a variable magnetic field at a predetermined region includes power supplying resonators. All of the power supplying resonators are provided so that coil surfaces oppose the predetermined region, and at least one of the power supplying resonators is provided to have a coil surface direction intersecting with the coil surface direction of the other one of the power supplying resonators.

Abstract: A power converter may be adapted to provide an output voltage from one of two input voltages. The power converter may include two or more buck converters that share a plurality of power converter components and each converts an individual input voltage to the output voltage. The power converter may include any of a variety of charge equalizing components that may be coupled between input terminals and optional input capacitors, which are coupled between the input terminals and ground. The charge equalizing component(s) provide(s) a fast conduction path for the equalization of input voltages and charge/voltage of the optional input capacitors. The charge equalizing component(s) can mitigate large currents created by differential voltages between the input terminals, which currents would otherwise flow through and potentially damage or destroy the power converter's switching devices.

Abstract: Systems and methods for controlling power distribution are provided. More particularly, in one embodiment, a method can include monitoring a first plurality of electrical characteristics for each power source of a plurality of power sources. The plurality of power sources can include a first generator, a second generator, an auxiliary power source, and an external power source. The method can include monitoring a second plurality of electrical characteristics for each bus of a plurality of buses. The plurality of buses can include a first electrical bus, a second electrical bus, and an electrical tie bus. The method can further include selectively controlling a power distribution of the plurality of power sources among the plurality of buses based, at least in part, on the first and second pluralities of electrical characteristics.

Abstract: A power supply arrangement having an interface for operation of a multi-voltage system of an agricultural vehicle includes a first network segment with a motor generator connected thereto and a second network segment with a lead battery connected thereto. The first network segment has a first voltage level corresponding to a nominal voltage of the lead battery for operation of an electric vehicle components, and the second network segment includes a higher second voltage level for charging the lead battery and providing electric power to an electric load comprising an agricultural implement. The interface forms a voltage source connecting the two network segments and provides an equalization voltage resulting from the two voltage levels in a charging mode and which is bypassed in a motor operating mode.

Abstract: A method for operating an inverter and an inverter arrangement including an inverter, and a controller configured to control the inverter to convert DC power into AC power with a DC input voltage control by applying a maximum power point tracking, MPPT, during the converting, in response to the DC power supplied to the inverter exceeding a predetermined power threshold value, control a DC input voltage of the inverter to a lowered value lower than a voltage value corresponding to the maximum power point, and after controlling the DC input voltage of the inverter to the lowered value, control the inverter to convert DC power into AC power with the DC input voltage control by applying the lowered DC input voltage value.

Abstract: A high frequency battery charging device including a battery charger system and an engine start system is disclosed. In at least one embodiment, the high frequency battery charging device may include a battery charger system formed from a first high frequency transformer configured to charge a battery, and may include an engine start system formed from a second high frequency transformer configured to charge a supercapacitor bank, which in turn is configured to start and engine coupled to a battery. The high frequency battery charging device may be configured to be coupled to a battery. In at least one embodiment, the high frequency battery charging device may be configured to be coupled to a battery positioned within a vehicle. The high frequency battery charging device may be coupled to the battery with the high frequency battery charging device being positioned outside of the battery.

Abstract: A magnetic field is formed at a predetermined region. A magnetic field formation device configured to generate a variable magnetic field at a predetermined region A includes: at least one power supplying resonator configured to generate the variable magnetic field; and power-supplying coils configured to generate an induced current in the at least one power supplying resonator, all of the power-supplying coils and the at least one power supplying resonator being disposed so that coil surfaces oppose the predetermined region A, and at least one of the power-supplying coils being disposed to have a coil surface direction which intersects with coil surface directions of the other power-supplying coils.

Abstract: A method for regulating a converter to autonomously stabilize the frequency of a microgrid comprising a generating set, the method comprising: a determination of a power regulation variable from a power variation resulting from the initial power setpoint from which the estimated active power and the active damping value have been subtracted, a calculation of a second power variation at least from the difference between the power regulation variable and the estimated active power, and a determination of a frequency command value for commanding the converter from the second power variation, a reception of a frequency value characteristic of a load variation of said microgrid to which the converter is intended to be connected, and a determination of an active damping value from the received frequency value.