Abstract: A battery controller and method for controlling a battery include training parameters for a battery capacity prediction model based usage of similar batteries and capacity information for the respective similar batteries. The model characterizes a capacity decay rate. Future battery capacity is predicted for a battery under control based on the battery capacity prediction model and a present value of the battery capacity. One or more operational parameters of the battery under control is controlled based on the predicted future battery capacity.

Abstract: The present invention relates to a battery cell balancing system and method using LC resonance. The present invention comprises: a drive unit including one or more battery cells connected in series, a resonance module for performing a resonant operation, and a switch unit provided so as to allow electric charges stored in the resonance module to be transferred to each of the one or more battery cells; and a control unit for measuring a resonance period of the resonance module according to a voltage state of each of the one or more battery cells, and transferring the electric charges charged in the resonance module to each of the one or more battery cells by controlling an on/off operation of the switch unit according to the measured resonance period.

Abstract: Disclosed examples include battery apparatus and balancing circuits for transferring charge between one or more of a plurality of battery cells and a second battery, in which a battery is coupled with a first winding of a transformer, and the second battery is coupled with a second transformer winding. A first transistor is turned on to allow current flow in the first winding to discharge the first battery, and then the first transistor is turned off. The resulting induced voltage in the second winding turns on a second transistor to provide flyback active charge balancing to charge the second battery. A signal from the third winding allows detection of low or zero current flow in the second winding for a controller to begin subsequent charge transfer cycles for full isolation between the first and second batteries.

Abstract: A voltage detecting device includes a plurality of batteries, a plurality of filters each including a resistor and a capacitor, a plurality of discharge circuits each including a resistor, a switch, and a capacitor connected in parallel to the switch, a first voltage detecting circuit that includes a first filter among the plurality of filters and a first discharge circuit among the plurality of discharge circuits and detects voltage of a first battery among the plurality of batteries, a second voltage detecting circuit that includes a second filter among the plurality of filters and a second discharge circuit among the plurality of discharge circuits and detects voltage of a second battery among the plurality of batteries, and a detecting unit that controls the switch and detects disconnection between the battery and the discharge circuit based on outputs of the first and second voltage detecting circuits.

Abstract: A distribution board includes: a pack housing unit which houses a battery pack and includes a connecting unit; and a charge control unit. The battery pack includes a connecting terminal unit for charge and discharge of power and can supply power to the distribution board and another device different from the distribution board. The connecting unit is connectable to and disconnectable from the connecting terminal unit. The charge control unit converts AC power supplied from a power system into DC power, and supplies the DC power to the battery pack housed in the pack housing unit to charge the battery pack.

Abstract: A power bank with charging management comprises: a charging interface, a charging circuit, a rechargeable battery and a CPU. The charging interface is connected to an external power supply; the charging circuit comprises a voltage and current detecting circuit and a voltage regulating circuit; the input terminal of the voltage and current detecting circuit is connected with the charging interface, for detecting the charging voltage and the operating current of the charging circuit; the CPU is connected with the voltage and current detecting circuit and the voltage regulating circuit, for controlling the voltage regulating circuit to work at the maximum power of the power bank; the input terminal of the voltage regulating circuit is connected with the output terminal of the voltage and current detecting circuit; the output terminal of the voltage regulating circuit is connected with the rechargeable battery, for charging the rechargeable battery at the maximum power.

Abstract: A particular embodiment of a storage system includes at least one storage device. The storage device can store working clothing. The storage system further includes a wired and/or wireless charging device. The wired and/or wireless charging device can transmit electrical energy to an energy storage unit of the work clothing. The wired and/or wireless charging device can charge different work-clothing items of the work clothing. The work clothing can be disposed in the storage device. The storage system further includes a sensor device that can sense a characteristic variable of the work clothing.

Abstract: A system for charging rechargeable devices. A landing surface includes a plurality of conductive patches, and a rechargeable device includes a plurality of contacts. The configurations of the conductive patches and of the contacts are selected to establish, when the contacts of the rechargeable device come into contact with the landing surface, a plurality of separate conductive paths between a charger and the rechargeable device.

Abstract: A quick charging method, a power adapter and a mobile terminal are provided. The method is applied to the power adapter, the power adapter is coupled to the mobile terminal through a USB interface, a power line in the USB interface is used by the power adapter to charge the mobile terminal, a data line in the USB interface is used by the power source adapter to conduct a bidirectional communication with the mobile terminal, and the power adapter supports a common charging mode and a quick charging mode, charging current of the quick charging mode is greater than that of the common charging mode. The method includes: conducting a bidirectional communication with the mobile terminal to determine to charge the mobile terminal in the quick charging mode; and adjusting charging current to charging current corresponding to the quick charging mode to charge the mobile terminal.

Abstract: The present disclosure provides a communication method, a power adaptor and a terminal. The method includes: before a power adaptor charges a terminal, receiving handshake information from the terminal; determining, by the power adaptor, an initial charging parameter according to the handshake information; and charging, by the power adaptor, the terminal according to the initial charging parameter. In embodiments of the present disclosure, before a power adaptor charges a terminal, the power adaptor receives handshake information from the terminal, and determines an initial charging parameter according to the handshake information, which can effectively avoid a phenomenon of the heating and even burnout of a mobile phone due to the fact that the voltage or current of the power adaptor is blindly increased.

Abstract: An mechanism for charging an electronic device with a retractable cord reel. The device maintains a substantially continuous converted power source connection during operation, including operations adjusting the length of the retractable cord.

Abstract: The various embodiments herein disclose an anti-theft charging adapter for electronic device to enhance a battery backup capacity of a load electronic device. The charging adapter comprises an adapter circuit and a supplementary power supply unit. The adapter circuit comprises a voltage translator and a current converter. The supplementary power supply unit comprises a processor, a secondary power source, a charger display, a Global Subscriber Module (GSM), an anti-theft module and a GSM activation switch. The secondary power source charges simultaneously during a charging cycle of the load device. The secondary power source act as a primary power source when the main power supply is switched off. The secondary power source supplies the stored power to the load device when a voltage of the load device is lower than the voltage of the secondary power source.

Abstract: One example discloses, an apparatus for power management, having: a power input node configured to receive charge from a primary power source at a first power level; a power-converter, having an enabled state and a disabled state, and coupled to receive the charge from the power input node; an energy buffer, coupled to receive and store the charge from the power-converter, and configured to release the charge at a second power level; a power output node, coupled to receive the charge from the energy buffer, and configured to supply the charge at the second power level to a load; wherein the second power level is greater than the first power level; and wherein the power-converter switches between the enabled state and the disabled state based on whether the charge is supplied to the load.

Abstract: In an embodiment, disconnecting a supply of an electrical charging is described. In an embodiment, a device comprises: a reception configured to receive an electric current. A supply configured to supply an electric current out from the device in a connection with charging a battery of an electrical device. Connectors configured to connect the device between a power unit, which supplies the electric current to the reception,and the electrical device. A switch configured to disconnect at least one of the electrical currents. A control unit configured to control the switch, wherein the control unit comprises a timer configured to control the switch according to a predetermined timing function. A housing, wherein a movement of the housing is configured to generate a stimulus that is configured to the switch for connecting the at least one of the electrical currents and reset the timer.

Abstract: A smart battery includes a battery and a measurement module coupled to measure electrical characteristics of the battery. The smart battery also includes processing logic and a communication interface configured to receive the electrical characteristics and transmit the electrical characteristics to a receiver.

Abstract: The present invention relates to an electromagnetic shielding sheet capable of improving reliability. Particularly, the present invention provides a composite magnetic sheet for electromagnetic shielding structured such that an independent soft magnetic sheet, which has a low surface roughness, is laminated on the outermost surface of a soft magnetic sheet having a lamination structure, thereby implementing laminated composite sheets having different surface roughness or porosity characteristics; as a result, the reliability in an external hazardous environment, such as saline water, can be substantially enhanced while maintaining the efficiency of electromagnetic shielding.

Abstract: A wireless electrical charging system and a method of operating same wherein operating parameters from a remote portion of the system are wirelessly transmitted to a system controller controlling the output voltage of an alternating power supply. The system controller executes an adaptive model control algorithm that allows the system controller to update the output voltage at a greater rate than the transmission rate of the operating parameters from the remote portion of the system.

Abstract: A wireless electrical charging system and a method of operating same wherein operating parameters from a remote portion of the system are wirelessly transmitted to a system controller controlling the output voltage of an alternating power supply. The system controller executes an adaptive model control algorithm that allows the system controller to update the output voltage at a greater rate than the transmission rate of the operating parameters from the remote portion of the system.

Abstract: An automatic transfer switch for a power system receiving multiple alternating current sources and delivering multiple alternating current output is described. A transfer switch control circuit can sense a power loss in one or both AC sources. Each power supply can deliver current to drive a load but, if one of the power supplies fails, the other can supply power to drive both loads.

Abstract: In power supply devices, it is prevented to cool the components that actually do not need to be cooled. A power supply device includes a first converter configured to convert AC power from an AC power source into DC power, a second converter configured to convert a voltage to charge a backup electrical storage unit with the DC power from the first converter and to cause the electrical storage unit to discharge DC power, a plurality of cooling units configured to individually cool the first converter and the second converter, and a controller configured to change an operational state of the plurality of cooling units depending on an operational status of the power supply device.

Abstract: A transfer switch selectively couples at least two power sources to a load. The load may be a home, business, or vehicle. A current transformer is coupled to the output of the transfer switch and generates a load measurement signal that is proportional to the current or power output from the transfer switch. A controller receives the load measurement signal and a switch setting describing the operation of the switch. The controller generates data for a status message for display based on the load measurement signal and the switch setting. The status message may describe the power consumption of the load or indicate when an error has occurred.

Abstract: A method reduces inrush currents in a transformer-less rectifier UPS system when an input circuit breaker of the UPS system is closed from an open position. The circuit breaker is coupled between an AC power input and an AC input of a rectifier of the UPS system and a DC output of the rectifier is coupled to a DC bus of the UPS system. Before the circuit breaker is closed, the DC bus is charged to a DC voltage having a level that is equal to a peak AC voltage level of a line-line AC voltage of AC input power to the UPS system. The rectifier is operated as an inverter to provide an AC output voltage at the AC input of the rectifier that is equal to an AC voltage at the AC power input and when it is equal, the circuit breaker is closed.

Abstract: A dimmer device for connection to a conventional uninterruptible power supply (UPS) may include a dimmer and a switch assembly that can be configured to provide an automatically switched dimming output to LED loads during a power failure. An integrated emergency backup system may include a charging circuit, a battery, an inverter, a dimmer and a switch circuit that provides an automatically switched dimming output to LED loads during a power failure. The system may operate in either phase dimming mode or 0-10 v low voltage dimming mode. A lighting fixture that includes a light fixture with built-in emergency backup system is also disclosed.

Abstract: The central voltage control device includes a power-distribution estimating unit to estimate a power distribution in the power distribution line on the basis of first received measurement information, a voltage-distribution estimating unit to estimate a voltage distribution of the power distribution line on the basis of the power distribution, a tap-position determining unit to determine a tap position of the voltage controller when a voltage deviates from the proper voltage range in the voltage distribution, and a correcting unit to correct the power distribution in the power distribution line on the basis of the received deviation information. When the power distribution is corrected, the voltage-distribution estimating unit estimates the voltage distribution using the corrected power distribution.

Abstract: Method and system for communicating between a first piece of equipment and a second piece of equipment connected to the first piece of equipment via a single-conductor transmission line, wherein data (DATA1, DATA2) are transmitted from the first piece of equipment to the second piece of equipment by pulse width modulation of a transmission signal emitted on the transmission line, and wherein data are transmitted from the second piece of equipment to the first piece of equipment by amplitude modulation of said transmission signal.

Abstract: A direct current (DC) to alternating current (AC) wireless converter apparatus (200) for supplying power to a load connected in a capacitive power transfer system. The apparatus comprises at least two connectors (201, 202) enabling a galvanic contact to at least two supply lines (211, 212) of a DC grid; a driver (203) coupled to the connectors (201, 202) and configured to generate an AC power signal from an input DC signal fed by the at least two connectors, wherein a frequency of the AC power signal substantially matches a series-resonance frequency of the capacitive power transfer system; and at least a pair of transmitter electrodes (204, 205) connected to an output of the driver.

Abstract: The present disclosure relates to a power receiver, a resonance-type contactless power supply and a control method. The power converter is coupled between a receiver-side resonant circuit and a load, and is controlled to adjust a current strength parameter of a high-frequency AC current output from the receiver-side resonant circuit, so that a first current strength parameter, which is a peak or an effective value of a current flowing through a transmitting coil, and a second strength parameter, which is a peak or an effective value of a current flowing through a receiving coil, have a predetermined relationship, and a load impendence of an equivalent load is adjusted, and thus system efficiency is optimized.

Abstract: A system and method for scaling distributed device arrays, which include displays and sensor arrays improving the performance of arrays of virtually all sizes by combining wireless addressing and powering of functional devices including individual array elements or sub-sectors, groups, or collections of array elements using tap couplers distributed in a wireless relay system.

Abstract: An electrodynamic apparatus includes a first arm extending in a first direction, a second arm supported by the first arm, and a first linear actuator that is provided in the first arm or the second arm and moves the second arm along the first direction with respect to the first arm. The first arm includes a first power transmission antenna. The second arm includes a first power reception antenna. The first power transmission antenna supplies electric power to the first power reception antenna wirelessly. The first power reception antenna supplies the supplied electric power to a load electrically connected to the first power reception antenna.

Abstract: An on-body sensor system includes a hub configured to be attached to a surface of a user. The hub being further configured to transmit electrical power and data signals into the surface and to receive response data signals from the surface. The system further including at least one sensor node configured to be attached to the surface or just below the skin. The system further including at least one sensor node being further configured to receive the electrical power and data signals from the hub through the surface and to transmit the response data signals into the surface. The electrical power from the hub powers the at least one sensor node and causes the at least one sensor node to generate sensor information that is transmitted back to the hub within the response data signals.

Abstract: Disclosed is a wireless power transmission apparatus to wirelessly transmit power to a wireless power receiving apparatus by using resonance. The wireless power transmission apparatus includes a transmission part including a transmission coil to receive the power from a power supply to generate a magnetic field, a transmission resonance coil to transmit power received therein from the transmission coil, and a plurality of repeating coils placed in the transmission resonance coil to repeat the power, a detection part to detect a position of the wireless power receiving apparatus placed on the transmission part, and a controller to determine a repeating coil corresponding to the position of the wireless power receiving apparatus and perform a control operation to transmit power through the repeating coil.

Abstract: The present invention is about a device with a receiving antenna (110), wherein the receiving antenna (110) comprises a secondary coil (112), and being arranged for inductively connecting to a transmitting antenna (200) comprising a primary coil (202). The device of the invention is characterized in that the receiving antenna (110) further comprises a tertiary coil (114) arranged to have connection to a load in the device; and a capacitor (142) to which the secondary coil (112) is connected; and there is an encapsulation (120) comprising a low liquid permeability and non-conductive material encapsulating at least a part of the receiving antenna (110). Additionally, the present invention is about a power transfer system.

Abstract: A method for detecting an electrically conductive foreign body on a primary coil of an inductive charging station for an electric vehicle using a plurality of measuring inductances, which are arranged, on the primary coil side, in distributed fashion, in the area of the primary coil, facing, during operation, a secondary coil of the electric vehicle, over the cross section of the field region of the primary coil. A plurality of consecutive measurements of different groups of measurement inductances is carried out. Each measurement on a group of measurement inductivities is carried out simultaneously for all the measurement inductances of the group. The measurement inductances of each group are separated from one another by a predetermined minimum distance, which is selected so that the crosstalk between the measurement signals of the individual measurement inductances of each group remains below a predetermined threshold.

Abstract: An electronic apparatus includes a contactless power receiving unit that receives power supplied by an external contactless power supplying apparatus. The electronic apparatus further includes a first contactless power receiving unit arranged on a first surface, a second contactless power receiving unit arranged on a second surface different from the first surface, and a determination unit that determines a placement orientation of the electronic apparatus on a basis of a power reception state of the first wireless power receiving unit and a power reception state of the second wireless power receiving unit. The determination unit determines that the placement orientation of the electronic apparatus is a placement orientation where a surface on which a contactless power receiving unit that is successfully receiving power is arranged faces the contactless power supplying apparatus, the contactless power receiving unit being one of the first and second contactless power receiving units.

Abstract: A motor module includes a stator formed of a main plate of a first thickness on which is mounted a rotor. The stator has at each end a receiving zone, the thickness of which is less than the first thickness.

Abstract: A permanent magnet type rotating electric machine includes a stator, a rotor core including magnet insertion holes, and permanent magnets inserted into the magnet insertion holes and fixed to the rotor core. The permanent magnets include N-pole magnets and S-pole magnets. The N-pole magnets are arranged adjacent to each other in a circumferential direction and form a first set. The S-pole magnets are arranged adjacent to each other in the circumferential direction and form a second set. The first set and the second set are arranged along the same circumference. The rotor core includes an outer circumferential portion that includes a groove at a location corresponding to a position between the N-pole magnets and a groove at a location corresponding to a position between the S-pole magnets.

Abstract: A rotor assembly of an electric motor generally comprises a center shaft configured to rotate about a longitudinal axis and a plurality of spacers extending radially outward from the center shaft, the spacers fixedly attached to the center shaft. A plurality of axially stacked annular laminations are coaxially aligned with the center shaft and radially supported on an inner circumferential surface by the plurality of spacers. Each of the plurality of spacers has, at each axial end of the stacked annular laminations, first and second axial restraining elements extending in an outward radial direction beyond the inner circumferential surface of the plurality of stacked annular laminations. The plurality of stacked annular laminations are compressed between the first axial restraining element and the second axial restraining element, such that an axial compression force is applied to the plurality of stacked laminations.

Abstract: A rotor includes a core and permanent magnets. Each permanent magnet is embedded in the core. Each permanent magnet forming one of the magnetic poles of the rotor includes a first portion and a second portion. The first and second portions and extend inward in a radial direction Dr and also extend away from a stator-facing surface of the rotor 10 in an axial direction Da. Regions of the first and second portions and away from the stator-facing surface are connected to a bottom. An inner peripheral surface of the first portion, an inner peripheral surface of the second portion, and an inner peripheral surface of the bottom form one of the magnetic poles of the rotor.

Abstract: An electric submersible pump motor can include a housing; a cavity defined at least in part by the housing; a rotor disposed in the cavity; a stator disposed in the cavity where the stator includes stator laminations and stator windings disposed at least in part in slots of the stator laminations; and stator slot liners disposed at least in part in the slots of the stator laminations where the stator slot liners include polytetrafluoroethylene and/or expanded polytetrafluoroethylene.

Abstract: A stator for a rotating electric machine, including an annular stator core having a plurality of slots circumferentially arranged in the stator core, and a stator winding wound around the stator core and comprised of a plurality of U-shaped conductor segments inserted in the slots and connected to each other. Each conductor segment includes a conductor and a bilayer insulative coating comprised of an insulating layer covering a peripheral surface of the conductor and a protective layer covering a peripheral surface of the insulating layer. The protective layer is formed of a material having a Young's modulus that is equal to or greater than a Young's modulus of the insulating layer at room temperature and less than the Young's modulus of the insulating layer in high temperature environments caused by heat generation of the stator winding.

Abstract: The present disclosure provides a driving device including a stator, a rotor, a housing, a controller, and a sealing member. The sealing member includes a base and protrusions. The protrusion includes a cylindrical portion, a cover portion, a first annular protrusion, and a second annular protrusion. The first and second annular protrusions outwardly protrude from the cylindrical portion. The first annular protrusion is fit in a fit region of the lead hole in a compressed state. The second annular protrusion is offset from the fit region toward the controller.

Abstract: The invention relates to a method of adjusting a brush holder (41) of a slip ring and brush assembly comprising at least one slip ring (50) with a radius of curvature R. With the method a test tool (80) is used to simulate a brush in the brush holder with the important difference that the test tool is able to indicate to the operator whether full contact between the slip ring and the contact surface of the test tool is obtained.

Abstract: An electric machine for a vehicle may include a stator, a rotor, and a coolant channel assembly. The stator may include a core defining a cavity and windings disposed within and partially protruding out of the cavity. The rotor may be sized for disposal within the cavity adjacent the windings. The coolant channel assembly may include a channel wound about the partially protruding windings such that the channel and windings are in thermal communication with one another. The coolant channel may define a circular or rectangular cross-section. The coolant channel may define fins therein to induce turbulence into coolant flowing therethrough. The coolant channel and the windings may be arranged such that the coolant channel assembly directly contacts the windings. The coolant channel assembly may be wound such that a portion of the coolant channel assembly is partially disposed between the plurality of base portions.

Abstract: An endcap assembly for an electric motor and a stator having same are provided. The endcap assembly includes an endcap, a first wire, and two terminals corresponding to the first wire. The two terminals are fixed to the endcap and configured to connect with corresponding windings of the electric motor. The endcap defines a first accommodating groove extending from one terminal to the other terminal. The first wire is received in the first accommodating groove, and two ends of the first wire are electrically connected to the two terminals, respectively.

Abstract: A stabilization system for a rotating load, such as a flywheel, includes a mechanical bearing to continuously support a shaft of the rotating load so as to hold the shaft at a substantially fixed axis of rotation. A magnetic stabilization assembly includes a plurality of electromagnets arranged around the shaft. Control circuitry for controls a resultant magnetic field generated by the electromagnets such that the magnetic field acts on a ferromagnetic element of the shaft to reduce imbalance forces acting on the shaft.

Abstract: A motor assembly having a brake device and a downsized cooling system is provided. The motor assembly comprises a drive motor, a brake device that stops rotation of a motor shaft, and a casing that holds the drive motor and the brake device. The motor assembly further comprises a hollow passage formed in the motor shaft to allow cooling medium to flow therethrough, a centrifugal passage formed in the brake rotor from the hollow passage to an opening of the brake rotor, and a return passage that returns the cooling medium discharged from the opening to the hollow passage.

Abstract: Provided is an engine generator with improved accessibility to an operation panel. An engine generator includes: a casing; a generator; and an engine that drives the generator, the generator and the engine being housed in the casing, wherein a plurality of panels each having a predetermined dimension are respectively removably provided at side surfaces of the casing, and any selected one of the plurality of panels can be exchanged for a console for the engine generator.

Abstract: Is described an apparatus for the generation of electric current, consisting of an hull wheel (2), of a guide wheel (3), of a current generator body (4) and of a second toothed wheel. The apparatus may be mounted on a suitcase or other vehicles or devices suitable for the transport of goods or people without compromising the ease of production and the available space.

Abstract: A brushless alternator includes a drive end, a rear end, a rotor assembly, stator windings, and an internal fan. The rotor assembly has a first diameter. The rotor assembly includes a hollow pole and a solid pole. The stator windings surround the rotor assembly. The internal fan has a second diameter that is larger than the first diameter of the rotor assembly. The internal fan may be attached to the hollow pole of the rotor assembly. The hollow pole may be toward the drive end and the solid pole may be toward the rear end. The internal fan may include an outer portion shaped to direct air at the stator windings. The outer portion of the internal fan may include one or more of a curved or angled surface to direct the air. The internal fan may provide an axial flow of the air directed to the stator windings.

Abstract: The invention relates to a housing (10) for an electrical machine (50) and to an electrical machine (50) having such a housing (10). The housing (10) comprises an inner wall (12) and an outer wall (14), with a hollow space (16) therebetween for cooling the electrical machine (50) with a fluid. The housing (10) further has a sealing device (24, 26) on a front face (22, 23) of the housing (10). The housing is particularly characterised in that the sealing device (24, 26) comprises an annular sealing element (28) mounted between the inner wall (12) and the outer wall (14) so as to seal the front face, and in that the sealing device (24, 26) comprises a deflection ridge (30) which projects from the sealing element (28) in the axial direction of the housing (10) and is at least partially arranged between the walls (12, 14), the deflection ridge (30) being designed to lead a cooling fluid in the hollow space (16). A compact, economical and fluid-tight housing (10) can thus be advantageously provided.