Abstract: A magnetic sheet 1 of an embodiment includes a stack of a plurality of magnetic thin strips and resin film parts. The stack includes from 5 to 25 pieces of the magnetic thin strips. The magnetic thin strips are provided with cutout portions each having a width of 1 mm or less (including 0 (zero)). A ratio (B/A) of a total length B of the cutout portions provided to the magnetic thin strip to a total outer peripheral length A of an outer peripheral area of the magnetic thin strip arranged on one of the resin film parts is in a range of from 2 to 25.

Abstract: An EVSE controller system controls the supply of power to multiple charging stations for charging electric vehicles. A controller is interposed in a power line for controlling the flow of power to each charging station. An authorization station receives input from a vehicle operator for authorizing the supply of power at a given charging station. A vehicle detector is employed to automatically sense the presence of an electric vehicle at the charging station and to automatically terminate power supply to the charging station upon departure of the electric vehicle. Both level 1 and level 2 EVSE are operated by the controller system.

Abstract: An anti-theft charging system for charging a chargeable battery of an electric vehicle is disclosed and includes a power supplying device, an output terminal assembly, and a burglarproof detecting device. The power supplying device is used for outputting a charging energy. The output terminal assembly is electrically connected with the power supplying device and detachably coupled to the electric vehicle for receiving and transmitting the charging energy to the chargeable battery. The burglarproof detecting device includes a responding unit and a detecting unit. The responding unit is disposed within the output terminal assembly for issuing a response signal, and the detecting unit is disposed within the power supplying device and in signal connection with the responding unit for detecting the response signal. If the output terminal assembly is stolen, the detecting unit realizes that the output terminal assembly is stolen according to a change of the response signal.

Abstract: In a method for monitoring the charging mode of an energy store in a vehicle which is drivable via an electric machine, the energy store is connected in the charging mode to an external energy supply system via a charging circuit which includes a unit operated as the boost converter, a controllable rectifier having upstream filter capacitors, and a system filter. A DC link capacitor is switched in parallel to the energy store. During the charging mode, at least one current and/or one voltage is monitored at the input, at the output, and/or within the charging circuit, and/or a function of a control unit of the rectifier and/or of the unit operated as the boost converter is monitored. If malfunction is detected, the charging circuit is switched into a free-running mode.

Abstract: A vehicle running management system under renewable energy includes an electrically driven vehicle having a battery ECU. The battery ECU manages a remaining amount of renewable energy in a vehicle-mounted electric storage device as it increases and decreases when renewable energy is charged into the vehicle-mounted electric storage device and renewable energy is discharged from the vehicle-mounted electric storage device.

Abstract: A vehicle-mounted electric storage device of an electrically driven vehicle is charged with a necessary amount of energy, which corresponds to an amount of energy consumption in a next-time running of the electrically driven vehicle, such that a shortage of renewable energy at a charging site is compensated for by charging the electrically driven vehicle with system energy.

Abstract: The invention relates to a System for charging an electric or hybrid vehicle (10), including: an AC charging connecter (12) that is connectable to a domestic power-distribution network via an electrical-connection outlet (4) having a température-sensative device (8); and a processing means (20, CAN, UT) for determining whether or not to use a domestic charging mode (mode 1), characterized in that the System also includes a means (SP, RP) for polarizing the temperature-sensitive device which is activated when a domestic charging mode is used, and a means (24) for determining a value representing the température of the electrical-connection outlet by means of the polarized temperature-sensitive device.

Abstract: A battery charging apparatus for an electric vehicle includes a first converter part configured to convert a first voltage, which is inputted with rectification, into a second voltage; and a second converter part configured to output a third voltage for charging a battery for the electric vehicle by converting the second voltage into a direct current. The output end of the first converter part comprises a first and a second output terminal. The second converter part comprises a first switching element connected with the first output terminal; a second switching element connected with the second output terminal; a first output capacitor serially connected with the first switching element; and a second output capacitor serially connected with the second switching element. The time during which the first switching element is turned on does not overlap the time during which the second switching element is turned on.

Abstract: An AC digital universal charger is provided, wherein a button spring and a pushing button are provided at a middle part of a pushing cover; a pressure baffle is provided at a front part of the pushing cover; an AA cathode spring, a pressure spring and an AA cathode hardware are provided on the pressure baffle; a positioning bolt is connected to a positioning block; the positioning block and the pressure clasp are mounted to a lower part of the pushing slip cover via an AA cathode connecting screw and an AA cathode connecting hardware; and the clasp bolt is further connected to a lower part of the pushing button by inserting. A battery is positioned and charged by energizing the charger, putting the battery at a battery zone, adjusting the charger buttons, pressing down the pushing button to further press the battery tightly and then releasing the pushing button.

Abstract: An in-vehicle electronic system includes an in-vehicle charging device adapted to charge a plurality of mobile devices and an in-vehicle electronic device that displays information from the mobile devices being charged by the in-vehicle charging device. The electronic device control unit controls portions of a notification unit corresponding to installation areas of charging base to notify communication states of the mobile device's being charged in the installation areas of the charging base.

Abstract: Systems and methods for balancing battery cells of a battery pack are disclosed. In one example, a charge imbalance is determined while battery cells operate in a high charge resolution voltage range. The charge imbalance determined during operation in the high charge resolution voltage range may be removed when the battery cells are operated in a low charge resolution voltage range. The system and method may be particularly useful for balancing battery cells that operate in the low charge resolution voltage range for a large portion of their operating time.

Abstract: A battery module of the present invention is described for providing programmable variable power output to a device. The battery module has a body, a first contact located at a first end of the body, a second contact located at a second end of the body, a battery received in the body, and a battery controller. The first contact includes at least one electrical contact surface having concentric raised and recessed surfaces. The second contact has at least one electrical contact surface that includes a nipple extending outwardly therefrom. The battery controller is located in the body, and is in electrical communication with the first contact, the second contact and the battery. The battery controller is programmed to monitor an electrical demand by the device and to control an electrical discharge from the battery.

Abstract: A circuit providing voltage cell balancing is provided. The circuit includes a cell balancing network comprising separate switching circuits, each being configured to balance a respective cell voltage for a respective cell of a plurality of voltage cells based on a respective switching control signal. A control circuit includes a plurality of current sources, each of the plurality of current sources selectively connected to a respective one of the separate switching circuits to independently control operation of each of the separate switching circuits of the cell balancing network to balance the voltage across the plurality of voltage cells.

Abstract: There are provided electric cells, a battery pack containing three or more electric cells, a battery control system and a battery control method. An electric cell for a battery pack will be interconnected with another cell to be used as a battery pack. For example, an electric cell comprises an electrochemical cell, a communication unit communicating with other electric cells, a measurement unit acquiring cell-state of the electrochemical cell, and a discharge unit discharging the electrochemical cell. The communication unit transmits a cell-state of the electrochemical cell and receives external information. The discharging unit discharges the electrochemical cell based upon both the cell-state of the electrochemical cell and the received external information.

Abstract: The present disclosure relates to estimation of battery parameters, including SOC and SOH using a plurality of particles, each of which represents at least one parameter and at least one state of a battery system. A system model may simulate the battery system using processing logic. Each of the plurality of particles may propagate through the system model to generate a plurality of modeled particle values, each of which may be compared to a measurement of an electrical parameter of the battery system. Each particle may be weighted based upon a comparison of the modeled particle value and the measurement. A successive plurality of particles may be generated based upon the weight assigned to each of the plurality of modeled particle values. A number of iterations may be performed to generate a tuned plurality of modeled particle values, upon which an estimated parameter of the battery system may be based.

Abstract: A method for determining the self-discharge current of a lithium-ion battery provided with a positive electrode, a negative electrode, and an electrolyte arranged between the positive and negative electrodes includes charging the battery until a metal lithium layer is formed between the electrolyte and the negative electrode, measuring the open-circuit voltage of the battery at two moments, and determining the self-discharge current from the variation of the voltage measured between the two moments.

Abstract: The invention relates to a synchronous power controller for a generation system based on static power converters, said controller comprising two main blocks referred to as: block 1 (electric block) (10) and block 2 (electromechanical block) (20), electric block 1 (10) being, in turn, formed by a virtual electrical characteristic controller (11) and a virtual 10 admittance controller (12) and the electromechanical block 2 (20) being formed by a virtual electromechanical characteristic controller (21) and an inertia and damping factor controller (22).

Abstract: A power generation unit driver, a power generation unit and energy output equipment in a power grid are described. The power generation unit driver includes a drive controller for generating a drive signal according to a first control signal and a second control signal obtained thereby, a converter for transforming the input energy from a first voltage into a second voltage according to the drive signal and outputting the same to an electric motor connected to the power generation unit driver. The first control signal runs condition information of the electric motor, and the second control signal includes the power grid frequency and/or the voltage amplitude of the power grid. The concept produces improved effects on the stability of power supply by a power grid.

Abstract: The present invention describes an electrical converter system for power supply systems, comprising at least two identical individual modules connected consecutively, characterised in that each individual module have at least four internal switching elements, at least one energy storage element and at least four connectors, wherein the connectors are paired and serve as a first and a second terminal pair; the internal switching elements of each individual module are designed in such manner that they are able to selectively connect one or both connectors of each terminal pair to the energy storage element; the cascaded connection of at least two individual modules is made in such manner that the connectors in the second terminal pair of a preceding individual module are each connected to the connectors of the first terminal pair in the respective following individual module, and at least one terminal of the first terminal pair of the first individual module of the cascaded connection and at least one terminal

Abstract: A PFC signal generation circuit which generates a PFC signal to control a PFC circuit including a first inductor connected to a first switch and a second inductor connected to a second switch includes: a counter whose count value is cleared based on a first timing when a zero current of the first inductor is detected; a counter clear control circuit that clears the counter value after waiting until a cycle lower limit is reached, when the first timing is below the cycle lower limit; a first control signal output unit that outputs a first PFC signal to turn on the first switch at a timing when the count value is cleared; and a second control signal output unit that outputs a second PFC signal to turn on the second switch based on a second timing when a zero current of the second inductor is detected.

Abstract: In one embodiment, a method of forming a ripple suppressor circuit includes a configuring the ripple suppressor circuit to receive a first signal that is representative of a requested voltage and a second signal that is a filtered value of the first signal. The method also includes configuring the ripple suppressor circuit to determine a peak value of the second signal responsively to the first signal and to determine a minimum value of the second signal responsively to the first signal. The method may also include configuring the ripple suppressor circuit to form an average value of the peak value and the minimum value.

Abstract: The invention relates to a virtual admittance controller based on static power converters, comprising a control loop into the inlet of which is injected the difference in voltage between a virtual internal voltage (e) and the voltage at the network connection point (v). Said difference in voltages feeds a virtual admittance processor (13) that determines the value of a reference current (i*) that it communicates to a current source (14), said current source physically injecting said current into the network (15).

Abstract: There is provided a regulator for controlling an output voltage, capable of stabilizing the voltage output from the regulator. The regulator for controlling an output voltage may include an output current generating unit generating an output current according to a reference voltage, an output voltage detecting unit detecting an output voltage using the output current, according to resistors provided therein, and a controlling unit comparing the output voltage with a preset reference output voltage to control the reference voltage.

Abstract: A switching regulator including: a power stage having a first power switch and a second power switch coupled in series; a filter circuit having an inductor and an output capacitor; a feedback circuit configured to provide a feedback signal indicating an output voltage of the regulator; and a control circuit configured to provide a switching signal to control the ON and OFF of the first power switch so as to regulate the energy supplied to a load; wherein the control circuit has a peak current generator configured to generate a peak current signal, wherein the gain of a variation of the peak current signal between the contiguous switching cycles is less than one.

Abstract: Disclosed are a switch control circuit, a converter including the same, and a driving method thereof. The converter includes an inductor for storing energy of an input end and providing the same to an output end, a first switch coupled between the inductor and a ground, and a switch control circuit for controlling the first switch by comparing a ramp voltage that corresponds to a current that flows through the first switch and a first voltage that corresponds to an output voltage of the output end. The switch control circuit compares the ramp voltage and the first reference voltage to change the slope of the ramp voltage.

Abstract: Provided is a switching power source device in which fluctuation of the switching frequency can be suppressed without impairing the advantages of a non-linear control system. A switching power source device is provided with: switching control units of non-linear control type that generate an output voltage (out) from an input voltage (IN) by performing ON/OFF control of switching elements in accordance with the results of comparing a feedback voltage (FB) and reference voltage (REF); and an ON time setting unit that monitors switching voltage (SW) appearing at one end of the switch terminals, and sets the ON time (Ton) of the switching element in the switching control units based on the duty of the switching voltage (SW).

Abstract: Methods and apparatus are presented for sensing current flowing in a power transistor of a switch mode converter, in which a voltage is sensed across a first field effect transistor connected in a series circuit branch in parallel with the power transistor, and the sensed voltage is used to generate output signal to indicate the current flowing in the power transistor.

Abstract: A current-mode regulator relies on indirect current measurement to facilitate slope compensation used to stabilize the operation of a buck converter. The current-mode regulator comprises an inductor, a switching network, and a controller. The inductor delivers an output current to a load. The switching network selectively connects the inductor input to an input voltage or a second voltage. The regulator controls the switching network. An inner loop control circuit of the regulator comprises the switching network, a current measuring circuit, a slope circuit, a comparator, and a switching controller. The current measuring circuit comprises a passive network connected to the inductor input and operative to indicate an inductor current as a measurement voltage. The slope circuit applies a time-varying voltage having a positive slope to the measurement voltage. The comparator compares a slope compensated measurement voltage to the control voltage.

Abstract: In one embodiment, a method of forming a multi-channel power supply controller includes forming a plurality of channels configured to regulate an output voltage between first and second values, configuring the controller to select a channel that has a lowest current value and initiate forming a drive signal for that channel responsively to the output voltage having a value that is less than the first value, configuring a reset circuit for each channel to terminate the respective drive signal responsively to at least the output voltage having a value greater than the first value.

Abstract: An example controller includes a measurement block and a drive block. The measurement block determines an amount of time that a dimmer circuit, that is coupled to an input of a power supply, disconnects an ac input voltage. The drive block generates a drive signal to control switching of a switch included in the power supply. The drive block operates a closed loop dimming control when the amount of time is less than or equal to a threshold and operates an open loop dimming control when the amount of time is greater than the threshold. The closed loop dimming control includes setting one or more operating conditions of the drive signal in response to a feedback signal that is representative of an output quantity of the power supply. The open loop dimming control includes holding the one or more operating conditions of the drive signal to a value.

Abstract: A regulator device includes: a power input terminal; a power output terminal; a plurality of regulators each including an operating FET and a monitoring FET to be driven together with the operating FET, the plurality of regulators being arranged in parallel between the power input terminal and the power output terminal; and a controller configured to drive the operating FET and the monitoring FET included in one of the regulators, when the controller determines whether the monitoring FET included in the one of the regulators have degraded, the controller configured to stop driving the operating FET and the monitoring FET included in the one of the regulators and configured to drive the operating FET and the monitoring FET included in another of the regulators.

Abstract: A current generator includes an amplifier having a first terminal configured to receive an input voltage, at least one tunable resistor coupled to a second terminal of the amplifier, a resistor calibration circuit coupled to the at least one tunable resistor, and at least one transistor. A gate of the at least one transistor is coupled to an output of the amplifier, and a terminal of the at least one transistor is coupled to the at least one tunable resistor or a load. The resistor calibration circuit is configured to adjust a resistance setting of the at least one tunable resistor to control a current level of the current generator based on a power supply voltage or a current of a reference resistor.

Abstract: An improved reference voltage (Vref) generator useable, for example, in sensing data on single-ended channels is disclosed. The Vref generator can be placed on the integrated circuit containing the receivers, or may be placed off chip. In one embodiment, the Vref generator comprises an adjustable-resistance voltage divider in combination with a current source. The voltage divider is referenced to I/O power supplies Vddq and Vssq, with Vref being generated at a node intervening between the adjustable resistances of the voltage divider. The current source injects a current into the Vref node and into a non-varying Thevenin equivalent resistance formed of the same resistors used in the voltage divider. So constructed, the voltage generated equals the sum of two terms: a first term comprising the slope between Vref and Vddq, and a second term comprising a Vref offset.

Abstract: A reference voltage generation circuit includes: a reference voltage generation unit configured to generate a plurality of reference voltages having mutually different temperature characteristics, a switching unit configured to select and output one of the plurality of reference voltages in response to a control signal, a temperature detection unit configured to detect temperature change and to output a temperature detection signal, and a control unit configured to generate the control signal in response to the temperature detection to signal.

Abstract: Power supply arrangement with first transformer (T1), having transformer core (K) with legs (K1) and yokes (K2) connecting these legs. Legs (K1) and yokes (K2) are arranged in geometric shape of a cylinder. The cylinder has first polygon as base surface and second polygon as surface opposite. The yokes (K2) are arranged along edges of first polygon and along edges of second polygon. Legs (K1) are arranged along edges of an outer surface of the cylinder. Primary windings and secondary windings (T1.1, T1.2, T1.3) arranged on legs (K1) of the transformer core. Secondary windings (T1.1, T1.2, T1.3) have three terminals (A), including a neutral conductor terminal and two phase conductor terminals. Phase conductor terminals of the secondary windings (T1.1, T1.2, T1.3) are mechanically and electrically connected to a first electrically conductive support (L), having an outer end, the outer end of the first carrier (L) are located outside the cylinder.

Abstract: Systems, a software product, and a method for leak detection and location where there are multiple distinct layers of waterproofing or roofing membranes separated by insulation or other building materials to create a sealed roofing envelope and in which the system monitors leakage from the primary and secondary membranes and also monitors leakage from the edges of the roofing or waterproofing envelope formed by the membranes.

Abstract: A spark detection device includes a sensing element and a comparing element. The sensing element is for sensing a spark signal to generate a sensing signal. A first end of the comparing element is coupled to the sensing element, and a second end of the comparing element is for receiving a threshold signal. The comparing element is for generating an output signal at an output end of the comparing element by performing a comparing operation according to the sensing signal and the threshold signal.

Abstract: The present invention relates to an AC or DC power transmission system. The system comprises a first electrical conductor, a second electrical conductor and an insulating space there between. The system further comprises an electric field measurement device comprising the following components being mounted in optical continuation: a first optical fibre being connected to a light source, a first optical lens, a circular polarization filter, a crystal rod having electro-optical properties, a linear polarization filter, a second optical lens, and a second optical fibre being connected to a light detection unit. The electric field measurement device is located adjacent the first electrical conductor and defines a first minimum distance between the crystal rod and the first electrical conductor and a second minimum distance between the crystal rod and the second electrical conductor. The second minimum distance is at least 10 times larger than the first minimum distance.

Abstract: A radio frequency sensor system includes a printed circuit board (PCB). The PCB includes a first exterior layer, a second exterior layer, a first interior layer, a second interior layer, and an inner perimeter that defines an aperture through the PCB. The PCB also includes a first loop. The first loop includes a first plurality of sensor pads coupled to a first plurality of vias by a first plurality of traces. The first plurality of sensor pads is arranged on the inner perimeter. The PCB also includes a second loop. The second loop includes a second plurality of sensor pads coupled to a second plurality of vias by a second plurality of traces. The second plurality of sensor pads is arranged on the inner perimeter. A core ring is embedded within the first interior layer proximal to the first plurality of sensor pads, the first plurality of vias, and the first plurality of traces. A center conductor, for carrying RF current, extends through the aperture.

Abstract: Embodiments of the present invention provide an electromagnetic sensor (400) for detecting a microstructure of a metal target, comprising: a magnetic device (410, 420) for providing an excitation magnetic field; a magnetometer (430) for detecting a resultant magnetic field induced in a metal target; and a calibration circuit (450, 551, 552, 553, 554) for generating a calibration magnetic field for calibrating the electromagnetic sensor, wherein the calibration reference magnetic field is generated by an electrical current induced in the calibration circuit by the excitation magnetic field.

Abstract: A scale device includes a scale main body having at least two incremental tracks, at least two or more incremental signal detection heads for detecting incremental signals from the incremental tracks, and an operation processing unit that generates, based upon detection outputs by the two or more incremental signal detection heads, relative positional information in a measuring direction of a measuring axis and parallel movement amount information in a direction orthogonal to the measuring direction.

Abstract: The present invention provides various thin-film sensor type power measuring apparatuses which can be constructed in a simplified and compact structure so as to measure the power of high-frequency circuits or batteries. This power measuring apparatus includes: a magnetic film disposed in parallel to a primary conductor through which a load current flows; a power supply with input and output terminals for supplying an element current to the magnetic film; a bias magnetic field applying unit for applying a DC magnetic field in a direction that is parallel, perpendicular, or diagonal to the direction of magnetization of the magnetic film; and a detection unit for detecting the voltage between the ends of the magnetic film in the direction of the element current. The power measuring apparatus detects only the DC voltage component between the ends of the magnetic film in the direction of the element current.

Abstract: The device has a processor (20) that applies a magnetic field to a measurement subject (2) and after the magnetic field is discontinued, uses an induced electromotive force detector (17) to measure the magnetic fluxes emitted from multiple locations, calculates time constants of transient change of the plurality of magnetic fluxes, and detects the internal structure of the measurement subject (2) from the distribution of the time constants. The processor (20) prompts the induced electromotive force detector (17) to make first measurements at predetermined locations, prompts the induced electromotive force detector (17) to make second measurements at locations rotated by a predetermined angle from the predetermined locations, and based on the internal structure detected by the first measurements and the internal structure detected by the second measurements, estimates the center location of the nugget and/or the diameter of the nugget which has been formed inside the measurement subject (2).

Abstract: In coreless current sensors of a coreless current sensor structure, and in a current detection method employed in the coreless current sensor structure, a coil-like portion that surrounds the outer circumference of a conductor, such as a shield plate, is formed of a connecting line connected to a terminal of a magnetic detection element.

Abstract: A method includes supplying a current to at least one conductive path integral with a MEMS device to thereby exert a Lorentz force on the MEMS device in the presence of a magnetic field. The method includes determining the magnetic field based on a control value in a control loop configured to maintain a constrained range of motion of the MEMS device. The control loop may be configured to maintain the MEMS device in a stationary position. The current may have a frequency equal to a resonant frequency of the MEMS device.

Abstract: A method of determining rheological properties of a fluid. The method includes: providing an open-bore tube and defining within the bore a three dimensional grid (3DG) of voxels; defining at least an inlet cross section (ICS) and an outlet cross section (OCS); defining a volume of interest within the bore between the ICS and the OCS; obtaining rheological properties of the fluid; applying a pressure gradient to the bore between the ICS and the OCS; and nuclear magnetic resonance imaging the fluid within the volume of interest to determine various aspects of the fluid.

Abstract: A method includes recording a magnetic resonance (MR) spectrum with the aid of a high frequency (HF) coil and a magnetic resonance tomography (MRT) device. A static magnetic field results in a recording volume of the MRT device. The method also includes an automatic analysis of the MR spectrum by searching for two resonant signals in the form of a fat peak, a water peak, and a minimum between the fat peak and the water peak. Such an automatic analysis is used for an automatic decision as a function of a predeterminable criterion, as to whether a series, including a plurality of acts, or a single act is performed. The homogeneity of the static magnetic field is adjusted with the aid of at least one shim coil of the MRT device, and an HF pulse is calculated for fat saturation as a function of the result of the search.

Abstract: A resonant magnetic ring antenna which includes a dielectric substrate having opposing first and second sides, a first and second ring elements disposed upon the opposing first and second sides of the substrate in a corresponding location, the first and second ring elements each comprising a trace having a spiral configuration with an outer radius, an inner radius, a spacing, and a number of turns, the resonant magnetic ring antenna being configured to concentrate radio frequency (RF) electromagnetic fields over a controlled volume at a specified distance from an imaging device in which it is incorporated.

Abstract: The present disclosure relates to a method for measuring thermal electric characteristics of a semiconductor device, including the steps of: providing at least one current to the LED device over a time interval; recording a voltage transient response of the LED device, wherein the voltage transient response has a plurality of time segments different in gradient; computing a voltage difference from one of the plurality of time segments in the voltage transient response; and determining whether the LED device is defective based on the voltage difference, wherein the voltage difference is thermal dependent. The present disclosure also provides a testing method for defining a plurality of time segments.

Abstract: In one implementation, a method is provided to detect a ground fault. This includes applying a pulsed test impedance and detecting a utility power voltage with and without the pulsed test impedance applied. It further includes detecting a test current through the pulsed test impedance to ground and determining whether a ground fault exists based on the detected test current and the detected utility power voltage with and without the pulsed test impedance applied.