Abstract: An electrical power regulating apparatus includes a controller arranged to detect an electrical source characteristic of an electrical power source; and a power converter arranged to adjust an electrical load characteristic of an electrical loading stage in connection with the electrical power source based on the at least one electrical source characteristic being detected by the controller, such that the electrical power source is arranged to deliver a maximum amount of electrical power to the electrical loading stage. A method for regulating an electrical power circuit is also provided.

Abstract: A system for controlling a switching network of a power regulation circuit arranged to regulate power transfer between a first and second circuit connected with the power regulation circuit includes one or more controllers receiving one or more first signals indicative of power characteristics of the first circuit and one or more second signals indicative of power characteristics of the second circuit. The controllers determine, based on the received signals and reference signals, a required power output for regulating power transfer between the first and second circuit, and then select, dynamically, a switching scheme, from predetermined switching schemes, based on the determination result. The predetermined switching schemes represent unique switching schemea for controlling switching of respective switches of the switching network.

Abstract: An electric circuit arrangement and a method for generating electric current pulses to a load, the electric circuit arrangement including a switch and a current source in series connection with the load; wherein the switch is arranged to operate in at least an on state and an off state, thereby selectively connecting or disconnecting the current source to or from the load so as to generate the electric current pulses. With such architecture, the circuit performs with a better efficiency than a cascaded architecture.

Abstract: A system and a method for estimating component parameters relating to electric components of an electric circuit comprising the steps of receiving one or more sample variables associated with the electric circuit, applying the one or more sample variables to one or more component relationships associated with an arrangement of the electric components of the electric circuit, and processing the one or more component relationships with an approximation process to determine one or more estimated component parameters.

Abstract: A power factor correction circuit for a power electronic system includes a series-pass device arranged to control an input characteristic of a power converter, and a control mechanism arranged to control an operation of the series-pass device during a power conversion process. The correction circuit increases a power factor of the power electronic system and/or reduces a harmonic distortion generated by the power converter to an electrical current supplied by a power source in the power electronic system.

Abstract: A system and method for emulating a gas discharge lamp comprising an input arranged to direct electric current from a lamp ballast to a delay circuit, wherein the delay circuit is arranged to establish an electrical communication between the lamp ballast and an electric lamp when a predetermined condition associated with one or more characteristics of the gas discharge lamp is attained.

Abstract: A circuit arrangement for use in a power conversion stage and a method of controlling a power conversion stage includes at least two electronic devices connected in series, the at least two electronic devices including at least one active power electronic device operable in a plurality of operation states including an active linearly operated state; wherein the at least one active power electronic device is arranged to be controlled and to operate in the plurality of operation states in each of a plurality conversion cycles, such that a generation of electric harmonics in the power conversion stage is suppressed during an operation of the power conversion stage.

Abstract: A method of diagnosing an electrical energy storage apparatus includes exciting at least one energy storage system in the electrical energy storage apparatus; sampling data associated with an electrical characteristic of the at least one energy storage system in response to the excitation of the at least one energy storage system; and estimating at least one electrical parameter and/or at least one operational condition attribute of the at least one energy storage system.

Abstract: A dc link module for a power circuit comprising a first connector for connecting to a first power conversion circuit, a second connector for connecting to a second power conversion circuit, wherein the second power conversion circuit is connected to a load circuit arranged to at least intermittently operate as a power source to the power circuit, at least one dc link capacitors arranged between said first connector and said second connector for processing a voltage signal received at said first connector or said second connector, and at least one voltage compensation circuits arranged between said first connector and said second connector, said one or more voltage compensation circuits arranged to generate a voltage signal to compensate an ac ripple component in a dc voltage signal appearing across the at least one dc link capacitor.

Abstract: A current control apparatus arranged to regulate an electric current flowing between a load and an external electric circuit includes a current control loop having a current regulator arranged to manipulate an amount of the electric current flowing between the load and the external electric circuit; and a voltage control loop having a voltage regulator arranged to manipulate a voltage across the current regulator.

Abstract: An electrical power regulating apparatus includes a controller arranged to detect an electrical source characteristic of an electrical power source; and a power converter arranged to adjust an electrical load characteristic of an electrical loading stage in connection with the electrical power source based on the at least one electrical source characteristic being detected by the controller, such that the electrical power source is arranged to deliver a maximum amount of electrical power to the electrical loading stage. A method for regulating an electrical power circuit is also provided.

Abstract: A dc link module for a power circuit includes a first connector for connecting to a first power conversion circuit, a second connector for connecting to a second power conversion circuit, wherein the second power conversion circuit is connected to a load circuit arranged to at least intermittently operate as a power source to the power circuit, at least one dc link capacitors arranged between said first connector and said second connector for processing a voltage signal received at said first connector or said second connector, and at least one voltage compensation circuits arranged between said first connector and said second connector, said one or more voltage compensation circuits arranged to generate a voltage signal to compensate an ac ripple component in a dc voltage signal appearing across the at least one dc link capacitor.

Abstract: An electrical load driving apparatus, comprising a current distribution apparatus having a power source arranged to deliver an input current into a plurality of branches such that the input current is distributed into a plurality of individual branch currents, wherein each of the plurality of branches includes an inductive arrangement arranged to form an inductive coupling with an associated inductive arrangement of at least one other associated branch, and a plurality of output loads connect to each of the associated branches of the current distribution apparatus.

Abstract: A circuit arrangement for filtering an electric current, wherein the circuit arrangement is arranged between a power source providing the electric current and a load; and the electric current includes a first current component and a second current component. The circuit arrangement includes a first circuit arranged to receive and filter the first current component, a current control device arranged to receive and regulate the second current component so as to provide a regulated current to the load, and a control circuit arranged to provide a control signal to the current control device so as to control regulation of the second current component. The control circuit is further arranged to detect one or more operation parameters associated with the current control device, and to determine the control signal based on the one or more detected operation parameters.

Abstract: An input filter for a power electronic system includes a series-pass device arranged to control an input characteristic of a power converter, and a control mechanism arranged to control an operation of the series-pass device during a power conversion process, so as to filter a noise signal generated by the power converter from reaching a power source of the power electronic system.

Abstract: An LED lighting circuit includes a first node and a second node adapted to couple with an AC input power source; and an LED circuit loop having a plurality of LED light strings each having one or more LED light elements, the LED circuit loop defines a closed loop arranged between the first node and the second node and is connected to the first node and the second node respectively through a capacitive arrangement such that the LED light strings in the LED circuit loop is arranged to be driven with DC power while AC power provided by the AC input power source is transmitted between the first and second nodes.

Abstract: An apparatus facilitating luminosity uniformity across organic light emitting diode (OLED) device is provided. In one embodiment, the apparatus can include an organic light emitting diode (OLED) device including: an anode; a semiconductor material coupled to the anode; and a cathode coupled to the semiconductor material. The apparatus can also include a hollow heat sink coupled to the cathode and configured to reduce a temperature of the OLED device resulting in a first temperature of the OLED device being a first value in a first region of the OLED device and a second temperature of the OLED device being a second value in a second region of the OLED device. A temperature distribution characterized by a change in temperature from the first temperature to the second temperature to a third temperature is approximately ?-shaped from the first region to the second region to the third region.

Abstract: A battery tester for efficiently extracting intrinsic characteristics of a battery. The battery tester comprises a sensing unit, a controller, bi-directional power converter, and an energy storage unit so that energy discharged from a battery during testing is stored in the energy storage unit and recycled back to the battery. The battery tester uses a high current pulse test and a switching excitation test with a modified particle arm optimization algorithm to analyze precise model parameters that can be used to describe the health conditions of a battery.

Abstract: A power flow control apparatus comprising a current distribution circuit arranged to distribute an input current into a plurality of branches such that the input current is distributed into a plurality of individual branch currents; wherein each of the plurality of branches includes an inductive arrangement arranged to form an inductive coupling with an associated inductive arrangement of at least one other associated branch, and a plurality of compensator units in electrical communication with the plurality of branches, wherein each compensator unit is arranged to deliver a branch compensating voltage relative to the branch current.

Abstract: A current distribution apparatus comprising a common current source arranged to deliver an input current into a plurality of branches such that the input current is distributed into a plurality of individual branch currents, wherein each of the plurality of branches includes an inductive arrangement arranged to form an inductive coupling with an associated inductive arrangement of at least one other associated branch.