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9088216 Controller for a synchronous rectifier switch  
A controller for a power converter and method of operating the same employable with a bridge rectifier having first and second synchronous rectifier switches. In one embodiment, the controller...
9048738 Systems and methods for zero voltage switching in power conversion systems  
System and method for regulating a power converter. A system for regulating a power converter includes a controller, a first switch, and a second switch. The controller is configured to generate a...
9042131 Power-packet-switching converter with sequenced connection to link inductor  
Methods and systems for managing link voltages in a power converter, where single phase, three phase or universal systems can be used. Common mode management refers to shifting of voltages in a...
9042142 Multi-level voltage converter  
The invention discloses a voltage source converter and a voltage source converter system. The voltage source converter comprises: a multi-level voltage source converter, being adapted to output a...
9042139 Voltage regulator with inductor banks and control signal  
A voltage regulator coupled to an unregulated DC input voltage source by an input terminal, and to a load by an output terminal is disclosed. The voltage regulator converts an input voltage at the...
9042129 System and method for controlling power in a distribution system  
An integrated power quality control system includes a transformer with a primary winding, a secondary winding and a compensation winding wound on a magnetic core. A power electronic converter in...
9042112 Converter power unit and its bus bars  
A converter power unit comprises: a heat sink; n power switch modules on the heat sink; a first group of laminated bus bars comprising a first and a second bus bar; a capacitor group comprising m...
9042144 High voltage rectifier and voltage doubler using low voltage CMOS process transistors  
A high voltage full wave rectifier and doubler circuit having complementary serially connected low voltage MOSFET stacks to provide high voltage capability. The state of the MOSFETs in the MOSFET...
9042123 Full bridge DC-DC converter that applies current doubler  
A full bridge DC-DC converter to which a current doubler is applicable is provided and includes a transformer and a switching circuit that converts a high direct current voltage into a high...
9042134 Grid-connected inverter and method for filtering AC output thereof  
Disclosed is a grid-connected inverter and a method for filtering AC output thereof. The grid-connected inverter includes an AC output filter which includes two or more switchable filtering...
9042135 Methods and apparatuses for a soft-start function with auto-disable  
Methods and apparatuses for a soft-start function with auto-disable are described. Such methods and apparatuses can gradually increase a voltage towards a reference voltage using a ramp generator...
9042132 Noise suppression circuit for power adapter  
A noise suppression circuit for a power adapter is disclosed. The noise suppression circuit can reduce or eliminate adapter-induced noise that could interfere with an electronic device powered by...
9041339 Battery power delivery module  
A system and method for digital management and control of power conversion from battery cells. The system utilizes a power management and conversion module that uses a CPU to maintain a high power...
9042137 Even-level inverter  
There is provided an even-level inverter, including: a voltage-dividing circuit dividing input DC power into an even number of voltage levels; a plurality of switching devices connected to...
9042128 Switching power supply  
A flyback type switching power supply includes between P and N of a direct current output a sudden load change detector circuit, which normally has no power consumption, that detects only a...
9042145 Circuit configuration with a step-up converter, and inverter circuit having such a circuit configuration  
An inverter circuit contains a first and second DC sources for providing a DC voltage, a common step-up converter for boosting the DC voltage, an intermediate circuit capacitor connected between...
9042140 Bridge-less step-up switching power supply device  
A bridge-less step-up switching power supply device includes (i) a first and a second reactor having: a first and a second main winding connected to a first and a second input terminal,...
9042130 Power conversion system and drive chain comprising the power conversion system  
Provided is a power conversion system that includes a first transformer adapted to be connected to an AC network, the first transformer including a first primary winding and two first secondary...
9042147 Power inverter including a power semiconductor module  
A power inverter includes a power semiconductor module that includes a power semiconductor device, a control circuit board that outputs a control signal used for controlling the power...
9042127 LED power supply  
A method can be used for controlling the switching operation of a switching power converter that includes a semiconductor switch coupled in series to an inductor. The switching power converter...
9042126 Switching power converting apparatus, switching controller for the same, and method of controlling a bipolar junction transistor of the same  
A switching power converting apparatus includes a coil unit, a bipolar junction transistor (BJT) controlling power transfer through the coil unit, and a current sensing resistor sensing a current...
9042138 Power management device of a touchable control system  
A power management device of a touchable control system includes a boost circuit, a storage circuit, a detection circuit and a loading circuit. The boost circuit has an output terminal and...
9042122 Power converter and method for balancing voltages across input capacitors  
A power converter and a method for balancing voltages across input capacitors are disclosed in the present application. The power converter includes: two DC input terminals; a first input...
9042121 Power converter with preemptive protection  
Among many embodiments, a power conversion apparatus and a method for converting power are disclosed. The power conversion apparatus may include switching components configured to create an...
9042146 DC pre-charge circuit  
Systems and methods are provided for pre-charging the DC bus on a motor drive. Pre-charging techniques involve pre-charge circuitry including a manual switch, an automatic switch, and pre-charge...
9042136 Magnetic flux conversion device  
Embodiments provide a magnetic flux conversion device (MFCD) that may produce a regulated output signal with a target value (e.g., target voltage and/or target current) from a source signal on a...
9042125 Series resonant power converter system and method with improved efficiency  
A series resonant power converter includes a power stage comprising a switching circuit operating at least a resonant frequency. To achieve soft switching and provide current at a voltage through...
9042141 Control of energy storage system inverter system in a microgrid application  
A system that manages a supplemental energy source connected to a power grid uses a two stage control strategy to manage power transfers in and out of the power grid as well as in and out of an...
9042124 Circuits and methods for determining peak current  
Embodiments include circuits and methods to determine peak current for current regulation. A control signal circuit monitors a current on the primary side of a transformer based a turn on time of...
9042133 Printed circuit board  
A power source circuit includes a switching circuit 4 that converts a direct current voltage obtained by converting an alternating voltage from an alternating power source input through a pair of...
9041245 Power supply apparatus and method to control the same  
A power supply apparatus includes a converter to convert AC power into DC power, an SMPS to convert the DC power into DC powers desired by loads, a capacitor to interconnect the converter and the...
9041372 Wide output voltage range switching power converter  
A switching power converter includes a voltage source that provides an input voltage Vin to an unregulated DC/DC converter stage and at least one buck-boost converter stage to produce a desired...
9041368 Power supply device  
A power supply device includes a first converter which converts an input voltage to a first voltage, a second converter which converts the first voltage from the first converter to a second...
9042143 Low forward voltage rectifier using capacitive current splitting  
A Low Forward Voltage Rectifier (LFVR) circuit includes a bipolar transistor, a parallel diode, and a capacitive current splitting network. The LFVR circuit, when it is performing a rectifying...
9036383 Power supply device control circuit  
In some aspects of the invention, overcurrent protection is carried out by suppressing fluctuations in current flowing through a switching element after overcurrent detection. A peak current...
9036382 Method and apparatus for ripple and phase loss detection  
Methods and apparatus are presented for detecting phase loss and/or excessive ripple in a power converter, in which bandpass filters are used to obtain harmonic voltage amplitudes associated with...
9036386 Interleaved two-stage power factor correction system  
Methods and systems are described for providing power factor correction for high-power loads using two interleaved power factor correction stages. Each power factor correction stage includes a...
9036375 Controller that determines average output current of a switching circuit  
A switching circuit (400) comprising an inductive component (406) including at least one winding; and a switch (404) is configured to transfer power from a voltage source (402) to the inductive...
9036389 Secure control mechanism for distributed photovoltaic system  
A system for controlling photovoltaic electricity production equipment having photovoltaic modules each equipped with a DC/DC microconverter connected to a DC bus, a DC bus manager, and an...
9036371 Adaptive inductive power supply  
A contactless power supply has a dynamically configurable tank circuit powered by an inverter. The contactless power supply is inductively coupled to one or more loads. The inverter is connected...
9035350 Systems, circuits, devices, and methods with bidirectional bipolar transistors  
Methods, systems, circuits, and devices for power-packet-switching power converters using bidirectional bipolar transistors (BTRANs) for switching. Four-terminal three-layer BTRANs provide...
9036380 Multi-level inverter control method and controller for a wind generation power system  
A system, method, and apparatus for providing three level inverter modulation is disclosed. In one embodiment, control signals can be provided to control a three level inverter in a power...
9035658 Method for detecting a breakdown in a switching current source and corresponding power source  
A method of detecting a fault of a switching electricity source having a control stage responsive to a setpoint signal to deliver a control signal that is modulated with a predetermined duty ratio...
9036378 Power conversion system with adjustable frequency  
A power conversion system with adjustable frequency includes an electric transformer, a pulse width modulation driving controller, a switching transistor, a first and second voltage division...
9036372 Method for controlling a resonant-mode power supply and a resonant-mode power supply with a controller  
A method for controlling a resonant-mode power supply, the resonant-mode power supply comprising an assembly of switches (K1, K2, K3, K4), between which a resonant circuit with an output load is...
9036377 Control circuit of a switched-mode power converter and method thereof  
A method for controlling voltage crossing a power switch of a switched-mode power converter includes the steps of: controlling a switch frequency of the power switch of the switched-mode power...
9036369 Programming of an integrated circuit on a multi-function terminal  
Methods and apparatuses for programming a parameter value in an IC (e.g., any power electronic device, such as a controller of a power converter) are disclosed. The parameter can be...
9035508 Rotating resistor assembly  
A resistor pack assembly includes a first mounting plate, a second mounting plate, a cylindrical suppression resistor, and a cylindrical cover. The first mounting plate has a circular face, a...
9035583 System for controlling the speed of an electric fan  
The system has a driving circuit for the motor of the electric fan, coupled to the electrical system of a motor vehicle and having a plurality of controlled electronic switches, and an electronic...
9036370 AC/DC power converter with improved power factor and improved THDi  
A power converter including: a first controlled current source configured to control current flowing on a DC supply bus of the converter, a switch connected to a second current source and to a...