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Matches 901 - 950 out of 33,041

Document Document Title
WO/2018/095619A1
The invention relates to an actuation assembly for voltage-controlled switching elements (SE1, SE2), in particular in a switch power supply. The actuation assembly comprises an actuation transmitter which transmits pulsed control signals...  
WO/2018/096890A1
The present invention is for driving a plurality of serially-connected semiconductor elements (1, 2, 21, 22, 23), which include semiconductor elements (1, 21) for start-up and semiconductor elements (2, 22, 23) for next-stage driving, th...  
WO/2018/095763A1
An AC/DC converter and conversion method are provided, in which an AC input is rectified and shaped by a waveform shaping capacitor. A current source circuit is used to provide the output current to the output load which has a parallel b...  
WO/2018/097858A1
A linear light-emitting diode (LED)-based solid-state lamp comprises an LED driving circuit, LED arrays, at least one rectifier, and an operation monitoring module. The LED driving circuit comprises a current sensing device that is origi...  
WO/2018/095782A1
The invention relates to a method for controlling a switching module based on thyristor switching elements. The invention relates, in particular, to a method for controlling at least one switching module wherein the switching module cons...  
WO/2018/094897A1
A smart sine wave buck conversion apparatus, comprising: an input rectifier unit (10); a high frequency modulation unit (30), comprising a first switch transistor (Q7) and a second switch transistor (Q10), a drain electrode of the first ...  
WO/2018/097474A1
The present invention shares an inverter of wireless power transmission and a rectifier of wireless power reception so as to reduce the size of hardware, can reduce the power consumption of a wireless power reception unit, accounting for...  
WO/2018/092751A1
According to the present invention, a quick charging control means is provided with a power semiconductor 23 which comprises a sapphire substrate 23a and a gallium nitride power transistor 231 that is formed on the sapphire substrate; an...  
WO/2018/091368A1
A multiphase electric motor system and a method for controlling a multiphase electric motor system are disclosed. The method for controlling the multiphase electric motor system includes modulating a plurality of carrier signals with a p...  
WO/2018/091116A1
A method (40) is provided of operating a chain-link converter (20) comprising one or more phases, each of the one or more phases comprising a number of series- connected converter cells (101, 102,..., 10n, 351, 352,..., 35n). The method ...  
WO/2018/093848A1
A power electronics system, comprising a first inverter configured to receive DC power from a power source and a second inverter configured to receive DC power from the power source is provided. The system includes a first output inducto...  
WO/2018/091145A1
The invention relates to a control circuit (100) for a converter for use in a vehicle, more particularly in an electrically powered vehicle. The converter has at least one controllable power semiconductor device (102), the control circui...  
WO/2018/091299A1
The invention relates to a DC-DC converter (1) and a method for operating same. The DC-DC converter (1) comprises an inverter (3), a transformer (5), a rectifier (7), a clamping assembly (9), and a control unit (11). The inverter (3) has...  
WO/2018/091051A1
Embodiments herein describe a power converter in a wind turbine that includes a rectifier and an inverter. The rectifier includes a plurality of phase legs where each phase leg includes a plurality of full bridge cells configured to bloc...  
WO/2018/091997A1
Various methods and devices that involve snubber circuits for switching power converters are disclosed. An example power converter has a snubbing circuit. The snubber circuit comprises a bypass capacitor connecting an input node of the p...  
WO/2018/091209A1
Method (300) for identifying an interruption in an electrical line (100). The line (100) connects a DC voltage converter (110) to a battery (120) and has a node point (130). At least one electrical load (140) is connected to the node poi...  
WO/2018/087442A1
The invention relates to a method for controlling a power-factor-correcting circuit (11) of the three-phase Vienna rectifier type, comprising three switching arms (S1, S2, S3) connected to one of the respective phases of a three-phase ne...  
WO/2018/087100A1
The invention relates to a control system (128) comprising a fault-detection system (144) designed to detect, for each switching arm (116n), a fault in the switching arm (116n), based on the condition of the mid-point (Un) of the switchi...  
WO/2018/087446A1
The invention concerns a method for controlling a power factor correction circuit of the three-phase Vienna rectifier type (110), comprising a three-phase diode bridge and three switching arms (S1, S2, S3) interconnected at a midpoint (M...  
WO/2018/087896A1
This MOSFET 100 is characterized by being provided with: a semiconductor substrate 110 provided with a super junction structure 117; and a gate electrode 126 formed on a first main surface side of the semiconductor substrate 110 with a g...  
WO/2018/086806A1
The invention relates to a switching power supply (SN) or a switched-mode power device. The switching power supply (SN) comprises a rectifier unit (GL) for a mains connection and for rectifying a three-phase AC voltage (Un). The switchin...  
WO/2018/087899A1
This MOSFET 100 is characterized by being provided with: a semiconductor substrate 110 which is provided with an n-type column region 114, a p-type column region 116, a base region 118, and a source region 120, and in which a super junct...  
WO/2018/084938A1
A configurable charge converter may include an adaptive low-dropout regulator. The adaptive low-dropout regulator may include a headroom detection circuit and a power supply controller. The headroom detection circuit may monitor a voltag...  
WO/2018/083310A1
The present invention relates to a power converter assembly comprising at least one self-oscillating resonant half bridge power converter. The at least one self-oscillating resonant half bridge power converter comprises first and second ...  
WO/2018/084398A1
Disclosed is a rectifier capable of preventing overload via sequential switching control. A rectifier according to the present invention comprises a full bridge circuit configured by a plurality of switching transistor groups, each of wh...  
WO/2018/085438A1
A voltage regulator comprising: a first regulator module comprising a first transistor switch, wherein the first module operates in a first phase and wherein the first switch is configured to receive a first signal at a first gate of the...  
WO/2018/081918A1
A switching power supply circuit (100). The switching power supply circuit (100) comprises: a switching power supply control circuit (101), a load switching circuit (102) and a load current detection circuit (103), wherein the load switc...  
WO/2018/083890A1
This semiconductor device is provided with: a first semiconductor chip (32) wherein an IGBT is formed; a second semiconductor chip (33) wherein an MOSFET connected in parallel to the IGBT is formed; a first metal member (34) electrically...  
WO/2018/080695A1
A feedthrough includes a flange comprising an inner cylindrical surface and a planar mounting surface. The inner cylindrical surface defines a cylindrical passage within the flange. The feedthrough further includes a printed circuit boar...  
WO/2018/079917A1
A device for extinction angle control of an HVDC system according to an embodiment of the present invention may comprise: a converter reactive power calculation unit that calculates a reactive power variation amount of the converter in a...  
WO/2018/077910A1
The present invention relates to the field of providing electrical power, particularly to the field of providing DC power generated from mains AC power input. A switched-mode power supply with power factor correction comprises an isolate...  
WO/2018/080378A1
An arrangement (100) of an electrical power tool for reducing a touch current is disclosed. The arrangement comprises a filter (101) configured to reduce electrical interference, a voltage booster (102) configured to rectify and increase...  
WO/2018/077650A1
The invention relates to a method for changing a switching state of a switching half-bridge (1), which has two field-effect transistors (5, 7), from a first switching state, in which a gate-source voltage (UGS1) of a first field-effect t...  
WO/2018/077581A1
The invention relates to an asymmetric control of the switching elements of a power converter in accordance with an operating parameter of the power converter, such as a temperature of the power converter. In particular in the case of un...  
WO/2018/079929A1
Disclosed is a DC-DC boost converter comprising a boost converter comprising an NMOS and a PMOS, wherein the gate voltage of the PMOS is controlled so as to always have an off gate voltage while the NMOS periodically switches between on ...  
WO/2018/076294A1
A reverse connection and current backflow prevention circuit comprises a voltage input end (VCC); a voltage output end (VOUT); a control circuit (10) for outputting a first control signal or a second control signal; a switch circuit (20)...  
WO/2018/080508A1
A fault communication system includes a system controller and a plurality of devices. Each one of the plurality of devices includes a single fault terminal. A fault bus consisting of only a single wire coupled to the system controller an...  
WO/2018/079905A1
The present invention relates to an apparatus for controlling an output voltage for a single-type converter, and a method therefor. The apparatus for controlling an output voltage for a single-type converter according to one embodiment o...  
WO/2018/080913A1
A full bridge LLC resonant converter can include: a full bridge circuit including a first input node and a second input node; a LLC resonant tank circuit connected to the first input node and the second input node; a transformer winding ...  
WO/2018/080632A1
An apparatus that includes resonant tanks, switches, control logic and one or more non-resonant capacitors. The control logic that generates two or more sets of control signal inputs applied to the inputs of the switches so that for each...  
WO/2018/078914A1
When turning off a semiconductor switch, starting from a state in which a first switching element (Q1) is in a fixed ON-state, a drive signal generation circuit turns on a fourth switching element (Q4) for a predetermined first period to...  
WO/2018/078511A2
Various methods and devices that involve control circuits for power converters are disclosed. One method comprises controlling a switch using a control signal based on a comparison signal. The switch controls a transfer of power between ...  
WO/2018/072953A1
The present invention relates to a DC-DC converter and to a method for controlling a DC-DC converter with high dielectric strength and reduced power losses. An optimized control of a potential-isolating multi-level half-bridge converter ...  
WO/2018/075710A1
A power system and method for performing a blackstart on a microgrid. The power system includes at least a first power converter (130) and a second power converter (140). The first power converter comprises a first controller (230) havin...  
WO/2018/072837A1
The present disclosure relates to a method of controlling a DC-to-AC Modular Multilevel Converter (MMC) (1) having a three-phase AC side connected to a three-phase AC network L and having a DC side connected to a DC network R. The MMC ha...  
WO/2018/073204A1
The invention relates to a device (12) for controlling a transistor (10), comprising: a separating assembly (16) for generating a first voltage (VC), a transformer (18) for obtaining a first and a second converted voltage (VD, VE) from t...  
WO/2018/072987A1
The invention relates to a DC-to-DC converter with reduced losses due to a reverse-recovery-effect. A transformer is provided on an input of the DC-to-DC converter. Due to said transformer, an electric current which is possibly still flo...  
WO/2018/074653A1
The present invention relates to a method for operating a semiconductor transformer by using an auxiliary power source and a DC/DC converter using the same, and a method for operating a semiconductor transformer by using an auxiliary pow...  
WO/2018/072016A1
A hybrid rectifier is provided comprising a top diode for conducting current during a positive current portion of a line current, a top transistor connected in parallel to the top diode, a bottom diode for conducting current during a neg...  
WO/2018/073076A1
The invention relates to a method for operating a DC-to-DC converter (10), wherein a current measurement circuit (17) produces a current measurement signal (Vsense), which is correlated with a coil current (14) of a coil (13) of the DC-t...  

Matches 901 - 950 out of 33,041