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Matches 201 - 250 out of 33,154

Document Document Title
WO/2019/195867A1
The invention relates to a power inverter circuit (1) which has a power inverter (2) and at least one intermediate circuit (3). In order to achieve a high degree of practicality and energy efficiency, a ceramic component (9) is arranged ...  
WO/2019/197302A1
The invention relates to a photovoltaic energy generating system (1) comprising a string (20) which has a series circuit of solar modules (10) and which is electrically connected to a power inverter (30) via connection lines (50) in orde...  
WO/2019/196782A1
Disclosed in the present invention is a switch power supply circuit used for three-phase input, comprising a first input rectification circuit, a first capacitor, a Boost feedback drive control circuit, and one or more Boost conversion c...  
WO/2019/197922A1
Embodiments of the disclosure include a switch having an on-state resistance that varies based on a temperature coefficient of the switch and an overcurrent protection circuit coupled to the switch and having an adjustable overcurrent th...  
WO/2019/199299A1
A power converter includes a first rectifier circuit having a pair of first rectifier circuit output terminals and a second rectifier circuit having a pair of second rectifier circuit output terminals, a snubber circuit comprising a firs...  
WO/2019/197556A1
Protection device for protection against electromagnetic disturbances in electrical networks (200), the protection device (100) comprising an electromagnetic filter (1). The electromagnetic filter (1) comprises a first and a second input...  
WO/2019/196784A1
A switching power supply circuit, comprising: a first loop formed by charging a first capacitor (C1) with a first input rectifying circuit (D1); a second loop formed by charging a second capacitor (C2) with a second input rectifying circ...  
WO/2019/196318A1
Provided in the present invention is a switch power supply, comprising an isolated feedback loop for feeding back an output voltage VCC to a control circuit, the isolated feedback loop comprising an optical coupler U1, a current-limiting...  
WO/2019/195357A1
The current disclosure relates to the design of an apparatus for enhancing the operation and reliability of high-power multi-chip modules, which are used in the design and implementation of power electronics converters. This apparatus is...  
WO/2019/193876A1
To notify, using minimal power consumption, a low-side control unit of an abnormality detection signal. Provided is a drive circuit for a semiconductor device, the drive circuit comprising: a control unit that generates a control signal ...  
WO/2019/193805A1
For example, this switch drive device 100 comprises: a driver 30 that drives an N-type semiconductor switch element PT1; a current limiting unit 50 capable of limiting the current supplied to a boot capacitor BC1 included in a bootstrap ...  
WO/2019/193834A1
According to the present invention, on/off determination units 23H, 23L output on/off determination signals SonH, SonL which indicate on/off states of switching elements M1, M2. Abnormality detection units 24H, 24L output abnormality det...  
WO/2019/194340A1
A constant power LED converter according to one embodiment of the present invention comprises: a power supply unit for receiving alternating current power, converting same into direct current power, and outputting the direct current powe...  
WO/2019/195503A1
Systems and methods for operating a power system having a doubly fed induction generator are provided. In example implementations, an electrical power system (100) connected to a power grid (190) can include a generator (120) comprising ...  
WO/2019/192295A1
Disclosed is a motor controller electrical-discharge control circuit, comprising a discharge signal transmission circuit, a switching circuit, and a discharge circuit; the switching circuit is separately connected to the discharge signal...  
WO/2019/192234A1
A zero voltage switching synchronous rectifying Boost circuit, a zero voltage switching Boost circuit (30), and a control method therefor; an auxiliary resonant circuit (40) is connected in series in a rectifying circuit of a main power ...  
WO/2019/188368A1
The present invention controls a passive capacitor Cp and an active capacitor Ca connected in series with a DC link 6 of a power conditioner 1 so that a voltage Va at the active capacitor Ca becomes a voltage serving as a DC bias compone...  
WO/2019/188069A1
Provided is a power conversion device capable of outputting low-power AC power with good responsiveness. The power conversion device is provided with an inverter circuit and a control unit. The inverter circuit is provided with one or a ...  
WO/2019/185151A1
The invention relates to an electrical circuit comprising a load (2) and at least one voltage source converter (24a-c) for reactive power compensation, which is connected to the load (2) in series. The voltage source converter (24a-c) is...  
WO/2019/186078A1
In brief, the invention relates in particular to a converter (100) comprising a plurality of rectifier arms (110), making it possible in particular to rectify AC electrical signals available on the electrical phases (U, V, W) of an elect...  
WO/2019/187722A1
According to the present invention, power is supplied to a power conversion device (3) from an alternating-current power source (1). An active filter device (2) that is a power source quality improvement part improves the quality of the ...  
WO/2019/185418A1
In an example, a controller for a first sub-unit of a converter is provided. The converter comprises a plurality of converter sub-units, each sub-unit comprising at least one switching element of the converter. The controller comprises a...  
WO/2019/187724A1
A gate voltage control/gate resistance switching circuit (21) is housed inside the same package (P1) as a switching element (11) and outputs drive signals to the switching element (11) to control turning of the switching element (11) on ...  
WO/2019/184880A1
Disclosed are a converter and a control method. The converter comprises a machine-side assembly, a power unit assembly and a grid-side assembly, sequentially disposed in a cabinet from top to bottom, wherein an input port of the power un...  
WO/2019/184420A1
A dust control system and a projection device. The system comprises: a master control chip, a sensor, and a removal system; the sensor is provided on the surface of a dust screen, and is configured to obtain a dust concentration on the s...  
WO/2019/187484A1
A gate drive circuit (1) comprises: a transmission unit (10) that generates a power signal used for driving a gate a semiconductor switching element (60); an isolation element (3) that transmits the power signal in an electrically isolat...  
WO/2019/185327A1
This application relates to a cell (1200) or sub-module for a voltage source converter (1201). The cell includes an energy storage apparatus (101; 101a, 101b)and a plurality of dual-switch semiconductor packages (201), each having first ...  
WO/2019/152976A3
A DC-to-DC power converter may include a non-transitory computer-readable memory storing a temperature coefficient associated with the DC-to-DC power converter and a controller coupled to the memory. The controller may be configured to r...  
WO/2019/179891A1
The invention relates to a control method (100) for multiport active bridge transducers (10) for avoiding saturation effects of the transformers (5) in the transducer (10) and a transducer (10) operated with a control method (100) of thi...  
WO/2019/182132A1
According to several embodiments, a device includes an inverter having a switching circuit. In addition, a first circuit has a first circuit ground and a second circuit has a second circuit ground. For example, the second circuit may be ...  
WO/2019/179944A1
The present invention provides an emergency power supply unit (1) for operating an emergency lighting means (6), preferably comprising at least one LED (6a); wherein the emergency power supply unit (1) comprises: - an energy storage unit...  
WO/2019/178642A1
An electrical power control apparatus, including : a magnetic core including at least three interconnected limbs defining a plurality of magnetic circuits, the at least three interconnected limbs including a first limb and second limbs; ...  
WO/2019/179621A1
The present disclosure relates to a compensator for an AC-AC power converter and an AC-AC power converter. The AC-AC power converter comprises a DC-link coupling an input rectifier module to an inverter. The compensator may include a fil...  
WO/2019/180299A1
A method for pulse-width modulation of a power converter (10) and a power converter (10) are presented. The method comprises determining (110) a modulation index, select- ing (120), based on the modulation index, a modulation technique f...  
WO/2019/179624A1
A circuit arrangement for decaying of a transient current flow between a first point and a second point on a neutral line of a high-voltage direct current (HVDC) power transmission system is provided. The circuit arrangement may include ...  
WO/2019/180079A1
There is provided an electrical assembly (20) for interconnecting first and second networks (40). The electrical assembly (20) comprises a power transmission medium (36,38) and a converter (22), the power transmission medium (36,38) conf...  
WO/2019/179787A1
A converter (20) comprises: a first terminal and a second terminal (24, 26), the first terminal (24, 26) configured for connection to a first network, the second terminal (34) configured for connection to a second network (40); at least ...  
WO/2019/175134A1
Buck converter (1) for supplying a battery (2), comprising a series connection of a diode (8) and a buck switch (4), the series connection being connected between a DC bus voltage (VDC) and a ground reference, an inductor (9) whose first...  
WO/2019/174931A1
The invention relates to a method for setting a dead time between the opening of a first switching element (31) of a half bridge (2) and the closing of a second switching element (32) of the half bridge (2), comprising the steps: reducin...  
WO/2019/175030A1
An electrical apparatus comprises a coolant carrier (FA1, FA2, FA3, RA1, RA2, FB1, FB2, RB1, RB2) for carrying coolant, the coolant carrier (FA1, FA2, FA3, RA1, RA2, FB1, FB2, RB1, RB2) arranged to interconnect a plurality of positions (...  
WO/2019/176077A1
A semiconductor switch control circuit 12 according to the present invention comprises: a pulse signal generator 13 that generates a pulse signal serving as a time reference for performance of on/off control of a semiconductor switch 6; ...  
WO/2019/174732A1
A voltage source converter (12) converts between AC and DC is connected between at least three DC terminals (DC1, DC2, DC3) and comprises three parallel AC phase modules each comprising an corresponding AC terminal (ACA1, ACB1, ACC3), wh...  
WO/2019/176328A1
Provided is a power supply device comprising: a voltage conversion unit that converts input voltage to output voltage via pulse width modulation; a frequency reduction circuit that reduces the frequency of the pulse width modulation in c...  
WO/2019/175429A1
The invention relates to a filter unit (1), wherein the filter unit (1) is intended to be connected between an inverter (2) and an electric motor (3), wherein the filter unit (1) comprises: - a number of phase connections (Ue, Ve, We) fo...  
WO/2019/176858A1
Provided is a gate driving device which drives some or all of a plurality of insulated-gate type semiconductor elements (1-6) that are connected in parallel, the gate driving device being provided with: gate driving circuits (20, 20A, 20...  
WO/2019/172239A1
In order to widen the options of power supply devices to be applied, this operation device is provided with: an operation unit that operates by the current supplied from a power supply; and an adjustment unit that lowers the value of the...  
WO/2019/171509A1
This switching device is provided with: a drive circuit (2-4) which makes a switch of a switching element (1); and a variable capacitance circuit (6A) which is connected between the drive circuit (2-4) and a control terminal (G) of the s...  
WO/2019/170291A1
The invention relates to a method for operating a drive system, wherein the drive system has a rectifier, a stored energy source connected to the direct-voltage-side connection of the rectifier via a DC/DC converter, and a motor that can...  
WO/2019/170910A1
A multi-phase power factor converter is disclosed, wherein each phase of the power factor converter includes a voltage measurement circuit (104, 106, 108, 110, 112), a boost coil (122, 136, 140), a current measurement circuit (120), and ...  
WO/2019/170491A1
The invention relates to a power electronics system (1) for converting energy, comprising at least one electronic driver circuit for driving amplification (10), at least one floating-ground isolated power supply (11), and at least one di...  

Matches 201 - 250 out of 33,154