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Matches 1 - 50 out of 7,256

Document Document Title
WO/2018/129824A1
Provided is a smart half-bridge modified-wave voltage conversion circuit based on PFC interleaved flyback, comprising: an input rectifier filter unit (10); a PFC boost unit (20); an interleaved-flyback isolation transform unit (30), comp...  
WO/2018/129833A1
Provided is a smart sine-wave voltage conversion circuit based on MOS tube full-bridge rectification, comprising an alternating-current input unit (10), a MOS tube full-bridge rectifier unit (20), a PFC boost unit (30), a CLC filter unit...  
WO/2018/132342A1
Systems and methods for operating a power converter are provided. A DC to AC converter can include an inner converter and an outer converter. The inner converter can include an isolation transformer a first plurality of switching devices...  
WO/2018/129834A1
Provided is a smart modified-wave voltage conversion circuit based on MOS tube full-bridge rectification, comprising an alternating-current input unit (10), a PFC boost unit (30), an inverting phase-inversion unit (50), and a MOS tube fu...  
WO/2018/129835A1
A Vienna PFC-based smart half bridge sine wave voltage conversion circuit, comprising: an input unit (10), a Vienna PFC boost unit (20), and a half bridge inversion unit (30). The Vienna PFC boost unit comprises a boost inductor (L2), a ...  
WO/2018/129832A1
A Vienna PFC-based smart half bridge modified wave voltage conversion circuit, comprising: an input unit (10); a Vienna PFC boost unit (20), comprising a boost inductor (L2), a first switch transistor (Q3), a first diode (D1), a second d...  
WO/2018/126554A1
A smart correction wave voltage conversion circuit based on PFC, full bridge, and half bridge, comprising: an input unit (10), a PFC boost unit (20), a full bridge isolation transformation unit (30), and a phase inversion unit (40). The ...  
WO/2018/126555A1
A smart sine wave voltage conversion circuit based on PFC, full bridge and half bridge, comprising: an input unit (10); a PFC boosting unit (20); a full bridge isolation transformer unit (30), comprising a first switch tube (Q6), a secon...  
WO/2018/127960A1
Provided is a power conversion device with which overvoltage can be prevented during acceleration and during constant-speed operation, and deceleration at a desired deceleration rate is possible during deceleration. The power conversion ...  
WO/2018/128812A1
Power converters for use in wind turbine systems are included. For instance, a wind turbine system can include a full power generator having a stator and a rotor. The generator is configured to provide a low voltage alternating current p...  
WO/2018/128858A1
Systems and methods for grounding power generation systems with silicon carbide MOSFET power converters are provided. A power generation system can include a power generator comprising a multiphase rotor configured to generate multiphase...  
WO/2018/128856A1
Systems and methods for grounding power generation units with silicon carbide MOSFET power converters are provided. A power generation unit can include a power generator configured to generate multiphase alternating current power at a fi...  
WO/2018/128819A1
Power converters for use in wind turbine systems are included. For instance, a wind turbine system, can include a wind driven doubly fed induction generator having a stator and rotor. The stator is configured to provide a medium voltage ...  
WO/2018/120483A1
A PFC interleaved flyback full bridge based intelligent sine-wave voltage conversion circuit, comprising an input unit (10); a PFC boosting unit (20); an interleaved flyback isolating transformation unit (30) comprising a first switching...  
WO/2018/124568A1
A three-phase opening and closing control device of the present invention is a three-phase opening and closing control device which controls a breaker connected between a three-phase transformer and a system power supply, wherein the dev...  
WO/2018/120523A1
A PFC forward conversion half bridge-based smart sine wave voltage conversion circuit. The circuit comprises: an input rectifying and filtering unit (10); a PFC boosting unit (20); an isolation two-transistor forward converter (30) compr...  
WO/2018/120522A1
A PFC forward conversion half bridge-based smart modified sine wave voltage conversion circuit. The circuit comprises: an input rectifying and filtering unit (10); a PFC boosting unit (20); an isolation two-transistor forward converter (...  
WO/2018/107619A1
A PFC and LLC resonance-based intelligent full-bridge sine-wave voltage conversion circuit, comprising: an input rectification unit (10), a filtering unit (20), a PFC voltage boosting unit (30), and an LLC isolation converter unit (40), ...  
WO/2018/107599A1
A PFC forward full bridge-based intelligent sine wave voltage conversion circuit, comprising: an input unit (10): a PFC voltage boosting unit (20); an isolation type dual-transistor forward converter (30) comprising a first switching tra...  
WO/2018/107618A1
A power-factor correction (PFC) and LLC resonance-based smart full bridge correction wave voltage conversion circuit, comprising: an input rectifying unit (10); a filtering unit (20); a PFC boosting unit (30); an LLC isolating converter ...  
WO/2018/107621A1
A smart sine wave voltage conversion circuit based on a PFC flyback full bridge, comprising: an input unit (10); a PFC voltage boost unit (20); a flyback isolation converter unit (30), comprising a first switch transistor (Q6), a transfo...  
WO/2018/107600A1
A PFC forward full-bridge based intelligent modified-wave voltage conversion circuit, comprising an input unit (10), a PFC boosting unit (20), an isolated two-transistor forward converter (30), and an inverting phase reversal unit (60). ...  
WO/2018/107225A1
DC power supply systems and methods are disclosed. A power supply system includes a variable frequency drive (VFD) configured to convert AC power at a VFD input to controlled AC power at a VFD output, and the VFD is configured to control...  
WO/2018/107623A1
A PFC dual-full-bridge-based smart sine wave voltage conversion circuit, comprising an input rectifying and filtering unit (10), a PFC booster unit (20), a full-bridge DC-to-DC isolation converter unit (30), an inverter unit (40) and a f...  
WO/2018/107620A1
A power-factor correction (PFC) flyback full bridge-based smart correction wave voltage conversion circuit, comprising: an input unit (10); a PFC boosting unit (20); a flyback isolating converter unit (30), comprising a first switch tube...  
WO/2018/107622A1
A power-factor correction (PFC) double full bridge-based smart correction wave voltage conversion circuit, comprising: an input rectifying and filtering unit (10), a PFC boosting unit (20), and a full bridge DC-DC isolating converter uni...  
WO/2018/104765A1
A photovoltaic switch apparatus, which includes an input port having two input terminals connectable in circuit across an electrical supply output of a photovoltaic cell arrangement, an output port having two output terminals connectable...  
WO/2018/104808A1
There is provided a method of generating a control strategy based on at least three switching states of a matrix converter. The at least three switching states are selected based on at least a predicted output current, associated with ea...  
WO/2018/094899A1
A smart buck conversion device with a long service life, comprising a high-frequency modulation unit (30), a filter inductor filter unit (50), and an inverter unit (60). The high-frequency modulation unit comprises a first switch transis...  
WO/2018/094898A1
A smart boost conversion device with a long service life, comprising a high-frequency modulation unit (30), an inductance filter unit (40), and an inverter unit (50). The high-frequency modulation unit comprises an energy storage inducto...  
WO/2018/095946A1
The invention relates to a method (72) for operating a brushless electric motor (30) of a motor vehicle (2), particularly an electromotive refrigerant compressor (12), with two sub-motors (64, 66) arranged in sections and each comprising...  
WO/2018/094896A1
A smart sine-wave boost conversion device, comprising: an input rectifier unit (10), a high-frequency modulation unit (30), an inductance filter unit (40), an inverter unit (50), and a filter control unit (20). The high-frequency modulat...  
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/2018/095324A1
Provided is a torque control method for a static frequency converter in a pulse commutation stage. The static frequency converter comprises a rectifier bridge (NB) and an inverter bridge (MB), wherein the inverter bridge (MB) is composed...  
WO/2018/092240A1
Wiring (WP1, WN1, WC1) is provided between the DC bus bars (PL1, NL1, CL1) of a first converter unit (U1) and the DC bus bars (PL2, NL2, CL2) of a second converter unit (U2). Wiring (WP2, WN2, WC2) is provided between the DC bus bars (PL...  
WO/2018/093620A1
A portable power converter includes a housing having a front surface and a rear surface, a socket disposed on the front surface and configured to conduct an input waveform, and a plug disposed on the rear surface and configured to conduc...  
WO/2018/091065A1
A modular multilevel converter (10) for use in a high voltage (ac/ac) traction system (20) is disclosed. The modular multilevel converter (10) comprises three phases (A, B, C), each phase comprising a number of series-connected cascaded ...  
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/2018/089173A1
An electric assembly is described herein. The electric assembly can include a housing having at least one wall that forms a cavity, where the housing is rated for subsea conditions. The electric assembly can also include at least one mot...  
WO/2018/082786A1
The invention relates to an installation (1) for transmitting electrical power comprising a unidirectional rectifier (2) which can be connected at the AC voltage end to a first AC voltage supply system (3), a self-controlled converter (6...  
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/2018/075636A1
Enhanced common mode current reduction in three-phase inductors, transformers, and motor drive systems. A motor drive system includes an iron core transformer, a common-mode transformer coupled to a three-phase motor, and a variable spee...  
WO/2018/070023A1
An on-load tap switching device according to an aspect of the present invention has a changeover switch and an insulating mediator. The changeover switch includes a semiconductor switch, and shifts the transformation ratio by switching t...  
WO/2018/067933A1
An AC power converter converts power from an AC power source to an AC load. A DC power holding source is coupled to an input half-bridge switch, a common half-bridge switch and an output half-bridge switch. A controller is coupled to at ...  
WO/2018/067843A1
Embodiments of the present disclosure relate to a heating, ventilating, air conditioning, and refrigeration (HVAC&R) system that includes a variable speed drive (52) configured to provide power to a motor (50) that drives a compressor (3...  
WO/2018/067839A1
Embodiments of the present disclosure relate to a heating, ventilating, air conditioning, and refrigeration (HVAC&R) system that includes a variable speed drive (VSD) (52) configured to supply power to a motor (50) configured to drive a ...  
WO/2018/067833A1
Embodiments of the present disclosure relate to a refrigeration system that includes a compressor configured to circulate refrigerant along a refrigerant loop, a motor (106-1, 106-2, 106-3) configured to drive the compressor, and a varia...  
WO/2018/061653A1
The present invention relates to an automotive electric power converting device that performs a phase difference operation, provided with a plurality of electric power converters, including a converter which converts received alternating...  
WO/2018/059672A1
The present disclosure relates to a method of power unbalance compensation in a direct AC-to-AC Modular Multilevel Converter (MMC) (1) having a three- phase side connected to a three-phase AC network L having a first fundamental frequenc...  

Matches 1 - 50 out of 7,256