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公开(公告)号：US20240364229A1
公开(公告)日：2024-10-31
申请号：US18580783
申请日：2022-05-10
CPC分类号： H02M7/217 , H02M1/08 , H02M3/33573
摘要： An effective technique is applied to a rectifier circuit that performs synchronous rectification using a switching element. The rectifier circuit performs the synchronous rectification using a MOSFET, for example, as the switching element. By using the rectifier circuit, a capacitance of a capacitor for supplying power to a drive circuit can be reduced. As a result, downsizing and cost reduction of the rectifier circuit and the power supply using the rectifier circuit can be achieved.
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公开(公告)号：US20240356455A1
公开(公告)日：2024-10-24
申请号：US18579955
申请日：2022-07-08
申请人： ZTE CORPORATION
发明人： Rundong LIU , Hong WANG , Jianping ZHOU , Jingxuan ZHOU , Zhexu LI , Lingsong YI
摘要： A voltage conversion circuit, a control method, a power supply device, and a storage medium are provided. The circuit may include a fourth switch module, a third switch module, a first switch module, a second switch module and a ground lead which are sequentially connected in series; a first capacitor connected to a first common terminal and a second common terminal respectively; a second capacitor connected to a power output terminal and a ground lead; a driving module configured to regulate an initial duty ratio of a driving signal for each of the first to fourth switch modules, based on a capacitor voltage of both ends of the first capacitor; and an inductor connected with a power input terminal and a third common terminal respectively, or connected with the third common terminal and the power output terminal respectively.
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公开(公告)号：US20240356432A1
公开(公告)日：2024-10-24
申请号：US18683474
申请日：2022-09-28
发明人： Yoshitsugu KOYAMA , Kodai OKUZONO , Masaki KONO , Reiji KAWASHIMA , Hirotaka DOI
摘要： A power conversion device includes: a power converter using a switching element; and a noise reduction circuit, the noise reduction circuit including: a noise detector configured to detect a common mode noise current or a common mode noise voltage generated in a power line in response to operation of the power converter; an amplifier configured to generate a compensation current based on a detection signal from the noise detector; and an output circuit configured to output the compensation current generated by the amplifier to the power line. A power conversion board carrying the power converter and a canceler board carrying the amplifier are different boards.
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公开(公告)号：US20240356333A1
公开(公告)日：2024-10-24
申请号：US18638599
申请日：2024-04-17
CPC分类号： H02J3/144 , H02J3/46 , H02M1/0067 , H02M7/217 , H02M7/219
摘要： A power converter system includes a plurality of AC-DC-HFAC modules configured to generate HFAC voltages from the AC voltage received from a power source. The power converter system further includes a plurality of multi-winding high frequency transformers (HFTs) including primary windings and secondary windings. Each secondary winding of the plurality of multi-winding HFTs coupled to the plurality of AC-DC-HFAC modules generates an HFAC voltage port. Further, the power converter system includes one or more HFAC-DC modules coupled to a corresponding secondary winding of the plurality of multi-winding HFTs, thereby generating isolated DC load ports. The plurality of multi-winding HFTs is operated based on a phase angle control technique for enabling power transmission between the primary windings to each of the secondary windings based on the load demand, thereby providing DC power supply to loads.
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5.发明公开公开(公告)号：US20240349400A1
公开(公告)日：2024-10-17
申请号：US18681597
申请日：2022-07-28
CPC分类号： H05B1/0202 , H02M7/217
摘要： A control circuit for a resistive heater includes a rectifier configured to receive an AC signal from an AC source. A switch is connected to the rectifier. A first diode is connected to the switch and the rectifier. An LC circuit is connected to the switch, the first diode and a resistive heater. A thermocouple is configured to generate a temperature signal based on a temperature of the resistive heater. A switch controller is configured to receive the temperature signal from the thermocouple and generate a switch control signal configured to control a duty cycle of the switch to vary power output to the LC circuit. The LC circuit outputs a rectified AC signal having an amplitude that varies based on a duty cycle of the switch.
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公开(公告)号：US20240348176A1
公开(公告)日：2024-10-17
申请号：US18630954
申请日：2024-04-09
发明人： Jeffrey Hwang
CPC分类号： H02M7/217 , H02M1/4241
摘要： A switching power supply comprising: a first power supply stage configured to receive an AC input voltage and to generate a DC output voltage, wherein the DC output voltage of the first power supply stage is set to a first target level during a first load condition and, otherwise, the output voltage is set to a second target level, the second target level being higher than the first target level. A level of power provided to a second power supply stage by the first power supply stage may be monitored to determine whether the switching power supply is operating in accordance with the first load condition or the second load condition. A level of the regulated DC output voltage May be adjusted according to a level of power drawn by the switching power converter in order to maintain a switching frequency of the resonant switching converter at or near its resonant frequency.
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7.发明公开公开(公告)号：US20240339925A1
公开(公告)日：2024-10-10
申请号：US18745317
申请日：2024-06-17
发明人： Manish Bhardwaj
CPC分类号： H02M1/4208 , H02M1/4233 , H02M7/217
摘要： Example power factor correction circuits to correct the power factor of power converters are disclosed. An example power factor correction controller circuit includes a phase locked loop phase angle determiner to determine a first phase angle of an input voltage of the power converter and further includes a compensating current determiner to determine, based on the phase angle, a compensating current to compensate for a capacitive current introduced by at least one filter capacitor of the power converter. The power factor correction controller circuit further includes a switch controller to cause a controlled current drawn by a power stage of the power converter to be adjusted by the compensating current to reduce a phase offset between the first phase angle of the input voltage and a second phase angle of the input current drawn at an input of the power converter.
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公开(公告)号：US12110672B2
公开(公告)日：2024-10-08
申请号：US17165518
申请日：2021-02-02
申请人： INSINKERATOR LLC
发明人： Jeffrey Ward , Walter Bennage , Dane Hofmeister
IPC分类号： E03C1/266 , B02C18/00 , B02C25/00 , H01B9/00 , H01R13/10 , H01R24/22 , H01R25/00 , H02G3/06 , H02K21/14 , H02M7/217
CPC分类号： E03C1/2665 , B02C18/0092 , B02C25/00 , H01B9/006 , H01R13/10 , H01R24/22 , H01R25/006 , H02G3/0683 , H02K21/14 , H02M7/217
摘要： Food waste disposer systems and related systems for coupling food waste disposer systems having permanent magnet (PM) motors to electrical power sources, and related coupling and configuration methods, are disclosed herein. In at least one example embodiment, a food waste disposer system includes a PM motor, an AC-to-DC converter having AC input and DC output ports, a housing, a power cord connection structure supported at least indirectly upon the housing, an adapter, and a power cord including a first plug configured to be coupled to the connection structure. The disposer system can be selectively implemented either in a first installation environment including a wall outlet by way of coupling the first plug to the connection structure, or in a second installation environment including a hardwired power cable by coupling additional lead wires of the hardwired power cable to the adapter and further coupling the adapter to the connection structure.
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公开(公告)号：US12107491B2
公开(公告)日：2024-10-01
申请号：US17717205
申请日：2022-04-11
发明人： Sebastian Schroth
CPC分类号： H02M1/4216 , H02M1/4225 , H02M7/217 , H02M1/0085 , H02M1/10 , H02M1/325
摘要： A circuit arrangement configured to execute DC link processing with simultaneous reduction of the harmonic components in the input current, i.e., for usability or applicability in different power supply networks, particularly both in single-phase and three-phase networks with the same circuit topology or in the event of the failure of a phase.
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10.发明公开公开(公告)号：US20240318416A1
公开(公告)日：2024-09-26
申请号：US18675703
申请日：2024-05-28
申请人： INSINKERATOR LLC
发明人： Jeffrey Ward , Walter Bennage , Dane Hofmeister
IPC分类号： E03C1/266 , B02C18/00 , B02C25/00 , H01B9/00 , H01R13/10 , H01R24/22 , H01R25/00 , H02G3/06 , H02K21/14 , H02M7/217
CPC分类号： E03C1/2665 , B02C18/0092 , B02C25/00 , H01B9/006 , H01R13/10 , H01R24/22 , H01R25/006 , H02G3/0683 , H02K21/14 , H02M7/217
摘要： Food waste disposer systems and related systems for coupling food waste disposer systems having permanent magnet (PM) motors to electrical power sources, and related coupling and configuration methods, are disclosed herein. In at least one example embodiment, a food waste disposer system includes a PM motor, an AC-to-DC converter having AC input and DC output ports, a housing, a power cord connection structure supported at least indirectly upon the housing, an adapter, and a power cord including a first plug configured to be coupled to the connection structure. The disposer system can be selectively implemented either in a first installation environment including a wall outlet by way of coupling the first plug to the connection structure, or in a second installation environment including a hardwired power cable by coupling additional lead wires of the hardwired power cable to the adapter and further coupling the adapter to the connection structure.
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