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公开(公告)号：US20200052604A1
公开(公告)日：2020-02-13
申请号：US16536911
申请日：2019-08-09
Inventor： SEYED-MILAD TAYEBI , ISSA BATARSEH , Haibing Hu
IPC: H02M3/335 , H01L31/042
Abstract: A multi-input power DC-DC converter includes a first and second bridge circuit for receiving power from a first and second electric power source. The first bridge circuit includes a first power switches with a first switch output node in between, and a second bridge circuit for receiving power from a second electric power source including second power switches with a second switch output node in between. At least one of the first and second electric power source is a photovoltaic (PV) panel. A single LLC resonant tank coupled to both the first and second output node is configured together with a transformer including a secondary winding and a primary winding that provides a magnetizing inductance which provides a second inductance for the single LLC resonant tank. A rectifier is coupled to the secondary winding.
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公开(公告)号：US20190058395A1
公开(公告)日：2019-02-21
申请号：US16105661
申请日：2018-08-20
Inventor： SEYED-MILAD TAYEBI , ISSA BATARSEH
Abstract: A two-stage microinverter for coupling a PV panel to a power grid includes a DC/DC converter stage having an input for coupling to the PV panel and a DC/AC inverter stage that has an output for coupling to the grid, with at least one DC link capacitor between the DC/DC converter and DC/AC inverter stage. A synchronous controller that includes a loop compensator coupled to a mixer is between an analog-to-digital converter (ADC) and a phase-locked loop (PLL) for coupling to an output voltage from the grid. The ADC receives a DC link voltage from the DC link capacitor. An output of the PLL is for controlling a timing of sampling by the ADC of the DC link voltage so that the ADC samples the DC link voltage when an AC component of a ripple voltage on the DC link voltage intersects an average value of the DC link voltage.
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