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Coupled inductors inverter topology

An inductor and inductor technology, applied in the field of coupled inductor inverter topology, can solve problems such as low complexity controllers

Pending Publication Date: 2021-08-03
SOLAREDGE TECH LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

An inverter that combines two voltage levels at its output may require a less complex controller

Method used

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  • Coupled inductors inverter topology
  • Coupled inductors inverter topology
  • Coupled inductors inverter topology

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Embodiment Construction

[0028] In the following description of aspects of the disclosure, reference is made to the accompanying drawings which form a part hereof, and in which are shown by way of illustrations various embodiments in which aspects of the disclosure may be practiced. It is to be understood that other embodiments may be utilized and structural and functional modifications may be made without departing from the scope of the present disclosure.

[0029] Features of one or more aspects disclosed herein may relate to power converter circuitry (eg, multilevel inverters). The power converter circuit is capable of providing a desired alternating current (AC) voltage level at its output from a direct current (DC) voltage applied to its input. The power converter circuit can be implemented with a multilevel inverter circuit topology. The desired AC voltage output is output from the conversion of multiple DC voltage levels through intermediate converters included in the multilevel inverter circu...

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Abstract

A multi-level inverter topology is disclosed. A power converter circuit converts a DC source at its input to provide an alternating current (AC) at its output. The power converter circuit may have a controller operably attached to multiple series connections of switches. The controller may control one or more of the multiple series connections of switches to convert a DC input to provide multi-level AC voltages with DC offset across two terminals of the power converter circuit. The multi-level AC voltages with DC offset may then be converted by use of a plurality of series connections of switches to provide a single-phase AC voltage at a first output terminal with respect to at least one of a neutral potential, an earth potential, or a terminal of the power converter circuit.

Description

[0001] Related Application Cross Reference [0002] This application is a non-provisional application of, and claims priority to, U.S. Provisional Patent Application No. 62 / 961,377, filed January 15, 2020, and U.S. Nonprovisional Patent Application No. 17 / 148,322, filed January 13, 2021 , each of which is incorporated herein by reference in its entirety. Background technique [0003] A multilevel inverter is a power electronic device capable of providing a desired alternating current (AC) voltage level at its output. The desired AC voltage output is output by converting one or more input direct current (DC) voltage levels at the input of the multilevel inverter. A multilevel inverter with three or more output voltage levels can provide a combined voltage at its output ( Vout ). Compared to an inverter in which two voltage levels are combined at its output, the combined voltage of a multilevel inverter ( Vout ) has a small differential change with respect to time. Therefor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/483H02M7/487H02M7/5387H02M1/088
CPCH02M7/483H02M7/487H02M7/5387H02M1/088H02M7/49Y02E10/56H02M1/14H02M7/23
Inventor D.兹穆德O.弗里德O.斯拉夫斯坦
Owner SOLAREDGE TECH LTD
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