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Variable-phase power converter

專利號
US11888389B1
公開日期
2024-01-30
申請人
VISTEON GLOBAL TECHNOLOGIES, INC.(US MI Van Buren Township)
發(fā)明人
Fiona E. Meyer-Teruel; Julien Payan; Kai Zhuang; Tao Wang
IPC分類
H02M1/42; H02M3/335; B60L53/24
技術(shù)領(lǐng)域
power,dc,phase,electrical,inductors,in,charging,converter,correction,conductors
地域: MI MI Van Buren Township

摘要

A power converter incudes a power factor correction circuit and a controller. The power factor correction circuit is configured to convert an input single-phase electrical power to a first DC electrical power. An active phase of the input single-phase electrical power is received in parallel through two of four conductors. A return phase of the input single-phase electrical power is received in parallel through two others of the four conductors. The power factor correction circuit is also configured to convert an input three-phase electrical power to the first DC electrical power. Three active phases of the input three-phase electrical power are received through three of the four conductors. The return phase is received through a fourth of the four conductors. The controller is configured to control the power factor correction circuit to operate in the single-phase input mode and the three-phase input mode in response to a control signal.

說明書

In the step 260, the DC-to-DC converter 150 draws the second DC electrical power 154 from the battery pack 98. The DC-to-DC converter 150 subsequently converts (e.g., down converts) the second DC electrical power 154 to the first DC electrical power 126 in the step 262. In the step 270, the controller 140 controls the power factor correction circuit 110 to operate in the three-phase output mode in response to a fourth command received via the control signal 80. The power factor correction circuit 110 converts the first DC electrical power 126 to the output three-phase electrical power 78 in the step 272 while operating in a three-phase output mode. In the step 274, the output three-phase electrical power 78 is presented at the electrical interface 112 and the charging socket 92.

Embodiments of the power converter 100 generally enables a reduced sizing of the components to support lower power criteria through each component, which may result in lower component cost and higher system efficiency through reduced heat generation and other losses. Furthermore, redundancy within the power factor correction circuit 110 enables improved functional safety, performance, fault tolerance, and the like.

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