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Conversion device, associated control method and associated vehicle

A technology for conversion devices and electric vehicles, applied in the direction of output power conversion devices, control systems, circuit devices, etc., can solve the problems of expensive, unsatisfactory conversion devices, complicated device manufacturing, etc., and achieve low manufacturing costs, The effect of reducing volume and small volume

Inactive Publication Date: 2019-05-21
INST FR DU PETROLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, this conversion device is not entirely satisfactory
[0011] In fact, such a device includes two different branches for the three phases, which makes the device complex and expensive to manufacture

Method used

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  • Conversion device, associated control method and associated vehicle

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Embodiment Construction

[0067] The electrified line 2 according to the invention is in figure 1 shown in . The electrified line 2 is particularly suitable for use on electric or hybrid vehicles such as electric or hybrid cars.

[0068] The electrified line 2 includes conversion means 4 configured to transfer electrical energy between a DC power source and an N-phase AC power source, N being an integer greater than or equal to one.

[0069] The DC power supply consists of batteries 6 .

[0070] The AC power source consists of an electric motor 8 or an AC power distribution system 10 .

[0071] The conversion device 4 includes a DC-DC converter 12 , an AC-DC converter 14 and a controller 15 .

[0072] The DC-DC converter 12 is configured to convert the first DC voltage to a second different DC voltage.

[0073] AC-DC converter 14 is configured to convert DC voltage to AC voltage, and to convert AC voltage to DC voltage.

[0074] The DC-DC converter 12 includes a low voltage branch 16 , a high volt...

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PUM

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Abstract

The invention relates to a conversion device (4) allowing electrical energy to be transferred between a DC network (6) and an AC network (10), the conversion device (4) including: a DC-to-DC converter(12) comprising a first switch (20), a second switch (22), and a low-voltage branch (16) and a high-voltage branch (18), each comprising two sub-branches (34) in series, each sub-branch (34) comprising a switching module (38); an AC-to-DC converter (14); a controller (15) that is configured to control the closed or open state of the first switch (20), of the second switch (22) and of each switching module (38), the controller (15) being, additionally, configured to control the AC-to-DC converter (14) for transferring electrical energy from the DC-to-DC converter (12) to the AC network (10), or from the AC network (10) to the DC-to-DC converter (12).

Description

technical field [0001] The invention relates to a conversion device for an electric vehicle, which enables the transfer of electrical energy between a DC power source and an N-phase AC power source, N being an integer greater than or equal to one. The invention also relates to a method for controlling such a switching device and a vehicle comprising such a device. [0002] The invention applies to the field of electrical converters, in particular electrical converters for electric or hybrid vehicles. Background technique [0003] Electric vehicles, especially hybrid vehicles, include an electrical energy source that is used to provide the energy required to actuate the electric traction motors to ensure vehicle propulsion. The energy source is usually an onboard battery used to power the traction motor through an inverter. [0004] However, since batteries can only store a limited amount of energy, they need to be recharged periodically from another, more powerful energy s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L55/00B60L53/24
CPCB60L2210/10B60L2210/30B60L2210/40H02P27/06H02M3/33584H02M7/797Y02T10/92Y02T10/7072Y02T90/14Y04S10/126B60L53/24B60L55/00H02J7/02H02J2207/20Y02E60/00Y02T10/64Y02T10/72Y02T10/70H02M3/33571B60L2240/527B60W20/00
Inventor E·H·米莉安妮莱德·克夫斯伊斯梅尔·蔡恩
Owner INST FR DU PETROLE