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Charging systems for charging electrical energy storage devices in electric vehicles and associated methods

A technology of electric energy storage and charging system, applied in electric vehicle charging technology, different battery charging, road vehicle drive control system, etc., can solve problems such as inability to measure electric energy or power, and achieve good load rate effect

Active Publication Date: 2020-12-22
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the case of microflow charging, due to the required accuracy and the limited achievable dynamic range of the measuring transducer and the measuring coulometer (Messzähler), it is not possible to measure electrical energy or power in compliance with calibration regulations with such measuring devices

Method used

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  • Charging systems for charging electrical energy storage devices in electric vehicles and associated methods
  • Charging systems for charging electrical energy storage devices in electric vehicles and associated methods
  • Charging systems for charging electrical energy storage devices in electric vehicles and associated methods

Examples

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Embodiment Construction

[0029] In the figures, identical or functionally identical elements are provided with the same reference symbols.

[0030] figure 1 A charging system 1 according to the prior art is shown in a schematic illustration. The charging system 1 includes an input 2 which is connected to an electrical energy source 3 . An electrical energy source 3 , which can be provided, for example, by an energy supply network, is used to provide an alternating current and / or an alternating voltage. Furthermore, charging system 1 includes at least one converter element 4 . In the present embodiment, the charging system 1 comprises four converter elements 4 electrically connected in parallel. The converter element 4 is a rectifier. The alternating current present at the input 2 can be converted into a direct current by means of a rectifier or converter element 4 .

[0031] Furthermore, the charging system 1 includes a charging outlet 5 , to which an electric vehicle can be connected for chargin...

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PUM

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Abstract

The invention relates to a charging system (1) for charging an electrical energy storage device in an electric vehicle comprising: an input (2) for an alternating current, which is provided with a source of electrical energy (3), at least one transformer element (4) for transforming the alternating current into a direct current and a charge output (5) for connecting the charging system (1) to theelectric vehicle, wherein the charging system (1) is designed to connect the at least one transformer element (4) to the charge output (5) for charging the electrical energy storage device with directcurrent and wherein the charging system (1) is designed to connect the input (2) to the charge output (5) for charging the electrical energy storage device with alternating current.

Description

technical field [0001] The invention relates to a charging system for charging an electrical energy store of an electric vehicle. Furthermore, the invention relates to a method for charging an electrical energy store of an electric vehicle. Background technique [0002] Currently, there is interest in charging systems for charging electrical energy stores of electric vehicles. Such electric vehicles may be purely electric vehicles or hybrid vehicles. Various charging systems and charging methods are known from the prior art. For example, so-called direct current charging, also known as DC fast charging, can be carried out. In this case, the alternating current provided by the energy supply network is converted or rectified by means of at least one converter element. Furthermore, so-called alternating current charging or AC charging is known. [0003] In order to bill for the electrical energy supplied during DC charging, it is required by law to measure the supplied DC ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L53/14B60L53/10
CPCB60L53/11B60L53/14B60L53/62B60L53/66B60L53/16H02J2207/20H02J7/00045B60K6/28B60L2210/30B60Y2200/91B60Y2200/92B60Y2300/91H02J7/0047H02J7/04
Inventor S·博德
Owner SIEMENS AG
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