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Circuit arrangement for an electric power converter, electric power converter for a vehicle and vehicle

A technology for power converters and vehicles, which is applied in the field of vehicles, can solve problems such as replacing fuses, and achieve the effect of preventing damage and avoiding voltage drop

Pending Publication Date: 2019-05-17
VALEO EAUTOMOTIVE GERMANY GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the fuse needs to be replaced after the DC voltage source has been connected with the wrong polarity

Method used

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  • Circuit arrangement for an electric power converter, electric power converter for a vehicle and vehicle
  • Circuit arrangement for an electric power converter, electric power converter for a vehicle and vehicle
  • Circuit arrangement for an electric power converter, electric power converter for a vehicle and vehicle

Examples

Experimental program
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Embodiment Construction

[0033] figure 1 is a simplified diagram of a first embodiment of a circuit arrangement 1 , a DC voltage source 2 and a load 3 powered by the DC voltage source 2 . exist figure 1 In , the solid line coming from the DC voltage source 2 represents the connection to the circuit arrangement 1 with the correct polarity, and the corresponding dashed line represents the connection to the circuit arrangement 1 with the wrong polarity.

[0034] The circuit arrangement 1 comprises a first connector 4 which is connected to the positive pole 5 of the DC voltage source 2 in case of correct polarity and to the negative pole 6 of the DC voltage source 2 in case of wrong polarity.

[0035] Correspondingly, the second connector 7 of the circuit arrangement 1 is connected to the negative pole 6 in the case of the correct polarity and to the positive pole 5 in the case of the wrong polarity. Furthermore, a third connector 8 is provided for connecting the load 3 to the circuit arrangement 1 .

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PUM

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Abstract

Circuit arrangement (1) for an electric power converter (33), comprising: a first connector (4) connectable or connected to a pole (5, 6) of a DC voltage source (2), a second connector (7) connectableor connected to an inverse pole (5, 6) of the DC voltage source (2) and a switching element (9) having a drain terminal (10) connected to the first connector (4), a source terminal (11) connected orconnectable to a load (3) and a gate terminal (12) and being realized by at least one insulated gate field effect transistor (13) having a body diode (14), characterized by a diode (15) connected fromthe second terminal (7) to the gate terminal (12) in a direction corresponding to a direction of the body diode (14) from the source terminal (11) to the drain terminal (10).

Description

technical field [0001] The invention relates to a circuit arrangement for a power converter comprising: a first connector connectable or connected to a pole of a DC voltage source; a second connector connected a switch connectable or connectable to opposite poles of a DC voltage source; and a switching element having a drain terminal connected to the first connector, a source terminal connected or connectable to a load, and a gate terminal, And the switching element is realized by at least one insulated gate field effect transistor with a body diode. [0002] Furthermore, the present invention also relates to a power converter for a vehicle and a vehicle. Background technique [0003] A circuit arrangement comprising a switching element implemented by an insulated gate field effect transistor (IGFET) is commonly used to connect a load connected to the source terminal to a DC voltage source and to switch the load from Disconnect from the DC voltage source. Thus, the DC vol...

Claims

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Application Information

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IPC IPC(8): H02M1/34
CPCH02M1/32H02M3/155H02H11/003H03K17/0822H03K17/122
Inventor 马蒂亚斯·鲍曼
Owner VALEO EAUTOMOTIVE GERMANY GMBH