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Power supply with power electronics module and its replacement method

A power electronic module and power supply technology, applied in the direction of output power conversion devices, electrical components, electrical components, etc., can solve problems such as damage and power supply destructiveness

Active Publication Date: 2017-12-08
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Turning off a power supply can be very disruptive and / or disastrous in many industrial applications

Method used

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  • Power supply with power electronics module and its replacement method
  • Power supply with power electronics module and its replacement method
  • Power supply with power electronics module and its replacement method

Examples

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Embodiment Construction

[0017] Reference will now be made in detail to the example embodiments of the present disclosure which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.

[0018] The foregoing problems of providing a power supply that can continue to operate while one or more power electronics modules in the power supply are being safely replaced may be overcome by one or more embodiments of the present invention. In one aspect, each power electronics module can be enclosed in its own compartment. The compartment may have an electrically grounded and / or insulated inner surface and a plurality of fixed electrical connections. The fixed electrical connection may comprise a plurality of electrical connections including eg the output of a transformer from the power supply and / or the input to other power electronic modules and / or external loads driven by the power supply. A power ele...

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Abstract

A power supply with one or more power electronic modules that can be replaced without turning off the power supply. Each power electronics module may be enclosed in a separate compartment of the power supply. Each compartment may have a fixed electrical connection configured to be electrically connected to the power electronics module. A transfer mechanism connected to a handle outside the compartment may move the power electronics module out of and / or into electrical contact with the stationary electrical contacts. The movement of the power electronics modules inside the compartment can take place without switching off the power supply. As another aspect, a method for replacing a power electronic module without turning off the power supply is also provided.

Description

technical field [0001] The present invention relates generally to power supplies, and more particularly to power supplies having one or more power electronics modules. Background technique [0002] A power supply may be constructed with one or more power electronics modules providing the output voltage of the power supply. Each power electronics module may have several power connections configured to be electrically connected to an external load such as a transformer, another power electronics module, and / or a power supply. The load may be, for example, an AC motor. Some power supplies can continue to operate at a reduced voltage if one or more power electronics modules fail. However, replacing a failed power electronics module usually requires shutting down the power supply to avoid possible risk of injury or death from accidental contact with the working electrical connections. Turning off a power supply can be very disruptive and / or disastrous in many industrial applic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M7/00H05K7/14
CPCH02M7/003Y10T29/49117H05K7/14339H05K7/14325H02M7/00H05K7/14H05K13/0486H05K7/1432
Inventor P.W.哈蒙德
Owner SIEMENS AG