Power supply device and power supply system

A technology of power supply device and power conversion device, which is applied in the direction of circuit device, selective AC load connection device, electrical components, etc., can solve problems such as high faults and accidents, difficulty, unstable load operation, etc., and reach the limit of improvement and increase The effect of stability

Pending Publication Date: 2021-04-23
LS ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of installing a UPS device, the configuration of the system becomes more complicated, and it becomes difficult to install the UPS device itself due to structural / design constraints
Also, as the configuration becomes more complicated, the control of each device and system will only become more complicated, and the risk of failure, accident, etc. will also increase
In the end, it is difficult to provide stable and reliable power supply, resulting in unstable operation of loads, and it is impossible to form a suitable operation response to various accidents.

Method used

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  • Power supply device and power supply system
  • Power supply device and power supply system
  • Power supply device and power supply system

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Embodiment Construction

[0073]It should be noted that the technical terms used in this specification are merely illustrative of specific embodiments, are not intended to limit the technical idea disclosed in this specification. In addition, the technical terms used in this specification are generally understood by those of ordinary skill in the art without other definitions, and should not be interpreted as excessive summary or excessive reduction. In addition, when the technical term used in this specification is a technical term that cannot accurately express the technical idea disclosed in this specification, technical terms that can be understood by those skilled in the art can be replaced and understood. In addition, the general terms used in this specification should be explained in accordance with the dictionary or according to the previous articles, and should not be explained using excessive reduction.

[0074]In addition, unless otherwise indicated in the context, the aliasing method should include ...

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Abstract

The present specification relates to a power supply device and a power supply system which enable uninterruptible power supply, wherein a circuit breaker is provided in a power bus to which a plurality of power supply devices are connected, so as to switch on / off the connected power supply devices, and thus the UPS function can be performed among the plurality of power supply devices by opening or closing the circuit breaker according to various situations occurring in the system to control power reception and supply.

Description

Technical field[0001]The present invention relates to a power supply device and a power supply system that can be uninterrupted.Background technique[0002]BACKGROUND OF THE INVENTION Reference relates to a system comprising a plurality of power supply devices.[0003]A system that supplies a plurality of power devices to each load can be commonly connected by a DC bus. As such, in the case where the bus is connected is connected, there is an advantage that the power supply can be received / supply power supply by the DC bus and the adjacent power supply. However, when this constitutes a system, there is a stability problem such as a system, it is difficult to control the reception / supply of the power supply, and lack the boundaries of the corresponding scheme when an accident.[0004]In the case where the compatibility between the devices is set to be complex, the compatibility between the devices is decreased, the system operation cannot be stably operated. In addition, in the case wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J9/06
CPCH02J9/062H02J3/38H02J1/12H02J3/007H02J9/063H02J3/32
Inventor 李知宪金永根金羲重林一亨
Owner LS ELECTRIC CO LTD
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