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, DC network circuit device, emergency treatment AC circuit layout, etc., can solve problems such as increased faults and accidents, difficulty, and complex system composition, and achieve the improvement limit 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

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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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Experimental program
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Embodiment Construction

[0072] It should be noted that the technical terms used in this specification are only used to describe specific embodiments, and are not used to limit the technical ideas disclosed in this specification. In addition, unless otherwise defined in this specification, the technical terms used in this specification should be interpreted as the meanings commonly understood by those skilled in the art, and should not be interpreted as excessive generalization or excessive narrowing. In addition, when the technical terms used in this specification are erroneous technical terms that cannot accurately express the technical ideas disclosed in this specification, they should be replaced and understood by technical terms that can be correctly understood by those skilled in the art. In addition, general terms used in this specification should be interpreted according to dictionary definitions or contextual contexts, and should not be interpreted in an excessively narrow sense.

[0073] In ...

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PUM

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Abstract

The present specification relates to a power supply device and a power supply system capable of uninterrupted power supply, which includes a circuit breaker for regulating connection to a power bus to which a plurality of power supply devices are connected, wherein the circuit breaker is opened or closed according to various situations occurring in the system so as to control power supply and demand.

Description

technical field [0001] The invention relates to a power supply device and a power supply system capable of uninterrupted power supply. Background technique [0002] The background of the invention relates to systems comprising a plurality of power supplies. [0003] A system in which a plurality of power supply devices supplies power to each load can be commonly connected via a DC bus. In this way, when connected to the bus bar commonly, there is an advantage of being able to receive / supply power to and from an adjacent power supply device via the DC bus bar. However, when the system is constituted in this way, there are limitations such as problems with the stability of the system, difficulty in controlling the reception / supply of power, and lack of countermeasures in case of accidents. [0004] When the compatibility between the devices is lowered due to the provision of a plurality of power supply devices having complicated configurations, the system cannot be operated ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J9/06
CPCH02J1/102H02J3/001H02J3/0073H02J9/062
Inventor 李知宪金永根金羲重林一亨
Owner LS ELECTRIC CO LTD
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