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Four-power-supply four-bus power supply system with point-to-point wiring

A power supply system, point-to-point technology, applied in electrical components, circuit devices, AC network circuits, etc., can solve the problems of unsuitable reliability power distribution systems, poor reliability and flexibility, and large equipment volume, and improve power supply. Reliability, guaranteed selectivity, small size effect

Pending Publication Date: 2019-12-13
CHANGJIANG SURVEY PLANNING DESIGN & RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The advantages of single busbar or single busbar segmented wiring are simple structure and good economy, but the disadvantages are poor reliability and flexibility, which are not suitable for power distribution systems with high reliability requirements; the advantages of double busbar wiring are reliability and flexibility The disadvantage is that the structure is complex, the equipment is large, and the economy is poor. It is suitable for power distribution systems with high reliability requirements.

Method used

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  • Four-power-supply four-bus power supply system with point-to-point wiring
  • Four-power-supply four-bus power supply system with point-to-point wiring
  • Four-power-supply four-bus power supply system with point-to-point wiring

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Embodiment Construction

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments to facilitate a clear understanding of the present invention, but they do not limit the present invention.

[0026] Such as figure 1 As shown, the present invention provides a power supply system with four power supplies and four busbars point-to-point wiring, including four independent incoming power supplies, each of which is electrically connected to an independent corresponding busbar, and each two sections of busbars are connected through Independent tie line electrical connection; each incoming power supply realizes the switching of the power supply state of its corresponding bus bar through a corresponding circuit breaker; each tie line is equipped with two tie switches to realize the conduction of each tie line On or off state switching. Each section of busbar is connected to the other three sections of busbars through correspon...

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PUM

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Abstract

According to the technical scheme adopted by the invention, the four-power-supply four-bus power supply system with point-to-point wiring is characterized by comprising four independent incoming linepower supplies, wherein the four incoming line power supplies are electrically connected with independent corresponding buses, and every two buses are electrically connected through an independent tieline; each incoming line power supply realizes the switching of the power supply state of the corresponding bus through a corresponding circuit breaker; and each tie line is provided with two tie switches for realizing the switching of the on-off state of each tie line. The invention aims to provide a four-power-supply four-bus with point-to-point wiring in allusion to the defects of the prior art, which is suitable for supplying power to a particularly important primary load with extremely high reliability requirements.

Description

technical field [0001] The invention relates to the technical field, in particular to a power supply system with four power sources and four busbars point-to-point connection. Background technique [0002] Article 3.0.3 of the "Code for Design of Power Supply and Distribution System" GB50052-2009 stipulates: "In addition to being powered by two power sources, an emergency power supply should be added for the particularly important load in the first-level load, and it is strictly forbidden to connect other loads to the emergency power supply. Power supply system", that is to say, a particularly important primary load requires more than three power supplies to supply power. [0003] For particularly important first-level loads, the general practice is to directly lead three or more external power sources, or directly lead two or more external power sources, and then set up a self-contained power source (such as: diesel engine). [0004] In the traditional power supply and dis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00
Inventor 肖永刚周强覃利明段波王乙斐
Owner CHANGJIANG SURVEY PLANNING DESIGN & RES
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