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Power distribution circuit of UPS (uninterruptible power supply)

A technology of power distribution circuit and power supply, applied in battery circuit devices, circuit devices, current collectors, etc.

Active Publication Date: 2013-12-18
VERTIV CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a UPS power distribution circuit for the defect that the above-mentioned UPS power distribution circuit in the prior art cannot meet the needs of different customers, including:

Method used

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  • Power distribution circuit of UPS (uninterruptible power supply)
  • Power distribution circuit of UPS (uninterruptible power supply)
  • Power distribution circuit of UPS (uninterruptible power supply)

Examples

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Embodiment Construction

[0030] Such as figure 1 As shown, in the logic diagram of Embodiment 1 of the UPS power distribution circuit of the present invention, the UPS power distribution circuit includes: a main circuit input part 100, a bypass input part 200 and an output part 300, wherein the main circuit input part 100 is connected to Between the three-phase four-wire power supply or the single-phase two-wire power supply and the UPS, it is used to provide the input of the three-phase four-wire power supply or the single-phase two-wire power supply to the UPS when the UPS is working normally; the bypass input part 200 is connected to Between the single-phase two-wire power supply and the UPS, it is used to provide the input of the single-phase two-wire power supply to the UPS when the UPS fails or is maintained; the output part 300 is used to output electric energy to the load or terminal of the UPS. The implementation of the technical solution of this embodiment makes the UPS suitable for both the...

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Abstract

The invention relates to a power distribution circuit of UPS. The power distribution circuit of UPS includes: a main circuit input part connected between a three-phase four-wire power supply or a single-phase two-wire power supply The UPS provides the input of three-phase four-wire power supply or single-phase two-wire power supply; the bypass input part is connected between the single-phase two-wire power supply and the UPS, and is used to provide single-phase two-wire power supply to the UPS when the UPS fails or is repaired The input; the output part is used to output power to the load or terminal of the UPS. Implementing the UPS power distribution circuit of the present invention makes the UPS not only suitable for the power supply mode of the three-phase four-wire system, but also suitable for the power supply mode of the single-phase two-wire system, which meets the different needs of different customers, and at the same time ensures Will not cause power down of UPS load or terminal.

Description

technical field [0001] The present invention relates to power electronics technology, more specifically, to a UPS power distribution circuit. Background technique [0002] With the development of industrialization and the improvement of power supply performance requirements of various terminal equipment, all walks of life must use UPS (Uninterruptible Power Supply, uninterruptible power supply). In the industrial area, most of the power supply is powered by the three-phase four-wire system, so the power distribution circuit of the UPS used in the industrial area must adapt to the three-phase four-wire power supply, and the UPS power distribution circuit must also require Ensure that the load or terminals of the UPS are not powered off while the UPS is being overhauled. In IT equipment rooms or residential areas, most of the power supply adopts single-phase two-wire power supply, so the power distribution circuit of UPS used in IT equipment rooms or civilian areas must adapt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00H02J9/04
Inventor 王凯刘中伟沈宝山
Owner VERTIV CORP
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