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Outdoor type lightning protection communication electric power system

A technology for communication power supply and lightning protection system, applied in electrical components, circuit devices, emergency protection circuit devices, etc., can solve problems such as large installation space, limited equipment space, and reduced reliability, saving usable space and reducing system costs. , the effect of enhancing reliability

Inactive Publication Date: 2007-02-28
ALCATEL LUCENT SHANGHAI BELL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its defects: first, the multi-level lightning protection design, the system cost is high; second, multiple lightning arresters need to occupy a large installation space; third, in the multi-level lightning protection design, the cooperation of the front-level lightning arrester and the rear-level lightning arrester needs to pass through a sufficiently long wire The distance between the adjacent two-stage arresters and the arrester coordination between the entire system needs to be carefully considered, and the design is difficult; the fourth is to only focus on the lightning protection design, without considering the system grounding and electromagnetic interference, the system integration is low, and the reliability is reduced.
[0004] In view of the harsh working environment of outdoor communication equipment, vulnerability to lightning strikes, and limited equipment space, the above-mentioned indoor lightning protection communication power supply system cannot meet its requirements at all.

Method used

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  • Outdoor type lightning protection communication electric power system
  • Outdoor type lightning protection communication electric power system
  • Outdoor type lightning protection communication electric power system

Examples

Experimental program
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Effect test

no. 1 example

[0022] As shown in Figure 2, the outdoor lightning protection communication power supply system of the present invention includes an AC power distribution panel 6, an AC / DC rectifier 2, a storage battery 4, and a DC power distribution panel 7, and the AC / DC rectifier is connected with the AC protection grounding and DC grounding to realize two-wire system and reduce system cost. Its features are: including lightning protection system and main grounding copper bar 12. Among them, the lightning protection system is composed of three, namely the first, second and third lightning protection modules (A1, A2 and A3) into a lightning protection mode with large flow rate and low residual voltage, where: A1 and A3 are voltage A switch-type lightning protection module, A2 is a voltage-limited lightning protection module.

[0023] The three lightning protection modules are respectively connected to the single-phase power supply line, among which: the first and second lightning protectio...

no. 2 example

[0027] As shown in FIG. 2 , the outdoor lightning protection communication power supply system of the present invention includes an AC distribution panel 6 , an AC / DC rectifier 2 , a storage battery 4 and a DC distribution panel 7 . Its characteristics are: AC input air switches F1, F2, lightning protection system, AC input EMI (electromagnetic interference) filter 11 and system main grounding copper bar 12 are integrated in an electromagnetic shielding electrical box 1, which is used as the internal power supply system The interface between the AC / DC rectifier 2 and the AC incoming line is used to realize the functions of system lightning protection, AC EMI filtering and system grounding.

[0028] The EMI filter 11 is used at the input end of the AC power distribution panel 6 to absorb the conduction interference of the AC load and reduce the pollution of the entire system to the grid.

[0029] On the one hand, the electrical box 1 provides isolation between the AC incoming l...

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Abstract

The invention relates to an outdoor anti-thunder communication power system, which comprises alternative-current distributing screen, AC / DC rectifier and accumulator. Wherein, the input of screen has one anti-thunder system, ground array and one filter for absorbing the alternative-current load transmission interference, to be contained by one electric box. The invention combines the anti-thunder, ground, filter and power functions together, with small volume, to improve the system reliability. The invention reduces the number of lightning arrester, to reduce cost and save space. It can realize IEC61643-1 class I+II lightning arrest in small volume, while its nominal current can reach 50KA (10 / 350us), and protective voltage Up is under 1.5KV. The invention can directly replace present power module.

Description

technical field [0001] The invention relates to an outdoor power supply system, in particular to an outdoor lightning protection communication power supply system. technical background [0002] As shown in Figure 1, a traditional indoor lightning protection communication power supply system includes a substation 21, a low-voltage power distribution panel 22, an oil generator generator 23, an AC power distribution panel 24, an air conditioner 25 for a communication room, an AC / DC rectifier 26, and a DC For power distribution panel 27, uninterruptible power supply equipment, etc., the lightning protection idea is: add A, B, C, D, E multi-level arresters to each equipment that may introduce lightning hazards to absorb lightning current and gradually reduce the system residual pressure and protect the back-end communication equipment. Its defects: first, the multi-level lightning protection design, the system cost is high; second, multiple lightning arresters need to occupy a l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H9/02H02H9/04
CPCH02H9/06H02H9/042H02H9/005
Inventor 付登萌邹洋潘军魁姚宁刚
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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