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Conductor sag on-line monitoring system

A wire sag and monitoring system technology, applied in the field of monitoring technology, can solve problems such as limiting the transmission capacity of transmission lines, and achieve the effect of improving the operation capacity of the power grid and ensuring safety

Active Publication Date: 2010-12-15
BEIJING SHUIMU YUANHUA ELECTRIC CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] It can be seen that excessive sag of conductors will not only cause potential accidents, but also limit the transmission capacity of transmission lines

Method used

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  • Conductor sag on-line monitoring system
  • Conductor sag on-line monitoring system
  • Conductor sag on-line monitoring system

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Embodiment Construction

[0019] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] Such as figure 1 As shown, the wire sag online monitoring system of the present invention includes a signal acquisition device 1, a monitoring host 2, a power supply device 3, an information transmission device 4 and a monitoring center 5; wherein,

[0021] The collection device 1 is used to send the collected conductor current, conductor temperature, atmospheric temperature around the conductor, and the angle between the conductor and the horizontal plane to the monitoring host 2 .

[0022] The monitoring host 2 is used to preprocess the wire current sent by the collection device 1. The included angle is to obtain the distance between the lowest point of wire sag and the ground; according to the temperature of the wire sent by th...

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Abstract

The invention provides a conductor slag on-line monitoring system comprising a signal collecting device, a monitoring host computer, a power supply device, an information transmitting device and a monitoring center, wherein the signal collecting device is used for collecting the temperature as well as the inclination angle and the current of a conductor; the monitoring host computer is used for pretreating the collected information to acquire the distance between the lowest point of a conductor slag and the ground and packing the distance between the lowest point of the conductor slag and the ground and the collected information; the power supply device is used for supplying power, transforming voltage and starting or stopping the monitoring host computer; the information transmitting device is used for transforming the packed information to the monitoring center; and the monitoring center is used for presetting warning values, establishing an early warning mechanism, configuring the packed information to different local area networks, and forecasting the variation trend of the conductor slag and the transmission capacity of a transmission line in real time. The conductor slag on-line monitoring system has the characteristics of strong real-time performance, high safety, reliable forecasting and the like and can be widely applied to electric systems.

Description

technical field [0001] The invention relates to a monitoring technology, in particular to an online monitoring system for wire sag. Background technique [0002] As we all know, in practical applications, the current passing through the wire will increase the temperature of the wire. However, the rise in the temperature of the wire will cause the wire to oxidize at the joint or even the joint to be burned; the increase in the temperature of the wire will also cause the wire sag to increase , so that the wires are discharged due to insufficient crossing distance. In recent years, due to the increase in power load, many existing transmission lines have increased the maximum allowable temperature of the conductor from 70°C to 80°C in order to improve the transmission capacity. At this time, the line sag has become the main restrictive factor. In addition to the changes in line operating load that will cause changes in conductor sag, the meteorological conditions of the surroun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/08G08C17/02
Inventor 吕强陈菊明
Owner BEIJING SHUIMU YUANHUA ELECTRIC CO LTD
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