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Device for quickly measuring light attenuation of converter valve optical distributor, and calibration and measurement method

An optical distributor and optical attenuation technology, applied in electromagnetic wave transmission systems, electrical components, transmission systems, etc., can solve the problem of inability to meet the rapid development of UHV DC transmission technology, inability to visually display the degree of spectral balance, inability to compare optical attenuation values, etc. problems, so as to improve the efficiency of maintenance and testing, shorten the time of maintenance and power outages, and improve the efficiency and accuracy of detection.

Pending Publication Date: 2022-02-08
XUJI GRP +1
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Problems solved by technology

At the same time, the existing test method is to use an optical power meter and a light source, and the splitting holes of the optical splitter need to be plugged and measured one by one. It is impossible to compare the light attenuation value between the light source output value and the total optical power measured by N beam split holes
At present, the optical attenuation measurement method and technology of the existing converter valve optical distributor cannot meet the rapid development of UHV DC transmission technology

Method used

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  • Device for quickly measuring light attenuation of converter valve optical distributor, and calibration and measurement method
  • Device for quickly measuring light attenuation of converter valve optical distributor, and calibration and measurement method
  • Device for quickly measuring light attenuation of converter valve optical distributor, and calibration and measurement method

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[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

[0029] The present invention provides a method and device for quickly measuring light attenuation of a converter valve light distributor, as shown in Fig. 1 to Figure 4 shown.

[0030] The light attenuation fast measuring device of the converter valve optical splitter includes a light source output end panel 1 and an optical power receiving end panel 2 .

[0031] The light source output terminal panel 1 includes an adj...

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Abstract

The invention provides a method and a device for quickly measuring light attenuation of a converter valve optical distributor, and a calibration and measurement method, which are used for solving the problems of low detection efficiency, low accuracy and poor light splitting consistency in the existing converter valve optical distributor detection technology. According to an existing testing method, an optical power meter and an optical source are used, light splitting holes of an optical distributor are subjected to one-by-one insertion measurement, the working efficiency is low, measurement deviation is prone to being generated, the light splitting balance degree cannot be visually displayed, and the total light attenuation amount of all the light splitting holes relative to the optical power of the optical source cannot be detected. According to the measurement method and device, the detection efficiency of the optical distributor can be effectively improved, transverse comparison of attenuation values of the light splitting holes is facilitated, the output value of the light source and the total attenuation measured by the N light splitting holes are analyzed conveniently, and therefore comprehensive test analysis of the insertion loss and the return loss of the optical distributor is achieved.

Description

technical field [0001] The invention relates to the technical field of ultra-high voltage direct current transmission, in particular to a method and device for quickly measuring light attenuation of a converter valve light distributor, and a calibration and measuring method. Background technique [0002] With the rapid development of UHV DC transmission technology in China, 86 converter stations of DC transmission projects have been built and put into operation in China, effectively utilizing the unique advantages of large-capacity, long-distance power transmission and back-to-back asynchronous networking, realizing the realization of domestic east and west Optimize and balance the allocation of power resources, promote the balance of economic development in the east and west, and improve the efficiency of comprehensive air pollution control. [0003] With the vigorous development of UHV DC transmission technology in the country, the DC transmission converter valve equipment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/079
CPCH04B10/079H04B10/0795
Inventor 范彩云邱文龙刘堃毕延河李凯王晓民王超李旭升
Owner XUJI GRP
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