Automatic measurement method of optical power and optical receiving sensitivity of intelligent substation protection device
A protection device and automatic measurement technology, which is applied in the direction of circuit devices, electrical components, electromagnetic wave transmission systems, etc., can solve problems such as time-consuming and manpower-consuming, damage to optical ports and optical fiber connectors, and reduced debugging efficiency, so as to reduce labor intensity , Reduce the probability of damage and prolong the service life
Active Publication Date: 2021-06-01
STATE GRID FUJIAN ELECTRIC POWER RES INST +1
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Problems solved by technology
If manual measurement is used, it will consume a lot of time and manpower, reducing the efficiency of debugging
At the same time, due to the frequent insertion and removal of optical fibers during manual measurement, it is easy to cause damage to optical ports and optical fiber connectors
Method used
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[0023] The technical solution of the present invention will be specifically described below in conjunction with the accompanying drawings.
[0024] like figure 1 As shown, this embodiment provides an automatic measurement method for optical power and optical receiving sensitivity of a smart substation protection device, which specifically includes the following steps:
[0025] Step S1: Obtain the virtual terminal information in the SCD file and the MMS alarm information of the station control layer;
[0026] Step S2: Automatically measure the transmit optical power of the tested optical port (TX) of the protected device under test;
[0027] Step S3: Automatically measure the light receiving sensitivity of the tested optical port (RX) of the protected device under test;
[0028] Step S4: Automatically measure the received optical power of the optical fiber under test at this side.
[0029] In this embodiment, the step S1 specifically includes the following steps:
[0030] S...
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The invention relates to an automatic measurement method for optical power and optical receiving sensitivity of an intelligent substation protection device. First obtain the virtual terminal information in the SCD file and the station control layer MMS alarm information and configure the measurement device; then the protection device is connected to the measurement device through a pair of optical fibers and an RJ45 network cable. The measuring device can automatically measure the transmitted optical power of the tested optical port of the protected device under test, the optical receiving sensitivity of the tested optical port and the received optical power of the optical fiber under test. The invention greatly improves the efficiency of optical power measurement at the optical port of the intelligent substation protection device, the optical receiving sensitivity and the optical fiber received optical power, reduces the labor intensity, reduces the time for the optical power test of the intelligent substation, and reduces the protection cost of the intelligent substation. The number of times the optical fiber is plugged and pulled out reduces the probability of damage to the optical fiber connector and the optical port, and prolongs the service life of the optical port and the optical fiber.
Description
technical field [0001] The invention relates to the technical field of intelligent substation debugging in electric power systems, in particular to an automatic measurement method for optical power and optical receiving sensitivity of an intelligent substation protection device. Background technique [0002] With the development of smart grid, in smart substations, optical fiber has replaced most of the traditional cable connections. The transmitted optical power of the optical port, the received optical power of the optical fiber and the optical receiving sensitivity of the protection device have become several important indicators to measure the performance of the optical fiber secondary circuit. Since there are a large number of protection devices, optical ports and optical fibers in the smart substation, the measurement of the optical power transmitted by the optical port, the received optical power of the optical fiber, and the optical receiving sensitivity of the prote...
Claims
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IPC IPC(8): H04B10/077H04B10/079H02J13/00
CPCH02J13/0013H04B10/0775H04B10/07955Y02B90/20Y04S40/124
Inventor 郭健生石吉银翟博龙林少真晁武杰胡文旺李超陈锦山
Owner STATE GRID FUJIAN ELECTRIC POWER RES INST