CN108494479B - Automatic measuring device and method for light receiving sensitivity of intelligent terminal of intelligent substation - Google Patents
Automatic measuring device and method for light receiving sensitivity of intelligent terminal of intelligent substation Download PDFInfo
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- CN108494479B CN108494479B CN201810266581.1A CN201810266581A CN108494479B CN 108494479 B CN108494479 B CN 108494479B CN 201810266581 A CN201810266581 A CN 201810266581A CN 108494479 B CN108494479 B CN 108494479B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07955—Monitoring or measuring power
Abstract
The invention relates to an intelligent terminal light receiving sensitivity automatic measuring device of an intelligent substation and a method thereof, comprising an SCD analysis module, a plurality of hard joints and a measuring channel, and the invention is characterized in that: the measuring channel is formed by sequentially connecting a GOOSE message sending module with an optical power attenuation module, an optical power measuring module and an optical port; the SCD analysis module is connected with the GOOSE message sending module; the optical port is connected with the optical port of the intelligent terminal to be tested through an optical fiber; the hard contact is connected with the hard contact of the intelligent terminal to be tested through a wire; the device can automatically measure the light receiving sensitivity of a plurality of tested light ports of the tested intelligent terminal, greatly improves the efficiency of measuring the light receiving sensitivity of the intelligent terminal of the intelligent substation, reduces the labor intensity, reduces the time of testing the light power of the intelligent substation, reduces the frequency of plugging and unplugging the optical fibers of the protection device of the intelligent substation, reduces the probability of damaging the optical fiber connector and the optical port, and prolongs the service lives of the optical port and the optical fiber.
Description
Technical Field
The invention relates to the technical field of intelligent substation debugging of an electric power system, in particular to an automatic measuring device for light receiving sensitivity of an intelligent terminal of an intelligent substation and a working method thereof.
Background
With the development of smart grids, in smart substations, optical fibers replace most of the traditional cable wiring. The light receiving sensitivity of the intelligent terminal becomes an important index for measuring the performance of the optical fiber secondary loop. Because a large number of intelligent terminals, optical ports and optical fibers exist in the intelligent substation, the measurement of the light receiving sensitivity of the intelligent terminals becomes a heavy work in the debugging process of the intelligent substation. If a manual measurement is used, a great deal of time and labor are consumed, and the debugging efficiency is reduced. Meanwhile, the optical fiber is frequently plugged and unplugged in the manual measurement process, so that the optical port and the optical fiber connector are easy to damage.
Disclosure of Invention
Therefore, the invention aims to provide an intelligent terminal light receiving sensitivity automatic measuring device of an intelligent substation and a working method thereof.
The invention is realized by adopting the following technical scheme for realizing the purposes:
the utility model provides an intelligent substation intelligent terminal light receiving sensitivity automatic measuring device, includes an SCD analysis module, a plurality of hard contact opening interface and measurement channel, its characterized in that: the measuring channel is formed by sequentially connecting a GOOSE message sending module with an optical power attenuation module, an optical power measuring module and an optical port; the SCD analysis module is connected with the GOOSE message sending module; the optical port is connected with the optical port of the intelligent terminal to be tested through an optical fiber; and the hard contact opening interface is connected with the hard contact interface of the intelligent terminal to be tested through a wire.
Furthermore, the optical ports are replaceable optical modules and comprise an input interface and an output interface.
Furthermore, the optical power attenuation module is also connected with a timing module, and the timing module is used for timing according to the set delay, and sending a signal to the optical power attenuation module after the timing is finished.
The optical power measuring module is further connected with a display module, and the display module displays the optical power value of each measuring channel.
Further, the working method of the intelligent terminal light receiving sensitivity automatic measuring device of the intelligent substation is characterized by comprising the following steps of: the method specifically comprises the following steps:
step S1: connecting an optical port of a measuring system with a measured optical port of a measured intelligent terminal through an optical fiber, and connecting a tripping outlet hard contact of the measured intelligent terminal with a hard contact opening interface of the measuring system through a wire;
step S2: importing the SCD file into an SCD module and analyzing the SCD file;
step S3: according to the SCD analysis result obtained by the SCD module, obtaining virtual terminal information of the intelligent terminal to be tested, configuring a measuring device, sending a GOOSE tripping message through a test channel, and receiving a tripping signal of the intelligent terminal through a hard contact;
step S4: according to the GOOSE trip message data sent by the optical port, the trip outlet hard contact of the intelligent terminal to be tested is controlled to be closed or opened; when the tripping virtual terminal data in the GOOSE tripping message sent by the optical port is 1, the tripping outlet hard contact of the intelligent terminal to be tested is closed, namely the hard contact of the measuring device is opened to be 1; when the tripping virtual terminal data in the GOOSE tripping message sent by the optical port is 0, the tripping outlet hard contact of the intelligent terminal to be tested is disconnected, namely the hard contact of the measuring device is opened to be 0;
step S5: if the hard contact received by the measuring device is opened and changed along with the change of the tripping virtual terminal data in the GOOSE tripping message sent by the optical port, automatically reducing the light intensity of the optical port output interface module of the measuring device according to the step length and the delay set by the measuring device, and circularly carrying out the steps S4 and S5; when the hard contact of the measuring device is opened and does not change along with the change of tripping virtual terminal data in a GOOSE tripping message sent by the optical port, the light intensity of an output interface module of the optical port of the measuring system is automatically measured and recorded, and the light receiving sensitivity of the measured optical port of the intelligent terminal is obtained.
Further, the step S3 specifically includes:
s31, obtaining virtual terminal information of the intelligent terminal to be tested according to an SCD analysis result obtained by an SCD module and configuring a measuring device;
step S32: the GOOSE message information sent by each measuring channel is sent to a GOOSE message sending module of the corresponding measuring channel;
step S33: the GOOSE message sending module generates a GOOSE message of the measuring channel and sends the GOOSE message to the optical power attenuation module in the form of an optical signal;
step S34: the optical power attenuation module correspondingly attenuates the light intensity of the GOOSE report Wen Guang signal according to the attenuation step length and the delay set by the measuring device, and sends the attenuated GOOSE report Wen Guang signal to the optical power measuring module;
step S35: the optical power measuring module automatically tests the received GOOSE report Wen Guang signal, sends the test result to the display module for display, and simultaneously sends the GOOSE report Wen Guang signal to an optical port of the measuring channel;
step S36: the optical port sends a GOOSE tripping message to the intelligent terminal to be tested through the optical fiber and receives a tripping opening signal of the intelligent terminal through the hard contact opening interface.
Compared with the prior art, the invention has the following beneficial effects:
the invention measures the light receiving sensitivity of a plurality of tested light ports of the tested intelligent terminal, greatly improves the efficiency of measuring the light receiving sensitivity of the intelligent terminal of the intelligent substation, reduces the labor intensity, reduces the time of testing the light power of the intelligent substation, reduces the frequency of plugging and unplugging the optical fibers of the protection device of the intelligent substation, reduces the probability of damaging the optical fiber connectors and the optical ports, and prolongs the service lives of the optical ports and the optical fibers.
Drawings
FIG. 1 is a schematic diagram of the present invention
In the figure: the system comprises a 1-SCD analysis module, a 2-hard contact opening interface, a 3-measurement channel, a 4-GOOSE message sending module, a 5-optical power attenuation module, a 6-optical power measurement module, a 7-optical port, an 8-display module and a 9-timing module.
Detailed Description
The invention will be further described with reference to the accompanying drawings and examples.
Please refer to fig. 1, this embodiment provides an automatic measuring device for light receiving sensitivity of intelligent terminal of intelligent substation and its working method, which comprises an SCD analysis module 1, a plurality of hard contact opening interfaces 2 and a measuring channel 3, and is characterized in that: the measuring channel is formed by sequentially connecting a GOOSE message sending module 4, an optical power attenuation module 5, an optical power measuring module 6 and an optical port 7; the SCD analysis module 1 is connected with the GOOSE message sending module 4; the optical port 7 is connected with an optical port of the intelligent terminal to be tested through an optical fiber; the hard contact opening interface 2 is connected with a hard contact of the intelligent terminal to be tested through a wire;
in an embodiment of the present invention, further, the optical port 7 is a replaceable optical module, including an input interface and an output interface, and the replaceable optical module wavelength includes: 850nm,1310nm,1270nm,1330nm.
In an embodiment of the present invention, further, the optical power attenuation module 5 is further connected to a timing module 9, and the timing module 9 performs timing according to the set delay, and sends a signal to the optical power attenuation module after the timing is finished.
In an embodiment of the present invention, further, the optical power measurement module 6 is further connected to a display module 8, and the display module displays the optical power value of each measurement channel.
In an embodiment of the present invention, a working method of the automatic measuring device for light receiving sensitivity of an intelligent terminal of an intelligent substation is further characterized in that: the method specifically comprises the following steps:
step S1: connecting an optical port of a measuring system with a measured optical port of a measured intelligent terminal through an optical fiber, and connecting a tripping outlet hard contact of the measured intelligent terminal with a hard contact opening interface of the measuring system through a wire;
step S2: importing the SCD file into an SCD module and analyzing the SCD file;
step S3: according to the SCD analysis result obtained by the SCD module, obtaining virtual terminal information of the intelligent terminal to be tested, configuring a measuring device, sending a GOOSE tripping message through a test channel, and receiving a tripping signal of the intelligent terminal through a hard contact;
step S4: according to the GOOSE trip message data sent by the optical port, the trip outlet hard contact of the intelligent terminal to be tested is controlled to be closed or opened; when the tripping virtual terminal data in the GOOSE tripping message sent by the optical port is 1, the tripping outlet hard contact of the intelligent terminal to be tested is closed, namely the hard contact of the measuring device is opened to be 1; when the tripping virtual terminal data in the GOOSE tripping message sent by the optical port is 0, the tripping outlet hard contact of the intelligent terminal to be tested is disconnected, namely the hard contact of the measuring device is opened to be 0;
step S5: if the hard contact received by the measuring device is opened and changed along with the change of the tripping virtual terminal data in the GOOSE tripping message sent by the optical port, automatically reducing the light intensity of the optical port output interface module of the measuring device according to the step length and the delay set by the measuring device, and circularly carrying out the steps S4 and S5; when the hard contact of the measuring device is opened and does not change along with the change of tripping virtual terminal data in a GOOSE tripping message sent by the optical port, the light intensity of an output interface module of the optical port of the measuring system is automatically measured and recorded, and the light receiving sensitivity of the measured optical port of the intelligent terminal is obtained.
In an embodiment of the present invention, further, the step S3 specifically includes:
s31, obtaining virtual terminal information of the intelligent terminal to be tested according to an SCD analysis result obtained by an SCD module and configuring a measuring device;
step S32: the GOOSE message information sent by each measuring channel is sent to a GOOSE message sending module of the corresponding measuring channel;
step S33: the GOOSE message sending module generates a GOOSE message of the measuring channel and sends the GOOSE message to the optical power attenuation module in the form of an optical signal;
step S34: the optical power attenuation module correspondingly attenuates the light intensity of the GOOSE report Wen Guang signal according to the attenuation step length and the delay set by the measuring device, and sends the attenuated GOOSE report Wen Guang signal to the optical power measuring module;
step S35: the optical power measuring module automatically tests the received GOOSE report Wen Guang signal, sends the test result to the display module for display, and simultaneously sends the GOOSE report Wen Guang signal to an optical port of the measuring channel;
step S36: the optical port sends a GOOSE tripping message to the intelligent terminal to be tested through the optical fiber and receives a tripping opening signal of the intelligent terminal through the hard contact opening interface.
In order to enable the person skilled in the art to better understand the technical solutions of the present invention, the following details of the functions of the present invention are described in connection with the schematic diagrams of the embodiments of the present invention;
in an embodiment of the present invention, the SCD analysis module 1 may import and analyze an intelligent substation total station system configuration file (SCD), obtain virtual terminal information of a tested intelligent terminal in the SCD file, configure a measurement device (including information such as a GOOSE sending message and a sending port), and send GOOSE message information sent by each measurement channel to the GOOSE message sending module 4 of the corresponding measurement channel; the GOOSE message sending module 4 may generate a GOOSE message of the measurement channel, and send the GOOSE message to the optical power attenuation module 5 in the form of an optical signal; the optical power attenuation module 5 correspondingly attenuates the light intensity of the GOOSE report Wen Guang signal according to the attenuation step length and the delay set by the measuring device, and sends the attenuated GOOSE report Wen Guang signal to the optical power measuring module 6; the optical power measuring module 6 automatically measures the received GOOSE report Wen Guang signal, and sends the measurement result to the display module 8 for display, and meanwhile, the optical power measuring module sends the GOOSE report Wen Guang signal to the optical port of the measuring channel; and after the optical port 7 of the measuring device is connected with the tested optical port of the tested intelligent terminal through optical fibers and the trip-out hard contact 2 of the tested intelligent terminal is connected with the hard contact of the measuring device through a lead, the measuring device sends a GOOSE trip message to the tested intelligent terminal through the optical port 7 and receives a trip-out signal of the intelligent terminal through the hard contact 3 switch-in interface.
In an embodiment of the present invention, if the light intensity of the light transmitting port 7 of the measuring device is greater than the light receiving sensitivity of the light receiving port of the measured intelligent terminal, when the trip virtual terminal data in the GOOSE trip message sent by the measuring device is 1, the trip outlet hard contact of the measured intelligent terminal is closed, i.e. the hard contact of the measuring device is opened to 1; when the tripping virtual terminal data in the GOOSE tripping message sent by the measuring device is 0, the tripping outlet hard contact of the intelligent terminal to be measured is disconnected, namely the hard contact of the measuring device is opened to be 0.
In an embodiment of the present invention, if the hard contact 3 received by the measurement device is opened and changed along with the change of the trip virtual terminal data in the GOOSE trip message sent by the optical port, according to the step length and the delay set by the measurement device, the light intensity of the sending port (TX) of the optical module of the measurement device is automatically reduced, and then the shift test of the trip virtual terminal data in the GOOSE trip message sent by the measurement device is performed, so as to confirm whether the hard contact opening received by the measurement device is changed along with the change of the trip virtual terminal data in the GOOSE trip message sent by the optical port.
In an embodiment of the present invention, when the hard contact 3 received by the measuring device is opened and does not change with the change of the trip virtual terminal data in the GOOSE trip message sent by the optical port, the light intensity of the sending port (TX) of the optical module of the measuring device is automatically measured and recorded, that is, the light receiving sensitivity of the measured optical port of the measured intelligent terminal.
The foregoing description is only of the preferred embodiments of the invention, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (3)
1. The automatic measurement method for the light receiving sensitivity of the intelligent terminal of the intelligent substation comprises an automatic measurement device for the light receiving sensitivity of the intelligent terminal of the intelligent substation, wherein the automatic measurement device for the light receiving sensitivity of the intelligent terminal of the intelligent substation comprises an SCD analysis module, a plurality of hard contact opening interfaces and a measurement channel, and is characterized in that: the measuring channel is formed by sequentially connecting a GOOSE message sending module with an optical power attenuation module, an optical power measuring module and an optical port; the SCD analysis module is connected with the GOOSE message sending module; the optical port is connected with the optical port of the intelligent terminal to be tested through an optical fiber; the hard contact opening interface is connected with a hard contact interface of the intelligent terminal to be tested through a wire;
the optical ports are replaceable optical modules and comprise an input interface and an output interface;
the method specifically comprises the following steps:
step S1: connecting an optical port of a measuring system with a measured optical port of a measured intelligent terminal through an optical fiber, and connecting a tripping outlet hard contact of the measured intelligent terminal with a hard contact opening interface of the measuring system through a wire;
step S2: importing the SCD file into an SCD module and analyzing the SCD file;
step S3: according to the SCD analysis result obtained by the SCD module, obtaining virtual terminal information of the intelligent terminal to be tested, configuring a measuring device, sending a GOOSE tripping message through a test channel, and receiving a tripping signal of the intelligent terminal through a hard contact;
step S4: according to the GOOSE trip message data sent by the optical port, the trip outlet hard contact of the intelligent terminal to be tested is controlled to be closed or opened; when the tripping virtual terminal data in the GOOSE tripping message sent by the optical port is 1, the tripping outlet hard contact of the intelligent terminal to be tested is closed, namely the hard contact of the measuring device is opened to be 1; when the tripping virtual terminal data in the GOOSE tripping message sent by the optical port is 0, the tripping outlet hard contact of the intelligent terminal to be tested is disconnected, namely the hard contact of the measuring device is opened to be 0;
step S5: if the hard contact received by the measuring device is opened and changed along with the change of the tripping virtual terminal data in the GOOSE tripping message sent by the optical port, automatically reducing the light intensity of the optical port output interface module of the measuring device according to the step length and the delay set by the measuring device, and circularly carrying out the steps S4 and S5; when the opening of the hard joint of the measuring device is not changed along with the change of the tripping virtual terminal data in the GOOSE tripping message sent by the optical port, automatically measuring and recording the light intensity of an output interface module of the optical port of the measuring system, namely the light receiving sensitivity of the measured optical port of the measured intelligent terminal;
the step S3 specifically includes:
s31, obtaining virtual terminal information of the intelligent terminal to be tested according to an SCD analysis result obtained by an SCD module and configuring a measuring device;
step S32: the GOOSE message information sent by each measuring channel is sent to a GOOSE message sending module of the corresponding measuring channel;
step S33: the GOOSE message sending module generates a GOOSE message of the measuring channel and sends the GOOSE message to the optical power attenuation module in the form of an optical signal;
step S34: the optical power attenuation module correspondingly attenuates the light intensity of the GOOSE report Wen Guang signal according to the attenuation step length and the delay set by the measuring device, and sends the attenuated GOOSE report Wen Guang signal to the optical power measuring module;
step S35: the optical power measuring module automatically tests the received GOOSE report Wen Guang signal, sends the test result to the display module for display, and simultaneously sends the GOOSE report Wen Guang signal to an optical port of the measuring channel;
step S36: the optical port sends a GOOSE tripping message to the intelligent terminal to be tested through the optical fiber and receives a tripping opening signal of the intelligent terminal through the hard contact opening interface.
2. The automatic measurement method for the light receiving sensitivity of the intelligent terminal of the intelligent substation according to claim 1 is characterized by comprising the following steps: the optical power attenuation module is also connected with a timing module, and the timing module is used for timing according to the set time delay and sending a signal to the optical power attenuation module after the timing is finished.
3. The automatic measurement method for the light receiving sensitivity of the intelligent terminal of the intelligent substation according to claim 1 is characterized by comprising the following steps: the optical power measuring module is also connected with a display module, and the display module displays the optical power value of each measuring channel.
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| CN110736609B (en) * | 2019-10-24 | 2021-07-30 | 云南电网有限责任公司昆明供电局 | Optical port power testing method based on automatic matching |
| CN111313965A (en) * | 2020-02-21 | 2020-06-19 | 国网河南省电力公司电力科学研究院 | Intelligent substation optical fiber link testing method and device |
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