CN103973512B - Method for detecting power distribution network communication parameters - Google Patents
Method for detecting power distribution network communication parameters Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention discloses a method for detecting power distribution network communication parameters. The method comprises the following steps of (1) configuring parameter values; (2) conducting analog communication, and obtaining a communication message; (3) extracting parameter values needing to be detected; (4) screening out abnormal information to be used as the alarm event report content; (5) inspecting the parameter value until no abnormal event reports appear. According to the method for detecting the power distribution network communication parameters, a mirror port monitoring method is adopted to obtain the communication message, the power distribution network communication process is monitored, no interference is caused to the communication process, and it is ensured that power distribution network communication can be normally carried out. The parameters are freely set, and each parameter can be set according to actual power distribution system values and comprises the link address length, the public address length and an overtime parameter including APDU overtime sending or testing.
Description
Technical field
The invention belongs to technical field of electric automation, it is related to a kind of Distribution Network Communication parameter automatic testing method.
Background technology
Deepening continuously with urban network reconstruction, increasing power supply enterprise is equipped with distribution automation system,
Thus bring the raising of electricity consumption level, also make power distribution network be faced with a new reform and development, need constantly that self is complete
Kind, also to constantly pinpoint the problems, solve problem simultaneously.
Involve numerous equipment and subsystem due to distribution network automated, therebetween the association of again various degrees,
Each main website, the link address of substation, public address, applying unit public address length, imformosome address size, transmits reason
Length, stipulations version, and include setting up the time-out being connected between main website and substation, (English full name is to send APDU
The abbreviation of " Application Protocol Data Unit ", Chinese translation is " Application Protocol Data Unit ".) time-out or
The time-out time confirming when the time-out of test APDU, recipient's no data message<Confirm during the time-out time sending APDU is super
When or test APDU time-out time when the time-out that confirms, passage send the time-out time of acknowledgement frame when idle for a long time>Send
Send under the time-out time state of APDU and send the super of test frame under the time-out of test frame or the time-out time state of test APDU
When, application message confirm time-out there is different degrees of difference in interior overtime parameter, this require realizing power distribution network throwing
Before fortune, whole distribution automation system is carried out with strict networking detection, just can ensure that the reliable and secure operation of power distribution network.Institute
To seek that one kind was both simple, and not affect the normal Distribution Network Communication parameter automatic detection side running of distribution network system
Method, grasps power distribution network real-time operating conditions, it has also become electric power enterprise problem demanding prompt solution comprehensively.
Content of the invention
The technical problem to be solved in the present invention is, for the backward situation of existing Distribution Network Communication parameter detection technique,
A kind of improved Distribution Network Communication parameter detection method is provided, can achieve that distribution network automated middle communication ginseng becomes using the method
The effective detection of amount.
The technical scheme is that, the Distribution Network Communication parameter detection method being provided, is to adopt analog form, will
Distribution Network Communication station to be measured end is simulated communicating with simulation main station/sub station equipment, and has been recorded using mirror port listening mode
Whole communication message, by communication message is carried out with protocol analysis, obtains the parameter detailed value of communication main station/substation device,
Again the parameter detailed value obtaining is compared, finally show that real-time monitoring is reported.Specifically comprise the steps：
(1), according to International Power committee the 57th technical committee formulate IEC60870-5-104 transmission protocol text will
Ask, be that Distribution Network Communication main website to be measured configures parameter value or configures parameter value, described ginseng for Distribution Network Communication substation to be measured
Variate-value includes：Link address, public address, applying unit public address length, imformosome address size, transmission reason are long
Degree, stipulations version, and set up between main website and substation the time-out being connected, send APDU time-out or test APDU time-out,
The time-out time confirming during recipient's no data message<Send APDU time-out time when the time-out that confirms or test APDU super
When the time when time-out that confirms, passage send the time-out time of acknowledgement frame when idle for a long time>Send the time-out time shape of APDU
Send under state and send the time-out of test frame under the time-out of test frame or the time-out time state of test APDU, include applying message true
Recognize time-out in interior overtime parameter；
(2), use conventional method, set up simulation master device or simulation substation device, in this simulation master device or mould
Intend substation device to be simulated communicating between Distribution Network Communication master device to be measured or Distribution Network Communication substation device to be measured, adopt
Obtain communication message with switch mirror port listening mode.The characteristic of this switch mirror port is only to replicate channel data, not right
Network sends any data, so as to ensureing being normally carried out of Distribution Network Communication；
(3), the obtained communication message of recording step (2), compares described International Power committee the 57th with this communication message of record
The IEC60870-5-104 transmission protocol text that technical committee formulates obtains stipulations comparison value, extracts Distribution Network Communication main website to be measured
Equipment needs the parameter value of detection or Distribution Network Communication substation device to be measured to need the parameter value of detection.Described stipulations compare
Value includes comparing link address, clock synchronization parameters, imformosome period and quantity, applying unit public address length, imformosome
Address size, transmission reason length, stipulations version；
(4) extract any two groups of data the stipulations comparison value described in, from step (3) to preserve in Database Lists mode,
Again this two groups of data are compared one by one, filter out abnormal information and form test report as alarm event report content；
(5), conventional method is used to check the parameter value of described Distribution Network Communication master device to be measured or power distribution network to be measured
The parameter value of communication substation device, until event without exception reports the occurrence of.
The invention has the beneficial effects as follows：Communication message is obtained using mirror port monitor method, Distribution Network Communication process is entered
Row is monitored, and communication process is not caused with any interference it is ensured that Distribution Network Communication is normally carried out.Setting to each parameter is real
Row freely set system, each parameter can be set according to the value of actual distribution network systems, including link address length,
Public address length, applying unit public address length, imformosome address size, transmission reason length, stipulations version, and bag
The time-out, the recipient that set up the time-out being connected, the time-out sending APDU or test APDU between Kuo Ge main website and its substation are countless
The time-out time confirming during according to message<Send APDU time-out time when the time-out that confirms or test APDU time-out time when true
The time-out time of acknowledgement frame is sent when the time-out recognized, passage are idle for a long time>Send to send under the time-out time state of APDU and survey
The time-out of test frame is sent, application message confirms time-out interior super under the time-out time state of the time-out of examination frame or test APDU
When parameter.
Specific embodiment：
Embodiment 1：
(1), according to International Power committee the 57th technical committee formulate IEC60870-5-104 transmission protocol text will
Ask, be Distribution Network Communication main website to be measured configuration parameter value, described parameter value includes：Link address, public address, application are single
First public address length, imformosome address size, transmission reason length, stipulations version, and the company of foundation between main website and substation
The time-out time confirming when the time-out of the time-out connecing, the time-out sending APDU or test APDU, recipient's no data message<Send
Send out when the time-out that confirms during the time-out time of the time-out that confirms during the time-out time of APDU or test APDU, passage are idle for a long time
Send the time-out time of acknowledgement frame>Send APDU time-out time state under send test frame time-out or test APDU overtime when
Between send the time-out of test frame under state, include application message and confirm the overtime parameter including overtime；
(2), use conventional method, set up simulation master device or simulation substation device, in this simulation master device or mould
Intend substation device to be simulated communicating between Distribution Network Communication master device to be measured or Distribution Network Communication substation device to be measured, adopt
Obtain communication message with switch mirror port listening mode；
(3), the obtained communication message of recording step (2), compares described International Power committee the 57th with this communication message of record
The IEC60870-5-104 transmission protocol text that technical committee formulates obtains stipulations comparison value, extracts Distribution Network Communication main website to be measured
Equipment needs the parameter value of detection.Described stipulations comparison value includes comparing link address, clock synchronization parameters, imformosome period
And quantity, applying unit public address length, imformosome address size, transmission reason length, stipulations version；
(4) extract any two groups of data the stipulations comparison value described in, from step (3) to preserve in Database Lists mode,
Again this two groups of data are compared one by one, filter out abnormal information and form test report as alarm event report content；
(5), conventional method is used to check the parameter value of described Distribution Network Communication master device to be measured, until being as good as ordinary affair
Part reports the occurrence of.
Embodiment 2：
Step (1)～(4) are with embodiment 1；
(5), conventional method is used to check the parameter value of described Distribution Network Communication substation device to be measured, until being as good as ordinary affair
Part reports the occurrence of.
Claims (1)
1. a kind of Distribution Network Communication parameter detection method, the method comprises the steps：
(1), the requirement of the IEC60870-5-104 transmission protocol text formulated according to technical committee of International Power committee the 57th, be
Distribution Network Communication main website to be measured configures parameter value or configures parameter value, described parameter value for Distribution Network Communication substation to be measured
Including：Link address, public address, applying unit public address length, imformosome address size, transmission reason length, stipulations
Set up the time-out being connected between version, and main website and substation, send the time-out of APDU or test the time-out of APDU, recipient no
The time-out time confirming during data message；
(2), use conventional method, set up simulation master device or simulation substation device, in this simulation master device or analog submodule
It is simulated communicating between station equipment and Distribution Network Communication master device to be measured or Distribution Network Communication substation device to be measured, using friendship
Mirror port listening mode of changing planes obtains communication message；
(3), the obtained communication message of recording step (2), compares described International Power committee the 57th technology with this communication message of record
The IEC60870-5-104 transmission protocol text that the committee formulates obtains stipulations comparison value, extracts Distribution Network Communication master device to be measured
The parameter value of detection or Distribution Network Communication substation device to be measured is needed to need the parameter value of detection, described stipulations comparison value bag
Include comparison link address, clock synchronization parameters, imformosome period and quantity, applying unit public address length, imformosome address
Length, transmission reason length, stipulations version；
(4) extract any two groups of data the stipulations comparison value described in, from step (3) to preserve in Database Lists mode, more right
This two groups of data are compared one by one, filter out abnormal information and form test report as alarm event report content；
(5), conventional method is used to check the parameter value of described Distribution Network Communication master device to be measured or Distribution Network Communication to be measured
The parameter value of substation device, until event without exception reports the occurrence of.
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| CN105306262B (en) * | 2015-09-30 | 2020-05-08 | 国网湖北省电力公司 | Anomaly detection method based on power system protocol |
| CN105656729A (en) * | 2016-03-03 | 2016-06-08 | 国网浙江诸暨市供电公司 | IEC104 protocol underlying message error detection method |
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