CN103973512A - Method for detecting power distribution network communication parameters - Google Patents
Method for detecting power distribution network communication parameters Download PDFInfo
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- CN103973512A CN103973512A CN201410180784.0A CN201410180784A CN103973512A CN 103973512 A CN103973512 A CN 103973512A CN 201410180784 A CN201410180784 A CN 201410180784A CN 103973512 A CN103973512 A CN 103973512A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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- Data Exchanges In Wide-Area Networks (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
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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 Electric automation technology field, relate to a kind of Distribution Network Communication parameter automatic testing method.
Background technology
Along with deepening continuously of urban network reconstruction, increasing power supply enterprise has been equipped with distribution automation system, brought thus the raising of electricity consumption level, also make power distribution network be faced with a new reform and development, need constantly self-perfection, also will constantly pinpoint the problems, deal with problems simultaneously.
Due to distribution network automated numerous equipment and the subsystem of involving, the association of various degrees again therebetween, the link address of each main website, substation, public address, applying unit public address length, imformosome address size, transmit reason length, stipulations version, and comprise connect between main website and substation overtime, (abbreviation that English full name is " Application Protocol Data Unit ", Chinese translation is " Application Protocol Data Unit " to send APDU.) overtime or test APDU overtime, that during the time-out time of the overtime or test APDU that the time-out time < that recipient confirms during without data message confirms while sending the time-out time of APDU, confirms is overtime, the time-out time > that sends acknowledgement frame when passage is long-time idle sends under the time-out time state that sends the overtime of test frame or test APDU under the time-out time state of APDU and sends the overtime of test frame, application message is confirmed overtime in interior overtime parameter existence difference in various degree, this just requires before realizing power distribution network and putting into operation, whole distribution automation system is carried out to strict networking to be detected, just can guarantee the reliable and secure operation of power distribution network.So, seek a kind of both simplely, do not affect again the Distribution Network Communication parameter automatic testing method of the normal operation of distribution network system, grasp power distribution network real time execution situation comprehensively, become electric power enterprise problem demanding prompt solution.
Summary 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, provides a kind of improved Distribution Network Communication parameter detection method, uses the method can realize effective detection of distribution network automated middle communication parameter.
Technical scheme of the present invention is, the Distribution Network Communication parameter detection method providing, system adopts analog form, Distribution Network Communication to be measured station end and simulation main station/sub station equipment are carried out to analog communication, and adopt mirror port listening mode to record complete communication message, by communication message is carried out to protocol analysis, obtain the parameter detailed value of communication main station/substation equipment, again the parameter detailed value obtaining is compared, finally draw Real-Time Monitoring report.Comprise the steps: specifically
(1), the requirement of the IEC60870-5-104 transmission protocol text of formulating according to International Power Wei 57 technical committees, for Distribution Network Communication to be measured main website configuration parameter value or be that Distribution Network Communication to be measured substation configures parameter value, described parameter value comprises: link address, public address, applying unit public address length, imformosome address size, transmit reason length, stipulations version, and between main website and substation, connect overtime, send the overtime of the overtime of APDU or test APDU, that during the time-out time of the overtime or test APDU that the time-out time < that recipient confirms during without data message confirms while sending the time-out time of APDU, confirms is overtime, the time-out time > that sends acknowledgement frame when passage is long-time idle sends under the time-out time state that sends the overtime of test frame or test APDU under the time-out time state of APDU and sends the overtime of test frame, comprise the overtime overtime parameter of application message confirmation,
(2), use conventional method, set up simulation main website equipment or analog submodule station equipment, between this simulation main website equipment or analog submodule station equipment and Distribution Network Communication main website equipment to be measured or Distribution Network Communication to be measured substation equipment, carry out analog communication, adopt switch mirror port listening mode obtaining communication message.The characteristic of this switch mirror port is only to copy channel data, network is not sent to any data, so as to guaranteeing normally carrying out of Distribution Network Communication;
(3), recording step (2) communication message that obtains, with this communication message of record, compare the IEC60870-5-104 transmission protocol text that described International Power Wei 57 technical committees formulate and obtain stipulations comparison value, extract the parameter value that parameter value that Distribution Network Communication to be measured main website equipment need to detect or Distribution Network Communication to be measured substation equipment need to detect.Described stipulations comparison value comprises comparison link address, clock synchronization parameters, imformosome period and quantity, applying unit public address length, imformosome address size, transmits reason length, stipulations version;
(4), from stipulations comparison value step (3) Suo Shu, extract any two groups of data and preserve in Database Lists mode, then these two groups of data are compared one by one, filter out abnormal information and form test report as alarm event report content;
(5), use conventional method to check the parameter value of described Distribution Network Communication to be measured main website equipment or the parameter value of Distribution Network Communication to be measured substation equipment, until occur without unusual occurrence report.
The invention has the beneficial effects as follows: adopt mirror port monitor method obtaining communication message, Distribution Network Communication process is monitored, communication process is not caused to any interference, guaranteed normally carrying out of Distribution Network Communication.The setting of each parameter is carried out to free setting system, each parameter can be set according to the value of actual distribution network systems, comprise link address length, public address length, applying unit public address length, imformosome address size, transmit reason length, stipulations version, and comprise connect between each main website and its substation overtime, send the overtime of the overtime of APDU or test APDU, that during the time-out time of the overtime or test APDU that the time-out time < that recipient confirms during without data message confirms while sending the time-out time of APDU, confirms is overtime, the time-out time > that sends acknowledgement frame when passage is long-time idle sends under the time-out time state that sends the overtime of test frame or test APDU under the time-out time state of APDU and sends the overtime of test frame, application message is confirmed overtime in interior overtime parameter.
Embodiment:
Embodiment 1:
(1), the requirement of the IEC60870-5-104 transmission protocol text of formulating according to International Power Wei 57 technical committees, for Distribution Network Communication to be measured main website configuration parameter value, described parameter value comprises: link address, public address, applying unit public address length, imformosome address size, transmit reason length, stipulations version, and between main website and substation, connect overtime, send the overtime of the overtime of APDU or test APDU, that during the time-out time of the overtime or test APDU that the time-out time < that recipient confirms during without data message confirms while sending the time-out time of APDU, confirms is overtime, the time-out time > that sends acknowledgement frame when passage is long-time idle sends under the time-out time state that sends the overtime of test frame or test APDU under the time-out time state of APDU and sends the overtime of test frame, comprise the overtime overtime parameter of application message confirmation,
(2), use conventional method, set up simulation main website equipment or analog submodule station equipment, between this simulation main website equipment or analog submodule station equipment and Distribution Network Communication main website equipment to be measured or Distribution Network Communication to be measured substation equipment, carry out analog communication, adopt switch mirror port listening mode obtaining communication message;
(3), recording step (2) communication message that obtains, with this communication message of record, compare the IEC60870-5-104 transmission protocol text that described International Power Wei 57 technical committees formulate and obtain stipulations comparison value, extract the parameter value that Distribution Network Communication to be measured main website equipment need to detect.Described stipulations comparison value comprises comparison link address, clock synchronization parameters, imformosome period and quantity, applying unit public address length, imformosome address size, transmits reason length, stipulations version;
(4), from stipulations comparison value step (3) Suo Shu, extract any two groups of data and preserve in Database Lists mode, then these two groups of data are compared one by one, filter out abnormal information and form test report as alarm event report content;
(5), use conventional method to check the parameter value of described Distribution Network Communication to be measured main website equipment, until occur without unusual occurrence report.
Embodiment 2:
Step (1)～(4) are with embodiment 1;
(5), use conventional method to check the parameter value of described Distribution Network Communication to be measured substation equipment, until occur without unusual occurrence report.
Claims (1)
1. a Distribution Network Communication parameter detection method, the method comprises the steps:
(1), the requirement of the IEC60870-5-104 transmission protocol text of formulating according to International Power Wei 57 technical committees, for Distribution Network Communication to be measured main website configuration parameter value or be that Distribution Network Communication to be measured substation configures parameter value, described parameter value comprises: link address, public address, applying unit public address length, imformosome address size, transmit reason length, stipulations version, and between main website and substation, connect overtime, send the overtime of the overtime of APDU or test APDU, that during the time-out time of the overtime or test APDU that the time-out time < that recipient confirms during without data message confirms while sending the time-out time of APDU, confirms is overtime, the time-out time > that sends acknowledgement frame when passage is long-time idle sends under the time-out time state that sends the overtime of test frame or test APDU under the time-out time state of APDU and sends the overtime of test frame, comprise the overtime overtime parameter of application message confirmation,
(2), use conventional method, set up simulation main website equipment or analog submodule station equipment, between this simulation main website equipment or analog submodule station equipment and Distribution Network Communication main website equipment to be measured or Distribution Network Communication to be measured substation equipment, carry out analog communication, adopt switch mirror port listening mode obtaining communication message;
(3), recording step (2) communication message that obtains, the IEC60870-5-104 transmission protocol text of comparing the formulation of described International Power Wei 57 technical committees with this communication message of record obtains stipulations comparison value, extract the parameter value that parameter value that Distribution Network Communication to be measured main website equipment need to detect or Distribution Network Communication to be measured substation equipment need to detect, described stipulations comparison value comprises comparison link address, clock synchronization parameters, imformosome period and quantity, applying unit public address length, imformosome address size, transmits reason length, stipulations version;
(4), from stipulations comparison value step (3) Suo Shu, extract any two groups of data and preserve in Database Lists mode, then these two groups of data are compared one by one, filter out abnormal information and form test report as alarm event report content;
(5), use conventional method to check the parameter value of described Distribution Network Communication to be measured main website equipment or the parameter value of Distribution Network Communication to be measured substation equipment, until occur without unusual occurrence report.
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| CN105306262A (en) * | 2015-09-30 | 2016-02-03 | 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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