CN107332718B - Real-time linkage fault positioning method for power communication and power distribution and utilization terminal - Google Patents
Real-time linkage fault positioning method for power communication and power distribution and utilization terminal Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0677—Localisation of faults
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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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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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
The invention provides a real-time linkage fault positioning method for a power communication and power distribution terminal, which comprises the following steps: establishing an alarm mapping code table between a communication standard alarm of a power terminal communication access network terminal and a service standard alarm of a power distribution and utilization service terminal; acquiring a communication alarm of a power terminal communication access network terminal and a service alarm of a power distribution and utilization service terminal in real time, and converting the acquired communication alarm and service alarm into a communication standard alarm and a service standard alarm in an alarm mapping code table by utilizing alarm standard conversion; and performing matching analysis on the communication standard alarm and the service standard alarm after the alarm standardization conversion by using a fault boundary judgment rule to judge a fault boundary. The real-time linkage fault positioning method can perform bilateral standardized conversion on terminal communication access network equipment alarm and power distribution terminal communication alarm of different manufacturer technologies, perform automatic matching and linkage analysis, and quickly judge the fault boundary of the service terminal communication fault.
Description
Technical Field
The invention relates to a fault top-level method, in particular to a real-time linkage fault positioning method for a power communication and power distribution terminal.
Background
The power communication network is an important supporting facility for supporting the safe and stable operation of the power grid, and has extremely high requirements on the aspects of communication stability, reliability and the like. The power terminal communication access network is an important infrastructure for supporting power distribution automation, marketing power information acquisition and numerous emerging services. The distribution and utilization service terminal equipment realizes data communication with the power enterprise central station by means of a communication channel provided by the access network, thereby realizing various service applications such as remote automatic control, remote meter reading, video transmission and the like. In a real application scenario, when the power distribution equipment terminal has communication interruption, the reason may be a terminal equipment fault, and may also be a communication module fault or a communication line fault. Because the access network is distributed on the urban streets, has large scale, is easily influenced by various municipal construction and artificial damage, has complex conditions, is difficult to judge the cause of the fault, can only carry out on-site investigation by manpower when the communication is interrupted, causes meaningless consumption of labor cost to a great extent, and reduces the efficiency of fault treatment.
At present, because an electric power communication network and an electric power distribution and utilization network are mutually isolated and have independent technologies, fusion monitoring of the communication network and the electric power network is difficult to realize, a monitoring system on one side of the communication network can only find communication faults but cannot detect service states, a monitoring system on one side of the power distribution and utilization network can only monitor the electric power network faults but cannot determine the communication network states, linkage comprehensive analysis of the communication network and the electric power distribution and utilization network is difficult to realize, the fault reasons are difficult to automatically and rapidly position, and difficulty is caused to service guarantee and fault treatment.
Disclosure of Invention
The technical problems to be solved by the invention are that the existing electric power communication network and the electric power distribution network are mutually isolated and have independent technology, the linkage comprehensive analysis of the electric power communication network and the electric power distribution network is difficult to realize, the fault reason is difficult to be automatically and rapidly positioned, and the difficulty is caused to service guarantee and fault treatment.
In order to solve the technical problem, the invention provides a real-time linkage fault positioning method for a power communication and power distribution terminal, which comprises the following steps of:
step 1, establishing an alarm mapping code table between a communication standard alarm of a power terminal communication access network terminal and a service standard alarm of a power distribution and utilization service terminal;
step 2, acquiring a communication alarm of a power terminal communication access network terminal and a service alarm of a power distribution and utilization service terminal in real time, converting the acquired communication alarm into a communication standard alarm in an alarm mapping code table by utilizing alarm standardization conversion, and converting the acquired service alarm into a service standard alarm in the alarm mapping code table;
and 3, performing matching analysis on the communication standard alarm and the service standard alarm after the alarm standardization conversion by using a fault boundary judgment rule to judge the fault boundary.
As a further limiting scheme of the invention, the alarm mapping code table comprises communication standard alarm names of various communication alarms and service standard alarm names of various service alarms, and the service standard alarm names are correspondingly set according to the consequences of the communication alarms on the power distribution service communication terminal.
As a further limiting scheme of the invention, an alarm mapping code table maps a terminal connection failure alarm, a terminal power failure alarm and a terminal port interruption alarm in a communication standard alarm name to an optical fiber communication interruption in a service standard alarm name, maps a terminal port switching alarm, an optical power low alarm and an error rate high alarm in the communication standard alarm name to an optical fiber communication frequent disconnection in the service standard alarm name, maps a base station disconnection alarm in the communication standard alarm name to a wireless communication offline timeout in the service standard alarm name, and maps a signal instability alarm in the communication standard alarm name to a wireless communication frequent disconnection in the service standard alarm name.
As a further limiting scheme of the invention, the conversion process of the alarm standardization conversion comprises four steps of alarm classification, standard alarm mapping, alarm translation and alarm grading, and the conversion content of the alarm standardization conversion comprises an alarm name field, an alarm grade field, an alarm coding field and an alarm reason field.
As a further limiting scheme of the present invention, in step 3, the specific steps of performing matching analysis on the communication standard alarm and the service standard alarm after the alarm standardization conversion by using the fault boundary determination rule to determine the fault boundary are as follows:
step 3.1, setting matching time windows, and recording a communication standard alarm and/or a service standard alarm in each matching time window as an alarm sequence;
and 3.2, matching each alarm sequence according to the alarm mapping code table, if a communication standard alarm and a service standard alarm exist in one alarm sequence at the same time and the communication standard alarm and the service standard alarm are in the corresponding relation in the alarm mapping code table, judging that the service alarm of the distribution electric service terminal is caused by the power terminal communication access network terminal and the fault is positioned at the communication side, and if only the service standard alarm exists in one alarm sequence or the existing communication standard alarm and the service standard alarm are not in the corresponding relation in the alarm mapping code table, judging that the service alarm of the distribution electric service terminal is caused by the distribution electric service terminal equipment and the fault is positioned at the service side.
The invention has the beneficial effects that: the alarm standardization conversion is adopted, so that bilateral standardization conversion can be performed on terminal communication access network equipment alarms and power distribution terminal communication alarms of different manufacturer technologies, automatic matching and linkage analysis are performed, the fault boundary of a service terminal communication fault is quickly judged, the problems that the power distribution service fault is difficult to locate, difficult to divide, unnecessary manual maintenance cost is wasted and efficiency is low are solved, cost reduction and efficiency improvement effects are achieved for fault location and disposal of the power distribution service, and the method has a good application prospect.
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FIG. 1 is a flow chart of the alarm normalization conversion of the present invention;
fig. 2 is a flowchart of a fault location method of the present invention.
Detailed Description
The invention provides a real-time linkage fault positioning method for a power communication and power distribution terminal, which realizes the standardized matching and linkage analysis of real-time monitoring information of a power communication network and a power distribution network and realizes fault analysis and judgment of a communication side and a service survey. The method can automatically analyze the reason boundary of the power distribution and utilization terminal communication interruption, and provides automatic support for analysis and positioning of power distribution and utilization business communication faults, troubleshooting and business emergency.
The general method of the invention is as follows: firstly, establishing an alarm mapping code table between a communication standard alarm of a power terminal communication access network terminal and a service standard alarm of a power distribution and utilization service terminal; then, acquiring a communication alarm of a power terminal communication access network terminal and a service alarm of a power distribution and utilization service terminal in real time, converting the acquired communication alarm into a communication standard alarm in an alarm mapping code table by utilizing alarm standardized conversion, and converting the acquired service alarm into a service standard alarm in the alarm mapping code table; and finally, performing matching analysis on the communication standard alarm and the service standard alarm after the alarm standardization conversion by using a fault boundary judgment rule to judge the fault boundary. The method comprises the following specific steps:
1. the specific steps of establishing an alarm mapping code table between the communication standard alarm of the power terminal communication access network terminal and the service standard alarm of the power distribution and utilization service terminal are as follows:
the method takes the most main optical fiber communication and wireless communication technologies of the power terminal communication access network as research objects, carries out standardized design on the communication terminal fault alarm, forms standard alarm codes and standard names, and is suitable for the alarm of different equipment manufacturers. And then, according to the influence degree and the consequences of the communication alarm on the distribution and power utilization services, the corresponding service alarm standard name is sorted out, so that the method can be suitable for various distribution and power utilization services such as distribution automation, power utilization information acquisition, charging pile and distributed power supply. The mapping code table of the power terminal communication access network terminal communication standard alarm and the power distribution service terminal communication alarm is formed as follows:
2. the method comprises the steps of acquiring a communication alarm of a power terminal communication access network terminal and a service alarm of a power distribution and utilization service terminal in real time, converting the acquired communication alarm into a communication standard alarm in an alarm mapping code table by utilizing alarm standardization conversion, converting the acquired service alarm into a service standard alarm in the alarm mapping code table, and realizing the universal universality of linkage analysis of the communication alarm and the service alarm of the power distribution and utilization terminal and the differentiation of shielding equipment manufacturers, wherein the specific steps shown in figure 1 are as follows:
(1) inputting an original alarm: taking communication alarms of equipment of different manufacturers as original alarms, screening out invalid alarms, retaining real and valid alarms, and starting an alarm standardization conversion process;
(2) and (4) alarm classification: according to the alarm mapping code table, firstly, the terminal communication access network equipment alarms are divided into two types of optical fiber communication alarms and wireless communication alarms according to the types of equipment generating the alarms;
(3) standard alarm mapping: according to the alarm instruction of the equipment manufacturer, matching the optical fiber communication alarm and the wireless communication alarm to the standard alarm by contrasting the alarm mapping code table, and uniformly mapping the original alarm to the standard alarm;
(4) alarm translation: according to the alarm mapping code table, translating the original alarm of the equipment manufacturer into a standard alarm, wherein the translation content comprises the name, the code, the alarm reason description and the like;
(5) and (4) alarm grading: redefining the alarm level of the communication equipment corresponding to the alarm level in the alarm mapping code table according to the degree of the standard alarm affecting the service and the caused consequence, so as to standardize the alarm level;
(6) outputting a standard alarm: and outputting the standard alarm of which the name, the grade and the code are subjected to standardized conversion as an alarm input source of a communication side for next fault analysis.
3. And matching and analyzing the communication standard alarm and the service standard alarm after the alarm standard conversion by using a fault boundary judgment rule to judge a fault boundary, taking a communication equipment network management system and a power distribution and utilization monitoring system as data sources, simultaneously acquiring a communication alarm and a service terminal alarm, finishing the bilateral standard conversion of the communication alarm and the service alarm according to the alarm standard conversion, matching and corresponding according to the communication alarm and a service terminal alarm mapping code table, and finally finishing the boundary judgment of the communication fault of the power distribution and utilization terminal. The specific analysis and determination flow is shown in FIG. 2. The flow is illustrated as follows:
(1) communication alarm data source: the communication alarm takes a communication equipment manufacturer network management system as a data source, and the original alarm of the communication equipment is obtained in real time through a north interface of the equipment network management;
(2) service alarm data source: the service alarm uses a power distribution and utilization service monitoring system as a data source, and generally comprises a power distribution automation master station monitoring system and a power utilization information acquisition state monitoring system. Acquiring an original alarm of a service terminal in a software interface mode between systems;
(3) alarm standardization: after acquiring an original communication alarm and an original service alarm, converting the communication alarm into a communication standard alarm in the alarm mapping code table through alarm standard conversion; meanwhile, the service alarm is converted into a service standard alarm;
(4) and communication and service alarm matching: taking 15 minutes (or other time) as a period, bringing the communication equipment ONU alarm and the distribution automation terminal communication alarm generated in the time window into a pair of alarm sequences, automatically completing code table traversal according to the communication standard alarm and the distribution power service terminal communication alarm mapping code table, and matching the communication standard alarm and the service standard alarm;
(5) and (3) fault boundary judgment: if the communication equipment is matched with the service terminal, the service terminal alarm is caused by the fault of the communication equipment, so that the fault is positioned at a communication side; if the alarm is not matched, the alarm of the service terminal is caused by the self equipment fault, and the fault is positioned at the service side.
The application embodiment of the present invention is specifically described below by taking a distribution automation service and an EPON communication technology widely used in power enterprises as examples.
EPONs are communication technologies mainly used in power terminal communication access networks, particularly distribution automation communication networks, and their main devices include an OLT (optical line terminal) that implements uplink communication with a backbone network and an ONU (optical network unit) that implements terminal communication access. The ONU equipment alarm directly reflects the communication condition of the distribution automation terminal. The EPON equipment is generally provided with equipment network management, the network management is provided with a northbound interface for reporting real-time alarm to an upper application system, and original alarm information of the ONU equipment can be obtained through the northbound interface.
Distribution automation is one of main production services of a power grid, communication of the distribution automation is mainly based on optical fiber private networks such as EPON (Ethernet passive optical network) and industrial Ethernet, and communication access is realized through a distribution automation terminal communication module. The distribution automation master station system can monitor the real-time state of the distribution automation equipment, including communication conditions, but the perception of the communication state is limited to whether the communication state is interrupted or not. The distribution automation master station system can give an alarm to the upper application system reporting terminal in real time in an interface mode.
According to the method provided by the invention, a power communication and power distribution terminal real-time linkage fault positioning software system is researched and developed or a related application module is researched and developed in an integrated network management system, real-time collection of ONU equipment alarm is completed through a network management northbound interface of EPON equipment, meanwhile, a system interface of a distribution automation main station is called to obtain communication alarm of a distribution automation terminal, and then automatic standardized conversion of double-side alarm is completed through an alarm standardized conversion module to be used as input data of next analysis; establishing a data model in a software system, storing a communication alarm and service alarm standardized list and a mapping relation, and forming an electronic alarm mapping code table; setting a time window in a software system, taking 15 minutes (or other time) as a period, incorporating the communication equipment ONU alarm and the distribution automation terminal communication alarm occurring in the time window into a pair of alarm sequences, and automatically completing the matching of the pair of alarm sequences according to an alarm mapping code table. If the matching is successful, the fault can be judged to be generated at one side of the EPON equipment, and is directly triggered by the ONU equipment generating the alarm, and communication personnel can be dispatched to carry out on-site investigation immediately; if the matching is unsuccessful, the fault can be judged to occur at one side of the service terminal, distribution automation personnel can be dispatched to perform on-site investigation immediately, and communication personnel remotely provide technical support.
According to the embodiment, the boundary judgment of the power distribution automation terminal fault can be automatically and rapidly completed by utilizing the technology of the invention, the fault positioning and processing efficiency is improved, unnecessary outsourcing of communication personnel is effectively reduced, and the operation and maintenance cost is reduced.
Claims (2)
1. A real-time linkage fault positioning method for power communication and power distribution terminals is characterized by comprising the following steps:
step 1, establishing an alarm mapping code table between a communication standard alarm of a power terminal communication access network terminal and a service standard alarm of a power distribution and utilization service terminal;
step 2, acquiring a communication alarm of a power terminal communication access network terminal and a service alarm of a power distribution and utilization service terminal in real time, converting the acquired communication alarm into a communication standard alarm in an alarm mapping code table by utilizing alarm standardization conversion, and converting the acquired service alarm into a service standard alarm in the alarm mapping code table;
step 3, performing matching analysis on the communication standard alarm and the service standard alarm after the alarm standardization conversion by using a fault boundary judgment rule to judge a fault boundary;
the alarm mapping code table comprises communication standard alarm names of various communication alarms and service standard alarm names of various service alarms, and the service standard alarm names are correspondingly set according to the consequences of the communication alarms on the power distribution and utilization service communication terminal;
the conversion process of the alarm standardized conversion comprises four steps of alarm classification, standard alarm mapping, alarm translation and alarm grading, wherein the conversion content of the alarm standardized conversion comprises an alarm name field, an alarm grade field, an alarm coding field and an alarm reason field;
in step 3, the specific steps of performing matching analysis on the communication standard alarm and the service standard alarm after the alarm standardization conversion by using the fault boundary determination rule to determine the fault boundary are as follows:
step 3.1, setting matching time windows, and recording a communication standard alarm and/or a service standard alarm in each matching time window as an alarm sequence;
and 3.2, matching each alarm sequence according to the alarm mapping code table, if a communication standard alarm and a service standard alarm exist in one alarm sequence at the same time and the communication standard alarm and the service standard alarm are in the corresponding relation in the alarm mapping code table, judging that the service alarm of the distribution electric service terminal is caused by the power terminal communication access network terminal and the fault is positioned at the communication side, and if only the service standard alarm exists in one alarm sequence or the existing communication standard alarm and the service standard alarm are not in the corresponding relation in the alarm mapping code table, judging that the service alarm of the distribution electric service terminal is caused by the distribution electric service terminal equipment and the fault is positioned at the service side.
2. The method for locating the real-time linkage fault of the power communication and power distribution terminal according to claim 1, wherein the alarm mapping code table maps a terminal connection failure alarm, a terminal power failure alarm and a terminal port interruption alarm in a communication standard alarm name to an optical fiber communication interruption in a service standard alarm name, maps a terminal port switching alarm, an optical power low alarm and an error rate high alarm in the communication standard alarm name to an optical fiber communication frequent disconnection in the service standard alarm name, maps a wireless communication offline timeout in the communication standard alarm name to a base station disconnection alarm in the service standard alarm name, and maps a signal instability alarm in the communication standard alarm name to a wireless communication frequent disconnection in the service standard alarm name.
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