CN104135070A - Diagnosis method for pre-channel fault of power distribution automation system - Google Patents

Diagnosis method for pre-channel fault of power distribution automation system Download PDF

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CN104135070A
CN104135070A CN201410332563.0A CN201410332563A CN104135070A CN 104135070 A CN104135070 A CN 104135070A CN 201410332563 A CN201410332563 A CN 201410332563A CN 104135070 A CN104135070 A CN 104135070A
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distribution terminal
power distribution
communication
status
distribution automation
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CN104135070B (en
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谭志军
武会超
吴�琳
孙大雁
赵勇
吴奕
赵家庆
尹协文
欧阳文
宋英华
熊浩
丁宏恩
钱科军
吕洋
田江
陈娜
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State Grid Jiangsu Electric Power Co Ltd
NARI Technology Co Ltd
State Grid Electric Power Research Institute
Suzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
State Grid Corp of China SGCC
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State Grid Jiangsu Electric Power Co Ltd
NARI Technology Co Ltd
Suzhou Power Supply Co Ltd of Jiangsu Electric Power Co
State Grid Electric Power Research Institute
State Grid Corp of China SGCC
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Abstract

本发明公开了一种配电自动化系统的前置通道故障诊断方法，配电自动化主站系统监测配电终端运行状态，通信网管平台监测中间环节通信设备状态，将通信网管数据及配电终端运行状态相结合实现对配电自动化系统所辖配电终端、通信接入网设备、光缆、通信通道资源进行实时监测与管理，根据检测到的配电终端通信异常状态进行故障分析和定位，并发布配电终端通信异常报告。本发明可更加全面地查找前置通道故障的原因，实现故障节点精确定位，显著提高运维人员对配电终端及通信的消缺管理效率，从而保障配电网运行的稳定。

The invention discloses a fault diagnosis method for a pre-channel of a power distribution automation system. The power distribution automation master station system monitors the running state of the power distribution terminal, and the communication network management platform monitors the state of the communication equipment in the middle link, and the communication network management data and the running state of the power distribution terminal are monitored. The combination of status realizes real-time monitoring and management of power distribution terminals, communication access network equipment, optical cables, and communication channel resources under the jurisdiction of the distribution automation system, and performs fault analysis and positioning according to the detected abnormal communication status of power distribution terminals, and releases Communication abnormal report of power distribution terminal. The present invention can more comprehensively find the cause of the failure of the front channel, realize the precise positioning of the failure node, and significantly improve the management efficiency of the operation and maintenance personnel for the elimination of the distribution terminal and communication, thereby ensuring the stability of the operation of the distribution network.

Description

A kind of analog channel method for diagnosing faults of electrical power distribution automatization system
Technical field
The present invention relates to a kind of method for diagnosing faults, particularly a kind of analog channel method for diagnosing faults of electrical power distribution automatization system, belongs to for distribution technique field.
Background technology
Electrical power distribution automatization system is the major project of intelligent grid distribution link, and electrical power distribution automatization system construction is the important means that improves power supply reliability and power supply quality, expansion power supply capacity, realizes the operation of power distribution network high-efficiency and economic.Electrical power distribution automatization system is mainly partly comprised of power distribution automation main station system, distribution terminal, distribution substation and communication port etc.But the distribution terminal One's name is legion due to electrical power distribution automatization system, communication mode is various, distribution terminal operating mode is thrown and is moved back frequently, cause the reason of distribution terminal abnormal state a lot, some is the reason of distribution terminal self, some is the problem of communication line, and also some is power distribution automation main station system attendant configuration or other factors.If the situation of the state of distribution terminal and communication network comprehensively can be analyzed, will be conducive to system maintenance personnel's terminal access debugging work and terminal fault diagnostic process.
A kind of AMS equipment management system is disclosed in prior art, for service equipment network and and smart devices, the equipment and the process itself that make that user can monitor, move in management and adjustment process.Ripe AM system (AMS) is on the basis of process control; the equipment of whole production process is carried out to state-detection, management and adjustment; user can carry out configuration, monitoring, diagnosis and automatically safeguard and work out and preserve corresponding equipment records at intelligent field instrument and the equipment of running status Xia Duiquan factory; thereby make system stable operation more, reduce fault power time, save a large amount of human and material resources.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, a kind of analog channel method for diagnosing faults of electrical power distribution automatization system is provided, solves distribution terminal trouble shoot difficulty in prior art and cause access debugging and failure diagnosis to process technical problem not in time.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of analog channel method for diagnosing faults of electrical power distribution automatization system, comprises the following steps:
Step 1: power distribution automation main station system monitoring distribution terminal running status, communication network management platform monitoring intermediate link state of communication equipment, by power distribution automation main station system Real-time Feedback distribution terminal running state information and communication network status;
Step 2: when power distribution automation main station system monitors distribution terminal operating mode and exits, power distribution automation main station system starts Sampling network state: if network state is obstructed, push distribution terminal channel information to communication network management platform, communication network management platform carries out the inspection of intermediate link communication network status: if communication abnormality, communication network management platform completes communication node fault location by network topology; If communication is normal, navigate to communication abnormality between ONU and distribution terminal, with alarm form, report power distribution automation main station system, and by power distribution automation main station system issue distribution terminal abnormal state warning information; If network-in-dialing state is normal, enter next step;
Step 3: power distribution automation main station system checks by Port detecting instrument whether the distribution terminal serve port that operating mode exits is opened: if serve port is in closed condition, by telnet Telnet mode, restart distribution terminal, checking distribution terminal service state, and by power distribution automation main station system issue distribution terminal abnormal state warning information; If serve port in open mode, judges that message abnormal failure appears in distribution terminal, power distribution automation main station system is directly analyzed message, checks the response condition of distribution terminal to message, and issues distribution terminal abnormal state warning information.
Described communication network management platform is by snmp protocol, and auxiliary ICMP, TELNET agreement are obtained running status, the connection relation information of intermediate link communication equipment, thereby generated described network topology.
Described intermediate link communication equipment comprises: electrical power distribution automatization system jurisdiction distribution terminal communication access net equipment, optical cable, communication port resource.
The mode that the SOCKET of described power distribution automation main station system by real time scan and distribution terminal links is monitored distribution terminal operating mode.
Accident analysis for network state break-make, power distribution automation main station system provides PING support facility, the PING command execution number of times of setting to each distribution terminal, if network state is obstructed, application WEB_SERVICE interactive interface pushes distribution terminal channel information to communication network management platform.
The PING command execution number of times that described distribution terminal is set is 4 ~ 8 times.
For the normal distribution terminal of communication, communication network management platform also moves back number of times, the error rate, data packet loss information to its day/month throw and to carry out statistical analysis, evaluates the good of distribution terminal running status, and by power distribution automation main station system issue terminal maintenance scheduling.
The process of described statistical analysis is: from electrical power distribution automatization system, extract alarm record, packet loss, the error rate record that nearest 2 months distribution terminal operating modes exit, take 30 days is monthly example, assessment distribution terminal running status:
First distribution terminal operating mode exits: per day <=1 time, monthly average <=30 time for distribution terminal running status excellent; Per day >1 time, monthly average are for >30 time that distribution terminal running status is bad.
The present invention combines communication network management data and distribution terminal running status to realize electrical power distribution automatization system jurisdiction distribution terminal, communication access net equipment, optical cable, communication port resource is carried out to supervising and management in real time, according to the distribution terminal communication abnormality state detecting, carry out accident analysis and location, and issue the report of distribution terminal communication abnormality.Compared with prior art, the beneficial effect that the present invention reaches is: communication network management platform can be realized electrical power distribution automatization system jurisdiction terminal communication access network equipment, optical cable, communication port resource supervising and management in real time, the preposition module of power distribution automation main station system can realize the inspection of distribution terminal running status, both combine, can search more all sidedly the reason of analog channel fault, realizing malfunctioning node accurately locates, significantly improve the defect elimination efficiency of management of O&M personnel to distribution terminal and communication, thereby ensure the stable of power distribution network operation.
Accompanying drawing explanation
Fig. 1 is operational flowchart of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
Electrical power distribution automatization system can be managed each distribution terminal with the network address, specific implementation is divided into communication and distribution terminal two parts: power distribution automation main station system provides the monitoring interface of unified distribution terminal communications status, the running status of distribution terminal is carried out to real time scan and supervision, preliminary classification analog channel fault: network is obstructed, communication abnormality, message is abnormal, service is closed, mode with statistic of classification shows user, facilitate user intuitively distribution terminal integrated communication state to be monitored, and provide manual type to the analysis again of different faults distribution terminal and inspection entrance.Communication network management platform monitoring ONU is to running status, the connection relation information of the intermediate link communication equipments such as distribution core switch, final unified by power distribution automation main station system Real-time Feedback distribution terminal running state information and communication network status.As embodiments of the invention, electrical power distribution automatization system is selected OPEN3200 distribution automation system, and communication network management platform is selected existing AMS2.0 equipment management system.
The analog channel method for diagnosing faults of electrical power distribution automatization system, as shown in Figure 1, comprises the steps:
Step 1: the mode that the SOCKET of power distribution automation main station system by real time scan and distribution terminal links is monitored distribution terminal operating mode.Described communication network management platform is by snmp protocol, the agreements such as auxiliary ICMP, TELNET are obtained running status, the connection relation information of intermediate link communication equipment, generating network topology, communication network management platform is monitored intermediate link state of communication equipment by network topology, and by power distribution automation main station system Real-time Feedback distribution terminal running state information and communication network status.Intermediate link communication equipment comprises: electrical power distribution automatization system jurisdiction distribution terminal communication access net equipment, optical cable, communication port resource.
Step 2: when power distribution automation main station system monitors distribution terminal operating mode and exits, power distribution automation main station system is carried out immediately PING order and is started Sampling network state: power distribution automation main station system provides PING support facility, the PING command execution number of times of setting to each distribution terminal, PING command execution number of times is 4 ~ 8 times, under the pattern of present stage power distribution automation optical fiber networking, consider the efficient of judgement, normal PING command execution can judge the quality of network state for 4 times, can get rid of the inaccurate problem of the judgement causing due to Network Packet Loss for 8 times completely.If PING command execution number of times is used up, still PING is obstructed, show that network state is obstructed, apply WEB_SERVICE interactive interface and push distribution terminal channel information to communication network management platform, communication network management platform carries out the inspection of intermediate link communication network status: if communication abnormality, communication network management platform completes communication node fault location by network topology.If communication is normal, navigate to communication abnormality between ONU and distribution terminal, with alarm form, report power distribution automation main station system, and by power distribution automation main station system issue distribution terminal abnormal state warning information, in addition, for the normal distribution terminal of communication, communication network management platform also moves back number of times, the error rate, data packet loss information to its day/month throw and to carry out statistical analysis, evaluate the good of distribution terminal running status, and by power distribution automation main station system issue terminal maintenance scheduling.Concrete statistical analysis process is: from electrical power distribution automatization system, extract alarm record, packet loss, the error rate record that nearest 2 months distribution terminal operating modes exit, take 30 days is monthly example, assessment distribution terminal running status:
First distribution terminal operating mode exits: per day <=1 time, monthly average <=30 time for distribution terminal running status excellent; Per day >1 time, monthly average are for >30 time that distribution terminal running status is bad, and poor prognostic cause is caused by following two aspects:
1) packet loss <5% is that communications status is excellent, and packet loss >=5% is that communications status is bad.
2) error rate <5% is that distribution terminal equipment is excellent, and error rate >=5% is that distribution terminal equipment is bad.
For 1), issue communication port maintenance scheduling;
For 2), issue distribution terminal maintenance scheduling.
If network-in-dialing state is normal, enter next step;
Step 3: whether the distribution terminal serve port that power distribution automation main station system exits by Port detecting instrument automatic inspection operating mode is opened; Provide port testing tool: TELNET port test instrument simultaneously, adopt and to set up with distribution terminal the mode test port that SOCKET is connected and whether open, facilitate user to carry out hand inspection, if hand inspection result is consistent with port test result, can judge that distribution terminal service starts abnormal, serve port is closed.If serve port, in closed condition,, by telnet Telnet mode, is restarted distribution terminal, checking distribution terminal service state, and by distribution terminal automation main website system issue distribution terminal abnormal state warning information; If serve port is in open mode, judge that message abnormal failure appears in distribution terminal, power distribution automation main station system provides message audit function, can message be carried out and be preserved or call instruction, directly message is analyzed, check the response condition of distribution terminal to message: as error code or response message etc. not, by check result by power distribution automation main station system issue distribution terminal abnormal state warning information.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and distortion, these improvement and distortion also should be considered as protection scope of the present invention.

Claims (8)

1.一种配电自动化系统的前置通道故障诊断方法，其特征在于，包括以下步骤： 1. a front channel fault diagnosis method of distribution automation system, is characterized in that, comprises the following steps: 步骤一：配电自动化主站系统监测配电终端运行状态，通信网管平台监测中间环节通信设备状态，通过配电自动化主站系统实时反馈配电终端运行状态信息及通信网络状态； Step 1: The distribution automation master station system monitors the operating status of the distribution terminal, the communication network management platform monitors the status of the communication equipment in the middle link, and feeds back the operating status information of the distribution terminal and the communication network status in real time through the distribution automation master station system; 步骤二：当配电自动化主站系统监测到配电终端工况退出时，配电自动化主站系统开始检测网络状态：若网络状态不通，则推送配电终端通道信息到通信网管平台，通信网管平台进行中间环节通信网络状态检查：若通信异常，则通信网管平台通过网络拓扑完成通信节点故障定位；若通信正常，则定位到ONU与配电终端之间通信异常，以告警形式上报配电自动化主站系统，并由配电自动化主站系统发布配电终端状态异常告警信息；若网络连通状态正常，则进入下一步； Step 2: When the distribution automation master station system monitors that the distribution terminal working condition exits, the distribution automation master station system starts to detect the network status: if the network status is unavailable, push the distribution terminal channel information to the communication network management platform, and the communication network management The platform checks the status of the communication network in the middle link: if the communication is abnormal, the communication network management platform will complete the fault location of the communication node through the network topology; if the communication is normal, it will locate the abnormal communication between the ONU and the power distribution terminal, and report the distribution automation in the form of an alarm The master station system, and the power distribution automation master station system issues an alarm message about the abnormal status of the power distribution terminal; if the network connection status is normal, go to the next step; 步骤三：配电自动化主站系统通过端口检测工具检查工况退出的配电终端服务端口是否打开：若服务端口处于关闭状态，则通过telnet远程登录方式，重启配电终端，验证配电终端服务状态，并通过配电自动化主站系统发布配电终端状态异常告警信息；若服务端口处于打开状态，则判定配电终端出现报文异常故障，配电自动化主站系统直接对报文进行分析，检查配电终端对报文的响应情况，并发布配电终端状态异常告警信息。 Step 3: The main station system of distribution automation checks whether the service port of the power distribution terminal exiting from the working condition is open through the port detection tool: if the service port is closed, restart the power distribution terminal through telnet remote login to verify the service of the power distribution terminal status, and release the abnormal status alarm information of the distribution terminal through the main station system of distribution automation; Check the response of the power distribution terminal to the message, and release the alarm information of the abnormal status of the power distribution terminal. 2.根据权利要求1所述的配电自动化系统的前置通道故障诊断方法，其特征在于，所述通信网管平台借助SNMP协议，辅助ICMP、TELNET协议获取中间环节通信设备的运行状态、连接关系信息，从而生成所述网络拓扑。 2. the front channel fault diagnosis method of power distribution automation system according to claim 1, is characterized in that, described communication network management platform is by SNMP agreement, assists ICMP, TELNET agreement to obtain the running status, connection relationship of intermediate link communication equipment information to generate the network topology. 3.根据权利要求1或2所述的配电自动化系统的前置通道故障诊断方法，其特征在于，所述中间环节通信设备包括：配电自动化系统所辖配电终端通信接入网设备、光缆、通信通道资源。 3. The method for diagnosing faults in the pre-channel of the distribution automation system according to claim 1 or 2, wherein the intermediate link communication equipment includes: distribution terminal communication access network equipment under the jurisdiction of the distribution automation system, Optical cables, communication channel resources. 4.根据权利要求1所述的配电自动化系统的前置通道故障诊断方法，其特征在于，所述配电自动化主站系统通过实时扫描与配电终端的SOCKET链接的方式监测配电终端工况。 4. The front channel fault diagnosis method of the distribution automation system according to claim 1, wherein the distribution automation master station system monitors the distribution terminal work by real-time scanning and the SOCKET link of the distribution terminal. condition. 5.根据权利要求1所述的配电自动化系统的前置通道故障诊断方法，其特征在于，对于网络状态通断的故障分析，配电自动化主站系统提供PING支持工具，设定对每个配电终端的PING命令执行次数，若网络状态不通，应用WEB_SERVICE交互接口推送配电终端通道信息到通信网管平台。 5. the front channel fault diagnosis method of distribution automation system according to claim 1, it is characterized in that, for the fault analysis of network status on-off, distribution automation master station system provides PING support tool, setting is for each The number of execution times of the PING command of the power distribution terminal. If the network status is unavailable, the WEB_SERVICE interactive interface is used to push the channel information of the power distribution terminal to the communication network management platform. 6.根据权利要求5所述的配电自动化系统的前置通道故障诊断方法，其特征在于，所述配电终端设定的PING命令执行次数为4 ~ 8次。 6. The pre-channel fault diagnosis method of the distribution automation system according to claim 5, wherein the number of executions of the PING command set by the distribution terminal is 4 to 8 times. 7.根据权利要求1所述的配电自动化系统的前置通道故障诊断方法，其特征在于，对于通信正常的配电终端，通信网管平台还对其日/月投退次数、丢包率、误码率信息进行统计分析，评估出配电终端运行状态的优良，并由配电自动化主站系统发布配电终端检修计划。 7. The front channel fault diagnosis method of the distribution automation system according to claim 1, characterized in that, for the power distribution terminal with normal communication, the communication network management platform also returns the daily/monthly throw-in and withdrawal times, packet loss rate, The bit error rate information is statistically analyzed to evaluate the excellent operation status of the distribution terminal, and the distribution automation master station system issues the distribution terminal maintenance plan. 8.根据权利要求7所述的配电自动化系统的前置通道故障诊断方法，其特征在于，所述统计分析的过程是：从配电自动化系统提取出最近2个月配电终端工况退出的告警记录、丢包率、误码率记录，以每月30天为例，评估配电终端运行状态： 8. The method for diagnosing faults in the front channel of the distribution automation system according to claim 7, characterized in that, the process of the statistical analysis is: extracting from the distribution automation system the last 2 months of power distribution terminal working conditions exiting Alarm records, packet loss rate, and bit error rate records, taking 30 days per month as an example to evaluate the operating status of power distribution terminals: 首先配电终端工况退出：日平均<=1次、月平均<=30次为配电终端运行状态优；日平均>1次、月平均>30次为配电终端运行状态不良。 First of all, the working condition of the power distribution terminal exits: the daily average <= 1 time, the monthly average <= 30 times indicates that the power distribution terminal is in good condition; the daily average > 1 time, and the monthly average > 30 times indicates that the power distribution terminal is in poor operating condition.
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