CN102710443B - A kind of power communication relaying protection business impact analysis method and system thereof - Google Patents

A kind of power communication relaying protection business impact analysis method and system thereof Download PDF

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CN102710443B
CN102710443B CN201210179780.1A CN201210179780A CN102710443B CN 102710443 B CN102710443 B CN 102710443B CN 201210179780 A CN201210179780 A CN 201210179780A CN 102710443 B CN102710443 B CN 102710443B
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alarm
transmission channel
relaying protection
business
protection business
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CN102710443A (en
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唐云善
施健
张春平
吴德胜
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State Grid Corp of China SGCC
Nari Technology Co Ltd
State Grid Electric Power Research Institute
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State Grid Corp of China SGCC
Nanjing NARI Group Corp
State Grid Electric Power Research Institute
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Abstract

The present invention relates to a kind of power communication relaying protection business impact analysis method, carry out in accordance with the following steps: (1) Real-time Collection communication network warning information is also normalized; (2) transmission channel of alarm with carrying relaying protection business is mated; (3) correlation analysis is carried out to the alarm of relay protection channel; (4) whether the transmission channel of retrieval carrying relaying protection business exists primary transmission channel; (5) analysis of standby transport passage is carried out according to the step identical with primary transmission channel; (6) according to the alert analysis in the primary transmission channel of relaying protection business and standby transport passage on the impact of transmission channel.Meanwhile, the invention also discloses a kind of power communication relaying protection business impact analysis system.The present invention disclose a kind of power communication relaying protection business impact analysis method consider relaying protection business particular/special requirement, service impact is segmented, the degree of fault to relaying protection service impact can be analyzed, improve precision of analysis.

Description

A kind of power communication relaying protection business impact analysis method and system thereof
Technical field
The present invention relates to a kind of method and system thereof of business impact analysis, relate to a kind of power communication relaying protection business impact analysis method and system thereof in particular.
Background technology
Traditional electric communication operation and maintenance management, mainly stresses to carry out real time monitoring and troubleshooting from equipment aspect and network level to communication network, thus ensures that communication system of power grids business is normally run.The quickening of building along with State Grid Corporation of China's intelligent grid advances, electric communication operation and maintenance management is had higher requirement, communication network O&M need rise to service-oriented aspect from traditional equipment oriented, network level, rises to initiatively O&M from traditional passive O&M.Therefore, the research and apply of communication failure to service impact automatic analysis is carried out significant.In power communication; business is divided into scheduling production business and management service; scheduling production business is the key business ensureing power network safety operation; mainly comprise relaying protection business, stable service control, dispatching automation, dispatching telephone etc., and relaying protection business need carry out dispatching and ensureing specially with its distinctive signal transmission requirement.Ensure that the normal operation of relaying protection business is one of key link ensureing electric grid relay protection equipment correct operation, if communication port breaks down, cause relay protection signal not transmit or to misinformate, will great electricity net safety stable accident be caused.Therefore; when powerline network breaks down; automatically, accurately, real-time analysis is out of order on the impact of relaying protection business; the very first time informs that communication operation maintenance personnel carries out service channel guarantee and troubleshooting; the very first time, informing business department took measures, significant to guarantee power grid security, stable operation.
About communication network fault business impact analysis technology, be substantially all by setting up service resources model at present, portray the requirement of user to business according to SLA, the event of capturing service correlated resources, comprehensively analyzes, and provides the impact on business.And in power communication; also do not carry out the definition of SLA at present; particularly also do not formulate different SLAs for different business; make to adopt traditional business impact analysis method not exclusively to adapt to power communication relaying protection business impact analysis, mainly there is the problem of following several respects:
(1) particular/special requirement of relaying protection business do not considered by the service resources model set up, as time delay, transmission bandwidth, transmission standard, active and standby route etc.;
(2) although carried out the analysis of root event to network event, decrease analytical calculation amount, whether event of not carrying out affects business is segmented, and the analysis of root event is not based on this particular resource object of transmission channel.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of particular/special requirement, the power communication relaying protection business impact analysis method that service impact is segmented of considering relaying protection business.
Meanwhile, present invention also offers a kind of power communication relaying protection business impact analysis system realizing above-mentioned purpose.
For achieving the above object, the present invention is achieved by the following technical solutions: a kind of power communication relaying protection business impact analysis method, carries out in accordance with the following steps:
(1) Real-time Collection communication network warning information being normalized;
(2) transmission channel of alarm with carrying relaying protection business mated, classify to alarm according to relaying protection transmission channel, filtering simultaneously does not belong to the alarm of relay protection channel;
(3) correlation analysis is carried out to the alarm of relay protection channel, find out Root alarm, determine the impact on transmission channel according to Root alarm;
(4) according to the correlation model of business and transmission channel, whether the transmission channel of retrieval carrying relaying protection business exists standby transport passage, if there is standby transport passage, then continues to analyze standby transport passage after the analysis completing primary transmission channel; If there is no standby transport passage, then only need analyze primary transmission channel;
(5) standby transport multichannel analysis is carried out according to the step identical with primary transmission channel;
(6) according to the alarm in the primary transmission channel of relaying protection business and standby transport passage on the impact of transmission channel, determine the impact of alarm on relaying protection business.
To being further defined to of technical scheme of the present invention; normalization processing method described in step (1) is: for the situation of power communication relaying protection service bearer in SDH transmission channel; alarm event place object is classified, and is normalized according to the physical layer in line side, multiplex section, higher order path, low order channel place physical port and logic port and tributary port.
Further; alarm described in step (2) adopts the method based on relation data library storage and retrieval with the matching process of the transmission channel of carrying relaying protection business; be specially: the correlation model setting up transmission channel data model and alarm place object and transmission channel in relational database; after alarm completes normalized; by alarm directly stored in relational database, mating of alarm and relay protection channel directly can be completed by the associated data in retrieve relationship data storehouse like this.
Further, the method finding out Root alarm described in step (3) have employed the method transmitted based on the end-to-end alarm of transmission channel.
Further, determine to have employed technology based on equipment manufacturer's experts database to the impact of transmission channel according to Root alarm described in step (3), be specially: the SDH transmission network built for devices from different manufacturers, set up alarm type and the rule list to transmission channel influence degree, the influence degree of alarm to transmission channel can be learnt by rule searching table.
Further, determine in step (6) that the affect method of alarm on relaying protection business is:
(1) if the primary transmission channel of carrying relaying protection business is not affected, standby transport passage is affected, then business is not affected, but sends the early warning signal that standby transport passage breaks down;
(2) if the primary transmission channel of carrying relaying protection business is affected, standby transport passage is not affected, then business is not affected, but sends the early warning signal that primary transmission channel breaks down;
(3) if the primary transmission channel of carrying relaying protection business is affected, standby transport passage is also affected, then business is affected.
A kind of power communication relaying protection business impact analysis system, comprises service resources database, correlation rule storehouse, Real-time Collection module, pretreatment module and real-time analysis module, wherein,
Described service resources database, for setting up network configuration information storehouse, manual typing relaying protection business information, setting up the bearing relation of passage and business;
Described correlation rule storehouse, for storing the correlation of alarm type in transmission channel and transmission channel and warning information;
Described Real-time Collection module, for Real-time Collection network configuration data and alarm data, and carries out transfer of data;
Described pretreatment module, from the alarm of data acquisition module, performance and configuration data for accepting, is normalized, completes the binding of alarm to concrete service resources model;
Described real-time analysis module, for according to the configuration data of service resources model and collection and alarm data, in conjunction with transmission channel alarm correlation rule storehouse, carries out real-time analysis to alarm to relaying protection service impact, and provides analysis result.
Being further defined to technical solution of the present invention, the information in described network configuration information storehouse comprises the configuration of Equipments Setting, network configuration and passage.
Further, described Real-time Collection module is connected with Real-time Alarm device and network configuration device, gathers the information of described Real-time Alarm device and described network configuration device
The invention has the beneficial effects as follows: a kind of power communication relaying protection business impact analysis method core concept disclosed by the invention is the primary transmission channel set up complete relaying protection service resources model, consider carrying relaying protection business; the degree of fault to relaying protection service impact can be analyzed; simultaneously; to establish based on the root alarm regulation storehouse of transmission channel and alarm the rule base of transmission channel influence degree, improve precision of analysis.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of power communication relaying protection business impact analysis method disclosed by the invention;
Fig. 2 is the structural representation of a kind of power communication relaying protection business impact analysis system disclosed by the invention;
Fig. 3 is the network model figure of a kind of power communication relaying protection business impact analysis system disclosed by the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the present invention.
Fig. 1 is the flow chart of a kind of power communication relaying protection business impact analysis method disclosed by the invention.
As shown in Figure 1: a kind of power communication relaying protection business impact analysis method, carry out in accordance with the following steps:
(1) Real-time Collection communication network warning information being normalized.
Described normalization processing method is: for the situation of power communication relaying protection service bearer in SDH transmission channel, alarm event place object is classified, and is normalized according to the physical layer in line side, multiplex section, higher order path, low order channel place physical port and logic port and tributary port;
(2) transmission channel of alarm with carrying relaying protection business mated, classify to alarm according to relaying protection transmission channel, filtering simultaneously does not belong to the alarm of relay protection channel.
Described alarm adopts the method based on relation data library storage and retrieval with the matching process of the transmission channel of carrying relaying protection business; be specially: the correlation model setting up transmission channel data model and alarm place object and transmission channel in relational database; after alarm completes normalized; by alarm directly stored in relational database, mating of alarm and relay protection channel directly can be completed by the associated data in retrieve relationship data storehouse like this.
(3) correlation analysis is carried out to the alarm of relay protection channel, find out Root alarm, determine the impact on transmission channel according to Root alarm;
The described method finding out Root alarm have employed the method transmitted based on the end-to-end alarm of transmission channel, as alarm occurs A end, Z end then causes ais alarm, the ais alarm of LOS and the Z end that the A for this transmission channel holds, and the LOS alarm of A end is exactly Root alarm; For the situation that there is channel protection ring, after there is Single Point of Faliure, system can be switched and be carried out looped network protection, although there is alarm to produce, does not impact transmission channel end to end, can this part alarm of filtering.
Described determine to have employed technology based on equipment manufacturer's experts database to the impact of transmission channel according to Root alarm, be specially: the SDH transmission network built for devices from different manufacturers, set up alarm type and the rule list to transmission channel influence degree, the influence degree of alarm to transmission channel can be learnt by rule searching table.
(4) according to the correlation model of business and transmission channel, whether the transmission channel of retrieval carrying relaying protection business exists standby transport passage, if there is standby transport passage, then continues to analyze standby transport passage after the analysis completing primary transmission channel; If there is no standby transport passage, then only need analyze primary transmission channel;
(5) standby transport multichannel analysis is carried out according to the step identical with primary transmission channel;
(6) according to the alarm in the primary transmission channel of relaying protection business and standby transport passage on the impact of transmission channel, determine the impact of alarm on relaying protection business.
Describedly determine that the affect method of alarm on relaying protection business is:
(1) if the primary transmission channel of carrying relaying protection business is not affected, standby transport passage is affected, then business is not affected, but sends the early warning signal that standby transport passage breaks down;
(2) if the primary transmission channel of carrying relaying protection business is affected, standby transport passage is not affected, then business is not affected, but sends the early warning signal that primary transmission channel breaks down;
(3) if the primary transmission channel of carrying relaying protection business is affected, standby transport passage is also affected, then business is affected.
Fig. 2 is the structural representation of a kind of power communication relaying protection business impact analysis system disclosed by the invention.
As shown in Figure 2: a kind of power communication relaying protection business impact analysis system, comprises service resources database, correlation rule storehouse, Real-time Collection module, pretreatment module and real-time analysis module, wherein,
Described service resources database; for setting up network configuration information storehouse, manual typing relaying protection business information, setting up the bearing relation of passage and business; the information in described network configuration information storehouse comprises the configuration of Equipments Setting, network configuration and passage; specifically comprise the bearing relation of relaying protection business, SDH transmission channel and route, transmission channel and relaying protection business, transmission network, transmission multiplex section, network element, board, port, time slot, time-slot cross etc.
Described correlation rule storehouse, for storing the correlation of alarm type in transmission channel and transmission channel and warning information.
Described Real-time Collection module, for Real-time Collection network configuration data and alarm data, and carry out transfer of data, described Real-time Collection module is connected with Real-time Alarm device and network configuration device, gathers the information of described Real-time Alarm device and described network configuration device.Meanwhile, by gather and performance to data format after be sent to data preprocessing module, configuration data is delivered to service resources database.
Described pretreatment module, accepts, from the alarm of data acquisition module, performance and configuration data, to be normalized, to complete the binding of alarm to concrete service resources model.Wherein alarm comprises two step operations to the binding of service resources: the binding first completing warning information and concrete time slot, port, board, network element etc. some resource; Then retrieval alarm and transmission channel correlation model carry out the bindings of alarm to passage.
Described real-time analysis module, for according to the configuration data of service resources model and collection and alarm data, in conjunction with transmission channel alarm correlation rule storehouse, carries out real-time analysis to alarm to relaying protection service impact, and provides analysis result.
Fig. 3 is the network model figure of a kind of power communication relaying protection business impact analysis system disclosed by the invention.
As shown in Figure 3, the method for power communication relaying protection service resources model is:
Setting up power communication relaying protection service resources model is the basis that system carries out analyzing, and model is the abstractdesription transmitted in communication transmission passage actual relaying protection business.Power communication relaying protection service resources model comprises following three aspects:
(1) operation layer: relaying protection business, be exactly that power line protection equipment information of carrying out is transmitted end to end, its model generally comprises circuit model, proterctive equipment allocation models, a communication port allocation models.
(2) SDH transmission channel layer: refer to for relaying protection business providing end is to client information transmission, based on TDM(time division multiplexing) SDH transmission channel correlation model, comprise passage base attribute, passway by (two ends port, intermediate slots intersect), with the bearing relation of relaying protection business, the whether attribute such as active and standby.
(3) network equipment layer: refer to SDH transmission channel lightguide cable link related resource model between the SDH network element device node of process and node.Wherein network element comprises board, port, time slot and intersection, and lightguide cable link comprises optical cable segment, fibre core, light path etc.
Operation layer and transmission channel layer are bearing relation, i.e. transmission channel bearer service; Transmission channel layer and web network equipment layer are bearing relation, i.e. network equipment carrying transmission channel.
Below, power communication relaying protection business impact analysis method is further described:
(1) example model and analysis result
As shown in Figure 3, the transmission channel of carrying relaying protection business is made up of primary transmission channel and standby transport passage, and the switching of primary transmission channel is completed voluntarily by relay protection device.Primary transmission channel is made up of A, B, C, D, F network element node, and wherein A, B, F are configured to SNCP.Standby transport passage is made up of G, H, I, J network element node, fault exemplary position and analysis result as shown in table 1:
Table 1:
Sequence number Abort situation Affect result Remarks
1 F-B breaks down Primary transmission channel partial open loop runs, and relaying protection business is unaffected
2 C-D breaks down Primary transmission channel is interrupted, and relaying protection business is switched to standby transport passage, and relaying protection business is not affected
3 H-I breaks down Standby transport channel interrupt, relaying protection business is not affected
4 F-B and H-I breaks down simultaneously Primary transmission channel partial open loop runs, standby transport channel interrupt, and relaying protection business is unaffected
5 C-D and H-I breaks down simultaneously Primary transmission channel, standby transport passage all interrupt, relaying protection service disconnection
(2) analytic process
With typical fault point for input, in conjunction with service resources model, automatic analysis, must be out of order to the result of relaying protection service impact, analysis process is shown in Fig. 1.
A) F-B breaks down
Break down between F-B, as fiber break, tabula rasa damage, there is LOS alarm in the light mouth of F, B correspondence direction, is delivered to regenerator section, multiplex section, higher order path layer in B and F alarm from physical layer.Then, alarm signal continues to transmit to upstream device.
Primary transmission channel have employed SNCP configuration between A-B; F-B breaks down; alarm at A, F, B tri-, network element occurs; by the Real-time Collection to alarm signal; according to service resources model (A, B, C makeup ring is also configured with SNCP); carry out signal choosing at A1 and B1 port to receive, signal is transmitted by A-B, and primary transmission channel there will not be fault.Analytical system provides primary transmission channel partial open loop and runs, and relaying protection business is unaffected.
B) C-D breaks down
C-D breaks down, first alarm occurs at D1 and C1 port, then transmit to downstream, the final regenerator section at A2, F1, F2, B2, B1, B3, C1, C2, D1, multiplex section, higher order path layer produce relevant alarm, on the 2M tributary port of D2 and A4, TU_LOS and the TU_AIS alarm passing to low order channel from higher order path will be there is.Warning information when occurring by gathering fault, carry out alarm normalized, TU_LOS and TU_AIS is tied on the TU time slot of A4 and D2 tributary port.By query warning and passage correlation model, TU_AIS and TU_LOS is navigated in primary transmission channel.By the root alarm regulation storehouse of retrieval based on transmission channel, show that the root alarm of A4 and D2 port is TU_LOS.By the alarm of inquiry plant equipment to the influence degree rule list of passage, draw the fault that master channel interrupts.Because standby transport passage place circuit and equipment do not break down, by automatic analysis, standby transport passage is normal.Analytical system provides primary transmission channel and interrupts, and relaying protection business is switched to standby transport passage, the not affected result of relaying protection business.
C) H-I breaks down
H-I breaks down, first alarm occurs at H2 and I1 port, then transmit to downstream, the final regenerator section at G2, H1, I2, J1, multiplex section, higher order path layer produce relevant alarm, on the 2M tributary port of G3 and J3, TU_LOS and the TU_AIS alarm passing to low order channel from higher order path will be there is.Warning information when occurring by gathering fault, carry out alarm normalized, TU_LOS and TU_AIS is tied on the TU time slot of A4 and D2 tributary port.By query warning and passage correlation model, TU_AIS and TU_LOS is navigated on standby transport passage.By the root alarm regulation storehouse of retrieval based on transmission channel, show that the root alarm of A4 and D2 port is TU_LOS.By the alarm of inquiry plant equipment to the influence degree rule list of passage, draw the fault of standby transport channel interrupt.Now, because primary transmission channel place circuit and equipment do not break down, by automatic analysis, primary transmission channel is normal.Analytical system provides standby transport channel interrupt, the not affected result of relaying protection business.
D) F-B and H-I breaks down simultaneously
According to a), F-B breaks down, and system provides master channel partial open loop and runs, and relaying protection business is unaffected; According to c), H-I breaks down, and system provides standby transport channel interrupt, the not affected result of relaying protection business.F-B and H-I breaks down simultaneously, and network analysis provides the operation of primary transmission channel partial open loop, standby transport channel interrupt, the impregnable result of relaying protection business.
E) C-D and H-I breaks down simultaneously
According to b), C-D breaks down, and system provides master channel and interrupts, and relaying protection business is switched to standby transport passage, and relaying protection business is not affected; According to c), H-I breaks down, and system provides standby transport channel interrupt, the not affected result of relaying protection business.C-D and H-I breaks down simultaneously, and primary transmission channel and standby transport passage all interrupt, the result of relaying protection service disconnection.
Above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.

Claims (3)

1. a power communication relaying protection business impact analysis method, is characterized in that, carries out in accordance with the following steps:
(1) Real-time Collection communication network warning information being normalized;
(2) transmission channel of alarm with carrying relaying protection business mated, classify to alarm according to relaying protection transmission channel, filtering simultaneously does not belong to the alarm of relay protection channel;
(3) correlation analysis is carried out to the alarm of relay protection channel, find out Root alarm, determine the impact on transmission channel according to Root alarm;
(4) according to the correlation model of business and transmission channel, whether the transmission channel of retrieval carrying relaying protection business exists standby transport passage, if there is standby transport passage, then continues to analyze standby transport passage after the analysis completing primary transmission channel; If there is no standby transport passage, then only need analyze primary transmission channel;
(5) standby transport multichannel analysis is carried out according to the step identical with primary transmission channel;
(6) according to the alarm in the primary transmission channel of relaying protection business and standby transport passage on the impact of transmission channel, determine the impact of alarm on relaying protection business;
Wherein, normalization processing method described in step (1) is: for the situation of power communication relaying protection service bearer in SDH transmission channel, alarm event place object is classified, and is normalized according to the physical layer in line side, multiplex section, higher order path, low order channel place physical port and logic port and tributary port;
Alarm described in step (2) adopts the method based on relation data library storage and retrieval with the matching process of the transmission channel of carrying relaying protection business, be specially: the correlation model setting up transmission channel data model and alarm place object and transmission channel in relational database, after alarm completes normalized, by alarm directly stored in relational database, mating of alarm and relay protection channel directly can be completed by the associated data in retrieve relationship data storehouse like this;
The method finding out Root alarm described in step (3) have employed the method transmitted based on the end-to-end alarm of transmission channel; Described determine to have employed technology based on equipment manufacturer's experts database to the impact of transmission channel according to Root alarm, be specially: the SDH transmission network built for devices from different manufacturers, set up alarm type and the rule list to transmission channel influence degree, the influence degree of alarm to transmission channel can be learnt by rule searching table.
2. a kind of power communication relaying protection business impact analysis method according to claim 1, is characterized in that, determines that the affect method of alarm on relaying protection business is in step (6):
(1) if the primary transmission channel of carrying relaying protection business is not affected, standby transport passage is affected, then business is not affected, but sends the early warning signal that standby transport passage breaks down;
(2) if the primary transmission channel of carrying relaying protection business is affected, standby transport passage is not affected, then business is not affected, but sends the early warning signal that primary transmission channel breaks down;
(3) if the primary transmission channel of carrying relaying protection business is affected, standby transport passage is also affected, then business is affected.
3. a power communication relaying protection business impact analysis system, is characterized in that, comprises service resources database, correlation rule storehouse, Real-time Collection module, pretreatment module and real-time analysis module, wherein,
Described service resources database, for setting up network configuration information storehouse, manual typing relaying protection business information, setting up the bearing relation of passage and business; The information in described network configuration information storehouse comprises the configuration of Equipments Setting, network configuration and passage;
Described correlation rule storehouse, for storing the correlation of alarm type in transmission channel and transmission channel and warning information;
Described Real-time Collection module, for Real-time Collection network configuration data and alarm data, and carries out transfer of data;
Described pretreatment module, from the alarm of data acquisition module, performance and configuration data for accepting, is normalized, completes the binding of alarm to concrete service resources model;
Described real-time analysis module, for according to the configuration data of service resources model and collection and alarm data, in conjunction with transmission channel alarm correlation rule storehouse, carries out real-time analysis to alarm to relaying protection service impact, and provides analysis result;
Described Real-time Collection module is connected with Real-time Alarm device and network configuration device, gathers the information of described Real-time Alarm device and described network configuration device.
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