CN103578039A - Power grid operational risk early warning analysis system - Google Patents

Abstract

The invention discloses a power grid operational risk early warning analysis system adopted to guarantee safe and stable operation and electric power normal supplying of an electric power system due to the fact that various unsafe factors exist in a power generation or power grid operation process. The system comprises a home page, comprehensive analysis, operational analysis, safety analysis, data maintenance, authority management and the like, and operation and implementation of a power grid are achieved through construction of a unified data model, a power grid operational risk management system and early warning analysis. Due to the design and application of the power grid operational risk early warning analysis system, the operational safety situation of a power grid can be judged in real time, risk prevention is improved, high practical value is achieved, the system has the advantages of preventing and reducing safety accidents, assisting in rapid repairing and positioning and assisting in power grid planning from the perspective of a user, therefore, data quality of various service systems can be promoted, and working efficiency is substantially improved.

Description

A kind of operation of power networks Risk-warning analytic system

Technical field: the present invention relates to, in reply electrical production or operation of power networks process, have various unsafe factors, guarantee power system safety and stability operation and electric power regular supply, and a kind of operation of power networks Risk-warning analytic system adopting.

Background technology: along with the continuous change of social productive forces, the high speed development of industrial automation, electronic information, the development of yield-power has be unable to do without electric power supply, safe and reliable in order to ensure electric power supply, need to pay much attention to safe operation of electric network, although electric power safety accident may not directly translate into great casualties or economic loss, can affect greatly national economy, social stability and people's lives, involve widely, damage sequence impact is large.State Council's the 599th command < < electric power safety accident emergency disposes and the regulations > > that investigates (being designated hereinafter simply as < < regulations > >) formally publicized and implemented on September 1st, 2011.< < regulations > > affects power system safety and stability operation or affect the electric power safety accident of electric power (heating power) regular supply for what occur in electrical production or operation of power networks process, division and standard, report program, the emergency disposal responsibility of the grade of clear and definite accident, the regulation of investigating and stipulating and being connected with the rules such as State Council 493 commands.

In electrical production or operation of power networks process, the analysis of various unsafe factors and judgement can affect power system safety and stability operation or affect electric power regular supply by indirect, in order to control and avoid various risks, need to take various measures to avoid the generation of above factor, need to comprehensively analyze supply load, equipment failure, power supply user, assist administration of power networks personnel to guarantee the normal stable operation of power supply safety.Analysis for above < < regulations > > management and electric power netting safe running at present is also in manual judgement and analysis phase, comprise power transmission and transforming equipment carrying user ratio etc., this work cycle of combing is manually long, efficiency is low, cannot realize the prevention early warning to electric power safety accident, substantially in statistical study afterwards.

Summary of the invention: the object of the invention is to according to electric power safety accident standard, unified marketing, scheduling, production three major businesses system data interface are provided, eliminate data difference, construction is comprehensively analyzed information such as the related equipment of electrical network, users, reach contingent security incident risk in operation of power networks is carried out to intelligent early-warning, from the safety management of technical standpoint auxiliary electrical network operation and scheduled overhaul, programming dispatching, guarantee a kind of operation of power networks Risk-warning analytic system of safe operation of electric network stable application.

The technical scheme that the present invention adopted is for achieving the above object: this system is comprised of homepage, comprehensive analysis, operating analysis, safety analysis, data maintenance, rights management etc., and move and implement by operation of power networks unified data model, operation of power networks risk management system, early warning analysis construction, the constituted mode of this system is:

1. homepage: show the general status in current operation of power networks in mode intuitively to user, mainly shown user's ratio and the load proportion of load, 110KV and the 22KV transformer station on the current minimax load of electrical network, main power plant same day;

2. comprehensively analyze: show the information analysis of each device node of whole power system operating mode, comprising:

A. the method for operation and customer analysis, the method for operation of showing current electrical network with tree structure.User can clicks a certain device node, check the detailed operation information of this equipment;

B. circuit analysis, take voltage as user ratio, load proportion, the working capacity of index classification to whole circuits, analyzes;

C. transformer station analyzes, and take voltage as user's ratio, load proportion, the working capacity of index classification to transformer station's circuit, analyzes;

3. operating analysis: by the distribution situation of the method for operation and user, load, set up and understand fast whole operation of power networks general status, show the mutual search between circuit and electricity consumer, support fuzzy query, the information that user can will retrieve by input is located fast, comprising:

A. user's query analysis, provides this user place, quick location which bar circuit, can check this user's concrete supply path after click;

B. circuit query analysis, provides the number of users of circuit that quick understanding is paid close attention to, the concrete classification distribution situation that can check this line user after click;

C. user's classification analysis, shows the situation of individual node according to user's focus difference;

4. safety analysis: electric power safety incident classification is carried out to early warning analysis, outage analysis, crash analysis, comprising:

A. electric power netting safe running analysis, analyzes for the circuit having a power failure in current power system operating mode, the latent defect situation of prediction early warning electrical network;

B. operation of power networks crash analysis, carries out classification analysis to historical accident;

5. data maintenance: the device relationships being directed to after newly added equipment or transformer station's reconstruction is safeguarded, the equipment that can arrange is in existing equipment connection information, and line upkeep management, be used for safeguarding different device line information, can revise device type and the electric pressure of circuit, can also list all customer informations under circuit, the additions and deletions of carrying out customer information change looks into, to occurring inaccurate information in data, only need carry out simple certain operations at data maintenance interface and can revise at once;

6. rights management; Adopted the mode of bundle of permissions to carry out control and the role-security administrative mechanism of authority, rights management will be developed keeper, be used for specifying theme and menu in institute's access system of each user, and its authority is independent, can guarantee the security of system.

The invention has the beneficial effects as follows: owing to designing and having applied a kind of operation of power networks Risk-warning analytic system:

1. avoid and reduce security incident, by operation of power networks situation is carried out to real-time analysis computing, the electric power safety accident that may exist is carried out early warning notice, with the form of note or mail, informs relevant staff.Avoid the generation of safe operation of electric network accident, the economic loss that minimizing may cause.

2. auxiliary formulate the plan that has a power failure, by the simulation operation that has a power failure, the switching manipulation of simulation is carried out to analytic operation, simulated operation is simulated the relevant information of existing load distribution and user distribution, reach minimum electricity consumer power failure mode and carry out power failure and operate.By having a power failure, the economic loss of bringing is reduced to minimum.

3. power supply interrupted district is located fast, and auxiliary rapid rush-repair is by the remote signalling of dispatching system, and telemetry, determines power supply interrupted district in time, and the equipment situation of whole power failure range of influence is shown, analyzes and produces the reason having a power failure, and auxiliary leader formulates best Rush Repair Scheme.

4. assist and carry out Electric Power Network Planning from user perspective, the historical data that electrical network user distribution, load are distributed is carried out mining analysis, by effective predicting means, helps planning personnel to carry out following Electric Power Network Planning enlarging.

5. the work efficiency that improves employee is comprehensively analyzed in trans-sectoral business, by circuit query under user, and the inquiry of circuit amount, transformer station's load distributes to wait and analyzes the work efficiency that improves greatly staff.For example: the situation if the user that yardman need to report certain section of circuit classifies before, need to login plural operation system, carry out the statistical computation of craft coupling, and the one-touch Excel that only need to cross now native system assay surface derives and just can easily complete; If certain client breaks down while carrying out troubleshooting, need to coordinate a plurality of departments and carry out line location, and only need key in user's name by native system now, click search and can obtain user place circuit and relevant information at once.

6. by the data combing of multiservice system, check, significantly improve the quality of data, build up the lateral direction penetrating of operation system data, for more providing data to guarantee across service application.

Accompanying drawing explanation: Fig. 1 is operation function structural drawing of the present invention

Fig. 2 is early warning analysis process flow diagram of the present invention

Embodiment: embodiment 1: as shown in Figure 1 and Figure 2, this system is comprised of homepage, comprehensive analysis, operating analysis, safety analysis, data maintenance, rights management etc., and move and implement by operation of power networks unified data model, operation of power networks risk management system, early warning analysis construction, the constituted mode of this system is:

1. homepage: show the general status in current operation of power networks in mode intuitively to user, mainly shown that the current minimax load of electrical network, main power plant are when user's ratio and the load proportion of object load, 110KV and 22KV transformer station;

2. comprehensively analyze: show the information analysis of each device node of whole power system operating mode, comprising:

A. the method for operation and customer analysis, the method for operation of showing current electrical network with tree structure.User can clicks a certain device node, check the detailed operation information of this equipment;

B. circuit analysis, take voltage as user ratio, load proportion, the working capacity of index classification to whole circuits, analyzes;

C. transformer station analyzes, and take voltage as user's ratio, load proportion, the working capacity of index classification to transformer station's circuit, analyzes;

3. operating analysis: by the distribution situation of the method for operation and user, load, set up and understand fast whole operation of power networks general status, show the mutual search between circuit and electricity consumer, support fuzzy query, the information that user can will retrieve by input is located fast, comprising:

A. user's query analysis, provides this user place, quick location which bar circuit, can check the concrete supply path of this line user after click;

B. circuit query analysis, provides the number of users of circuit that quick understanding is paid close attention to, the concrete classification distribution situation that can check this line user after click;

C. user's classification analysis, shows the situation of individual node according to user's focus difference;

4. safety analysis: electric power safety incident classification is carried out to early warning analysis, outage analysis, crash analysis, comprising:

A. electric power netting safe running analysis, analyzes for the circuit having a power failure in current power system operating mode, the latent defect situation of prediction early warning electrical network;

B. operation of power networks crash analysis, carries out classification analysis to historical accident;

5. data maintenance: the device relationships being directed to after newly added equipment or transformer station's reconstruction is safeguarded, the equipment that can arrange is in existing equipment connection information, and line upkeep management, be used for safeguarding different device line information, can revise device type and the electric pressure of circuit, can also list all customer informations under circuit, the additions and deletions of carrying out customer information change looks into, to occurring inaccurate information in data, only need carry out simple certain operations at data maintenance interface and can revise at once;

6. rights management; Adopted the mode of bundle of permissions to carry out control and the role-security administrative mechanism of authority, rights management will be developed keeper, be used for specifying theme and menu in institute's access system of each user, and its authority is independent, can guarantee the security of system.

Embodiment 2: as shown in Figure 1 and Figure 2, described operation of power networks unified data model: be by production, dispatch, market three greatly independently operation system carry out being related to combing, the a set of relational model of independent design, make production equipment information, dispatching running way, marketing user data form incidence relation, meet linkage analysis requirement, guarantee effective storage of data, efficiently available, for system Construction is carried out Data safeguard.

Embodiment 3: as shown in Figure 1 and Figure 2, described operation of power networks risk management system is extracted and carried out data model generation by ETL, comprising:

1. data pick-up:

Extraction step is responsible for the required data in production data center to extract from data source, due to the data in each data source and quality different, therefore for each data source, may need to set up and independently extract separately flow process, its object is data extract out and send cleaning and the switch process data pick-up framework to by one group of general-purpose interface from data source;

2. data cleansing:

Data cleansing flow process is responsible for data clean and confirm, makes it to be consistent with quality with the desired data standard in production data center;

The design of data cleansing flow process can be divided into two classes: a class is the Special cleaning program of writing for specific transactions origin system, and another kind of is the universal program that is applicable to intracardiac cleaning demand in all kinds of service source systems and production data.Because the data that extract from origin system all exist inconsistency in various degree, therefore can be by checking with dependency rule and improving the quality of data.In addition,, because cleaning rule and the treatment scheme of a lot of service source systems are basic identical, therefore crucial cleaning function should be designed to general purpose function (meeting the cleaning demand of different business origin system by running parameter) to improve its reusability;

3. data-switching:

Switch process is responsible for data that origin system is extracted out operate or amplify.Flow path switch is the link that data are modified for the last time before entering production data center;

4. data load:

Load flow process and be responsible for data to be loaded in final data structure, these structures may be dimension tables, may be also fact table or transaction table etc.Key component in load step is surrogate pipeline, and in the tables of data that surrogate pipeline is mainly used in loading to complete, natural key replaces to surrogate.In surrogate pipeline, major key and the external key of dimension table are still retained, but for elevator system performance, and after completing and loading and finish, some constraint conditions will be removed and only retain nature key and carry out.

Embodiment 4: as shown in Figure 1 and Figure 2, described early warning analysis construction, the load occurring in Main Basis power system operating mode and user distribution change carries out computing, obtain the thin spot existing in current electrical network, and notify user, its early warning flow process is as follows: first select power system operating mode, when moving first, can directly enter neural network increment operation, the risk detecting is carried out to early warning issue; Enter afterwards normal monitoring flow process, as constant in the method for operation, hold mode monitoring, as change, entering neural network increment operation; After neural network increment operation, observe whether to reach early warning standard, as reach early warning standard and can carry out early warning information transmission, and early warning content is carried out to early warning record; As can carry out mutation analysis record while not reaching early warning standard.

Claims (4)

1. an operation of power networks Risk-warning analytic system, it is characterized in that this system is comprised of homepage, comprehensive analysis, operating analysis, safety analysis, data maintenance, rights management etc., and move and implement by operation of power networks unified data model, operation of power networks risk management system, early warning analysis construction, the constituted mode of this system is:

1. homepage: show the general status in current operation of power networks in mode intuitively to user, mainly shown user's ratio and the load proportion of load, 110KV and the 22KV transformer station on the current minimax load of electrical network, main power plant same day;

2. comprehensively analyze: show the information analysis of each device node of whole power system operating mode, comprising:

A. the method for operation and customer analysis, the method for operation of showing current electrical network with tree structure.User can clicks a certain device node, check the detailed operation information of this equipment;

B. circuit analysis, take voltage as user ratio, load proportion, the working capacity of index classification to whole circuits, analyzes;

C. transformer station analyzes, and take voltage as user's ratio, load proportion, the working capacity of index classification to transformer station's circuit, analyzes;

3. operating analysis: by the distribution situation of the method for operation and user, load, set up and understand fast whole operation of power networks general status, show the mutual search between circuit and electricity consumer, support fuzzy query, the information that user can will retrieve by input is located fast, comprising:

A. user's query analysis, provides this user place, quick location which bar circuit, can check this user's concrete supply path after click;

B. circuit query analysis, provides the number of users of circuit that quick understanding is paid close attention to, the concrete classification distribution situation that can check this line user after click;

C. user's classification analysis, shows the situation of individual node according to user's focus difference;

4. safety analysis: electric power safety incident classification is carried out to early warning analysis, outage analysis, crash analysis, comprising:

A. electric power netting safe running analysis, analyzes for the circuit having a power failure in current power system operating mode, the latent defect situation of prediction early warning electrical network;

B. operation of power networks crash analysis, carries out classification analysis to historical accident;

5. data maintenance: the device relationships being directed to after newly added equipment or transformer station's reconstruction is safeguarded, the equipment that can arrange is in existing equipment connection information, and line upkeep management, be used for safeguarding different device line information, can revise device type and the electric pressure of circuit, can also list all customer informations under circuit, the additions and deletions of carrying out customer information change looks into, to occurring inaccurate information in data, only need carry out simple certain operations at data maintenance interface and can revise at once;

6. rights management; Adopted the mode of bundle of permissions to carry out control and the role-security administrative mechanism of authority, rights management will be developed keeper, be used for specifying theme and menu in institute's access system of each user, and its authority is independent, can guarantee the security of system.

2. a kind of operation of power networks Risk-warning analytic system according to claim 1, it is characterized in that described operation of power networks unified data model: be by production, dispatch, market three greatly independently operation system carry out being related to combing, design a set of relational model, make production equipment information, dispatching running way, marketing user data form incidence relation, meet linkage analysis requirement, guarantee effective storage of data, efficiently available, for system Construction is carried out Data safeguard.

3. a kind of operation of power networks Risk-warning analytic system according to claim 1, is characterized in that described operation of power networks risk management system is extracted and carried out data model generation by ETL, comprising:

1. data pick-up:

Extraction step is responsible for the required data in production data center to extract from data source, due to the data in each data source and quality different, therefore for each data source, may need to set up and independently extract separately flow process, its object is data extract out and send cleaning and the switch process data pick-up framework to by one group of general-purpose interface from data source;

2. data cleansing:

Data cleansing flow process is responsible for data clean and confirm, makes it to be consistent with quality with the desired data standard in production data center;

The design of data cleansing flow process can be divided into two classes: a class is the Special cleaning program of writing for specific transactions origin system, and another kind of is the universal program that is applicable to intracardiac cleaning demand in all kinds of service source systems and production data.Because the data that extract from origin system all exist inconsistency in various degree, therefore can be by checking with dependency rule and improving the quality of data.In addition,, because cleaning rule and the treatment scheme of a lot of service source systems are basic identical, therefore crucial cleaning function should be designed to general purpose function (meeting the cleaning demand of different business origin system by running parameter) to improve its reusability;

3. data-switching:

Switch process is responsible for data that origin system is extracted out operate or amplify.Flow path switch is the link that data are modified for the last time before entering production data center;

4. data load:

Load flow process and be responsible for data to be loaded in final data structure, these structures may be dimension tables, may be also fact table or transaction table etc.Key component in load step is surrogate pipeline, and in the tables of data that surrogate pipeline is mainly used in loading to complete, natural key replaces to surrogate.In surrogate pipeline, major key and the external key of dimension table are still retained, but for elevator system performance, and after completing and loading and finish, some constraint conditions will be removed and only retain nature key and carry out.

4. a kind of operation of power networks Risk-warning analytic system according to claim 1, it is characterized in that described early warning analysis construction, the load occurring in Main Basis power system operating mode and user distribution change carries out computing, obtain the thin spot existing in current electrical network, and notify user, its early warning flow process is as follows: first select power system operating mode, when moving first, can directly enter neural network increment operation, the risk detecting is carried out to early warning issue; Enter afterwards normal monitoring flow process, as constant in the method for operation, hold mode monitoring, as change, entering neural network increment operation; After neural network increment operation, observe whether to reach early warning standard, as reach early warning standard and can carry out early warning information transmission, and early warning content is carried out to early warning record; As can carry out mutation analysis record while not reaching early warning standard.

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