CN105116291A

CN105116291A - Power grid operating steady state monitoring information-based fault diagnosis system and method

Info

Publication number: CN105116291A
Application number: CN201510564065.3A
Authority: CN
Inventors: 张剑; 戴则梅; 高宗和; 闪鑫; 陆进军; 钱江峰; 陈美�; 李俊; 陈方之; 邓厚兵; 戎春园; 黄集贤; 吴清泉; 邓朝翥; 苏晓; 郭铭桂; 钟晖; 宾海东
Original assignee: Nari Technology Co Ltd; NARI Nanjing Control System Co Ltd; Nanning Bureau of Extra High Voltage Power Transmission Co
Current assignee: Nari Technology Co Ltd; NARI Nanjing Control System Co Ltd; Nanning Bureau of Extra High Voltage Power Transmission Co
Priority date: 2015-09-07
Filing date: 2015-09-07
Publication date: 2015-12-02
Anticipated expiration: 2035-09-07
Also published as: CN105116291B

Abstract

The invention discloses a power grid operating steady state monitoring information-based fault diagnosis system and method. The system includes a data interface module, a data receiving preprocessing module, an equipment status on-line monitoring module, a signal analysis integration module, a fault logistic diagnosis module and a fault alarm control module; and the above six modules, based on functional division and mutual coordination, jointly complete power grid on-line fault diagnosis. According to the diagnosis method, power grid operating steady state monitoring information is obtained from a power grid regulation and control center monitoring system; the information is initially checked according to preset filtering rules, and the information is processed so as to form equipment fault analysis data information; and based on primary equipment measurement sampling, abrupt change and topological structure change, fault on-line diagnosis can be realized through adopting a local network topology analysis method and a logic-based fault diagnosis method. The diagnosis system provided by the invention has the advantages of high real-time performance and comprehensive diagnosis range. The diagnosis method is simple and flexible, and has high practicability and adaptability.

Description

A kind of fault diagnosis system based on operation of power networks stable state monitor message and method

Technical field

The present invention relates to fault diagnosis, particularly relate to a kind of fault diagnosis system based on operation of power networks stable state monitor message and method, belong to electric network failure diagnosis technical field.

Background technology

In existing various electric network failure diagnosis system and method, mostly still adopt the fault data file of simulation or the artificial mode deriving off-line data file in a period of time before and after fault from energy management system, for electric network failure diagnosis system provides fundamental analysis data, carry out the fault diagnosis under off-line mode, this method because effectively obtaining all kinds of real time datas before and after electric network fault needed for fault diagnosis system, thus cannot meet the requirement of fault diagnosis for real-time.In addition, though various method possesses higher theoretical foundation, but the assumed condition involved by inside too much and test and running environment too idealized, the fault-tolerance of algorithm and adaptability are all difficult to ensure, therefore mostly also rest on theoretical research stage, the requirement of fault diagnosis practicality cannot be met.Owing to there is above-mentioned deficiency in existing electric network failure diagnosis system and method, cause in the power grid regulation central monitor system of reality, using these system and methods to carry out powernet fault diagnosis.

Along with the iterative method of the every Scheduling Core business of continuous lifting and State Grid Corporation of China of power system dispatching automation technique level, power grid regulation center at different levels is all generally equipped with electrical network supervisory and control system, realizes the synthetical collection to Power System Steady-state monitor data information, storage and unified access; Operation of power networks stable state monitor message send the features such as speed is fast, easily acquisition, supervision broad covered area on having, can for realizing providing required data message based on the fault diagnosis of operation of power networks stable state monitor message at regulation and control central side, utilize it to carry out on-line fault diagnosis and there is the advantages such as data stabilization, real-time is good, diagnostic area is comprehensive, and owing to not relying on information that in system, other each application module the provides input source as fault diagnosis, therefore desired data is reliably relatively independent.

Based on the problems referred to above, the real-time how utilizing operation of power networks stable state monitor message self to possess and reliability, a kind of electric network failure diagnosis system and method based on operation of power networks stable state monitor message is provided, overcoming the deficiency of existing system and method, is those skilled in the art's technical issues that need to address.

Summary of the invention

Fundamental purpose of the present invention is, overcome deficiency of the prior art, a kind of fault diagnosis system based on operation of power networks stable state monitor message and method are provided, realize powernet fault diagnosis, system data is reliable and stable, real-time good, and diagnostic result is accurate, diagnostic area is comprehensive, system cloud gray model is quick, flexible, and the system Construction cycle is short, has the value in industry.

In order to achieve the above object, the technical solution adopted in the present invention is:

A kind of fault diagnosis system based on operation of power networks stable state monitor message provided by the invention, comprise data interface module, data receiver pretreatment module, equipment state in-service monitoring module, signal analysis integrate module, fault logic diagnostic module and fault warning control module, described data interface module comprises Real-time data interface, primary equipment data-interface and fault output interface.

Wherein, described Real-time data interface is for receiving from the real time data information in power grid regulation central monitor system operation of power networks stable state monitor message, described primary equipment data-interface is for obtaining from the primary equipment data message in power grid regulation central monitor system operation of power networks stable state monitor message, fault diagnosis result for receiving the fault diagnosis result exported from fault warning control module, and is sent to monitoring alarm interface by described fault output interface.

And, described data receiver pretreatment module is connected with power grid regulation central monitor system by Real-time data interface, for carrying out initial survey to real time data information according to filtering rule, by the invalid warning information of filtering, retain effective warning information, effective warning information is sent to signal analysis integrate module; Described equipment state in-service monitoring module is connected with power grid regulation central monitor system by primary equipment data-interface, for carrying out the judgement of the statistics of topologies change, the sampling of measurement information and sudden change to primary equipment, sample information write binary data file will be measured, by topologies change and measurement abrupt information write Data buffer simultaneously.

Meanwhile, described signal analysis integrate module is connected with fault logic diagnostic module by Data buffer, exporting Data buffer to, carrying out data call for fault logic diagnostic module for effective warning information being organized into primary equipment fault analysis data message; Described fault logic diagnostic module is for the topologies change extracted in Data buffer and the measurement sample information measured in abrupt information, binary data file, adopt Local network topology analytical approach, and carry out inline diagnosis acquisition fault diagnosis result in conjunction with the method for diagnosing faults of logic-based, diagnostic result is exported to fault warning control module; Described fault warning control module is connected with power grid regulation central monitor system by fault output interface, alarm range of control whether is met for verifying fault diagnosis result, to the fault diagnosis result of range of control be met according to alarm control mode, be sent to the monitoring alarm interface of power grid regulation central monitor system through fault output interface, carry out man-machine interface displaying.

Fault diagnosis system of the present invention is set to further: described real time data information comprises the switch remote signalling displacement and SOE information, the protection remote signalling displacement transmitted in real time by Operation of Electric Systems 104 stipulations and SOE information, operation of power networks and operation information that are transmitted in real time by Operation of Electric Systems 104 stipulations; Described operation of power networks and operation information comprise that equipment is listed, switch remote control, manually suppress, suppress information, AVC (electrical network automatism voltage control) action message; Described primary equipment data message comprises electrical network primary equipment topology information and electrical network primary equipment measures sample information.

The present invention also provides a kind of method for diagnosing faults based on operation of power networks stable state monitor message, comprises the following steps:

1) data receiver pretreatment module is sent to by Real-time data interface receiving real-time data information, by data receiver pretreatment module, initial survey is carried out to real time data information, according to the filtering rule preset, the invalid warning information of automatic fitration, retain effective warning information, effective warning information is sent to signal analysis integrate module;

2) obtain primary equipment data message by primary equipment data-interface and be sent to equipment state in-service monitoring module, by equipment state in-service monitoring module real-time statistics primary equipment topologies change, carry out measure sampling and sudden change judgement, and sample information write binary data file will be measured, by topologies change and measurement abrupt information write Data buffer;

3) carry out analyzing to effective alarm signal by signal analysis integrate module and process with integrating, sorted from small to large by the sequencing of signal analysis integrate module according to signal forming time, and automatically extract by gap periods, integrate and form primary equipment fault analysis data message, primary equipment fault analysis data message is sent to Data buffer;

4) primary equipment fault analysis data message, topologies change and the measurement abrupt information in Data buffer is automatically extracted by fault logic diagnostic module, and the measurement sample information in binary data file, adopt Local network topology analytical approach, and in conjunction with the method for diagnosing faults of logic-based, realize on-line fault diagnosis, obtain fault diagnosis result; The method for diagnosing faults of described logic-based comprises Circuit fault diagnosis logic, main transformer diagnosis logic and bus-bar fault diagnostic logic;

5) fault diagnosis result is obtained by fault warning control module from fault logic diagnostic module, whether verification fault diagnosis result meets alarm range of control, and will the fault diagnosis result information of range of control be met as fault warning information, according to alarm control mode, the monitoring alarm interface of power grid regulation central monitor system is sent to through fault output interface, carry out man-machine interface displaying, the fault warning information spinner of displaying will comprise that fault-time, faulty equipment, fault are separate, reclosing action situation.

Diagnostic method of the present invention is set to further: described step 1) in filtering rule comprise, alarm suppression of listing, all data judge, switch alarm suppresses, day signalizing activity number of times, switch manual remote control, AVC control switch automatically, turnaround plan, artificial rule arrange and suppress alarm zone of responsibility.

Diagnostic method of the present invention is set to further: described step 2) in equipment state in-service monitoring module carry out measuring sampling and measure the configuration parameter that sudden change adopts when judging and comprise, maximum size, lower bound of capacity, the electric pressure upper limit, electric pressure lower limit, the plant stand electric pressure upper limit, plant stand electric pressure lower limit, plant stand type, plant stand title, device type, device name, measurement parameters, whether suddenly change, settings that suddenly change, whether judgement in whole minute, the Value Types that suddenlys change, sudden change value and drift value of suddenling change.

Diagnostic method of the present invention is set to further: described step 4) in Local network topology analytical approach comprise step and have:

4-1) carry out topology search according to switch remote signalling/SOE, obtain the suspected fault primary equipment set be associated with step switch, called after set A;

4-2) by topologies change data, the state that obtains is primary equipment set from charged to uncharged, called after set B;

4-3) by obtaining set A and the union of set B, i.e. A ∪ B, obtain gathering C, i.e. C=A ∪ B; Data in set C are inputed to the method for diagnosing faults functional module of logic-based in fault logic diagnostic module as input data source.

Diagnostic method of the present invention is set to further: described step 4) in Circuit fault diagnosis logic comprise step and have:

4a-1) carry out logistic diagnosis based on the protection act of the switch motion of circuit side, side, these three conditions of the total action of plant stand accident of side; When under the precondition meeting the switch motion of circuit side, if meet any one condition in these two conditions of the total action of plant stand accident of the protection act of side, side, line failure can be judged;

These two conditions of switch motion 4a-2) based on the switch motion of circuit side, opposite side carry out logistic diagnosis; When to meet simultaneously the switch motion of circuit side, opposite side this two conditions of switch motion time, can line failure be judged;

4a-3) carry out logistic diagnosis based on the protection act of the switch motion of circuit side, opposite side, these three conditions of the total action of plant stand accident of opposite side; When under the precondition meeting the switch motion of circuit side, if meet any one condition in these two conditions of the total action of plant stand accident of the protection act of opposite side, opposite side, line failure can be judged.

Diagnostic method of the present invention is set to further: described step 4) in main transformer diagnosis logic to comprise main transformer be the diagnosis logic that becomes of two volumes and the diagnosis logic that becomes into three volumes of main transformer;

Described main transformer is that the diagnosis logic that two volumes become comprises step and has:

4b-1) carry out logistic diagnosis based on the action of main transformer high side switch, main transformer protection action, these three conditions of the total action of main transformer place plant stand accident; When under the precondition meeting the action of main transformer high side switch, if meet any one condition in main transformer protection action, these two conditions of the total action of main transformer place plant stand accident, can judge that main transformer breaks down;

4b-2) measure sudden change based on the action of main transformer high side switch, the action of main transformer low-side switch, main transformer high-pressure side, main transformer high-pressure side measures sampled value this four conditions that make zero and carry out logistic diagnosis; When meeting the action of main transformer high side switch simultaneously, the action of main transformer low-side switch, main transformer high-pressure side measure sudden change, main transformer high-pressure side measure sampled value make zero this four conditions time, can judge that main transformer breaks down;

Described main transformer is that the diagnosis logic that three volumes become comprises step and has:

4b-3) carry out logistic diagnosis based on the action of main transformer high side switch, the switch motion of main transformer medium voltage side, main transformer protection action, these four conditions of the total action of main transformer place plant stand accident; When under the precondition meeting the action of main transformer high side switch or the switch motion of main transformer medium voltage side, if meet any one condition in main transformer protection action, these two conditions of the total action of main transformer place plant stand accident, can judge that main transformer breaks down;

4b-4) measure sudden change based on the action of main transformer high side switch, the medium/low pressure side switch motion of main transformer, main transformer high-pressure side, main transformer high-pressure side measures sampled value this four conditions that make zero and carry out logistic diagnosis; When meeting the action of main transformer high side switch simultaneously, the medium/low pressure side switch motion of main transformer, main transformer high-pressure side measure sudden change, main transformer high-pressure side measure sampled value make zero this four conditions time, can judge that main transformer breaks down.

Diagnostic method of the present invention is set to further: described step 4) in bus-bar fault diagnostic logic comprise step and have:

4c-1) carry out logistic diagnosis based on the connecting valve action of bus institute, bus protection actuating signal, these three conditions of the total action of bus place plant stand accident; When under the precondition meeting the connecting valve action of bus institute, if meet any one condition in bus protection actuating signal, these two conditions of the total action of bus place plant stand accident, can judge that bus breaks down;

4c-2) measure sudden change based on the connecting valve action of bus institute, busbar voltage, busbar voltage measures sampled value this three conditions that make zero and carry out logistic diagnosis; When meeting the connecting valve action of bus institute simultaneously, busbar voltage measures sudden change, busbar voltage measure sampled value make zero this three conditions time, can judge that bus breaks down.

Diagnostic method of the present invention is set to further: described step 5) in alarm range of control and alarm control mode adopt the control field of user preset, described control field comprises equipment upper voltage limit, equipment lower voltage limit, zone name, plant stand upper voltage limit, plant stand lower voltage limit, plant stand type, plant stand title, device type and device name totally nine alarm range field, and whether alarm, whether voice, whether push away picture and whether on send totally four alarm control mode fields.

Compared with prior art, the beneficial effect that the present invention has is:

1, on the basis of existing power grid regulation central monitor system, design and create fault diagnosis system, be total to the setting of six functions module by data interface module, data receiver pretreatment module, equipment state in-service monitoring module, signal analysis integrate module, fault logic diagnostic module and fault warning control module and mutually share out the work and help one another, realizing powernet fault diagnosis; Based on the operation of power networks stable state monitor message in power grid regulation central monitor system, because the desired data rate of information throughput is fast, easily obtain, broad covered area, thus realize on-line fault diagnosis and have that data are reliable and stable, real-time good, the diagnostic area plurality of advantages such as accurate comprehensively.

2, by the special and setting of Data buffer at a high speed, realize the fast processing of system data, storage, to call and interactive access flexibly; And adopt the mode by measuring sample information write binary data file, the significantly real-time of elevator system, meet inner storage and requirements for access primary equipment high-frequency being measured to sampled data of diagnostic system.

3, the construction of fault diagnosis system is carried out based on existing power grid regulation central monitor system, build fault diagnosis system can according to operation of power networks stable state monitor message before and after fault provide in real time and primary equipment data message, realize the fault diagnosis of logic-based, not only the engineering construction cycle is short, construction rapidly and efficiently, and fault diagnosis is practical, applied widely.

Foregoing is only the general introduction of technical solution of the present invention, and in order to clearer understanding technological means of the present invention, below in conjunction with accompanying drawing, the invention will be further described.

Accompanying drawing explanation

Fig. 1 is the structural representation of the fault diagnosis system that the present invention is based on operation of power networks stable state monitor message;

Fig. 2 is structure and the data interaction process flow diagram of fault logic diagnostic module in fault diagnosis system of the present invention.

Embodiment

Below in conjunction with Figure of description, the present invention is further illustrated.

A kind of fault diagnosis system based on operation of power networks stable state monitor message as shown in Figure 1, comprise data interface module, data receiver pretreatment module, equipment state in-service monitoring module, signal analysis integrate module, fault logic diagnostic module and fault warning control module, described data interface module comprises Real-time data interface, primary equipment data-interface and fault output interface.

Described Real-time data interface is for receiving from the real time data information in power grid regulation central monitor system operation of power networks stable state monitor message, and described real time data information comprises the switch remote signalling displacement and SOE information, the protection remote signalling displacement transmitted in real time by Operation of Electric Systems 104 stipulations and SOE information, operation of power networks and operation information that are transmitted in real time by Operation of Electric Systems 104 stipulations; Described operation of power networks and operation information comprise that equipment is listed, switch remote control, manually suppress, suppress information, AVC action message.

Described primary equipment data-interface is for obtaining from the primary equipment data message in power grid regulation central monitor system operation of power networks stable state monitor message, and described primary equipment data message comprises electrical network primary equipment topology information and primary equipment measures sample information.

Fault diagnosis result for receiving the fault diagnosis result exported from fault warning control module, and is sent to monitoring alarm interface by described fault output interface.

Described data receiver pretreatment module is connected with power grid regulation central monitor system by Real-time data interface, for carrying out initial survey to real time data information according to filtering rule, by the invalid warning information of filtering, retain effective warning information, effective warning information is sent to signal analysis integrate module.

Described equipment state in-service monitoring module is connected with power grid regulation central monitor system by primary equipment data-interface, is obtained the primary equipment data message comprising primary equipment topology information and measure sample information by primary equipment data-interface; Equipment state in-service monitoring module is used for the primary equipment data message obtained is carried out to the statistics of topologies change, measures the judgement of sampling and measurement sudden change, sample information will be measured with the high sample frequency write binary data file in 10 seconds, by topologies change relatively less for data volume daily in actual electric network and measurement abrupt information write Data buffer; Adopt different storage modes for different pieces of information, give full play to binary data file and each leisure of Data buffer stores and the advantage of read-write aspect, be convenient to carry out information interaction between subsequent module.

Described signal analysis integrate module is connected with fault logic diagnostic module by Data buffer, exporting Data buffer to, carrying out data call for fault logic diagnostic module for effective warning information being organized into primary equipment fault analysis data message.

Described fault logic diagnostic module is for the topologies change extracted in Data buffer and the measurement sample information measured in abrupt information, binary data file, adopt Local network topology analytical approach, and in conjunction with the method for diagnosing faults of logic-based, carry out inline diagnosis and obtain fault diagnosis result, fault diagnosis result is exported to fault warning control module.

Described fault warning control module is connected with power grid regulation central monitor system by fault output interface, alarm range of control whether is met for verifying fault diagnosis result, to the fault diagnosis result of range of control be met according to alarm control mode, be sent to the monitoring alarm interface of power grid regulation central monitor system through fault output interface, carry out man-machine interface displaying.

The present invention also provides the application fault diagnosis system based on operation of power networks stable state monitor message as shown in Figure 1 to carry out the diagnostic method of on-line fault diagnosis, comprises the following steps:

2) obtain primary equipment data message by primary equipment data-interface and be sent to equipment state in-service monitoring module, by equipment state in-service monitoring module real-time statistics primary equipment topologies change, carry out measure sampling and measure sudden change judgement, and sample information write binary data file will be measured, by topologies change and measurement abrupt information write Data buffer;

3) carry out analyzing to effective alarm signal by signal analysis integrate module and process with integrating, sorted from small to large by the sequencing of signal analysis integrate module according to signal forming time, and automatically extract by gap periods (15 seconds), comprehensive warning information is processed further and integrates and form primary equipment fault analysis data message, primary equipment fault analysis data message is sent to Data buffer;

Step 1) be data receiver pretreatment stage, by the setting of independently data receiver pretreatment module, can guarantee that process is fast, and the effective warning information needed for obtaining, reduce the data volume of consequent malfunction diagnosis; On off state change (automatic or manual operation) in existing electrical network, protective device test, overhaul of the equipments or stoppage in transit according to plan, AVC (automatism voltage control) adjustment etc. all can cause regulation and control central monitor system to receive all kinds of warning information uploaded substation endlessly; but in fact electrical network most moment is in normal operating condition; fault is not there is, so it is necessary and important that the warning information numerous and diverse to multiple types carries out pre-service in system.Default filtering rule is wherein adopted to comprise, list alarm suppression, all data judges, switch alarm suppresses, day signalizing activity number of times, switch manual remote control, AVC control switch automatically, turnaround plan, artificial rule arrange and suppress alarm zone of responsibility, as shown in table 1.

Rule numbers	Rule name	Remarks
			1	Alarm of listing suppresses	Many items chooses can be carried out
2	All data judges
			3	Switch alarm suppresses	Many items chooses can be carried out
4	Day signal number of times	Default value 20 times
			5	Switch manual remote control
6	AVC controls switch automatically
			7	Turnaround plan
8	Artificial rule is arranged
			9	Suppress alarm zone of responsibility	Many items chooses can be carried out

Table 1

Be described in further details for the various types of filtration rule described in table 1 below.

Rule numbers " 1 ", rule name is " alarm of listing suppression ": carry out artificial listing operation for by regulation and control operations staff to the electrical network primary equipment comprising switch, power grid regulation central monitor system produce and to list device-dependent all kinds of alarm signal, the invalid warning information that the equipment that all can be considered produces during listing, data receiver pretreatment module can be carried out active to this part alarm and monitored and filter; Wherein in artificial listing operation, the type of sign board mainly comprises several large classes such as " maintenance, ground connection, for subsequent use, short circuit, faults, stop transport, can not draw away, do not close, protect electric, power supply point ", " alarm of listing suppression " rule can carry out many items chooses in above-mentioned a few class sign board type, to determine to carry out active filtering to the sign board type of which kind of or which class selected.

Rule numbers " 2 ", rule name is " all data judgement ": due to reasons such as substation end supervisory system data acquisition exceptions, cause the on off state of on off state and the substation end physical device monitored in grid dispatching center supervisory system inconsistent, regulation and control central monitor system advance data acquisition module calls substation end actual switch quantity of state by timing, to reach the object initiatively upgrading regulation and control central monitor system on off state.Period, a large amount of switch remote signalling displacement separating brake information can be produced in regulation and control central monitor system, these information reality do not exist at substation end, for fault diagnosis system, carry out fault diagnosis based on this type of invalid warning information, more equipment warning information by mistake in reality, can be produced, severe jamming regulation and control operations staff monitor normally and operate, by arranging this rule, can effectively reduce fault misdescription rate, improving the correctness of fault diagnosis result.

Rule numbers " 3 ", rule name is " switch alarm suppression ": due to reasons such as substation end data acquisition abnormity or switch transmission tests, regulation and control central monitor system can receive a large amount of switch divide-shut brake signals, the normal alarm monitoring of interference operations staff, in this case, operations staff often initiatively takes artificial alarm to suppress operation to the switch of this type of frequent movement, with the warning information of mask switch, data receiver pretreatment module passes through Proactive traceback, monitor that the switch alarm of operations staff suppresses operation, the mistake alarm signal of switch is effectively filtered.

Rule numbers " 4 ", rule name is " day signal number of times ": due to substation end protective device, monitor operating system frequent start-stop, site test, the reasons such as operation, multiple switching and the protection act signal of same equipment can be produced in regulation and control central monitor system, for switch, to be correlated with operating standard according to electric system primary equipment, the permission breaks of switching devices explicitly call for, if frequently receive the repeatedly divide-shut brake actuating signal of same switch in the regulation and control central monitor system short time, data receiver pretreatment module programming count actuating signal, once meet and exceed the number of times (default value one day is 20 times) of setting, will automatically filter this signal, add up this switching signal action total degree simultaneously, and clearing is laid equal stress on new statistics in morning next day.

Rule numbers " 5 ", rule name is " switch manual remote control ": regulation and control central monitor system operations staff is often according to the requirement to power system operating mode, initiatively power system operating mode is adjusted, as fallen load, equipment stops the operations such as multiple labour, the manual remote control operation of operations staff to on-the-spot switch can be used as one of important means that above-mentioned power system operating mode adjusts, data receiver pretreatment module is by arranging this RuleOption, fault diagnosis system can be effectively avoided to cause normally having a power failure caused false alarm to grid equipment because the operation of switch manual remote control.

Rule numbers " 6 ", rule name is " AVC controls switch automatically ": what receive for regulation and control central monitor system triggers by AVC functional module voltage-regulation straighforward operation facility switching (such as capacity reactance device switch) the divide-shut brake signal produced, need for this kind of be not that breakdown switch trip signal caused by real equipment failure filters.

Rule numbers " 7 ", rule name is " turnaround plan ": carry out active filtering to the alarm signal that the equipment that there is turnaround plan produces during overhaul of the equipments, to exceeding turn(a)round, the device action signal recuperation namely outside turn(a)round is added up and pre-service normally.

Rule numbers " 8 ", rule name is " artificial rule is arranged ": provide Manual definition to carry out the function of active alarm shielding to equipment, mainly comprise by plant stand, primary equipment, shielding initial/termination time, screening type carry out (comprising by " time period, permanent and remove " three kinds of modes) setting of rule, such as:

A, Huang cross the Substation No.1 transformer 2014.10.52014.10.7 time period

Shield implication described in above-mentioned A specifically to can be described as: shield the relevant action information of No. 1 transformer during 2014.10.5 to 2014.10.7 of Huang Du transformer station;

B, Huang Du transformer station No. 2 transformers are permanent

Shield implication described in above-mentioned B specifically to can be described as: forever shield the relevant action information in No. 2 transformers of Huang Du transformer station at any time section;

C, Huang Du transformer station No. 3 transformers are removed

Shield implication described in above-mentioned C specifically to can be described as: remove No. 3 transformers of Huang Du transformer station and get rid of, namely recover normal Signal reception, statistical function.

Rule numbers " 9 ", rule name is " suppress alarm zone of responsibility ": the primary equipment action message in a certain class initiatively preset user or a few class alarm zone of responsibility is filtered, such as, filter all primary equipment actuating signals belonged in " maintenance zone of responsibility ".

Step 2) in equipment state in-service monitoring module mainly realize following three class functions:

1. primary equipment real-time measurement sampling;

By setting the primary equipments such as automatic packet of samples vinculum road, every 10 seconds or whole minute interval, main transformer, bus in interior real-time measurement information, and sampled data is stored in binary data file mode, history samples binary data file more than 20 minutes is deleted automatically simultaneously, to save disk storage space, improve data access efficiency;

2. primary equipment measures sudden change judgement;

Measure sample information according to primary equipment, the measurement change of adjacent double sampling point before and after being obtained by mathematic interpolation, and equipment measurement change being exceeded setting threshold values is recorded in Data buffer;

3. primary equipment topologies change statistics;

According to the topology status data programming count situation of change of double sampling point adjacent before and after equipment, and the primary equipment that topologies change occurs is recorded in Data buffer.

Below in conjunction with three class functions of equipment state in-service monitoring module, describe configuration parameter involved in each function and statistical method respectively in detail: described primary equipment real-time measurement sampling and measurement sudden change arbitration functions, configured by basic parameter, can realize only measuring the function of sampling and defining the association attributes that sampling measures to the primary equipment within the scope of configuration, effectively improve the efficiency of sampling and statistics; The configuration parameter adopted is as shown in table 2.

Numbering	Parameter name	Remarks
			1	Maximum size	Refer in particular to unit
2	Lower bound of capacity	Refer in particular to unit
			3	The electric pressure upper limit	Equipment
4	Electric pressure lower limit	Equipment
			5	The plant stand electric pressure upper limit
6	Plant stand electric pressure lower limit
			7	Plant stand type	Can many items chooses
8	Plant stand title	Quote from plant stand table
			9	Device type
10	Device name	Quote from equipment list
			11	Measurement parameters	Individual event is selected
12	Whether suddenly change	Two-value judges
			13	Sudden change is arranged	Two-value judges
14	Whether within whole minute, judge	Two-value judges
			15	Sudden change Value Types	Two-value judges
16	Sudden change value
			17	Sudden change drift value

Table 2

Configuration parameter as shown in table 2 mainly comprises: maximum size, lower bound of capacity, the electric pressure upper limit, electric pressure lower limit, the plant stand electric pressure upper limit, plant stand electric pressure lower limit, plant stand type, plant stand title, device type, device name, measurement parameters, whether suddenly change, whether the setting that suddenlys change, whole minute judge, sudden change Value Types, sudden change value and sudden change drift value.

Be described in further details for all kinds of parameter functions described in table 2 below.

Numbering " 1 ", parameter name be " maximum size ": refer in particular to here for sample or statistics equipment be genset when, this supervision generator capacity higher limit.

Numbering " 2 ", parameter name be " lower bound of capacity ": refer in particular to here for sample or statistics equipment be genset when, this supervision generator capacity lower limit.

Numbering " 3 ", parameter name is " the electric pressure upper limit ": the higher limit of the electrical network primary equipment electric pressure of supervision.

Numbering " 4 ", parameter name is " electric pressure lower limit ": the lower limit of the electrical network primary equipment electric pressure of supervision.

Numbering " 5 ", parameter name is " the plant stand electric pressure upper limit ": the higher limit of plant stand electric pressure belonging to the electrical network primary equipment of supervision.

Numbering " 6 ", parameter name is " plant stand electric pressure lower limit ": the lower limit of plant stand electric pressure belonging to the electrical network primary equipment of supervision.

Numbering " 7 ", parameter name is " plant stand type ": the plant stand type of supervision, can carry out individual event or many items chooses between the plant stand types such as wind park, thermal power plant, nuclear power plant and transformer station.

Numbering " 8 ", parameter name is " plant stand title ": the plant stand title monitoring plant stand, can carry out individual event selection in all plant stands of system.

Numbering " 9 ", parameter name is " device type ": the device type of surveillance equipment, can carry out individual event or many items chooses between main transformer, generator, bus, capacity reactance, main transformer and circuit.

Numbering " 10 ", parameter name is " device name ": the title of the primary equipment of supervision, can carry out individual event selection in the primary equipment of system.

Numbering " 11 ", parameter name is " measurement parameters ": the measurement type of adding up for marking equipment sampling and sudden change, individual event selection can be carried out between meritorious, idle, voltage, electric current, A phase current, B phase current, C phase current, support the selection of the multiple measurement type of sampling of the equipment such as circuit [meritorious/(phase-splitting) electric current], load [(phase-splitting) electric current], bus [voltage], main transformer [gain merit], unit [gain merit], this configuration parameter above-mentioned functions 1. with function 2. in all effective.

Numbering " 12 ", whether parameter name is " suddenling change ": can select between the two in "Yes" and "No", whether carries out the judgement of Sudden Changing Rate for the measurement sampled value identified based on this equipment.

Numbering " 13 ", parameter name is " sudden change arrange ": this parameter only above-mentioned functions 2. in effectively, and can suddenly change between saltation zone and critically to select between the two, judge to measure the mode of suddenling change and taking for identifying, when selecting between saltation zone, indicate when the equipment difference measured between adjacent double sampling value is greater than sudden change (threshold) value, be judged as that this equipment there occurs and measure sudden change, when selecting sudden change critical, indicate the adjacent double sampling value of equipment, when the measuring value of previous sampled point is greater than sudden change (threshold) value, the measuring value of a rear sampled point is less than sudden change (threshold) value, namely judge that this equipment there occurs and measure sudden change, illustrate, (threshold) value of suddenling change is set to 3.5 (unit MW, megawatt), take critical Sudden Changing Rate determination methods of suddenling change, two adjacent sampled points, when the measurement numerical value of previous sampled point is 300 (higher than 3.5), when the measurement numerical value of a rear sampled point of next-door neighbour is 3.0 (lower than 3.5), can think that this equipment measures and there occurs sudden change.

Numbering " 14 ", whether parameter name is " whole minute judge ": only above-mentioned functions 2. in effectively, this parameter is mainly used to identify the sudden change judgement whether whole minute moment carried out adjacent two sampled points, select "Yes", namely carry out sudden change to judge for whole minute, measure sudden change and judge whether can undergo mutation (following fabs symbology asks for absolute value) according to following two kinds of mode judgment device simultaneously:

Fabs (measure for current whole minute adopt the current whole 10s of sample value – measure sampled value) > suddenlys change (threshold) value

Fabs (a upper whole 10s measures the current whole 10s of Cai Yang Zhi – and measures sampled value) > suddenlys change (threshold) value;

When selecting "No", namely do not carry out Sudden Changing Rate and judge for whole minute, only whether judgment device 10s measurement difference is greater than sudden change threshold value, and sudden change judgment principle is as follows:

Fabs (a upper whole 10s measures the current whole 10s of Cai Yang Zhi – and measures sampled value) > suddenlys change threshold value.

Numbering " 15 " and numbering " 16 ", parameter name is respectively " sudden change Value Types " and " sudden change value ": wherein " sudden change Value Types " is selected between the two at " number percent " and " numerical value ", when " sudden change Value Types " selection " number percent ", the numerical value that the sudden change value that identifier number is " 16 " is filled in is number percent, fill out value for sudden change value and account for the percentage of ratings; When " sudden change Value Types " selection " numerical value ", what the sudden change value of identifier number " 16 " was filled in is actual numerical value, unit is MW (megawatt), the actual effect that rises be mode by taking to arrange " sudden change Value Types ", indirectly control the type of " the sudden change value " of filling in.

Numbering " 17 ", parameter name is " sudden change drift value ": the practical function that this configuration parameter plays is " the sudden change value " that control is numbered " 16 ", to it fill in the verifying function of value, be mainly used in avoiding equipment sudden change value too small in physical fault diagnosis, equipment is caused frequently to meet sudden change conditions, when " the sudden change value " that be numbered " 16 " is less than " the sudden change drift value " of numbering " 17 ", automatically " sudden change value " size is set to " sudden change drift value ".

When reality occurs that in layoutprocedure certain equipment meets many configuration records simultaneously, namely when there is competitive relation in configuration result, configuration parameter priority sequence principle below should be observed:

Device name > device type > plant stand title > plant stand type > plant stand electric pressure upper limit > plant stand electric pressure lower limit > equipment upper voltage limit > equipment lower voltage limit > maximum size (unit) > lower bound of capacity (unit).

According to the above-mentioned typical arrangement example described each parameter concrete configuration, as shown in table 3 below:

Table 3

As shown in Figure 2, describe the mutual and fault logic of fault logic diagnostic module and the data message between signal analysis integrate module and equipment state in-service monitoring two modules and diagnose built in diagnostics treatment scheme; Fault logic diagnostic module is most critical, most important module in whole fault diagnosis system.

Fault logic diagnostic module obtains signal analysis integrate module by the cycle and is sent to Data buffer and comprises switch and protection information in interior operation of power networks stable state monitor message, the electrical network primary equipment information of equipment state in-service monitoring module stores in Data buffer and binary data file, adopt Local network topology analytical approach, simultaneously in conjunction with switch, protection act, measure sampling, measure the operation of power networks stable state monitor messages such as sudden change and topologies change, to comprising circuit, main transformer and all kinds of electrical network primary equipment of bus are in conjunction with the method for diagnosing faults of logic-based, online comprehensive diagnos is carried out to fault, the fault diagnosis result of acquisition is sent to fault warning control module.

As seen from Figure 2, input data source in fault logic diagnostic module needed for Local network topology analytical approach is be stored in switch remote signalling/SOE in Data buffer and primary equipment topologies change information, its principle of work is: first, topology search is carried out according to switch remote signalling/SOE, obtain the suspected fault primary equipment set be associated with step switch, called after set A; Secondly, by topologies change data, the state that obtains is primary equipment set from charged to uncharged, called after set B; Again, by obtaining the union of set A and set B, i.e. A ∪ B, obtain gathering C, i.e. C=A ∪ B; Data in set C are inputed to the method for diagnosing faults functional module of logic-based in fault logic diagnostic module as input data source.

The method for diagnosing faults functional module of logic-based, by all kinds equipment fault diagnosis logic of inner setting, combines the suspected fault primary equipment in set C simultaneously, carries out synthetic determination to device fails, finally obtain the conclusion information diagnosed.All kinds equipment fault diagnosis rule can contain all primary equipments of electrical network, as main transformer, generator, bus, circuit, capacity reactance, switch etc., the main primary equipment important with class a few in electrical network below, circuit, main transformer, bus are that example illustrates diagnosis logic.

Described step 4) in Circuit fault diagnosis logic comprise step and have:

4a-1) carry out logistic diagnosis based on the protection act (remote signalling/SOE) of circuit side switch motion (remote signalling/SOE), side, these three conditions of the total action of plant stand accident (remote signalling/SOE) of side; When under the precondition meeting circuit side switch motion (remote signalling/SOE), if meet any one condition in these two conditions of the total action of plant stand accident (remote signalling/SOE) of the protection act (remote signalling/SOE) of side, side, line failure can be judged;

These two conditions of switch motion (remote signalling/SOE) 4a-2) based on circuit side switch motion (remote signalling/SOE), opposite side carry out logistic diagnosis; When to meet simultaneously circuit side switch motion (remote signalling/SOE), opposite side switch motion (remote signalling/SOE) this two conditions time, can line failure be judged;

4a-3) carry out logistic diagnosis based on the protection act (remote signalling/SOE) of circuit side switch motion (remote signalling/SOE), opposite side, these three conditions of the total action of plant stand accident (remote signalling/SOE) of opposite side; When under the precondition meeting circuit side switch motion (remote signalling/SOE); if meet any one condition in these two conditions of the total action of plant stand accident (remote signalling/SOE) of the protection act (remote signalling/SOE) of opposite side, opposite side, line failure can be judged.

Described step 4) in main transformer diagnosis logic to comprise main transformer be the diagnosis logic that becomes of two volumes and the diagnosis logic that becomes into three volumes of main transformer;

4b-1) carry out logistic diagnosis based on main transformer high side switch action (remote signalling/SOE), main transformer protection action (remote signalling/SOE), these three conditions of the total action of main transformer place plant stand accident (remote signalling/SOE); When under the precondition meeting main transformer high side switch action (remote signalling/SOE), if meet any one condition in main transformer protection action (remote signalling/SOE), these two conditions of the total action of main transformer place plant stand accident (remote signalling/SOE), can judge that main transformer breaks down;

4b-2) measure sudden change based on main transformer high side switch action (remote signalling/SOE), main transformer low-side switch action (remote signalling/SOE), main transformer high-pressure side, main transformer high-pressure side measures sampled value this four conditions that make zero and carry out logistic diagnosis; When meeting main transformer high side switch action (remote signalling/SOE) simultaneously, main transformer low-side switch action (remote signalling/SOE), main transformer high-pressure side measure sudden change, main transformer high-pressure side measure sampled value make zero this four conditions time, can judge that main transformer breaks down;

4b-3) carry out logistic diagnosis based on main transformer high side switch action (remote signalling/SOE), main transformer medium voltage side switch motion (remote signalling/SOE), main transformer protection action (remote signalling/SOE), these four conditions of the total action of main transformer place plant stand accident (remote signalling/SOE); When under the precondition meeting main transformer high side switch action (remote signalling/SOE) or main transformer medium voltage side switch motion (remote signalling/SOE), if meet any one condition in main transformer protection action (remote signalling/SOE), these two conditions of the total action of main transformer place plant stand accident (remote signalling/SOE), can judge that main transformer breaks down;

4b-4) measure sudden change based on main transformer high side switch action (remote signalling/SOE), the medium/low pressure side switch motion of main transformer (remote signalling/SOE), main transformer high-pressure side, main transformer high-pressure side measures sampled value this four conditions that make zero and carry out logistic diagnosis; When meeting main transformer high side switch action (remote signalling/SOE) simultaneously, the medium/low pressure side switch motion of main transformer (remote signalling/SOE), main transformer high-pressure side measure sudden change, main transformer high-pressure side measure sampled value make zero this four conditions time, can judge that main transformer breaks down.

Described step 4) in bus-bar fault diagnostic logic comprise step and have:

4c-1) carry out logistic diagnosis based on bus institute connecting valve action (remote signalling/SOE), bus protection actuating signal (remote signalling/SOE), these three conditions of the total action of bus place plant stand accident (remote signalling/SOE); When under the precondition meeting bus institute connecting valve action (remote signalling/SOE), if meet any one condition in bus protection actuating signal (remote signalling/SOE), these two conditions of the total action of bus place plant stand accident (remote signalling/SOE), can judge that bus breaks down;

4c-2) measure sudden change based on bus institute connecting valve action (remote signalling/SOE), busbar voltage, busbar voltage measures sampled value this three conditions that make zero and carry out logistic diagnosis; When meeting bus institute connecting valve action (remote signalling/SOE) simultaneously, busbar voltage measures sudden change, busbar voltage measure sampled value make zero this three conditions time, can judge that bus breaks down.

Be mainly used in verification fault diagnosis result based on the fault warning control module in the fault diagnosis system of operation of power networks stable state monitor message and whether meet alarm range of control, to the fault diagnosis result of range of control be met according to alarm control mode, be sent to the monitoring alarm interface of power grid regulation central monitor system through fault output interface, carry out man-machine interface displaying.By the control field according to user preset, realize the controlling functions to faulty equipment alarm scope and alarm mode; Control field comprises alarm range field and alarm mode field, as shown in table 4 below; Institute's fill substance in field 1 ~ 9 in table 4, specification and the alarm scope constraining faulty equipment; Institute's fill substance in field 10 ~ 13, carries out specification and constraint to the concrete alarm mode of faulty equipment.

Table 4

Be described in further details for all kinds of field parameter functions described in table 4 below.

Field " 1 ", parameter name is " equipment upper voltage limit ": the higher limit of electrical network primary equipment electric pressure, wherein unit electric pressure is as the criterion with the highest voltage level of plant stand, the 20kV unit of such as 500kV plant stand, and the equipment electric pressure of this unit should select 500kV.

Field " 2 ", parameter name is " equipment lower voltage limit ": the lower limit of electrical network primary equipment electric pressure, wherein unit electric pressure is as the criterion with the highest voltage level of plant stand.

Field " 3 ", parameter name is " zone name ": the administrative region belonging to electrical network primary equipment.

Field " 4 ", parameter name is " plant stand upper voltage limit ": the higher limit of plant stand electric pressure belonging to electrical network primary equipment.

Field " 5 ", parameter name is " plant stand lower voltage limit ": the lower limit of plant stand electric pressure belonging to electrical network primary equipment.

Field " 6 ", parameter name is " plant stand type ": can carry out individual event or many items chooses between the plant stand types such as wind park, thermal power plant, nuclear power plant and transformer station.

Field " 7 ", parameter name is " plant stand title ": plant stand Chinese, can carry out individual event selection in all plant stands of system.

Field " 8 ", parameter name is " device type ": primary equipment type, can carry out individual event or many items chooses, not select, give tacit consent to and be not restricted the type of equipment between main transformer, generator, bus, capacity reactance, main transformer and circuit.

Field " 9 ", parameter name is " device name ": primary equipment title, can carry out individual event selection in the primary equipment of system.

Field " 10 ", whether parameter name is " alarm ": select between "Yes" and "No" two, when selecting "Yes", indicate and need alarm, when selecting "No", indicate not alarm, but fault is still stored in System History storehouse, in order to carrying out retrieval and inquisition to historical failure information from now on.

Field " 11 ", whether parameter name is " voice ": select between "Yes" and "No" two, when selecting "Yes", indicate and need the phonic warning after carrying out fault to point out, when selecting "No", indicate not phonic warning, but fault is still stored in System History storehouse, in order to carrying out retrieval and inquisition to historical failure information from now on.

Field " 12 ", parameter name is " whether pushing away picture ": select between "Yes" and "No" two, when selecting "Yes", indicate the plant stand monitored picture needing automatically to release this faulty equipment place, when selecting "No", indicate and do not push away picture alarm, but fault is still stored in System History storehouse, in order to carrying out retrieval and inquisition to historical failure information from now on; The implication arranging this parameter is, for the low-voltage-grade equipment that some do not belong to local scheduling mechanism tune pipe, local regulation and control operations staff does not often need the failure condition paying close attention to this kind equipment.

Whether field " 13 " parameter name is " on send ": select between "Yes" and "No" two, when selecting "Yes", indicate and need this failure message active push to regulate and control central monitor system to upper level, when selecting "No", indicate that not pushing this failure message regulates and controls central monitor system to upper level, but fault is still stored in System History storehouse, in order to carrying out retrieval and inquisition to historical failure information from now on, the implication arranging this parameter is, for the equipment of some low-voltage-grades, according to schedule regulation, do not need to push to upper level regulation and control central monitor system.

For 13 field contents of table 4, there is following configuration condition:

A), after the amendment of arbitrary fields content configuration, at once come into force in fault diagnosis system;

B) arbitrary fields all configures, and is namely allly recorded as sky, then give tacit consent to the equal alarm of all devices;

C) be configured with recorded information, but faulty equipment does not meet any record, then this equipment not alarm;

If d) do not do requirement to the content of a certain field, can not fill out;

E) for circuit, as long as its either end meets alarm conditions, then this circuit alarm.

Content of filling out in field 1 ~ 9 in table 4, specification and constraint have been carried out to the alarm scope of faulty equipment, when certain equipment meets many configuration records simultaneously, namely when competitive relation appears in configuration result, its final alarm range of control is as the criterion with the record that priority level is the highest, namely should observe following alarm scope priority sequence principle:

Device name > device type > plant stand title > plant stand type > zone name > plant stand electric pressure upper limit > plant stand electric pressure lower limit > equipment upper voltage limit > equipment lower voltage limit.

Alarm example:

" struggle against southern 5265 lines " of 500kV electric pressure meets following several configuration records simultaneously:

(1) the equal alarm of 500kV equipment;

(2) 500kV plant stand alarm;

(3) circuit not alarm.

Then according to described alarm scope priority sequence principle, its priority orders should be: (3) > (2) > (1), this circuit final carries out alarm, i.e. " struggle against southern 5265 lines " not alarm of 500kV electric pressure according to the alarm range of control configured in above-mentioned (3) and mode.

More than show and describe ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.

Claims

1. the fault diagnosis system based on operation of power networks stable state monitor message, it is characterized in that: comprise data interface module, data receiver pretreatment module, equipment state in-service monitoring module, signal analysis integrate module, fault logic diagnostic module and fault warning control module, described data interface module comprises Real-time data interface, primary equipment data-interface and fault output interface;

Described Real-time data interface is for receiving from the real time data information in power grid regulation central monitor system operation of power networks stable state monitor message, described primary equipment data-interface is for obtaining from the primary equipment data message in power grid regulation central monitor system operation of power networks stable state monitor message, fault diagnosis result for receiving the fault diagnosis result information exported from fault warning control module, and is sent to monitoring alarm interface by described fault output interface;

Described data receiver pretreatment module is connected with power grid regulation central monitor system by Real-time data interface, for carrying out initial survey to real time data information according to filtering rule, the invalid warning information of filtering, retain effective warning information, and effective warning information is sent to signal analysis integrate module;

Described equipment state in-service monitoring module is connected with power grid regulation central monitor system by primary equipment data-interface, for carrying out the judgement of the statistics of topologies change, the sampling of measurement information and sudden change to primary equipment, sample information write binary data file will be measured, by topologies change and measurement abrupt information write Data buffer simultaneously;

Described signal analysis integrate module is connected with fault logic diagnostic module by Data buffer, exporting Data buffer to, carrying out data call for fault logic diagnostic module for effective warning information being organized into primary equipment fault analysis data message;

Described fault logic diagnostic module is for the topologies change extracted in Data buffer and the measurement sample information measured in abrupt information, binary data file, adopt Local network topology analytical approach, method for diagnosing faults simultaneously in conjunction with logic-based carries out inline diagnosis and obtains fault diagnosis result, diagnostic result is exported to fault warning control module;

2. a kind of fault diagnosis system based on operation of power networks stable state monitor message according to claim 1, it is characterized in that: described real time data information comprises the switch remote signalling displacement and SOE information that are transmitted in real time by Operation of Electric Systems 104 stipulations, the protection remote signalling displacement transmitted in real time by Operation of Electric Systems 104 stipulations and SOE information, operation of power networks and operation information; Described operation of power networks and operation information comprise that equipment is listed, switch remote control, manually suppress, suppress information, AVC action message;

Described primary equipment data message comprises electrical network primary equipment topology information and electrical network primary equipment measures sample information.

3. the diagnostic method of a kind of fault diagnosis system based on operation of power networks stable state monitor message according to claim 1, is characterized in that, comprise the following steps:

1) data receiver pretreatment module is sent to by Real-time data interface receiving real-time data information, by data receiver pretreatment module, initial survey is carried out to real time data information, according to the filtering rule preset, the invalid warning information of automatic fitration, retain effective warning information, and effective warning information is sent to signal analysis integrate module;

5) fault diagnosis result is obtained by fault warning control module from fault logic diagnostic module, whether verification fault diagnosis result meets alarm range of control, and will the fault diagnosis result information of range of control be met according to alarm control mode, be sent to the monitoring alarm interface of power grid regulation central monitor system through fault output interface, carry out man-machine interface displaying.

4. the diagnostic method of a kind of fault diagnosis system based on operation of power networks stable state monitor message according to claim 3, it is characterized in that: described step 1) in filtering rule comprise, alarm suppression of listing, all data judge, switch alarm suppresses, day signalizing activity number of times, switch manual remote control, AVC control switch automatically, turnaround plan, artificial rule arrange and suppress alarm zone of responsibility.

5. the diagnostic method of a kind of fault diagnosis system based on operation of power networks stable state monitor message according to claim 3, it is characterized in that: described step 2) in equipment state in-service monitoring module carry out measuring sampling and measure the configuration parameter that sudden change adopts when judging and comprise, maximum size, lower bound of capacity, the electric pressure upper limit, electric pressure lower limit, the plant stand electric pressure upper limit, plant stand electric pressure lower limit, plant stand type, plant stand title, device type, device name, measurement parameters, whether suddenly change, sudden change is arranged, whether within whole minute, judge, sudden change Value Types, sudden change value and sudden change drift value.

6. the diagnostic method of a kind of fault diagnosis system based on operation of power networks stable state monitor message according to claim 3, is characterized in that: described step 4) in Local network topology analytical approach comprise step and have:

7. the diagnostic method of a kind of fault diagnosis system based on operation of power networks stable state monitor message according to claim 3, is characterized in that: described step 4) in Circuit fault diagnosis logic comprise step and have:

8. the diagnostic method of a kind of fault diagnosis system based on operation of power networks stable state monitor message according to claim 3, is characterized in that: described step 4) in main transformer diagnosis logic to comprise main transformer be the diagnosis logic that becomes of two volumes and the diagnosis logic that becomes into three volumes of main transformer;

9. the diagnostic method of a kind of fault diagnosis system based on operation of power networks stable state monitor message according to claim 3, is characterized in that: described step 4) in bus-bar fault diagnostic logic comprise step and have:

10. the diagnostic method of a kind of fault diagnosis system based on operation of power networks stable state monitor message according to claim 3, it is characterized in that: described step 5) in alarm range of control and alarm control mode adopt preset control field, described control field comprises equipment upper voltage limit, equipment lower voltage limit, zone name, plant stand upper voltage limit, plant stand lower voltage limit, plant stand type, plant stand title, device type and device name be totally nine alarm range of control fields, and whether alarm, whether voice, whether push away picture and whether on send totally four alarm control mode fields.