CN102184203A - Method for constructing network reconfiguration database - Google Patents
Method for constructing network reconfiguration database Download PDFInfo
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- CN102184203A CN102184203A CN2011101069918A CN201110106991A CN102184203A CN 102184203 A CN102184203 A CN 102184203A CN 2011101069918 A CN2011101069918 A CN 2011101069918A CN 201110106991 A CN201110106991 A CN 201110106991A CN 102184203 A CN102184203 A CN 102184203A
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Abstract
The invention belongs to the field of power systems, and provides a method for constructing a network reconfiguration (FDIR (Fault Detection Isolation Recovery)) database. The network reconfiguration database (fdirdb) comprises a fault definition list, a trip signal list, a remote signaling condition list, a remote metering condition list, an alarm queue list, a strategy list, an instruction list, a global variable list and the like. Discrimination conditions of faults and specific contents of a control strategy are expressed by means of a relation list. Display information of a key frame is provided by the global variable list. In order to accurately express discrimination conditions of various faults and the specific contents of the control strategy, a plurality of relation lists such as fault-trip, fault-remote metering, strategy-instruction and the like are established, a fault-trip device, a fault-remote signaling device, a fault-remote metering device and a self-switching device in the relation lists correspond one to one, and a strategy-instruction relation is a corresponding instruction generated for realizing a reconfiguration scheme. When a database is designed and accessed, the problem of concurrent database reading of an upstream program and a downstream program is avoided, and integrity of original data is ensured.
Description
Technical field
The invention belongs to field of power, the method for a kind of building network reconstruct (FDIR) database is provided.
Background technology
Modern power systems is in service, and the electric system large area blackout is the problem that need attract great attention.In the last few years, electric system both at home and abroad caused very big infringement because repeatedly large area blackout once took place stability disruption to national economy, made society and people's lives be subjected to very big influence.The operation of assurance power system safety and stability prevents that large area blackout from being the urgent and great task that modern power systems faces.On the other hand,, how to take correct effective measures to dwindle the power failure scope as much as possible, shorten power off time, restore electricity early, become the problem of and prevention power system accident no less important in case electric system has an accident.
It is an extremely complicated real-time decision process that power system accident is handled, and has many probabilistic factors.Expert system is for the approach likely that provides is provided, this is the computer software that problem solving is carried out on the basis with domain-specialist knowledge and experience, has very big potentiality aspect complicated, uncertain information processing and the decision problem solving.
Fushun electrical network network reconfiguration needs to analyze: the Fushun electrical network is made up of 6 subnets, be respectively Li Shi stockaded village net, first imperial net, Hebei net, workers and peasants' net and plain net, east net, 66kV reaches and moves in the looped network mode with top always, has very big potential safety hazard, and several major accidents took place.Fushun electric company drops into substantial contribution power transmission sequence is transformed, and play some areas and realize separating network operation successively in April, 2003.After separating network operation, many important loads lack the support of many power supplys, will bring about great losses in case have an accident, and consequence is hardly imaginable.For guaranteeing under the power grid accident situation, responsible consumer reliably to be powered, can adopt the network reconfiguration way to solve a great difficult problem in this production.
After the on-the-spot telemechanical apparatus action, both transmitted information, also transmitted information simultaneously to the CC-2000 system to concentrator station.After failure message is received by current C C-2000 system, do not do the further processing of network reconfiguration aspect, do not possess function yet to relevant control device sending controling instruction.
In the implementation procedure of network reconfiguration software, need some information available are preserved, the storehouse of a preservation corresponding information so just must must be arranged, Here it is so-called network reconfiguration database.The network reconfiguration database part that in realizing the whole process of network reconfiguration, is absolutely necessary thus.
Summary of the invention
The invention provides a kind of method (fdirdb) of building network reconstructed database, comprise fault definition table, trip signal table, remote signalling condition table, telemetry condition table, alarm queue table, Policy Table, instruction list, global variable table etc.The criterion of fault and the particular content of control strategy are expressed by relation table.The display message of key frame is provided by the global variable table.
In order accurately to express the criterion of various faults and the particular content of control strategy, fault-tripping operation, fault-remote signalling, fault-remote measurement, strategy-a plurality of relation tables such as instruction have been set up.When the design of database and visit, should avoid the upstream and downstream program that the concurrent storehouse problem of writing takes place, guarantee the integrality of raw data.
Method according to a kind of building network reconstruct of the present invention (FDIR) database may further comprise the steps:
Step 1, according to the practical operation situation of electrical network, judge the fault that may occur under this method of operation, make the reconfiguration scheme that a cover is suitable for the network reconfiguration database according to certain form, with filling out library typical reconfiguration scheme is inserted the typical fault definition list then, the information that need fill in comprises that typical fault ID, the factory that typical fault is described, typical fault is affiliated stand and the expression of typical fault strategy;
Step 2, fill in the trip signal table, when system breaks down, just switch motion must be arranged, this trip signal table is exactly the switch of typical fault for triggering that is received in definition in the step 1, when in the trip signal table, switch motion occurring, will trigger reconfiguration program, the content that this typical fault definition list need be filled in comprises tripping operation expression, tripping operation description and the information that obtains from data acquisition and monitoring system (SCADA);
Step 3, fill in remote signalling condition table, remote signalling record in this remote signalling condition table is to be used for auxiliary network reconstruction condition information judged, the content that remote signalling condition table need be filled in comprises remote signalling sign, remote signalling description, status information and unavailable flag information all are to obtain from the data acquisition and monitoring system, corresponding remote signalling information is arranged as auxiliary, it is more accurate to make when judging whether to need network reconfiguration;
Step 4, fill in the telemetry condition table, tele rcording in this telemetry condition table is to be used for auxiliary network reconstruction condition information judged, the content that this table need be filled in comprises remote measurement sign, remote measurement description, numerical value and unavailable flag information all are to obtain from the data acquisition and monitoring system, corresponding remote signalling information is arranged as auxiliary, it is more accurate to make when judging whether to need network reconfiguration;
Step 5, fill in the alarm queue table, this alarm queue table is to receive the warning message that transmits from data acquisition and monitoring, whether need to do the network reconfiguration criterion in order to conduct, the content that this table need be filled in comprises the sign of reporting to the police, report to the police description, affiliated factory station identifications, alert data, time of fire alarming, time of reception, protection action and switch changed position information, corresponding remote signalling information is arranged as auxiliary, it is more accurate to make when judging whether to need network reconfiguration;
Step 6, fill in the control strategy table, this control strategy table is to be used to preserve the network reconfiguration control strategy, the network reconfiguration program need be shown content according to this and carry out the reconstruct mode, and the content that this table need be filled in comprises strategy sign, strategy description, the priority of strategy, attribute and whether available;
Step 7, fill in the steering order table, this steering order table is mainly used in preserves the restructuring directive relevant information, the direction of action that one or more switch is arranged, the content that this table need be filled in comprises the steering order sign and describes, step switch sign and description, the affirmation of switch, expection and three kinds of zone bits of locking;
Step 8, fill in the global variable table, before carrying out the network reconfiguration program, need in the global variable table, to insert earlier a record, the content that need fill in the global variable table comprises the sign description, execution time in cycle, the voice signal of zone bit, the dynamic effect of zone bit, the whether manual calculations of zone bit and zone bit whether calculate trend, other all be statistical information after executing the network reconfiguration program, this table shows the user to some important informations of network reconfiguration, this table comprise in have number of faults, the fault diagnosis number, the fault recovery number, the tripping operation number, instruction number, send number, failure identification, failure-description, the strategy sign, strategy is described, command identification, instruction description, the program start state, state description, acknowledging time, old data time, iteration time, working time, start-up time, concluding time and current time;
Step 9, fill in the automatic bus table, this table is used to fill in automatic throwing unloading device information, the record of filling in comprises all automatic bus in the reconstruct scope, the sign of automatic bus must be with on-the-spot consistent, and the content that this table need be filled in comprises sign, the description of automatic bus, the automatic bus throwing of automatic bus move back whether whether failure flags and automatic bus be available;
Step 10, structure relation table, this table comprises fault-tripping operation relation table, fault-remote signalling conditional relationship table, fault-telemetry condition relation table, strategy-instruction relation table and fault-automatic bus relation table, this relation table is safeguarded automatically by real-time dataBase system, need not user intervention;
Step 11, constructing system tester, the content remote signalling and the telemetry of this table, all from the remote signalling and the telemeter of system database, need take into full account the quality position when using the remote signalling telemeter, the main contents of this table comprise artificial set, bad data position, old data bit, whether out-of-limit judgement, unavailable zone bit and suspicious data zone bit.
Wherein, fault in the relation table in the step 10 and tripping operation, remote signalling, remote measurement and automatic bus are set up relation one to one, when fault takes place, need which switch of tripping operation, judge whether really to need to do reclosing operation by remote signalling in the relation table and remote measurement, fault and automatic bus relation table are when breaking down, and these automatic bus are to need action; Strategy-instruction relation table is to realize that corresponding instruction need take place a reconfiguration scheme.
The invention has the beneficial effects as follows: can preserve information such as failure message, tripping operation information, remote signalling information, telemetry intelligence (TELINT), warning message, control strategy, steering order, automatic bus, global variable according to the needs of this function, this database can make things convenient for user writable, and the efficient and convenient close friend that operates, all relation tables are safeguarded automatically by the real-time dataBase system of CC-2000 platform, be need not user intervention.
Embodiment
1 fault definition table
Table name: fault
[filling in a form for example]
Peace becomes main transformer #1 tripping operation fault, and assumed fault is designated hpfxf1, and factory's station identifications is heping (being consistent with system library st table), and corresponding strategy is designated hppxf1.
Filling method is as shown in the table:
| Sequence number | id | descr | st | policy_id | Other |
| 1 | hpfxf1 | Peace becomes main transformer #1 tripping operation | heping | hppxf1 |
2 trip signal tables
Table name: trip
| Attribute | Title | Type | Explanation |
| id | Sign | Character string | The tripping operation sign |
| descr | Describe | Character string | Tripping operation is described |
| almtime | Time of fire alarming | Character string | ＝alarmq→almtime |
| q_ACT | Action | Mask | |
| q_NIS | Unavailable | Mask | 0/1 (deny/being) |
[filling in a form for example]
Peace becomes in the criterion of main transformer #1 tripping operation fault (hpfxfl), and trip signal partly is: main transformer #1 both sides switch auxiliary contact becomes out the position by closing the position.The sign of supposing two trip signals is respectively hptsc01 and hptsc02 (being consistent with the alarmq table).
Filling method is as shown in the table:
3 remote signalling condition tables
Table name: condxp
| Attribute | Title | Type | Explanation |
| id | Sign | Character string | The remote signalling sign |
| descr | Describe | Character string | Remote signalling is described |
| q_STA | State | Mask | 0/1 (opening/close) |
| q_NIS | Unavailable | Mask | 0/1 (deny/being) |
[filling in a form for example]
Peace becomes in the criterion of main transformer #1 tripping operation fault (hpfxf1), and the remote signalling condition part is: main transformer #1 both sides switch is being opened the position.The remote signalling sign of supposing the both sides switch is respectively hpcb01s and hpcb02s (being consistent with system library point table).
Filling method is as follows:
| Sequence number | id | descr | q_STA |
| 1 | hpcb01s | Peace becomes main transformer #1 switch cb01 state | 0 |
| 2 | hpcb02s | Peace becomes main transformer #1 switch cb02 state | 0 |
4 telemetry condition tables
Table name: condxa
| Attribute | Title | Type | Explanation |
| Id | Sign | Character string | The remote measurement sign |
| Descry | Describe | Character string | Remote measurement is described |
| Mel | Relation | Character string | ＝，＞，＜，＞＝，＜＝，＜＞ |
| Value | Value | Floating-point | |
| q_NIS | Unavailable | Mask | 0/1 (deny/being) |
[filling in a form for example]
Peace becomes in the criterion of main transformer #1 tripping operation fault (hpfxf1), and telemetry condition partly is: the 66kV bus has voltage, no current, main transformer #2, #3 rated current.
Suppose that 66kV busbar voltage, current measurement sign are respectively hp66p and hp66c, main transformer #2, #3 current measurement are respectively hpxf2c and hpxf3c (being consistent with system library analog table).
Filling method is as follows:
| Sequence number | id | ?descr | mel | value |
| 1 | hp66p | Peace becomes main transformer #1-66kV busbar voltage | ＞ | 0 |
| 2 | hp66c | Peace becomes main transformer #1-66kV bus current | ＝ | 0 |
| 3 | hpxf2c | Peace becomes main transformer #2 electric current | ＝ | Rated current |
| 4 | hpxf3c | Peace becomes main transformer #3 electric current | ＝ | Rated current |
5 alarm queue tables
Table name: alarmq
[filling in a form for example]
Peace becomes in the criterion of main transformer #1 tripping operation fault (hpfxf1), and trip signal partly is: main transformer #1 both sides switch auxiliary contact becomes out the position by closing the position.That supposes two trip signals is designated hpt_sc01 and hpt_sc02, and the remote signalling sign of switch auxiliary contact is respectively hpsc01p and hpsc02p (being consistent with system library point table).
This table is filled in by receiving trip signal program (fdbf_alarmq) circulation.Filling method is as follows:
6 control strategy tables
Table name: policy
| Attribute | Title | Type | Explanation |
| id | Sign | Character string | The strategy sign |
| descr | Describe | Character string | Strategy is described |
| pri | Priority | Integer | |
| q_ATR | Attribute | Mask |
| q_NIS | Unavailable | Mask |
[filling in a form for example]
The control strategy that peace becomes main transformer #1 tripping operation fault (hpfxf1) is designated hppxf1.
Filling method is as follows:
| Sequence number | id | descr | Other |
| 1 | hppxf1 | Peace becomes main transformer #1 fail-safe control strategy |
7 steering order tables
Table name: inst
| Attribute | Title | Type | Explanation |
| id | Sign | Character string | Command identification |
| descr | Describe | Character string | Instruction description |
| cb_id | The switch sign | Character string | |
| cb_descr | Switch is described | Character string | |
| q_ACK | Confirm | Mask | |
| q_EXP | Expection | Mask | |
| q_LCK | Locking | Mask |
[filling in a form for example]
Peace becomes main transformer #1 tripping operation fault (hpfxf1), and steering order partly is: the peace of closing becomes two rivers 1,2 wiretaps, the workers and peasants that the close worker's wiretap that flattens.
Suppose that peace becomes two rivers 1,2 wiretaps sign and is respectively hpcb21, hpcb22, workers and peasants' worker's wiretap that flattens is designated gncb23 (being consistent with system library cb table).
Filling method is as shown in the table:
| id | descr | cb_id | cb_descr | q_EXP | Other |
| ccbhp21 | Close peace and become two rivers 1 wiretap | hpcb21 | Peace becomes two rivers 1 wiretap | 1 | |
| ccbhp22 | Close peace and become two rivers 2 wiretaps | hpcb22 | Peace becomes two rivers 2 wiretaps | 1 |
| ccbgn23 | Close workers and peasants' worker's wiretap that flattens | gncb23 | Workers and peasants' worker's wiretap that flattens | 1 |
8 global variable tables
Table name: fdir_global
9 automatic bus tables
Table name: auteq
| Attribute | Title | Type | Explanation |
| id | Sign | Character string | Haul oneself willingly into sign |
| descr | Describe | Character string | Haul oneself willingly into description |
| q_FAIL | Failure | Mask | |
| q_NIS | Unavailable | Mask |
[filling in a form for example]
Peace becomes main transformer #1 tripping operation fault (hpfxf1), supposes that automatic bus is designated hpaxf1 (being consistent with field apparatus).
Filling method is as follows:
| Sequence number | id | descr | Other |
| 1 | hpaxf1 | Peace becomes main transformer #1 backup auto-activating device |
10 relation tables
Fault-tripping operation relation table, fault-remote signalling conditional relationship table, fault-telemetry condition relation table, strategy-instruction relation table, fault-automatic bus relation table.
All relation tables are safeguarded automatically by the real-time dataBase system of CC-2000 platform, be need not user intervention.
11 system measurements tables
Remote signalling, telemetry that network reconfiguration is required are taken from the remote signalling and the telemeter of system database (psbob).When using the mode bit (SDIS) of remote signalling data (point table), should at first check artificial set (Manual), old data (Old), bad data quality positions such as (Bad), and follow artificial set principle of priority.
When using the simulated data (voltage, electric current etc.) of telemeter (analog), the position of also will checking on the quality.
Invention has been described according to specific exemplary embodiment herein.It will be conspicuous carrying out suitable replacement to one skilled in the art or revise under not departing from the scope of the present invention.Exemplary embodiment only is illustrative, rather than to the restriction of scope of the present invention, scope of the present invention is by appended claim definition.
Claims (2)
1. the method for a building network reconstructed database is characterized in that may further comprise the steps:
Step 1, according to the practical operation situation of electrical network, judge the fault that may occur under this method of operation, make the reconfiguration scheme that a cover is suitable for the network reconfiguration database according to certain form, with filling out library typical reconfiguration scheme is inserted the typical fault definition list then, the information that need fill in comprises that typical fault ID, the factory that typical fault is described, typical fault is affiliated stand and the expression of typical fault strategy;
Step 2, fill in the trip signal table, when system breaks down, just switch motion must be arranged, this trip signal table is exactly the switch of typical fault for triggering that is received in definition in the step 1, when in the trip signal table, switch motion occurring, will trigger reconfiguration program, the content that this typical fault definition list need be filled in comprises tripping operation expression, tripping operation description and the information that obtains from data acquisition and monitoring system (SCADA);
Step 3, fill in remote signalling condition table, remote signalling record in this remote signalling condition table is to be used for auxiliary network reconstruction condition information judged, the content that remote signalling condition table need be filled in comprises remote signalling sign, remote signalling description, status information and unavailable flag information all are to obtain from the data acquisition and monitoring system, corresponding remote signalling information is arranged as auxiliary, it is more accurate to make when judging whether to need network reconfiguration;
Step 4, fill in the telemetry condition table, tele rcording in this telemetry condition table is to be used for auxiliary network reconstruction condition information judged, the content that this table need be filled in comprises remote measurement sign, remote measurement description, numerical value and unavailable flag information all are to obtain from the data acquisition and monitoring system, corresponding remote signalling information is arranged as auxiliary, it is more accurate to make when judging whether to need network reconfiguration;
Step 5, fill in the alarm queue table, this alarm queue table is to receive the warning message that transmits from data acquisition and monitoring, whether need to do the network reconfiguration criterion in order to conduct, the content that this table need be filled in comprises the sign of reporting to the police, report to the police description, affiliated factory station identifications, alert data, time of fire alarming, time of reception, protection action and switch changed position information, corresponding remote signalling information is arranged as auxiliary, it is more accurate to make when judging whether to need network reconfiguration;
Step 6, fill in the control strategy table, this control strategy table is to be used to preserve the network reconfiguration control strategy, the network reconfiguration program need be shown content according to this and carry out the reconstruct mode, and the content that this table need be filled in comprises strategy sign, strategy description, the priority of strategy, attribute and whether available;
Step 7, fill in the steering order table, this steering order table is mainly used in preserves the restructuring directive relevant information, the direction of action that one or more switch is arranged, the content that this table need be filled in comprises the steering order sign and describes, step switch sign and description, the affirmation of switch, expection and three kinds of zone bits of locking;
Step 8, fill in the global variable table, before carrying out the network reconfiguration program, need in the global variable table, to insert earlier a record, the content that need fill in the global variable table comprises the sign description, execution time in cycle, the voice signal of zone bit, the dynamic effect of zone bit, the whether manual calculations of zone bit and zone bit whether calculate trend, other all be statistical information after executing the network reconfiguration program, this table shows the user to some important informations of network reconfiguration, this table comprise in have number of faults, the fault diagnosis number, the fault recovery number, the tripping operation number, instruction number, send number, failure identification, failure-description, the strategy sign, strategy is described, command identification, instruction description, the program start state, state description, acknowledging time, old data time, iteration time, working time, start-up time, concluding time and current time;
Step 9, fill in the automatic bus table, this table is used to fill in automatic throwing unloading device information, the record of filling in comprises all automatic bus in the reconstruct scope, the sign of automatic bus must be with on-the-spot consistent, and the content that this table need be filled in comprises sign, the description of automatic bus, the automatic bus throwing of automatic bus move back whether whether failure flags and automatic bus be available;
Step 10, structure relation table, this table comprises fault-tripping operation relation table, fault-remote signalling conditional relationship table, fault-telemetry condition relation table, strategy-instruction relation table and fault-automatic bus relation table, this relation table is safeguarded automatically by real-time dataBase system, need not user intervention;
Step 11, constructing system tester, the content remote signalling and the telemetry of this table, all from the remote signalling and the telemeter of system database, need take into full account the quality position when using the remote signalling telemeter, the main contents of this table comprise artificial set, bad data position, old data bit, whether out-of-limit judgement, unavailable zone bit and suspicious data zone bit.
2. the method for claim 1, it is characterized in that, fault in the relation table in the step 10 and tripping operation, remote signalling, remote measurement and automatic bus are set up relation one to one, when fault takes place, need which switch of tripping operation, judge whether really to need to do reclosing operation by remote signalling in the relation table and remote measurement, fault and automatic bus relation table are when breaking down, and these automatic bus are to need action; Strategy-instruction relation table is to realize that corresponding instruction need take place a reconfiguration scheme.
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| CN107844675B (en) * | 2017-12-18 | 2021-03-02 | 国家电网公司 | System based on gas-steam combined cycle and rapid modeling method thereof |
| WO2020243951A1 (en) * | 2019-06-06 | 2020-12-10 | 北京四方继保自动化股份有限公司 | Millisecond rapid reconstruction method and system for power supply network after power network failure |
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| CN115001133A (en) * | 2022-04-21 | 2022-09-02 | 北京南凯自动化系统工程有限公司 | Intelligent power-on/off switching operation method and system in traction power supply system |
| CN115001133B (en) * | 2022-04-21 | 2024-04-23 | 北京南凯自动化系统工程有限公司 | Intelligent power-off and power-on switching operation method and system in traction power supply system |
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