CN103197200B - Method and system for rapidly collecting and transmitting fault ranging information of power grid line - Google Patents
Method and system for rapidly collecting and transmitting fault ranging information of power grid line Download PDFInfo
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Abstract
The invention provides a method and a system for rapidly collecting and transmitting fault ranging information of a power grid line. The method includes the following steps: when the power grid line is faulty, a protective trip is started, a fault distance is recorded, and fault ranging information is obtained; the fault ranging information is converted into telecontrol information and the telecontrol information is uploaded to an EMS system; and whether a motion condition of a signal generated when tripping operation occurs due to a failure of the power grid line meets a preset logic criterion is judged, and if the answer is positive, the fault ranging information is extracted from the telecontrol information and transmitted to power grid line operation and maintenance persons in a preset format. By means of the method and the system, the fault ranging information can be rapidly obtained, converted into the telecontrol information, and uploaded to the EMS system. Information obtaining is facilitated for scheduling and monitoring duty persons. Besides, the method and the system can transmit the fault ranging information in the first time (such as in a minute) to the power grid line operation and maintenance persons, the speed is high, and time delay caused by fault finding and power restoration is greatly shortened.
Description
Technical field
The present invention relates to field of power, particularly relate to a kind of method of power grids circuits fault localization information Quick Acquisition and transmission and the system of a kind of power grids circuits fault localization information Quick Acquisition and transmission.
Background technology
When power grids circuits to be short-circuited because of a variety of causes or after ground fault trip, switch separating brake, line load (electric current or power) become zero.At this time, the distance that the protective device meeting perception fault in transformer station occurs, i.e. protective device energy record trouble ranging information.Operator on duty is at EMS(energymanagement system in dispatching of power netwoks monitoring, energy management system) receive the alarm of line switching fault trip after, no matter switch reclosures success or not, all needs notice power grids circuits operation maintenance personnel line walking to search and handling failure.At present, traditional dispatching of power netwoks monitoring operator on duty obtains fault localization information following two kinds of approach:
Approach one: entered the station by patrol officer and check and know fault localization information.As shown in Figure 1; after line fault tripping operation; yardman receives alarm; and check line protective devices by this yardman's Advise By Wire patrol officer to transformer station; patrol officer is by the fault localization information feed back of line protective devices record to after yardman, and yardman reinforms power grids circuits operation maintenance personnel and carries out line walking inspection, fault handling.The time of whole acquisition line fault ranging information is longer, generally all needs 60-120 minute.
Approach two: know fault localization information by the acquisition process of protection information system.Scheduling operator on duty can also check power grids circuits fault localization information by protection information system.As shown in Figure 2, in transformer station, protection message is delivered to the protection information system substation in transformer station to the acquisition process figure of protection information system by all protective devices, and protection message is delivered to the protection information system substation of grid dispatching center again in protection information system substation.
Analyze above two kinds of approach obtaining fault localization information known, although the two all can get fault localization information, there are some problems:
Approach one Problems existing: (1), speed are slow, and whole acquisition process expends more than 1 hour; (2), take manpower, need to patrol and examine to arrive at a station to check.(3), delay faults searches the processing time, and power grids circuits operation maintenance personnel just need be carried out and speedily carried out rescue work after receiving dispatch value class personnel order, thus the time having delayed looking up the fault and restored electricity.
Approach two Problems existing in addition: (1), inconvenient operation, information cannot be integrated in same interface.Protection information system and EMS system are two different systems, and dispatching and monitoring is in EMS system, and fault localization information is but in protection information system, and dispatching and monitoring operator on duty needs use two systems; (2), protection information system Construction cost is large; (3), coverage rate is inadequate.Because protection information system uses dispatch data net, and current many transformer stations not yet access dispatching data network, so there are many transformer stations that this approach cannot be used to realize.
In sum, present stage lacks a kind of effective mode and realizes delivering to EMS system by the fault localization information on line protective devices, and fault localization information will be sent to power grids circuits operation maintenance personnel within the very first time accurately.
Summary of the invention
Based on this, the invention provides the method and system of a kind of power grids circuits fault localization information Quick Acquisition and transmission, can will fault localization information deliver to EMS system and within the very first time, pass to power grids circuits operation maintenance personnel
For achieving the above object, the present invention adopts following technical scheme:
A method for power grids circuits fault localization information Quick Acquisition and transmission, comprises the following steps:
During Guangdong power system, starting protection tripping operation also record trouble distance, obtains fault localization information;
Be telecontrol information by described fault localization convert information, and deliver to EMS system by this telecontrol information;
When judging that line fault trips, whether the action situation of signal meets predetermined logic criterion;
If so, from described telecontrol information, then extract fault localization information and send circuit operation maintenance personnel in a pre-defined format to.
A system for power grids circuits fault localization information Quick Acquisition and transmission, comprising:
Fault localization data obtaining module, for when Guangdong power system, starting protection tripping operation record trouble distance, obtain fault localization information;
First delivery module, for being telecontrol information by described fault localization convert information, and delivers to EMS system by this telecontrol information;
Judge module, during for judging that line fault trips, whether the action situation of signal meets predetermined logic criterion;
Second delivery module, for when the judged result of described judge module is for being, extracts fault localization information and sending circuit operation maintenance personnel in a pre-defined format to from described telecontrol information.
As can be seen from above scheme, the method and system of power grids circuits fault localization information Quick Acquisition of the present invention and transmission, fault localization information can be obtained fast when Guangdong power system, and be that telecontrol information is uploaded to EMS system instead of protection information system by fault localization convert information, thus facilitate the acquisition of information of dispatching and monitoring operator on duty; And do not need cost manpower to patrol and examine to arrive at a station and check in the present invention, when when judging that line fault trips, the action situation of signal meets predetermined logic criterion, fault localization information can be sent to circuit operation maintenance personnel within the very first time (as 1 minute), speed is fast, the time delays greatly reducing looking up the fault He restore electricity.
Accompanying drawing explanation
Fig. 1 is that tradition to be entered the station the schematic diagram checked and obtain fault localization information by patrol officer;
Fig. 2 is tradition is known fault localization information schematic diagram by the acquisition process of protection information system;
Fig. 3 is the method flow schematic diagram of a kind of power grids circuits fault localization information Quick Acquisition and transmission in the embodiment of the present invention;
Fig. 4 be in the embodiment of the present invention fault localization information telecontrol information mode to be sent the schematic diagram of EMS system;
Fig. 5 is the relation schematic diagram of fault localization information and the time obtained in the embodiment of the present invention;
Fig. 6 is the system architecture schematic diagram of a kind of power grids circuits fault localization information Quick Acquisition and transmission in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, technical scheme of the present invention is further described.
Shown in Figure 3, a kind of method of power grids circuits fault localization information Quick Acquisition and transmission, comprises the following steps:
Step S101, during Guangdong power system, line protective devices starting protection tripping operation also record trouble distance, obtains fault localization information, then enters step S102.
Step S102, is telecontrol information by described fault localization convert information, and delivers to EMS system by this telecontrol information, then enter step S103.
As shown in Figure 4, the distance measurement value of record is delivered to telemechanical apparatus by line protective devices, and fault distance convert information is deliver to EMS system after telecontrol information by telemechanical apparatus.Concrete; above-mentioned when being telecontrol information by fault localization convert information; require that the unit sent to the distance measurement value of telemechanical apparatus from protective device is length (rice or km), telemechanical apparatus with 10 meters (0.01km) for unit round numbers fault distance will be delivered to EMS system.
It should be noted that, above-mentioned telecontrol information, referring to remote signalling information, telemetry intelligence (TELINT), remote information and the remote regulating information of realization monitoring needed for electrical network in EMS system, is the information flow of the regular coding characterizing electrical network and equipment operation and the switch state needed for control and analog quantity.
As a good embodiment, described process telecontrol information being delivered to EMS main website specifically can be comprised: deliver to EMS main website with remote mode by described telecontrol information.
Step S103, when judging that line fault trips, whether the action situation of signal meets predetermined logic criterion, then returns step S101 if not, if then enter step S104.
After power grids circuits fault localization information is sent to EMS system, dispatching and monitoring operator on duty can see fault localization information in time, if employing classic method, the words of the Advise By Wire power grids circuits operation maintenance personnel tissue repairing line inspection again after comprehensive other fault warning information of analysis, because this analysis and the process of ordering relate to artificial treatment, therefore can not the quick circulation of guarantee information.Simultaneously, the work such as maintenance and debugging are needed due to equipment in electric system, may produce is not the fault localization information of " real fault ", therefore EMS system signal action situation formulates certain logic criterion when need trip according to line fault, just fault localization information is sent to power grids circuits operation maintenance personnel when meeting logic criterion.Therefore, as a good embodiment, the described process that whether the action situation of signal meets predetermined logic criterion when judging that line fault trips specifically can comprise as follows:
Step S1031, detects following information from the list of line fault trip signal recording events: the alarm signal containing fault localization four words, be greater than 0 and be less than the fault distance kilometer numeral of setpoint distance threshold value, the switch scheduling numbering etc. of electric pressure and correspondence;
Step S1032, carries out Logic judgment according to the information detected to signalizing activity situation; Be specially: for 110kV circuit, within the predetermined time, judge to dispatch with the switch detected and number identical circuit and whether meet following condition: switch disconnects, circuit action with no pressure, protection act action occur simultaneously; And for 220kV circuit, within the predetermined time, judge to dispatch with the switch detected and number identical circuit and whether meet following condition simultaneously: switch disconnects, circuit action with no pressure, protection act action, the total action of accident occur simultaneously.
By above-mentioned scheme, be equivalent to the reasoning process (i.e. the analysis of operation simulation person) having had simple " artificial intelligence " in the present invention.
Might as well suppose EMS system receive see with yardman Guangdong power system tripping operation list of thing as follows:
Table 1:110kV nepheline station 110kV rosy clouds sheep line fault tripping signal record
| 2010/05/2109:26:34 nepheline station #2 main shift is by 6 grades to 7 grades |
| The 110kV rosy clouds sheep line 124 protection act action of 2010/05/2110:32:54 nepheline station |
| 2010/05/2110:32:54 nepheline station 110kV rosy clouds sheep line 124 switch disconnects |
| The 110kV rosy clouds sheep line 124 protection act involution of 2010/05/2110:32:54 nepheline station |
| The action with no pressure of 2010/05/2110:32:54 nepheline station 110kV rosy clouds sheep line 124 circuit |
| The 110kV rosy clouds sheep line 124 reclosing action action of 2010/05/2110:32:54 nepheline station |
| 2010/05/2110:32:54 nepheline station 110kV rosy clouds sheep line 124 switch closes |
| The 110kV rosy clouds sheep line 124 reclosing action involution of 2010/05/2110:32:54 nepheline station |
| The involution with no pressure of 2010/05/2110:32:54 nepheline station 110kV rosy clouds sheep line 124 circuit |
| The 110kV rosy clouds sheep line 124 protection act action of 2010/05/2110:32:57 nepheline station |
| 2010/05/2110:32:57 nepheline station 110kV rosy clouds sheep line 124 switch disconnects |
| The 110kV rosy clouds sheep line 124 protection act involution of 2010/05/2110:32:57 nepheline station |
| The action with no pressure of 2010/05/2110:32:57 nepheline station 110kV rosy clouds sheep line 124 circuit |
| The 110kV rosy clouds sheep line 124 reclosing action action of 2010/05/2110:32:57 nepheline station |
| 2010/05/2110:32:57 nepheline station 110kV rosy clouds sheep line 124 switch closes |
| The 110kV rosy clouds sheep line 124 reclosing action involution of 2010/05/2110:32:57 nepheline station |
| The involution with no pressure of 2010/05/2110:32:57 nepheline station 110kV rosy clouds sheep line 124 circuit |
| The 110kV rosy clouds sheep line 124 protection act action of 2010/05/2110:32:51:713SOE nepheline station |
| The 110kV rosy clouds sheep line 124 control loop template action of 2010/05/2110:32:51:717SOE nepheline station |
| 2010/05/2110:32:51:742SOE nepheline station 110kV rosy clouds sheep line 124 switch intermediate state 00 |
| 2010/05/2110:32:51:747SOE nepheline station 110kV rosy clouds sheep line 124 switch disconnects |
| The 110kV rosy clouds sheep line 124 control loop template involution of 2010/05/2110:32:51:752SOE nepheline station |
| The 110kV rosy clouds sheep line 124 protection act involution of 2010/05/2110:32:51:772SOE nepheline station |
| The action with no pressure of 2010/05/2110:32:51:779SOE nepheline station 110kV rosy clouds sheep line 124 circuit |
| The 110kV rosy clouds sheep line 124 reclosing action action of 2010/05/2110:32:52:775SOE nepheline station |
| The 110kV rosy clouds sheep line 124 control loop template action of 2010/05/2110:32:52:778SOE nepheline station |
| 2010/05/2110:32:52:837SOE nepheline station 110kV rosy clouds sheep line 124 switch intermediate state 00 |
| 2010/05/2110:32:52:861SOE nepheline station 110kV rosy clouds sheep line 124 switch closes |
| The 110kV rosy clouds sheep line 124 control loop template involution of 2010/05/2110:32:52:863SOE nepheline station |
| The 110kV rosy clouds sheep line 124 reclosing action involution of 2010/05/2110:32:52:926SOE nepheline station |
| The involution with no pressure of 2010/05/2110:32:52:931SOE nepheline station 110kV rosy clouds sheep line 124 circuit |
| 2010/05/2110:33:03 nepheline station 110kV rosy clouds sheep line 124 fault localization 7.30km |
| The 110kV rosy clouds sheep line 124 fault localization sudden change of 2010/05/2110:46:01 nepheline station recovers |
| 2010/05/2111:56:47 nepheline station #1 main shift is by 7 grades to 6 grades |
Lotus A-wire fault tripping signal record after the 220kV of dragon station after table 2:220kV
Associative list 1, table 2, from above list of thing, combing matches desired information, then specifically judge whether that the process meeting predetermined logic criterion can be described below:
(1) from EMS system Real-time Alarm signal, detect the alarm signal containing " fault localization " four words;
(2) fault distance kilometer numeral, is detected;
(3), the numeral detected in step (2) is judged.Satisfy condition and be greater than 0 and be less than this S value of setpoint distance threshold value S(and can make different settings according to different situations) then as effective value, and enter step (4); Otherwise be invalid data, get back to step (1);
(4) electric pressure and switch scheduling numbering, is detected.In the present embodiment, find out " 110kV and 3 scheduling numbering " or " 220kV and 4 scheduling numbering ";
(5), signalizing activity situation Logic judgment.On the basis of preceding step, detect predetermined time T(as 30 seconds) front electric pressure and the switch scheduling numbering alarm signal identical with previous step, if meet following criterion, the match is successful, otherwise mate unsuccessful:
For 110kV circuit: " switch disconnection " & " circuit action with no pressure " & " protection act action " & switch scheduling numbering is identical with step (4);
For 220kV circuit: " switch disconnection " & " circuit action with no pressure " & " protection act action " & " the total action of accident " & switch scheduling numbering is identical with step (4).
Step S104, if the action situation of signal meets predetermined logic criterion when previous step judges to show that line fault trips, then from described telecontrol information, extract fault localization information (the fault localization information that this extracts is the fault localization information obtained in step S101) and send circuit operation maintenance personnel in a pre-defined format to.
Information is checked in time in order to better facilitate circuit operation maintenance personnel, as a good embodiment, described process fault localization information being sent in a pre-defined format to circuit operation maintenance personnel specifically can comprise: also described fault localization information be sent on the mobile phone of circuit operation maintenance personnel in a pre-defined format by note form.Send as following note model can be adopted: " line fault ranging information: during xx month xx day xx, xx divides, xx station xx kVxx line fault localization S km." visible, the invention provides a kind of reliable, automatically realize that fault localization information is sent to circuit with note form and to be correlated with the mode of operation maintenance personnel.
In addition, as a good embodiment, described step S102 by after telecontrol information being delivered to EMS system, step S103 judge that line fault trips time signal action situation whether meet predetermined logic criterion before, can also comprise the steps: to process described fault localization data in remote measurement sudden change alarm event mode in EMS system, produce fault warning information.Can show in units of kilometer, remind yardman to process in time.
Fault warning information can adopt following form: the xx(time) xx station xx line fault range finding xxkm.
And.Conveniently check fault localization information, require that ranging information primary data is 0 in the present invention, send latest data on after trip protection occurs, data can not clear 0, only treats that new data upgrades legacy data.In one embodiment, the fault localization information obtained and the relation of time can be shown in Figure 5.
Corresponding with the method for above-mentioned a kind of power grids circuits fault localization information Quick Acquisition and transmission, the present invention also provides the system of a kind of power grids circuits fault localization information Quick Acquisition and transmission, as shown in Figure 6, comprising:
Fault localization data obtaining module 101, for when Guangdong power system, starting protection tripping operation record trouble distance, obtain fault localization information;
First delivery module 102, for being telecontrol information by described fault localization convert information, and delivers to EMS system by this telecontrol information;
Judge module 103, during for judging that line fault trips, whether the action situation of signal meets predetermined logic criterion;
Second delivery module 104, for when the judged result of described judge module is for being, extracts fault localization information and sending circuit operation maintenance personnel in a pre-defined format to from described telecontrol information.
As a good embodiment, described first delivery module can deliver to EMS main website with remote mode by described telecontrol information.
As a good embodiment, the system of described power grids circuits fault localization information Quick Acquisition and transmission can also comprise:
Alarm module, for described by after telecontrol information being delivered to EMS system, judge that line fault trips time signal action situation whether meet predetermined logic criterion before, in remote measurement sudden change alarm event mode, described fault localization data are processed in EMS system, produce fault warning information, process in time to remind yardman.
As a good embodiment, described fault localization information also can be sent on the mobile phone of circuit operation maintenance personnel by note form by described second delivery module in a pre-defined format.Send as following note model can be adopted: " line fault ranging information: during xx month xx day xx, xx divides, xx station xx kVxx line fault localization S km.”
As a good embodiment, can comprise in described judge module:
Detection module, for detecting following information: the alarm signal containing fault localization four words, be greater than 0 and be less than the fault distance kilometer numeral of setpoint distance threshold value, the switch scheduling numbering of electric pressure and correspondence from the list of line fault trip signal recording events;
Logic judgment submodule, for carrying out Logic judgment according to the information detected to signalizing activity situation; Be specially: for 110kV circuit, within the predetermined time, judge to dispatch with the switch detected and number identical circuit and whether meet following condition: switch disconnects, circuit action with no pressure, protection act action occur simultaneously; And for 220kV circuit, within the predetermined time, judge to dispatch with the switch detected and number identical circuit and whether meet following condition simultaneously: switch disconnects, circuit action with no pressure, protection act action, the total action of accident occur simultaneously.
Above-mentioned a kind of power grids circuits fault localization information Quick Acquisition is identical with the method for a kind of power grids circuits fault localization information Quick Acquisition of the present invention and transmission with the other technologies feature of the system of transmission, and it will not go into details herein.
Can be found out by above scheme, the method and system of power grids circuits fault localization information Quick Acquisition of the present invention and transmission, fault localization information can be obtained fast when Guangdong power system, and be that telecontrol information is uploaded to EMS system instead of protection information system by fault localization convert information, thus facilitate the acquisition of information of dispatching and monitoring operator on duty; And do not need cost manpower to patrol and examine to arrive at a station and check in the present invention, when when judging that line fault trips, the action situation of signal meets predetermined logic criterion, fault localization information can be sent to circuit operation maintenance personnel within the very first time (as 1 minute), speed is fast, the time delays greatly reducing looking up the fault He restore electricity.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a method for power grids circuits fault localization information Quick Acquisition and transmission, is characterized in that, comprises the following steps:
During Guangdong power system, starting protection tripping operation also record trouble distance, obtains fault localization information;
Be telecontrol information by described fault localization convert information, and deliver to EMS system by this telecontrol information;
Following information is detected: the alarm signal containing fault localization four words, be greater than 0 and be less than the fault distance kilometer numeral of setpoint distance threshold value, the switch scheduling numbering of electric pressure and correspondence from the list of line fault trip signal recording events;
According to the information detected, Logic judgment is carried out to signalizing activity situation; Be specially: for 110kV circuit, within the predetermined time, judge to dispatch with the switch detected and number identical circuit and whether meet following condition: switch disconnects, circuit action with no pressure, protection act action occur simultaneously; And for 220kV circuit, within the predetermined time, judge to dispatch with the switch detected and number identical circuit and whether meet following condition simultaneously: switch disconnects, circuit action with no pressure, protection act action, the total action of accident occur simultaneously;
If so, from described telecontrol information, then extract fault localization information and send circuit operation maintenance personnel in a pre-defined format to.
2. the method for power grids circuits fault localization information Quick Acquisition according to claim 1 and transmission, is characterized in that, the process described telecontrol information being delivered to EMS main website is comprised: deliver to EMS main website with remote mode by described telecontrol information.
3. the method for power grids circuits fault localization information Quick Acquisition according to claim 2 and transmission, it is characterized in that, described by after telecontrol information being delivered to EMS system, judge that line fault trips time signal action situation whether meet predetermined logic criterion before, also comprise step: in remote measurement sudden change alarm event mode, described fault localization data are processed in EMS system, produce fault warning information.
4. the method for power grids circuits fault localization information Quick Acquisition according to claim 1 and transmission, it is characterized in that, the process that described fault localization information sends circuit operation maintenance personnel in a pre-defined format to is comprised: also in a pre-defined format described fault localization information is sent on the mobile phone of circuit operation maintenance personnel by note form.
5. a system for power grids circuits fault localization information Quick Acquisition and transmission, is characterized in that, comprising:
Fault localization data obtaining module, for when Guangdong power system, starting protection tripping operation record trouble distance, obtain fault localization information;
First delivery module, for being telecontrol information by described fault localization convert information, and delivers to EMS system by this telecontrol information;
Detection module, for detecting following information: the alarm signal containing fault localization four words, be greater than 0 and be less than the fault distance kilometer numeral of setpoint distance threshold value, the switch scheduling numbering of electric pressure and correspondence from the list of line fault trip signal recording events;
Logic judgment submodule, for carrying out Logic judgment according to the information detected to signalizing activity situation; Be specially: for 110kV circuit, within the predetermined time, judge to dispatch with the switch detected and number identical circuit and whether meet following condition: switch disconnects, circuit action with no pressure, protection act action occur simultaneously; And for 220kV circuit, within the predetermined time, judge to dispatch with the switch detected and number identical circuit and whether meet following condition simultaneously: switch disconnects, circuit action with no pressure, protection act action, the total action of accident occur simultaneously;
Second delivery module, for when the judged result of described judge module is for being, extracts fault localization information and sending circuit operation maintenance personnel in a pre-defined format to from described telecontrol information.
6. the system of power grids circuits fault localization information Quick Acquisition according to claim 5 and transmission, is characterized in that, described first delivery module delivers to EMS main website with remote mode by described telecontrol information.
7. the system of power grids circuits fault localization information Quick Acquisition according to claim 6 and transmission, is characterized in that, also comprise:
Alarm module, for by after described telecontrol information delivers to EMS system, judge that line fault trips time signal action situation whether meet predetermined logic criterion before, in remote measurement sudden change alarm event mode, described fault localization data are processed in EMS system, produce fault warning information.
8. the system of power grids circuits fault localization information Quick Acquisition according to claim 5 and transmission, it is characterized in that, described fault localization information is also sent on the mobile phone of circuit operation maintenance personnel by note form by described second delivery module in a pre-defined format.
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| CN103995960B (en) * | 2014-05-05 | 2017-05-10 | 广东电网公司佛山供电局 | Remote control rejection rate analysis method and system |
| CN104092293B (en) * | 2014-06-11 | 2016-01-20 | 国家电网公司 | A kind of low-voltage distribution cabinet fault point self-healing method |
| CN105093042B (en) * | 2015-09-11 | 2019-03-29 | 国家电网公司 | Intelligent substation telecontrol system test device based on telecontrol system CID |
| CN106647358B (en) * | 2016-11-15 | 2019-05-31 | 国电南瑞科技股份有限公司 | The switch changed position reason recognition methods of grid equipment state and event-order serie relationship |
| CN113030647A (en) * | 2021-03-15 | 2021-06-25 | 国网江苏省电力有限公司徐州供电分公司 | Active early warning system and method for faults in three-span section of power transmission network line |
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