CN102946145B - The determination methods of transformer station's time synchronous exception and system - Google Patents
The determination methods of transformer station's time synchronous exception and system Download PDFInfo
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- CN102946145B CN102946145B CN201210491872.3A CN201210491872A CN102946145B CN 102946145 B CN102946145 B CN 102946145B CN 201210491872 A CN201210491872 A CN 201210491872A CN 102946145 B CN102946145 B CN 102946145B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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Abstract
The present invention discloses the determination methods of a kind of transformer station time synchronous exception, comprises the steps: the SOE record obtaining transformer station's time system, reads the writing time in SOE record; Obtain the time of reception of SOE record in dispatch automated system; Contrast described writing time and time of reception, judge whether synchronous abnormality occurs; If there is described synchronous abnormality, then send warning message.The present invention accordingly also discloses the judgement system of a kind of transformer station time synchronous exception.The present invention can realize automatic remoteization and monitor transformer station's time system, can timely automatic alarm when discovery time synchronous abnormality.
Description
Technical field
The present invention relates to transformer station's Time synchronization technique field, particularly relate to the determination methods of a kind of transformer station time synchronous exception, and the judgement system of a kind of transformer station time synchronous exception.
Background technology
SOE record (sequence of events recording) is a class important information in electric power scheduling automatization system, when electric power system is broken down, usually relies on SOE record to analyze the process of whole event generation.Every bar SOE records self all a time of being with millisecond, be exactly differentiate time of relying on SOE to record self sequencing that each fault message occurs when analysis of failure generating process, obtain the event of failure generating process of a complete display from time dimension, thus judge that whether the sequence of movement of all kinds of device of electric power system, equipment, system, the result of the action be correct.If the time that SOE records self goes wrong, will cause confusion to the analysis of event of failure generating process, and then have influence on the analysis of fault is judged, finally have influence on the treatment effeciency of fault.
Because a lot of transformer station is unattended substation at present; in standing in the abnormal or station of time system time synchronized device and time system in station pair time occurs that extremely can only be timed to scene by staff checks; its monitoring means time and effort consuming, and cannot Timeliness coverage abnormal conditions.Present stage lacks realization when a kind of effective technological means is come and judges the remote auto analysis of transformer station's time synchronous exception.
Summary of the invention
Based on this, the invention provides determination methods and the system of a kind of transformer station time synchronous exception, automatic remoteization can be realized and monitor transformer station's time system, can timely automatic alarm when finding synchronous abnormality.
A determination methods for transformer station's time synchronous exception, comprises the steps:
Obtain the SOE record of transformer station's time system, read the writing time in SOE record; Wherein, when an event occurs, electric substation automation system can give the SOE record of this event at once to dispatching automation main website SCADA system;
Obtain the time of reception of SOE record in dispatch automated system;
Contrast described writing time and time of reception, judge whether synchronous abnormality occurs;
If there is described synchronous abnormality, then send warning message;
Wherein, described contrast described writing time and time of reception, judge whether that the step that synchronous abnormality occurs specifically comprises:
If the time of reception being later than SOE record in described dispatch automated system writing time in described SOE record, be then judged as described synchronous abnormality occurs;
Or comprise:
If the writing time in described SOE record early than the time of reception of SOE record in described dispatch automated system, and when the time difference of described writing time and described time of reception is greater than predetermined threshold value, is then judged as described synchronous abnormality occurs; Wherein, described predetermined threshold value is 10 seconds.
A judgement system for transformer station's time synchronous exception, comprises the first acquisition module, the second acquisition module, judge module and alarm module;
Described first acquisition module, for obtaining the SOE record of transformer station's time system, reads the writing time in SOE record; Wherein, when an event occurs, electric substation automation system can give the SOE record of this event at once to dispatching automation main website SCADA system;
Described second acquisition module is for obtaining the time of reception of SOE record in dispatch automated system;
Described judge module, for contrasting described writing time and time of reception, judges whether synchronous abnormality occurs;
If described alarm module is used for described synchronous abnormality occurs, then send warning message;
Wherein, if described judge module is also for the time of reception being later than SOE record in described dispatch automated system writing time in described SOE record, be then judged as described synchronous abnormality occurs; If or also for the time of reception of the writing time in described SOE record early than SOE record in described dispatch automated system, and when the time difference of described writing time and described time of reception is greater than predetermined threshold value, be then judged as described synchronous abnormality occurs; Wherein, described predetermined threshold value is 10 seconds.
The determination methods of above-mentioned transformer station time synchronous exception and system, by obtaining the writing time of the SOE record of transformer station's time system, and obtain the time of reception that dispatch automated system receives SOE record, the whether generation synchronous abnormality that contrast writing time and time of reception can judge that this SOE records, can report to the police immediately when an abnormality is discovered, remind operation maintenance personnel inspection system or equipment, staff is without the need to tour of reaching the spot, achieve the management of automatic long-range, operating efficiency significantly improves, and saves a large amount of manpower and materials.
Accompanying drawing explanation
Fig. 1 is the determination methods schematic flow sheet in one embodiment of transformer station of the present invention time synchronous exception.
Fig. 2 is the schematic diagram of the time shaft of transformer station's time system and the time shaft of dispatch automated system in an embodiment.
Fig. 3 is the schematic diagram of the time shaft of transformer station's time system and the time shaft of dispatch automated system in another embodiment.
Fig. 4 is the judgement system structural representation in one embodiment of transformer station of the present invention time synchronous exception.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
As shown in Figure 1, be the determination methods schematic flow sheet in one embodiment of transformer station of the present invention time synchronous exception, comprise the steps:
The SOE record of S11, acquisition transformer station time system, reads the writing time in SOE record;
The time of reception of SOE record in S12, acquisition dispatch automated system;
The time of SOE record derives from time system in transformer station, and the time of dispatch automated system derives from the time system of main website SCADA system.In standing, the time system of time system and main website SCADA system is all carry out time synchronized with gps system.When an event occurs, electric substation automation system generally can give the SOE record of this event at once to dispatching automation main website SCADA system, under normal circumstances can not more than 10 seconds, therefore judge whether transformer station's time system synchronous abnormality occurs, first need to get the time of reception that SOE records and in dispatch automated system, SOE records obtaining transformer station's time system.
S13, contrast described writing time and time of reception, judge whether synchronous abnormality occurs;
Time and SOE that comparison main website SCADA system receives SOE record record self time difference, just can judge time that this SOE records whether exception, thus whether the interior time system that must set off the result of synchronous abnormality occur.
The schematic diagram of the time shaft of transformer station's time system and the time shaft of dispatch automated system in an embodiment as shown in Figure 2; T1 is the writing time in SOE record, and T2 is the time of reception of SOE record in dispatch automated system, and △ T is the time difference of writing time and time of reception, by contrast T1 and T2, judges whether △ T the result of synchronous abnormality can be occurred.
In a preferred embodiment, if the writing time in described SOE record is later than the time of reception of SOE record in described dispatch automated system, be then judged as described synchronous abnormality occurs;
In the present embodiment, as shown in Figure 2, the time (T1) that SOE records self is later than the time (T2) that main website SCADA system receives SOE record, that is:
ΔT＝T2-T1＜0
Then can judge the time anomaly that SOE records, thus the result of the interior clock synchronization system exception that must set off.Be exemplified below:
The time that SOE records self is 2012/08/0714:50:16:897 (T1)
The time that main website SCADA system receives this SOE record is 2012/08/0714:50:15 (T2)
ΔT＝T2-T1＜0
Then judge the time anomaly that SOE records, thus the result of interior time synchronous exception of must arriving at a station.
In a preferred embodiment, if the writing time in described SOE record is early than the time of reception of SOE record in described dispatch automated system, and the time difference of described writing time and described time of reception is when being greater than predetermined threshold value, be then judged as described synchronous abnormality occurs;
As shown in Figure 3, be the schematic diagram of the time shaft of transformer station's time system and the time shaft of dispatch automated system in another embodiment;
The time that the time that SOE records self receives SOE record early than main website SCADA system exceedes predetermined threshold value H, that is:
ΔT＝T2-T1＞H
Then judge the time anomaly that this SOE records, thus the result of the interior clock synchronization system exception that must set off.Be exemplified below, in the present embodiment, described predetermined threshold value H is 10 seconds, and predetermined threshold value can adjust setting as the case may be;
The time that SOE records self is 2012/08/0714:50:16:897 (T1)
The time that SCADA system receives this SOE record is 2012/08/0714:50:30 (T2)
ΔT＝T2-T1＞10
Then judge that this SOE is wrong for writing time, thus the result of the interior time system time synchronized exception that must set off.
If described synchronous abnormality occurs S14, then send warning message; When clock synchronization system is abnormal in judgement departures, then send warning message, thus remind operation maintenance personnel inspection system or equipment.
Accordingly, the present invention also provides the judgement system of a kind of transformer station time synchronous exception, as shown in Figure 4, comprises the first acquisition module 41, second acquisition module 42, judge module 43 and alarm module 44;
Described first acquisition module 41, for obtaining the SOE record of transformer station's time system, reads the writing time in SOE record;
Described second acquisition module 42 is for obtaining the time of reception of SOE record in dispatch automated system;
The time of SOE record derives from time system in transformer station, and the time of dispatch automated system derives from the time system of main website SCADA system.In standing, the time system of time system and main website SCADA system is all carry out time synchronized with gps system.When an event occurs, electric substation automation system generally can give the SOE record of this event at once to dispatching automation main website SCADA system, under normal circumstances can not more than 10 seconds, therefore judge whether transformer station's time system synchronous abnormality occurs, first need to get the time of reception that SOE records and in dispatch automated system, SOE records obtaining transformer station's time system.
Described judge module 43, for contrasting described writing time and time of reception, judges whether synchronous abnormality occurs;
Time and SOE that comparison main website SCADA system receives SOE record record self time difference, just can judge time that this SOE records whether exception, thus whether the interior time system that must set off the result of synchronous abnormality occur.
The schematic diagram of the time shaft of transformer station's time system and the time shaft of dispatch automated system in an embodiment as shown in Figure 2; T1 is the writing time in SOE record, and T2 is the time of reception of SOE record in dispatch automated system, and △ T is the time difference of writing time and time of reception, by contrast T1 and T2, namely judges whether △ T the result of synchronous abnormality can be occurred.
In a preferred embodiment, if described judge module 43 is also for the time of reception being later than SOE record in described dispatch automated system writing time in described SOE record, be then judged as described synchronous abnormality occurs.
In the present embodiment, as shown in Figure 2, the time (T1) that SOE records self is later than the time (T2) that main website SCADA system receives SOE record, that is:
ΔT＝T2-T1＜0
Then can judge the time anomaly that SOE records, thus the result of the interior clock synchronization system exception that must set off.Be exemplified below:
The time that SOE records self is 2012/08/0714:50:16:897 (T1)
The time that main website SCADA system receives this SOE record is 2012/08/0714:50:15 (T2)
ΔT＝T2-T1＜0
Then judge the time anomaly that SOE records, thus the result of the interior clock synchronization system exception that must set off.
In a preferred embodiment, if described judge module 43 is also for the time of reception of the writing time in described SOE record early than SOE record in described dispatch automated system, and the time difference of described writing time and described time of reception is when being greater than predetermined threshold value, then judge described synchronous abnormality occurs.
As shown in Figure 3, be the schematic diagram of the time shaft of transformer station's time system and the time shaft of dispatch automated system in another embodiment;
The time that the time that SOE records self receives SOE record early than main website SCADA system exceedes predetermined threshold value H, that is:
ΔT＝T2-T1＞H
Then judge the time anomaly that this SOE records, thus the result of the interior clock synchronization system exception that must set off.Be exemplified below, in the present embodiment, described predetermined threshold value H is 10 seconds, and predetermined threshold value can adjust setting as the case may be;
The time that SOE records self is 2012/08/0714:50:16:897 (T1)
The time that SCADA system receives this SOE record is 2012/08/0714:50:30 (T2)
ΔT＝T2-T1＞10
Then judge that this SOE is wrong for writing time, thus the result of the interior time system time synchronized exception that must set off.
If described alarm module 44 for there is described synchronous abnormality, then sends warning message; When clock synchronization system is abnormal in judgement departures, then send warning message, thus remind operation maintenance personnel inspection system or equipment.
The determination methods of transformer station of the present invention time synchronous exception and system, by obtaining the writing time of the SOE record of transformer station's time system, and obtain the time of reception that dispatch automated system receives SOE record, the whether generation synchronous abnormality that contrast writing time and time of reception can judge that this SOE records, can report to the police immediately when an abnormality is discovered, remind operation maintenance personnel inspection system or equipment, staff is without the need to tour of reaching the spot, achieve the management of automatic long-range, operating efficiency significantly improves, and saves a large amount of manpower and materials.
The above embodiment only have expressed several execution mode 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 range of patent of the present invention should be as the criterion with claims.
Claims (1)
1. a determination methods for transformer station's time synchronous exception, is characterized in that, comprises the steps:
Obtain the SOE record of transformer station's time system, read the writing time in SOE record; Wherein, when an event occurs, electric substation automation system can give the SOE record of this event in dispatching automation main website SCADA system;
Obtain the time of reception of SOE record in dispatch automated system;
Contrast described writing time and time of reception, judge whether synchronous abnormality occurs;
If there is described synchronous abnormality, then send warning message;
Wherein, described contrast described writing time and time of reception, judge whether that the step that synchronous abnormality occurs specifically comprises: if the writing time in described SOE record is later than the time of reception of SOE record in described dispatch automated system, be then judged as described synchronous abnormality occurs;
If the writing time in described SOE record early than the time of reception of SOE record in described dispatch automated system, and when the time difference of described writing time and described time of reception is greater than predetermined threshold value, is then judged as described synchronous abnormality occurs; Wherein, described predetermined threshold value is 10 seconds;
Also comprise step:
First acquisition module of the judgement system of transformer station's time synchronous exception obtains the SOE record of transformer station's time system, reads the writing time in SOE record; Wherein, the time of SOE record derives from time system in transformer station, and the time of dispatch automated system derives from the time system of main website SCADA system; In standing, the time system of time system and main website SCADA system is all carry out time synchronized with gps system, and when an event occurs, electric substation automation system can give the SOE record of this event in dispatching automation main website SCADA system;
Second acquisition module of the judgement system of transformer station's time synchronous exception obtains the time of reception of SOE record in dispatch automated system;
The judge module contrast described writing time of the judgement system of transformer station's time synchronous exception and time of reception, judge the time difference of writing time and time of reception, judges whether synchronous abnormality occurs; Wherein, if described judge module is also for the time of reception being later than SOE record in described dispatch automated system writing time in described SOE record, be then judged as described synchronous abnormality occurs; If the writing time in described SOE record early than the time of reception of SOE record in described dispatch automated system, and when the time difference of described writing time and described time of reception is greater than predetermined threshold value, is then judged as described synchronous abnormality occurs;
If the alarm module of the judgement system of transformer station's time synchronous exception is used for described synchronous abnormality occurs, then send warning message.
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| CN109873693A (en) * | 2019-02-12 | 2019-06-11 | 广东电网有限责任公司 | A kind of substation's clock synchronization situation cognitive method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201226521Y (en) * | 2008-02-28 | 2009-04-22 | 江苏电力调度通信中心 | System for monitoring time synchronization |
| CN102055544A (en) * | 2010-12-09 | 2011-05-11 | 成都引众数字设备有限公司 | System and method for synchronously monitoring secondary equipment time of power supply system |
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| US20110222561A1 (en) * | 2010-03-11 | 2011-09-15 | General Electric Company | Systems and methods for providing time synchronization |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201226521Y (en) * | 2008-02-28 | 2009-04-22 | 江苏电力调度通信中心 | System for monitoring time synchronization |
| CN102055544A (en) * | 2010-12-09 | 2011-05-11 | 成都引众数字设备有限公司 | System and method for synchronously monitoring secondary equipment time of power supply system |
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