CN104834305B - Distribution automation terminal remote measurement exception analysis system and method based on DMS systems - Google Patents

Distribution automation terminal remote measurement exception analysis system and method based on DMS systems Download PDF

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CN104834305B
CN104834305B CN201510174956.8A CN201510174956A CN104834305B CN 104834305 B CN104834305 B CN 104834305B CN 201510174956 A CN201510174956 A CN 201510174956A CN 104834305 B CN104834305 B CN 104834305B
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automation terminal
distribution automation
current
real
exception
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CN104834305A (en
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吴树鸿
李高明
汤志锐
黄红远
欧阳卫年
姚若昊
陈锦荣
朱延廷
郭为斌
李响
邱桂华
何锦飞
罗伟明
何炎
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Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Foshan Power Supply Bureau of Guangdong Power Grid Corp
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
    • G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols

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  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses a kind of distribution automation terminal remote measurement exception analysis system and method based on DMS systems, including current anomaly monitoring modular and electric voltage exception monitoring modular, current anomaly monitoring modular and electric voltage exception monitoring modular are connected with DMS systems, distribution production system respectively, the real-time telemetry data of the three-phase current of DMS systems are compared by current anomaly monitoring modular with feeder switch electric current in its history telemetry, DMS systems respectively, judge whether distribution automation terminal remote measurement electric current is abnormal to send remote measurement exception work order to distribution production system；The real-time telemetry data of the mains side voltage between phases of DMS systems and load side voltage between phases are compared by electric voltage exception monitoring modular with history telemetry, stop voltage respectively, judge whether distribution automation terminal remote measurement voltage is abnormal to send remote measurement exception work order to distribution production system.The present invention is time saving and energy saving, efficient, can monitor distribution automation terminal remote measurement exception automatically.

Description

Distribution automation terminal remote measurement exception analysis system and method based on DMS systems
Technical field
The invention belongs to distribution automation terminal remote measurement anomaly analysis technology, more particularly to a kind of matching somebody with somebody based on DMS systems Automation terminal remote measurement exception analysis system, further relates to the analysis method of the analysis system.
Background technology
With distribution network automated continuous development, distribution automation terminal is increasingly general in the application of each regional distribution network And.Distribution automation terminal refers to the various feeder terminal units for distribution feeder circuit, distribution transformer terminal unit And the general name of the equipment such as middle pressure monitoring unit (matching somebody with somebody electronic station).Analysis, the distribution automation terminal remote measurement letter in one region of statistics Whether breath is correct, and whether measurement data can use, and judges whether normal operation etc. is all electric power at different levels to a distribution automation terminal The common statistical item of department.
At present, the remote measurement of distribution automation terminal is found using traditional artificial analysis method extremely, still, due to The quantity of the distribution automation terminal in each region is more, and huge workload is necessarily brought using manual analysis means.With Buddhist It it is at present 13000 in the distribution automation terminal of fortune, the telemetry amount of every distribution automation terminal is exemplified by Mountain area 9, therefore, total telemetry amount is probably 120,000 or so.When these data of manual analysis, it is necessary to according to these data Real-time change finds whether indivedual remote measurements undergo mutation, whether exceeds the abnormal conditions such as limit value, so as to initiate abnormality processing work Single, not only operation irregularity is heavy, less efficient, and since there are artificial carelessness situation, it is likely that remote measurement occur does not have extremely The phenomenon being found, causes to influence the operation of distribution network terminal because of troubleshooting rectification is not carried out on distribution automation terminal in time Quality.
The content of the invention
First purpose of the present invention be to provide it is a kind of it is time saving and energy saving, efficient, distribution automation can be monitored automatically The distribution automation terminal remote measurement exception analysis system based on DMS systems of terminal remote measurement exception.
Second object of the present invention is to provide a kind of above-mentioned distribution automation terminal remote measurement exception based on DMS systems The analysis method of analysis system.
First purpose of the present invention is realized by following technical measures：A kind of distribution based on DMS systems is automatic Change terminal remote measurement exception analysis system, it is characterised in that：It includes current anomaly monitoring modular and electric voltage exception monitoring modular, institute State current anomaly monitoring modular and electric voltage exception monitoring modular is connected with DMS systems, distribution production system respectively, the electric current is different Normal monitoring modular by the real-time telemetry data of the electric current of DMS systems respectively with feeder switch in its history telemetry, DMS systems Electric current is compared, and judges that whether abnormal distribution automation terminal remote measurement electric current is abnormal to send remote measurement to distribution production system Work order；And the electric voltage exception monitoring modular is by the real-time distant of the mains side voltage between phases of DMS systems and load side voltage between phases Survey data to be compared with history telemetry, stop voltage respectively, judge whether distribution automation terminal remote measurement voltage is abnormal To send remote measurement exception work order to distribution production system.
One aspect of the present invention passes through the history telemetry of distribution automation terminal for storing DMS systems and real-time telemetry Data are compared, and judge whether distribution automation terminal remote measurement refreshes change, on the other hand consider the operation of distribution line Situation, is bonded the determination methods for having formulated distribution automation terminal remote measurement exception of actual motion environment, relatively accurately positions There are the distribution automation terminal of remote measurement abnormal problem, and remote measurement exception work order is automatically generated, handled for main website personnel.Save Shi Shengli, it is efficient, can monitor automatically distribution automation terminal remote measurement exception.The present invention will be in system interface to business sheet The situation inventory of position displaying distribution network terminal remote measurement exception, not only allows business personnel to be carried out to regional equipment operation condition Assessment, moreover it is possible to found in time to the distribution network terminal of failure, organize related troubleshooting defect elimination work, improve distribution network terminal equipment Running quality and power grid reliability.
The real-time telemetry data of electric current of the present invention and its history telemetry include the real-time telemetry number of three-phase current According to history telemetry.
The real-time telemetry data of electric current of the present invention further include the real-time telemetry data of zero-sequence current, by zero-sequence current Real-time telemetry data judge whether distribution automation terminal remote measurement electric current is abnormal to be determined as exception compared with 30A When to distribution production system send the abnormal work order of automation.
Second object of the present invention is realized by following technical measures：A kind of above-mentioned distribution based on DMS systems The analysis method of automatization terminal remote measurement exception analysis system, it is characterised in that comprise the following steps：
S1, current anomaly monitoring modular and electric voltage exception monitoring modular read the real-time telemetry data of distribution automation terminal With history telemetry, wherein, current anomaly monitoring modular read telemetry include three-phase current value Ia、IbAnd Ic, voltage The telemetry that exception monitoring module is read is mains side voltage between phases UabWith load side voltage between phases Ubc；
Wherein, IaRepresent a phase currents of distribution automation terminal collection；
IbRepresent the b phase currents of distribution automation terminal collection；
IcRepresent the c phase currents of distribution automation terminal collection；
UabRepresent the mains side ab voltages between phases of distribution automation terminal collection；
UbcRepresent the load side bc voltages between phases of distribution automation terminal collection；
S2, current anomaly monitoring modular compare Ia、Ib、IcReal-time telemetry data and its history telemetry：
If a. unchanged, judge that the distribution automation terminal there are telemetering of current value not variation abnormality, is transferred to step S7；
If b. a wherein phase current changes, it is different to judge that the distribution automation terminal does not change there is no telemetering of current value Often, do not process；
S3, current anomaly monitoring modular compare Ia、Ib、IcReal-time telemetry data and DMS systems in feeder switch electric current：
A. if the real-time telemetry data of a wherein phase current judge more than 1.2 times of feeder switch electric current in DMS systems There are electric current to be more than outlet current anomaly for the distribution automation terminal, is transferred to step S7；
If b. the real-time telemetry data of three-phase current be respectively less than or 1.2 times equal to feeder switch electric current in DMS systems, Then judge the distribution automation terminal there is no electric current to be more than outlet current anomaly, do not process；
S4, if the real-time telemetry data of a. three-phase currents respectively with average current IavgDifference be all higher than average current Iavg's 20%, then judge that the distribution automation terminal is abnormal there are three-phase current unbalance, be transferred to step S7；
If b. the real-time telemetry data of a wherein phase current and average current IavgDifference be less than or equal to average current Iavg 20%, then judge that the distribution automation terminal is abnormal there is no three-phase current unbalance, do not process；
Wherein, average current Ia、Ib、IcArithmetic mean of instantaneous value, i.e. Iavg=(Ia+Ib+Ic)÷3。
S5, electric voltage exception monitoring modular compare Uab、UbcReal-time telemetry data and Uab、UbcHistory telemetry：
If a. unchanged, judge that the distribution automation terminal there are voltage telemeering value not variation abnormality, is transferred to step S7；
If b. wherein side voltage change, it is different to judge that the distribution automation terminal does not change there is no voltage telemeering value Often, do not process；
S6, if a. UabAnd UbcOne of real-time telemetry data not in the range of stop voltage, then judge the distribution automation Terminal is abnormal there are magnitude of voltage, is transferred to step S7；
If b. UabAnd UbcReal-time telemetry data in the range of stop voltage, then judge the distribution automation terminal not It is abnormal there are magnitude of voltage, do not process；
S7, remote measurement exception work order is sent to distribution production system.
The present invention is in the step S1, every 15 minutes, reads the real-time telemetry data of a distribution automation terminal； The history telemetry of 6 hours before a hour reads distribution automation terminal.
The telemetry that current anomaly monitoring modular of the present invention is read further includes the zero of distribution automation terminal collection Sequence electric current I0If I0Real-time telemetry data be more than 30A, then judge the distribution automation terminal " I0It is abnormal ", it is transferred to step S7； If I0Real-time telemetry data be less than or equal to 30A, then judge the distribution automation terminal " I0It is without exception ", do not process.
The present invention is in the step S1, every 15 minutes, reads the real-time telemetry data of a distribution automation terminal； The history telemetry of 6 hours before a hour reads distribution automation terminal.
The present invention is in the step S1, and current anomaly monitoring modular and electric voltage exception monitoring modular are according to distribution automation End message list, the three area's databases for accessing DMS systems is matched by distribution automation terminal IP address, to read distribution The real-time telemetry data and history telemetry of automatization terminal.
Distribution production system of the present invention integrates each distribution network terminal remote measurement abnormal conditions, and it is distant to automatically generate distribution automation terminal Abnormal work order is surveyed, and forms work order list, the terminal identity involved by per Zhang Gong's list is shown on the display of distribution production system Situations such as account information, remote measurement Exception Type and work order issued state, handled work order for business personnel.
Compared with prior art, the present invention has following significant effect：
(1) the present invention proposes the distribution network terminal remote measurement anomaly statistics method based on DMS systems, on the one hand according to DMS systems The comparison of the distribution network terminal remote measurement historical data of storage and newest collection telemetry, judges whether distribution network terminal remote measurement refreshes change Change, on the other hand consider the operating condition of distribution line, fitting actual motion environment has formulated distribution network terminal remote measurement exception Determination methods, relatively accurately positioning and automatically generates remote measurement exception work order, supplies there are the distribution network terminal of remote measurement abnormal problem Main website personnel are handled, it is time saving and energy saving, efficient, can monitor automatically distribution automation terminal remote measurement exception.
(2) the present invention, to the situation inventory of service unit displaying distribution network terminal remote measurement exception, will not only allow in system interface Business personnel can assess regional equipment operation condition, moreover it is possible to the distribution network terminal of failure found in time, The related troubleshooting defect elimination work of tissue, improves the running quality of distribution network terminal equipment and the reliability of power grid.
Brief description of the drawings
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the composition structure diagram of present system；
Fig. 2 is the FB(flow block) of analysis method of the present invention；
Fig. 3 is the detailed displaying figure of distribution network terminal remote measurement exception work order of the present invention；
Fig. 4 is one of list displaying figure of distribution network terminal remote measurement exception work order of the present invention；
Fig. 5 is the two of the list displaying figure of distribution network terminal remote measurement exception work order of the present invention.
Embodiment
As shown in Figure 1, a kind of distribution automation terminal remote measurement exception analysis system based on DMS systems, it includes electric current Exception monitoring module and electric voltage exception monitoring modular, current anomaly monitoring modular and electric voltage exception monitoring modular respectively with DMS systems System, distribution production system are connected, and current anomaly monitoring modular is by the real-time telemetry data of the three-phase current of DMS systems respectively with three Feeder switch electric current is compared in the history telemetry of phase current, DMS systems, judges distribution automation terminal remote measurement electric current It is whether abnormal to send remote measurement exception work order to distribution production system；And electric voltage exception monitoring modular is by the power supply of DMS systems The real-time telemetry data of side voltage between phases and load side voltage between phases are compared with history telemetry, stop voltage respectively, Judge whether distribution automation terminal remote measurement voltage is abnormal to send remote measurement exception work order to distribution production system.
The real-time telemetry data of electric current further include the real-time telemetry data of zero-sequence current, by the real-time telemetry number of zero-sequence current According to compared with 30A, judging whether distribution automation terminal remote measurement electric current is abnormal to be given birth to when being determined as exception to distribution Production system sends the abnormal work order of automation.
As shown in Figure 2-5, point of a kind of above-mentioned distribution automation terminal remote measurement exception analysis system based on DMS systems Analysis method, comprises the following steps：
1) by DMS system history datas storehouse data-interface, the every 15 minutes telemetries for reading distribution automation terminal, Because every 15 minutes of DMS systems be able to can only be selected in the telemetry value of data-base recording once each distribution automation terminal Every 15 minutes digital independents that take remote measurement, it is every 1 it is small when read distribution automation terminal before 6 hours remote measurement historical data, because It is distant with preceding 6 hours when each hour carries out computing for the every 15 minutes reading terminals telemetries from DMS systems of system Measured value contrast be substantially with the telemetry value of the computing point compared with the telemetry value of preceding 24 collection points (such as 9 points of morning into Row computing, then the telemetry value gathered at 9 points with 3 points, 3 points 15 minutes, 3 points 30 minutes ... 8 points of 45 minutes totally 24 collection points it is distant Survey is compared), it is contemplated herein that not high to distribution automation terminal remote measurement requirement of real-time, and if the time interval that compares it is short More repetition exception work order problem may be produced.
Such as：Take remote measurement data acquisition, pass through for 16.16.102.30 to distribution automation terminal IP in DMS systems Search three area's databases and obtain its nearest telemetry and be：Ia=30.4A, Ib=29.0A, Ic=27.6A, I0=0A, Uab= 10.7kV、Ubc=10.7kV, and by three area's databases when small to before the distribution automation terminal 6 every 15 minutes telemetry value into Row obtains：
Wherein：IaWhen preceding 6 is small, the value of every 15 minutes is：35.5A、35.5A、35.5A、35.5A、35.5A、35.5A、 35.4A、35.4A、35.4A、35.4A、36.2A、36.2A、39.2A、37.4A、38.4A、38.4A、40.3A、39.2A、 40.6A、36.4A、36.4A、34.0A、34.0A、31.6A；
IbWhen preceding 6 is small, the value of every 15 minutes is：33.6A、33.6A、34.8A、34.8A、34.8A、36.2A、36.2A、 34.8A、34.8A、34.8A、35.1A、35.1A、37.6A、39.0A、39.0A、39.9A、38.7A、38.7A、38.7A、 36.8A、36.8A、34.0A、35.5A、31.6A；
IcWhen preceding 6 is small, the value of every 15 minutes is：33.9A、36.3A、35.2A、36.4A、35.1A、35.1A、37.4A、 37.4A、35.4A、36.9A、36.9A、36.9A、38.8A、38.8A、38.8A、37.3A、36.3A、36.3A、36.3A、 36.3A、34.9A、34.9A、34.0A、27.6A；
UabWhen preceding 6 is small, the value of every 15 minutes is：10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、 10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、 10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV；
UbcWhen preceding 6 is small, the value of every 15 minutes is：10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、 10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、 10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV、10.7kV；
2) judge whether the three-phase current of distribution automation terminal changes：It is automatic for the distribution of 16.16.102.30 for IP Change terminal, the I finally sent in collectiona=30.4A, Ib=29.0A, Ic=27.6A, with the every 15 minutes numbers of 6 hours before The I at strong pointa、Ib、IcIt is compared, it is known that three-phase current changes in this 6 hours, and there is no telemetering of current value not to change It is abnormal, it is transferred to step 8)；Conversely, if a wherein phase current changes, judge that telemetering of current is not present in the distribution automation terminal It is worth not variation abnormality, does not process.
3) judge whether the three-phase current of distribution automation terminal is more than outlet current anomaly：Obtain in current DMS systems The affiliated feeder line of the distribution automation terminal goes out line current value.Such as：Distribution automation terminal for IP for 16.16.102.30, The terminal is three river mouth substations of southwest power supply station of water office, 710 kapok line main line #1 tower 1T1 breakers, and system obtains current 710 The current value of kapok line outlet switch collection is 38.321A, will go out line current value and the newest collection three-phase current telemetry value of terminal It is compared, draws Ia、Ib、IcRespectively less than feeder line goes out line current value, and therefore, it is different which there is no electric current is more than line current Often.
Ia、Ib、IcThe remote measurement numerical value for the terminal collection read for the calculating point of each hour from DMS systems, by Ia、Ib、Ic Respectively compared with substation's outlet switch current value of the affiliated circuit of terminal in DMS systems, under normal circumstances, outlet electricity Stream is more than terminal collection electric current, but is less than the precision of substation's collection in view of terminal harvester precision, therefore sets 20% Error range, i.e.,：If the real-time telemetry data of a wherein phase current are more than 1.2 times of feeder switch electric current in DMS systems, Judge that the distribution automation terminal electric current is more than outlet current anomaly, be transferred to step 8)；If the conversely, real-time telemetry of three-phase current Data be respectively less than or 1.2 times equal to feeder switch electric current in DMS systems, then judge the distribution automation terminal there is no electricity Stream is more than outlet current anomaly, does not process.
4) the zero-sequence current I of distribution automation terminal collection is judged0It is whether abnormal：It it is matching somebody with somebody for 16.16.102.30 for IP Automation terminal, most freshly harvested I0=0A, less than 30A, there is no I0It is abnormal, do not process；If conversely, I0It is real-time distant Survey data and be more than 30A, then judge that the distribution automation terminal has " I0It is abnormal ", it is transferred to step 8).
5) judging distribution automation terminal three-phase current, whether three-phase imbalance is abnormal：It is 16.16.102.30's for IP Distribution automation terminal, most freshly harvested Ia=30.4A, Ib=29.0A, Ic=27.6A, can calculate three-phase current average value For Iavg=(30.4+29.0+27.6) ÷ 3=29A, through comparing, three-phase electricity flow valuve without departing from average current value 20% (i.e. the real-time telemetry data of three-phase current be respectively less than or 1.2 times equal to feeder switch electric current in DMS systems), therefore do not deposit It is abnormal in three-phase current unbalance, do not process；Conversely, if the real-time telemetry data of a wherein phase current are more than in DMS systems 1.2 times of feeder switch electric current, then judge the distribution automation terminal there are electric current to be more than outlet current anomaly, be transferred to step 8)。
6) judge whether distribution automation terminal voltage changes：For the distribution automation end that IP is 16.16.102.30 End, most freshly harvested voltage telemeering value Uab=10.7kV, Ubc=10.7kV, with preceding 6 it is small when every 15 minutes data points totally 24 A voltage telemeering value is equal, and is all 10.7kV, therefore, it is determined that the distribution automation terminal do not change there are voltage telemeering value it is different Often, it is transferred to step 8)；Conversely, if wherein side voltage change, judges that " voltage telemeering value is not present in the distribution automation terminal Not variation abnormality ", does not process；
7) judge whether distribution automation terminal magnitude of voltage is abnormal：For the distribution automation end that IP is 16.16.102.30 End, most freshly harvested voltage telemeering value Uab=10.7kV, Ubc=10.7kV, compared with voltage threshold, voltage telemeering value is equal Between 9.0kV and 11.0kV, therefore the terminal is abnormal there is no magnitude of voltage, does not process；If conversely, UabAnd UbcReality When one of telemetry not in the range of stop voltage, then judge that the distribution automation terminal is abnormal there are magnitude of voltage, be transferred to step It is rapid 8).
8) comprehensive distribution network terminal remote measurement exception judging result, generates remote measurement exception work order, and be showed in system interface.It is comprehensive Close to IP as the remote measurement anomaly assessment of the distribution network terminal of 16.16.102.30 as a result, can show that the terminal has " remote measurement magnitude of voltage Not variation abnormality " situation, system will be directed to the problem and form distribution network terminal remote measurement exception work order, and remote measurement exception work order form is as schemed Shown in 3, system lists power supply station, teams and groups that the work order to be distributed according to there is abnormal terminal account, and according to terminal Abnormal conditions in work order the Novel presentation of Auto-writing terminal telemetry referred to for business personnel.On the other hand, In distribution network terminal remote measurement abnormity diagnosis function home interface, the disposition of remote measurement exception work order will be also formed, involved in work order Terminal account information, remote measurement abnormal conditions are shown with tabular form to business personnel, meanwhile, system also provides inquiry work( Can, facilitate business personnel to screen, inquired about and count the abnormal conditions of terminal, as shown in Figure 4,5.
The implementation of the present invention is not limited to this, and the above according to the present invention, knows according to the ordinary skill of this area Knowledge and customary means, under the premise of the above-mentioned basic fundamental thought of the present invention is not departed from, the present invention can also make other a variety of shapes Modification, replacement or the change of formula, all fall within rights protection scope of the present invention.

Claims (4)

  1. A kind of 1. distribution automation terminal remote measurement exception analysis system based on DMS systems, it is characterised in that：It is different that it includes electric current Normal monitoring modular and electric voltage exception monitoring modular, the current anomaly monitoring modular and electric voltage exception monitoring modular respectively with DMS System, distribution production system are connected, the current anomaly monitoring modular by the real-time telemetry data of the electric current of DMS systems respectively and Feeder switch electric current is compared in its history telemetry, DMS systems, judges whether distribution automation terminal remote measurement electric current is different Often to send remote measurement exception work order to distribution production system when being determined as exception；And the electric voltage exception monitoring modular will The mains side voltage between phases of DMS systems and the real-time telemetry data of load side voltage between phases respectively with its history telemetry, limit Constant voltage is compared, and judges whether distribution automation terminal remote measurement voltage is abnormal to be produced when being determined as exception to distribution System sends remote measurement exception work order；The real-time telemetry data of the electric current and its history telemetry include the real-time of three-phase current Telemetry and history telemetry；The real-time telemetry data of the electric current further include the real-time telemetry data of zero-sequence current, will The real-time telemetry data of zero-sequence current compared with 30A, judge distribution automation terminal remote measurement electric current it is whether abnormal so as to It is judged to sending the abnormal work order of automation to distribution production system during exception.
  2. A kind of 2. point of distribution automation terminal remote measurement exception analysis system based on DMS systems based on described in claim 1 Analysis method, it is characterised in that comprise the following steps：
    S1, current anomaly monitoring modular and electric voltage exception monitoring modular read the real-time telemetry data of distribution automation terminal and go through History telemetry, wherein, the telemetry that current anomaly monitoring modular is read includes three-phase current value Ia、IbAnd Ic, electric voltage exception The telemetry that monitoring modular is read is mains side voltage between phases UabWith load side voltage between phases Ubc；The current anomaly monitoring The telemetry that module is read further includes the zero-sequence current I of distribution automation terminal collection0If I0Real-time telemetry data be more than 30A, then judge that the distribution automation terminal has " I0It is abnormal ", it is transferred to step S7；If I0Real-time telemetry data be less than or wait In 30A, then judge that " I is not present in the distribution automation terminal0It is abnormal ", do not process；Current anomaly monitoring modular and voltage are different Normal monitoring modular is matched by distribution automation terminal IP address according to distribution automation terminal information list and accesses DMS systems Three area's databases, to read the real-time telemetry data of distribution automation terminal and history telemetry；
    S2, current anomaly monitoring modular compare Ia、Ib、IcReal-time telemetry data and its history telemetry：
    If a. unchanged, judge that the distribution automation terminal there are telemetering of current value not variation abnormality, is transferred to step S7；
    If b. a wherein phase current changes, judge that telemetering of current value not variation abnormality is not present in the distribution automation terminal, no Process；
    S3, current anomaly monitoring modular compare Ia、Ib、IcReal-time telemetry data and DMS systems in feeder switch electric current：
    A. if the real-time telemetry data of a wherein phase current judge that this is matched somebody with somebody more than 1.2 times of feeder switch electric current in DMS systems There are electric current to be more than outlet current anomaly for automation terminal, is transferred to step S7；
    If b. the real-time telemetry data of three-phase current be respectively less than or 1.2 times equal to feeder switch electric current in DMS systems, sentence There is no electric current to be more than outlet current anomaly for the fixed distribution automation terminal, does not process；
    S4, if the real-time telemetry data of a. three-phase currents respectively with average current IavgDifference be all higher than average current Iavg's 20%, then judge that the distribution automation terminal is abnormal there are three-phase current unbalance, be transferred to step S7；
    If b. the real-time telemetry data of a wherein phase current and average current IavgDifference be less than or equal to average current Iavg's 20%, then it is abnormal there is no three-phase current unbalance to judge the distribution automation terminal, is not processed；
    S5, electric voltage exception monitoring modular compare Uab、UbcReal-time telemetry data and Uab、UbcHistory telemetry：
    If a. unchanged, judge that the distribution automation terminal there are voltage telemeering value not variation abnormality, is transferred to step S7；
    If b. wherein side voltage change, the distribution automation terminal is judged there is no voltage telemeering value not variation abnormality, no Process；
    S6, if a. UabAnd UbcOne of real-time telemetry data not in the range of stop voltage, then judge the distribution automation terminal It is abnormal there are magnitude of voltage, it is transferred to step S7；
    If b. UabAnd UbcReal-time telemetry data in the range of stop voltage, then judge the distribution automation terminal there is no electricity Pressure value is abnormal, does not process；
    S7, remote measurement exception work order is sent to distribution production system.
  3. 3. analysis method according to claim 2, it is characterised in that：In the step S1, every 15 minutes, one is read The real-time telemetry data of secondary distribution automation terminal；The history of 6 hours before a hour reads distribution automation terminal Telemetry.
  4. 4. analysis method according to claim 3, it is characterised in that：Distribution production system integrates each distribution automation terminal Remote measurement abnormal conditions, automatically generate distribution automation terminal remote measurement exception work order, and form work order list, in distribution production system Display on terminal account information, remote measurement Exception Type and work order issued state situation of the displaying involved by per Zhang Gong list, Work order is handled for business personnel.
CN201510174956.8A 2015-04-13 2015-04-13 Distribution automation terminal remote measurement exception analysis system and method based on DMS systems Active CN104834305B (en)

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CN106451760B (en) * 2016-07-06 2019-08-02 国家电网公司 A kind of 500kV substation centralized control system telemetry intelligence (TELINT) method for real-time monitoring
CN110927495A (en) * 2019-12-06 2020-03-27 张彩东 Abnormity monitoring method for electric power metering terminal equipment
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