CN103679562B - Grid measurement data monitoring method and system - Google Patents

Grid measurement data monitoring method and system Download PDF

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Publication number
CN103679562B
CN103679562B CN201310722130.1A CN201310722130A CN103679562B CN 103679562 B CN103679562 B CN 103679562B CN 201310722130 A CN201310722130 A CN 201310722130A CN 103679562 B CN103679562 B CN 103679562B
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circuit
metric data
active
diversity factor
busbar voltage
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CN103679562A (en
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谢国财
邓应松
胡亚平
陈皓
周华锋
刘振国
赵旋宇
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China Southern Power Grid Co Ltd
Electric Power Research Institute of Guangdong Power Grid Co Ltd
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China Southern Power Grid Co Ltd
Electric Power Research Institute of Guangdong Power Grid Co Ltd
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Abstract

A kind of grid measurement data monitoring method and system, wherein method include:Busbar voltage metric data, the active metric data of circuit and the idle metric data of circuit of monitored network system are obtained from EMS;Each bus metric data is matched, the busbar voltage diversity factor of monitored network system is calculated according to each pairing busbar voltage metric data;The active metric data of each circuit is matched, the circuit local terminal and opposite end active power diversity factor of monitored network system are calculated according to each pairing active metric data of circuit;The idle metric data of each circuit is matched, the circuit local terminal and opposite end reactive power diversity factor of monitored network system are calculated according to each pairing idle metric data of circuit;Realized to busbar voltage, active and the idle metric data of circuit the monitoring of circuit using Threshold Analysis method, and monitored network system is alerted according to monitoring result.The efficiency for monitoring specific metric data is improve using the present invention program.

Description

Grid measurement data monitoring method and system
Technical field
The present invention relates to power network monitoring technical field, more particularly to grid measurement data monitoring method and system.
Background technology
The quality of operation of power networks basic data directly determines the practical level of various advanced analysis and application, also seriously Accuracy, reliability and lean that influence power scheduling is controlled.For grid measurement data problem, power regulation center is main It is analyzed and positioning by State Estimation means.State estimation is substantially a kind of Generalized Filter, and its general principle is It is assumed that electric network model is accurate with parameter, will be measured comprising incomplete or mistake with various constraintss using redundancy measurement information The raw data of data become correct, comprehensive ripe data, and remarkable effect has been played in terms of grid measurement data accuracy rate is improved.
However, state estimation is that all data for being monitored network system are monitored, different type amount is not accounted for The attention degree of feature difference and operation maintenance personnel to different type metric data of data is surveyed, to particular type metric data Efficiency is low in monitoring process.
The content of the invention
Based on this, it is necessary to asked for efficiency is low in the monitoring process of the particular type metric data of monitored network system Topic, there is provided a kind of grid measurement data monitoring method and system
A kind of grid measurement data monitoring method, including step:
Busbar voltage metric data, the active metric data of circuit of monitored network system are obtained from EMS With the idle metric data of circuit;
Plant stand numbering and voltage class according to the busbar voltage metric data are matched somebody with somebody each bus metric data It is right, the busbar voltage diversity factor of monitored network system is calculated according to each pairing busbar voltage metric data;
The active metric data of each circuit is matched in circuit number according to the active metric data of the circuit, according to Each pairing active metric data of circuit calculates the circuit local terminal and opposite end active power diversity factor of monitored network system;
The idle metric data of each circuit is matched in circuit number according to the idle metric data of the circuit, according to Each pairing idle metric data of circuit calculates the circuit local terminal and opposite end reactive power diversity factor of monitored network system;
Respectively by the busbar voltage diversity factor of monitored network system, circuit local terminal and opposite end active power diversity factor and line Road local terminal and opposite end reactive power diversity factor compare with corresponding predetermined threshold value, when busbar voltage diversity factor, circuit local terminal and opposite end When active power diversity factor or circuit local terminal or opposite end reactive power diversity factor are more than correspondence predetermined threshold value, to being monitored power network system System is alerted.
A kind of grid measurement data monitoring system, including:
Metric data acquisition module, the busbar voltage for obtaining monitored network system from EMS is measured The active metric data of data, circuit and the idle metric data of circuit;
Metric data matching module, will be each with voltage class for being numbered according to the plant stand of the busbar voltage metric data Individual bus metric data is matched, and the circuit number according to the active metric data of the circuit is by the active measurement number of each circuit According to being matched, the idle metric data of each circuit is matched in the circuit number according to the idle metric data of the circuit;
Metric data diversity factor computing module, for calculating monitored power network according to each pairing busbar voltage metric data The busbar voltage diversity factor of system, the circuit local terminal of monitored network system is calculated according to each pairing active metric data of circuit With opposite end active power diversity factor, the circuit local terminal of monitored network system is calculated according to each pairing idle metric data of circuit With opposite end reactive power diversity factor;
Alarm module, for respectively that the busbar voltage diversity factor of monitored network system, circuit local terminal and opposite end is active Power difference degree and circuit local terminal and opposite end reactive power diversity factor compare with corresponding predetermined threshold value, when busbar voltage diversity factor, When circuit local terminal and opposite end active power diversity factor or circuit local terminal or opposite end reactive power diversity factor are more than correspondence predetermined threshold value, Monitored network system is alerted.
Above-mentioned grid measurement data monitoring method and system, by obtaining monitored network system from EMS Busbar voltage metric data, the active metric data of circuit and the idle metric data of circuit, and completed one by one according to relevant information The pairing of metric data, obtains the busbar voltage of pairing, circuit is active and the idle metric data of circuit;And it is poor to calculate busbar voltage Different degree, circuit local terminal and opposite end active power diversity factor and circuit local terminal and opposite end reactive power diversity factor, with Threshold Analysis Method is analyzed to metric data quality and produces warning information, so as to improve the busbar voltage amount in monitored network system Survey the monitoring efficiency of data, the active metric data of circuit and the idle metric data of circuit.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of grid measurement data monitoring method embodiment of the present invention;
Fig. 2 is the structural representation of grid measurement data monitoring system embodiment of the present invention.
Specific embodiment
Each embodiment below for grid measurement data monitoring method of the present invention and system is described in detail.
As shown in figure 1, be the schematic flow sheet of grid measurement data monitoring method embodiment of the present invention, including:
Step S101:The busbar voltage metric data of monitored network system, circuit are obtained from EMS to be had Work(metric data and the idle metric data of circuit;
Can be by obtaining EMS in real time(EMS)/SCADA(Supervisory Control And Data Acquisition, data acquisition and supervisor control)In monitored network system grid measurement data, wherein, SCADA is the subset of EMS.So as to obtain the busbar voltage metric data of monitored network system, the active metric data of circuit and Circuit is idle metric data.
Wherein in one embodiment, step S101 includes:
The grid measurement data bag of monitored network system is obtained from EMS in real time;
Data type, coding rule according to grid measurement data bag are parsed to grid measurement data bag;
Type number according to metric data after parsing obtains busbar voltage metric data, the circuit of monitored network system Active metric data and the idle metric data of circuit.
The present embodiment can obtain the grid measurement data that EMS/SCADA is transmitted by real-time, and according to file type, volume Code rule grid measurement data parsed after metric data, so as to obtain busbar voltage amount according to type number Survey data, the active metric data of circuit and the idle metric data of circuit.Due to busbar voltage metric data, the active measurement number of circuit It is that power network operation maintenance personnel is paid close attention to and abnormal data easily occurs according to the idle metric data of circuit, so for emphasis measures number According to.
Wherein in one embodiment, obtain monitored from EMS by standard web-service interfaces The active metric data of the busbar voltage metric data of network system, circuit and the idle metric data of circuit.Using standard web- Service interfaces obtain grid measurement data so that the present invention is with stronger compatibility and applicability.Wherein, power grid measurement Data can be stored with the file type of the different codings such as CIM, E form rule.Specifically, reception can be realized with parsing The function of different coding rule grid measurement data, can automatically obtain the grid measurement data of EMS/SCADA transmission, and parsing is not The larger grid measurement data file of same type, coding rule difference, such as CIM files, E formatted files, and obtain bus electricity Pressure metric data, the active metric data of circuit and the idle metric data of circuit.
Step S102:Plant stand numbering and voltage class according to busbar voltage metric data enter each bus metric data Row pairing, the busbar voltage diversity factor of monitored network system is calculated according to each pairing busbar voltage metric data;
According to relevant information one by one bus complete busbar voltage metric data pairing, obtain pairing busbar voltage measure Data.Such as, wherein in one embodiment, the plant stand numbering and voltage class according to busbar voltage metric data are female by each Line metric data carries out pairing step, including:Plant stand numbering and busbar voltage according to busbar voltage metric data examine benchmark Value determines the voltage class of plant stand title and bus respectively;The busbar voltage of identical plant stand title and identical voltage class is measured Data are set to a pairing, obtain the busbar voltage metric data of pairing.
The present embodiment is numbered according to plant stand table, determines plant stand title;Numbered according to bus table, determine bus title;According to Busbar voltage examines a reference value, determines the voltage class of bus.Based on these information, plant stand each voltage etc. can be retrieved one by one All busbar voltage metric data under level, wherein each busbar voltage metric data of the identical voltage class of same plant stand is used as one Individual pairing, can complete the pairing of busbar voltage metric data accordingly.
Busbar voltage diversity factor is calculated according to the busbar voltage metric data after pairing, busbar voltage diversity factor refers to bus The difference of voltage.Such as, wherein in one embodiment, busbar voltage diversity factor is calculated using below equation:
ΔU=max|Ui-Uj|, i!=j
Wherein, Δ U represents busbar voltage diversity factor, Ui、UjRepresent a plurality of mother of identical plant stand numbering and identical voltage class I-th in line, the voltage magnitude of j bar buses.Than the bus if any n bars identical plant stand numbering and identical voltage class, then Ui、UjTable Show in n bar buses i-th, the voltage magnitude of j bar buses, Δ U is the voltage magnitude difference of any two buses in n bar buses Maximum.I is unequal with j.
Step S103:The active metric data of each circuit is matched somebody with somebody in circuit number according to the active metric data of circuit It is right, the circuit local terminal and opposite end active power difference of monitored network system are calculated according to each pairing active metric data of circuit Degree;
According to relevant information one by one circuit complete the active metric data of circuit pairing, obtain pairing the active measurement of circuit Data.Such as, wherein in one embodiment, circuit number according to the active metric data of circuit is by the active measurement of each circuit Data carry out pairing step, including:Circuit number according to the active measurement of circuit determines line name;By line name identical The active metric data of circuit is set to a pairing, obtains the active metric data of circuit of pairing.
The present embodiment determines that type is the active metric data of circuit according to the active measurement type number of circuit;According to line Road table numbering, determines line name;Identical line name is had based on the active metric data of these information and this opposite end of circuit This condition, can line-by-line path searching go out the active metric data in this opposite end of circuit, wherein the active measurement number in this opposite end of same circuit According to as a pairing, the pairing of the active metric data of circuit can be completed accordingly.
Circuit is calculated locally and opposite end active power diversity factor according to the active metric data of circuit after pairing, circuit is local With the difference that opposite end active power diversity factor refers to circuit two ends active power.Such as, wherein in one embodiment, according to each The active metric data of individual pairing circuit calculates the circuit local terminal and opposite end active power diversity factor step of monitored network system, bag Include:
Circuit local terminal and opposite end active power diversity factor are calculated using below equation:
ΔP=|Pb+Pd|
Wherein, Δ P represents circuit local terminal and opposite end active power diversity factor, PbRepresent circuit local terminal active power, PdRepresent The active power of circuit opposite end.Due to this opposite end of same circuit, one flows into an outflow, thus the active numerical symbol in this opposite end Conversely.Here PbAnd PdIt is the numerical value of tape symbol.
Step S104:The idle metric data of each circuit is matched somebody with somebody in circuit number according to the idle metric data of circuit It is right, the circuit local terminal and opposite end reactive power difference of monitored network system are calculated according to each pairing idle metric data of circuit Degree;
According to relevant information one by one circuit complete the idle metric data of circuit pairing, obtain pairing the idle measurement of circuit Data.Such as, wherein in one embodiment, circuit number according to the idle metric data of circuit is by the idle measurement of each circuit Data carry out pairing step, including:
Circuit number according to the idle metric data of circuit determines line name;
The line name idle metric data of identical circuit is set to a pairing, the idle measurement number of circuit of pairing is obtained According to.
The present embodiment determines that type is the idle metric data of circuit according to the idle measurement type number of circuit;According to line Road table numbering, determines line name;Identical line name is had based on the idle metric data of these information and this opposite end of circuit This condition, can line-by-line path searching go out the idle metric data in this opposite end of circuit, wherein the idle measurement number in this opposite end of same circuit According to as a pairing, the pairing of the idle metric data of circuit can be completed accordingly.
Circuit is calculated locally and opposite end reactive power diversity factor according to the idle metric data of circuit after pairing, circuit is local With the difference that opposite end reactive power diversity factor refers to circuit two ends reactive power.Such as, wherein in one embodiment, according to each The idle metric data of individual pairing circuit calculates the circuit local terminal and opposite end reactive power diversity factor step of monitored network system, bag Include:
Circuit local terminal and opposite end reactive power diversity factor are calculated using below equation:
ΔQ=||Qm|-|Qn||
Wherein, Δ Q represents circuit local terminal and opposite end reactive power diversity factor, QmRepresent the reactive power of circuit local terminal, QnTable The reactive power of timberline road opposite end.
Step S105:Respectively by the busbar voltage diversity factor of monitored network system, circuit local terminal and opposite end active power Diversity factor and circuit local terminal and opposite end reactive power diversity factor compare with corresponding predetermined threshold value, when busbar voltage diversity factor, circuit When local terminal and opposite end active power diversity factor or circuit local terminal or opposite end reactive power diversity factor are more than correspondence predetermined threshold value, to quilt Monitoring network system is alerted.
This programme is that and circuit idle metric data active to busbar voltage, circuit is realized by the way of Threshold Analysis method Monitoring.
Busbar voltage diversity factor threshold value corresponding with busbar voltage metric data is compared, if busbar voltage difference Number of degrees value is not more than its corresponding threshold value, then indicate busbar voltage emphasis metric data without exception;Conversely, working as busbar voltage difference When number of degrees value is more than its corresponding threshold value, then indicates busbar voltage metric data and there is exception, monitored network system is carried out Alert and produce corresponding warning information in window is alerted.Busbar voltage diversity factor threshold value can be according to quality of data precision and examination Demand be configured or change.
Circuit local terminal and opposite end active power diversity factor threshold value corresponding with the active metric data of circuit are compared, such as The active diversity factor numerical value in this opposite end of fruit circuit is not more than its corresponding threshold value, then indicate the active emphasis metric data of circuit and be as good as Often;Conversely, when the active diversity factor numerical value in this opposite end of circuit is more than its corresponding threshold value, then indicating the active metric data of circuit and depositing In exception, monitored network system is alerted and corresponding warning information is produced in window is alerted.This opposite end of circuit is active Diversity factor threshold value can be configured or change according to quality of data precision with the demand of examination.
Circuit local terminal and opposite end reactive power diversity factor threshold value corresponding with the idle metric data of circuit are compared, such as This opposite end of fruit circuit is idle, and diversity factor numerical value is not more than its corresponding threshold value, then indicate the idle emphasis metric data of circuit and be as good as Often;Conversely, when the idle diversity factor numerical value in this opposite end of circuit is more than its corresponding threshold value, then indicating the idle metric data of circuit and depositing In exception, monitored network system is alerted and corresponding warning information is produced in window is alerted.This opposite end of circuit is idle Diversity factor threshold value can be configured or change according to quality of data precision with the demand of examination.
Using in Threshold Analysis method, as long as the active metric data of busbar voltage metric data, circuit, circuit is idle amount Survey data one of abnormal, monitored network system is alerted.
Wherein, step S102, step S103, step S104 are limited without order, can freely be adjusted, it is also possible to while entering OK.In addition, the various embodiments described above can be will not be repeated here with independent assortment.
Grid measurement data monitoring method of the invention, can obtain EMS/SCADA using standard WEB SERVICE interfaces The grid measurement data of transmission, it is automatic to parse and treatment power network emphasis metric data, energy with stronger compatibility and applicability The grid measurement data of different type, different coding rule is parsed and processed, and number is measured by different type emphasis According to inherent feature realize active and the idle three kinds of emphasis metric data of circuit the retrieval of busbar voltage, circuit with pairing, adopt Reflect female with analysis respectively with busbar voltage diversity factor, the idle diversity factor of the active diversity factor in this opposite end of circuit and this opposite end of circuit Active and the idle three kinds of emphasis metric data of circuit the quality problems of line voltage, circuit, so as to improve monitored network system In busbar voltage metric data, the active metric data of circuit and the idle metric data of circuit monitoring efficiency, and can be Operation maintenance personnel is analyzed and provides effective warning information with positioning power network emphasis metric data problem, for ensuring that power network emphasis measures number According to quality so that lifted power network overall data quality have very strong realistic meaning.
All or part of flow in the various embodiments described above method is realized, computer program completion, the program is can be by Can be stored in computer read/write memory medium, the program is upon execution, it may include such as the flow of the embodiment of the method.Its In, the storage medium can be CD, disk, read-only memory(Read-Only Memory,ROM)Or random storage memory Body(Random Access Memory,RAM)Deng.
The present invention also provides a kind of grid measurement data monitoring system, as shown in Fig. 2 for invention grid measurement data is monitored The structural representation of system embodiment, including:
Metric data acquisition module 210, the busbar voltage for obtaining monitored network system from EMS The active metric data of metric data, circuit and the idle metric data of circuit;
Metric data matching module 220, will be each with voltage class for being numbered according to the plant stand of busbar voltage metric data Individual bus metric data is matched, and the active metric data of each circuit is entered in the circuit number according to the active metric data of circuit The idle metric data of each circuit is matched in row pairing, the circuit number according to the idle metric data of circuit;
Metric data diversity factor computing module 230, for calculating monitored according to each pairing busbar voltage metric data The busbar voltage diversity factor of network system, the circuit of monitored network system is calculated according to each pairing active metric data of circuit Local terminal and opposite end active power diversity factor, the circuit of monitored network system is calculated according to each pairing idle metric data of circuit Local terminal and opposite end reactive power diversity factor;
Alarm module 240, for respectively having the busbar voltage diversity factor of monitored network system, circuit local terminal and opposite end Work(power difference degree and circuit local terminal and opposite end reactive power diversity factor compare with corresponding predetermined threshold value, when busbar voltage difference Degree, circuit local terminal and opposite end active power diversity factor or circuit local terminal or opposite end reactive power diversity factor are more than correspondence predetermined threshold value When, monitored network system is alerted.
Wherein in one embodiment, metric data acquisition module 210 includes:
Grid measurement data bag acquisition module, the electricity for obtaining monitored network system from EMS in real time Net metric data bag;
Parsing module, enters for the data type according to grid measurement data bag, coding rule to grid measurement data bag Row parsing;
Sub- metric data acquisition module, monitored network system is obtained for the type number according to metric data after parsing Busbar voltage metric data, the active metric data of circuit and the idle metric data of circuit.
Wherein in one embodiment, metric data matching module 220 includes busbar voltage metric data matching module, line The active metric data matching module in road and the idle metric data matching module of circuit,
Busbar voltage metric data matching module includes:
Title and level determination module, for examining base according to the plant stand of busbar voltage metric data numbering and busbar voltage Quasi- value determines the voltage class of plant stand title and bus respectively;
First sub- matching module, for the busbar voltage metric data of identical plant stand title and identical voltage class to be set to One pairing, obtains the busbar voltage metric data of pairing,
Wherein in one embodiment, metric data matching module 220 includes busbar voltage metric data matching module, line The active metric data matching module in road and the idle metric data matching module of circuit,
The active metric data matching module of circuit includes:
First line title determining module, for determining line name according to the circuit number of the active measurement of circuit;
Second sub- matching module, for the line name active metric data of identical circuit to be set into a pairing, obtains The active metric data of circuit of pairing,
Wherein in one embodiment, metric data matching module 220 includes busbar voltage metric data matching module, line The active metric data matching module in road and the idle metric data matching module of circuit,
Circuit is idle, and metric data matching module includes:
Second line name determining module, for determining line name according to the circuit number of the idle metric data of circuit;
3rd sub- matching module, for the line name idle metric data of identical circuit to be set into a pairing, obtains The idle metric data of circuit of pairing.
Wherein in one embodiment, metric data diversity factor computing module 230 includes busbar voltage metric data difference Degree computing module, the active metric data diversity factor computing module of circuit and the idle metric data diversity factor computing module of circuit,
Busbar voltage metric data diversity factor computing module is used for:
Busbar voltage diversity factor is calculated using below equation:
ΔU=max|Ui-Uj|, i!=j
Wherein, Δ U represents busbar voltage diversity factor, Ui、UjRepresent a plurality of mother of identical plant stand numbering and identical voltage class I-th in line, the voltage magnitude of j bar buses,
Wherein in one embodiment, metric data diversity factor computing module 230 includes busbar voltage metric data difference Degree computing module, the active metric data diversity factor computing module of circuit and the idle metric data diversity factor computing module of circuit,
The active metric data diversity factor computing module of circuit is used for:
Circuit local terminal and opposite end active power diversity factor are calculated using below equation:
ΔP=|Pb+Pd|
Wherein, Δ P represents circuit local terminal and opposite end active power diversity factor, PbRepresent circuit local terminal active power, PdRepresent The active power of circuit opposite end,
Wherein in one embodiment, metric data diversity factor computing module 230 includes busbar voltage metric data difference Degree computing module, the active metric data diversity factor computing module of circuit and the idle metric data diversity factor computing module of circuit,
Circuit is idle, and metric data diversity factor computing module is used for:
Circuit local terminal and opposite end reactive power diversity factor are calculated using below equation:
ΔQ=||Qm|-|Qn||
Wherein, Δ Q represents circuit local terminal and opposite end reactive power diversity factor, QmRepresent the reactive power of circuit local terminal, QnTable The reactive power of timberline road opposite end.
Wherein in one embodiment, metric data acquisition module 210 is used for by standard web-service interfaces from energy Busbar voltage metric data, the active metric data of circuit and the idle amount of circuit of monitored network system are obtained in amount management system Survey data.
The various embodiments described above can be with independent assortment, and grid measurement data monitoring system of the invention and electricity of the invention Net metric data monitoring method is one-to-one, the correlation technique feature in above-mentioned grid measurement data monitoring method embodiment And its technique effect will not be repeated here suitable for grid measurement data monitoring system embodiment.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (8)

1. a kind of grid measurement data monitoring method, it is characterised in that including step:
Busbar voltage metric data, the active metric data of circuit and the line of monitored network system are obtained from EMS Road is idle metric data;
Plant stand numbering and voltage class according to the busbar voltage metric data are matched each bus metric data, by Individual plant stand retrieves all busbar voltage metric data under each voltage class, according to each pairing busbar voltage metric data meter Calculate the busbar voltage diversity factor of monitored network system;Busbar voltage diversity factor is calculated using below equation:
Δ U=max | Ui-Uj|, i!=j
Wherein, Δ U represents busbar voltage diversity factor, Ui、UjRepresent that identical plant stand is numbered and in a plurality of bus of identical voltage class I-thth, the voltage magnitude of j bars bus;
Circuit is matched the active metric data of each circuit one by one for circuit number according to the active metric data of the circuit, The circuit local terminal and opposite end active power diversity factor of monitored network system are calculated according to each pairing active metric data of circuit; Circuit local terminal and opposite end active power diversity factor are calculated using below equation:
Δ P=| Pb+Pd|
Wherein, Δ P represents circuit local terminal and opposite end active power diversity factor, PbRepresent circuit local terminal active power, PdRepresent circuit The active power of opposite end;
Circuit is matched the idle metric data of each circuit one by one for circuit number according to the idle metric data of the circuit, The circuit local terminal and opposite end reactive power diversity factor of monitored network system are calculated according to each pairing idle metric data of circuit; Circuit local terminal and opposite end reactive power diversity factor are calculated using below equation:
Δ Q=| | Qm|-|Qn||
Wherein, Δ Q represents circuit local terminal and opposite end reactive power diversity factor, QmRepresent the reactive power of circuit local terminal, QnRepresent line The reactive power of road opposite end;
Respectively by the busbar voltage diversity factor of monitored network system, circuit local terminal and opposite end active power diversity factor and circuit sheet End and opposite end reactive power diversity factor compare with corresponding predetermined threshold value, when busbar voltage diversity factor, circuit local terminal and opposite end are active When power difference degree or circuit local terminal and opposite end reactive power diversity factor are more than correspondence predetermined threshold value, monitored network system is entered Row alarm;Wherein, according to quality of data accuracy constraint condition to busbar voltage diversity factor threshold value, the active diversity factor in this opposite end of circuit The idle diversity factor threshold value of threshold value and this opposite end of circuit is configured.
2. grid measurement data monitoring method according to claim 1, it is characterised in that described from EMS Busbar voltage metric data, the active metric data of circuit and the idle metric data step of circuit of monitored network system are obtained, Including:
The grid measurement data bag of monitored network system is obtained from EMS in real time;
Data type, coding rule according to grid measurement data bag are parsed to the grid measurement data bag;
It is active that type number according to metric data after parsing obtains the busbar voltage metric data of monitored network system, circuit Metric data and the idle metric data of circuit.
3. grid measurement data monitoring method according to claim 1 and 2, it is characterised in that
It is described to be matched somebody with somebody each bus metric data according to the plant stand of busbar voltage metric data numbering and voltage class To step, including:
According to the busbar voltage metric data plant stand numbering and busbar voltage examination a reference value determine respectively plant stand title and The voltage class of bus;
The busbar voltage metric data of identical plant stand title and identical voltage class is set to a pairing, the bus of pairing is obtained Voltage metric data,
And/or
The active metric data of each circuit is carried out pairing step by the circuit number according to the active metric data of the circuit, bag Include:
Circuit number according to the active measurement of the circuit determines line name;
The line name active metric data of identical circuit is set to a pairing, the active metric data of circuit of pairing is obtained,
And/or
The idle metric data of each circuit is carried out pairing step by the circuit number according to the idle metric data of the circuit, Including:
Circuit number according to the idle metric data of the circuit determines line name;
The line name idle metric data of identical circuit is set to a pairing, the idle metric data of circuit of pairing is obtained.
4. grid measurement data monitoring method according to claim 1 and 2, it is characterised in that described from energy management system The idle metric data step of busbar voltage metric data, the active metric data of circuit and circuit of monitored network system is obtained in system Suddenly, including:
The busbar voltage that monitored network system is obtained from EMS by standard web-service interfaces measures number According to, the active metric data of circuit and the idle metric data of circuit.
5. a kind of grid measurement data monitoring system, it is characterised in that including:
Metric data acquisition module, the busbar voltage for obtaining monitored network system from EMS measures number According to, the active metric data of circuit and the idle metric data of circuit;
Metric data matching module, for according to the plant stand of busbar voltage metric data numbering and voltage class that each is female Line metric data is matched, and plant stand retrieves all busbar voltage metric data under each voltage class one by one, according to described Circuit is matched the active metric data of each circuit one by one for the circuit number of the active metric data of circuit, according to the circuit Circuit is matched the idle metric data of each circuit one by one for the circuit number of idle metric data;Calculated using below equation Busbar voltage diversity factor:
Δ U=max | Ui-Uj|, i!=j
Wherein, Δ U represents busbar voltage diversity factor, Ui、UjRepresent that identical plant stand is numbered and in a plurality of bus of identical voltage class I-thth, the voltage magnitude of j bars bus;Circuit local terminal and opposite end active power diversity factor are calculated using below equation:
Δ P=| Pb+Pd|
Wherein, Δ P represents circuit local terminal and opposite end active power diversity factor, PbRepresent circuit local terminal active power, PdRepresent circuit The active power of opposite end;Circuit local terminal and opposite end reactive power diversity factor are calculated using below equation:
Δ Q=| | Qm|-|Qn||
Wherein, Δ Q represents circuit local terminal and opposite end reactive power diversity factor, QmRepresent the reactive power of circuit local terminal, QnRepresent line The reactive power of road opposite end;
Metric data diversity factor computing module, for calculating monitored network system according to each pairing busbar voltage metric data Busbar voltage diversity factor, the circuit local terminal of monitored network system and right is calculated according to each active metric data of pairing circuit End active power diversity factor, the circuit local terminal of monitored network system and right is calculated according to each idle metric data of pairing circuit End reactive power diversity factor;
Alarm module, for respectively by the busbar voltage diversity factor of monitored network system, circuit local terminal and opposite end active power Diversity factor and circuit local terminal and opposite end reactive power diversity factor compare with corresponding predetermined threshold value, when busbar voltage diversity factor, circuit When local terminal and opposite end active power diversity factor or circuit local terminal and opposite end reactive power diversity factor are more than correspondence predetermined threshold value, to quilt Monitoring network system is alerted;Wherein, according to quality of data accuracy constraint condition to busbar voltage diversity factor threshold value, circuit sheet The idle diversity factor threshold value of the active diversity factor threshold value in opposite end and this opposite end of circuit is configured.
6. grid measurement data monitoring system according to claim 5, it is characterised in that the metric data acquisition module Including:
Grid measurement data bag acquisition module, the power network amount for obtaining monitored network system from EMS in real time Survey packet;
Parsing module, enters for the data type according to grid measurement data bag, coding rule to the grid measurement data bag Row parsing;
Sub- metric data acquisition module, the mother of monitored network system is obtained for the type number according to metric data after parsing The active metric data of line voltage metric data, circuit and the idle metric data of circuit.
7. the grid measurement data monitoring system according to claim 5 or 6, it is characterised in that metric data matching module Including busbar voltage metric data matching module, the active metric data matching module of circuit and the idle metric data matched dies of circuit Block,
The busbar voltage metric data matching module includes:
Title and level determination module, for examining base according to the plant stand of busbar voltage metric data numbering and busbar voltage Quasi- value determines the voltage class of plant stand title and bus respectively;
First sub- matching module, for the busbar voltage metric data of identical plant stand title and identical voltage class to be set into one Pairing, obtains the busbar voltage metric data of pairing,
And/or
The active metric data matching module of circuit includes:
First line title determining module, for determining line name according to the circuit number of the active measurement of the circuit;
Second sub- matching module, for the line name active metric data of identical circuit to be set into a pairing, is matched The active metric data of circuit,
And/or
The idle metric data matching module of circuit includes:
Second line name determining module, for determining line name according to the circuit number of the idle metric data of the circuit;
3rd sub- matching module, for the line name idle metric data of identical circuit to be set into a pairing, is matched The idle metric data of circuit.
8. the grid measurement data monitoring system according to claim 5 or 6, it is characterised in that the metric data is obtained Module is used to be obtained from EMS by standard web-service interfaces the busbar voltage amount of monitored network system Survey data, the active metric data of circuit and the idle metric data of circuit.
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