CN104991218A - System monitoring operation state of electric energy metering device - Google Patents

System monitoring operation state of electric energy metering device Download PDF

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Publication number
CN104991218A
CN104991218A CN201510344725.7A CN201510344725A CN104991218A CN 104991218 A CN104991218 A CN 104991218A CN 201510344725 A CN201510344725 A CN 201510344725A CN 104991218 A CN104991218 A CN 104991218A
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electric power
power meter
monitoring
state
actual
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CN201510344725.7A
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CN104991218B (en
Inventor
周峰
程瑛颖
侯兴哲
周孔均
肖冀
杜杰
杨华潇
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Electric Power Research Institute of State Grid Chongqing Electric Power Co Ltd
State Grid Corp of China SGCC
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Electric Power Research Institute of State Grid Chongqing Electric Power Co Ltd
State Grid Corp of China SGCC
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Abstract

The invention discloses a system monitoring an operation state of an electric energy metering device. The system comprises an obtaining module, a first calculation module, a second calculation module and a first determination module; the obtaining module is used to obtain basic information of the electric energy metering device and real-time acquired actual operation data; the first calculation module is used to calculate an actual monitoring value corresponding to a state quantity through the data obtained by the obtaining module according to a first preset rule, and the state quantity is a state parameter reflecting the operation state of the electric energy metering device; the second calculation module is used to obtain an overall actual state value reflecting an overall operation state of the electric energy metering device through comprehensive calculation of multiple actual monitoring values according to a second preset rule; and the first determination module is used to determine an actual operation state corresponding to the overall actual state value. The system, provided by the invention, monitoring the operation state of the electric energy metering device does not need manual on-site operation and can achieve real-time monitoring of the operation state of the device.

Description

A kind of system of monitoring electric power meter running status
Technical field
The present invention relates to Electric Energy Metering Technology field, particularly relate to a kind of system of monitoring electric power meter running status.
Background technology
The field test work of current electric energy meter mainly according to DL/T448-2000 " electric power meter technical management code ", rely on regularly the show up mode of inspection of staff to carry out, DL/T448-2000 " electric power meter technical management code " is fully booked in 1998 annual overhauls, issuing and implementation in 2000.Main flow electric energy meter is at that time mechanical type, electromechanical electric energy meter, and its characteristic is: working time is longer, and mechanical friction resistance is larger, causes the error in dipping showing meter to change.Owing to lacking the robotization such as remote meter reading, on-line monitoring means, human at periodic intervals's field test can only be relied on, judge whether overproof.
And electronic electric energy meter, intelligent electric energy meter have become main flow in current Corporation system, different from mechanical power energy meter, the error in dipping of electronic electric energy meter is more stable within the calibration interval, and metering collection coverage rate surpasses 70%, and the robotization means such as metering on-line monitoring are enriched constantly.Company implements overall process quality supervision and control to intelligent electric energy meter, until overall process out of service before containing bid, before the supply of material, after arrival, in operation, electric energy meter quality is more stable.Therefore, human at periodic intervals's field test is no longer unique technical supervision means, and increasing electric energy meter operation problem is found by robotization means such as on-line monitorings.
The operation of electric power meter is manually shown up, the classic method of periodic operation, cannot Real-Time Monitoring electric power meter operating mode, can not Timeliness coverage, handling failure, bring certain hidden danger to the safe and stable operation of electric power meter.
Therefore, the present invention is based on that intelligent electric energy meter advanced technology and steady quality are reliable, progressively the expanding and the feature of overall application of SG186 sales service system of power information acquisition system coverage rate, provide a kind of operation information data utilizing Real-time Collection to arrive, to the system that the running status of electric power meter is monitored.
Summary of the invention
The object of this invention is to provide a kind of system of monitoring electric power meter running status, to carry out Real-Time Monitoring to the running status of electric power meter.
For solving the problems of the technologies described above, the invention provides a kind of system of monitoring electric power meter running status, comprising:
Acquisition module, the actual operating data that essential information and Real-time Collection for obtaining electric power meter arrive;
First computing module, for the data got by described acquisition module, calculate the actual monitoring value corresponding to quantity of state according to default first rule, described quantity of state is the state parameter of the running status reflecting described electric power meter;
Second computing module, for according to presetting Second Rule, obtains by multiple actual monitoring value COMPREHENSIVE CALCULATING the overall actual condition value reflecting described electric power meter overall operation state;
First determination module, for searching the first corresponding relation model of default state value and running status, determines the actual motion state corresponding to described overall actual condition value.
Alternatively, also comprise:
Choose module, for choosing multiple state parameters of reflection electric power meter running status in advance as described quantity of state.
Alternatively, also comprise:
First sets up module, for the numerical value of state value is carried out segmentation, sets up the first corresponding relation model of described state value and running status in advance.
Alternatively, also comprise:
Trigger module, for when monitoring after electric power meter meets preset trigger condition, issues the instruction of monitoring described electric power meter running status.
Alternatively, the trigger condition of described trigger module comprises:
Family's defect trigger condition, on-line monitoring trigger condition, field test trigger condition and regular trigger condition.
Alternatively, also comprise:
Detection module, before calculating the actual monitoring value corresponding to quantity of state at described first computing module according to default first rule, detects described electric power meter and whether there is fault.
Alternatively, also comprise:
Second determination module, for the actual motion state obtained by described first determination module, is searched the second corresponding relation model of default actual motion state and overhaul data, determines the overhaul data corresponding with described actual motion state.
Alternatively, also comprise:
Second sets up module, for setting up the second corresponding relation model of actual motion state and overhaul data in advance.
Alternatively, also comprise:
Alarm module, for when determining the actual motion state of described electric power meter for exception, issues the instruction of pointing out and overhauling described electric power meter.
The system of monitoring electric power meter running status provided by the present invention, utilize the operation information data that the essential information of acquisition electric power meter and Real-time Collection arrive, by the first rule and the Second Rule preset, generate the overall actual condition value of this electric power meter overall operation state of reflection, to determine the actual motion state of electric power meter.The system of monitoring electric power meter running status provided by the present invention, does not need manually to carry out execute-in-place, can realize Real-Time Monitoring to the running status of device.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a kind of embodiment of the system of monitoring electric power meter running status provided by the present invention;
Fig. 2 is the structured flowchart of the another kind of embodiment of the system of monitoring electric power meter running status provided by the present invention.
Embodiment
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, this device comprises the structured flowchart of a kind of embodiment of the system of monitoring electric power meter running status provided by the present invention:
Acquisition module 101, the actual operating data that essential information and Real-time Collection for obtaining electric power meter arrive;
First computing module 102, for the data got by described acquisition module, calculate the actual monitoring value corresponding to quantity of state according to default first rule, described quantity of state is the state parameter of the running status reflecting described electric power meter;
Second computing module 103, for according to presetting Second Rule, obtains by multiple actual monitoring value COMPREHENSIVE CALCULATING the overall actual condition value reflecting described electric power meter overall operation state;
First determination module 104, for searching the first corresponding relation model of default state value and running status, determines the actual motion state corresponding to described overall actual condition value.
The system of monitoring electric power meter running status provided by the present invention, utilize the operation information data that the essential information of acquisition electric power meter and Real-time Collection arrive, by the first rule and the Second Rule preset, generate the overall actual condition value of this electric power meter overall operation state of reflection, to determine the actual motion state of electric power meter.The system of monitoring electric power meter running status provided by the present invention, does not need manually to carry out execute-in-place, can realize Real-Time Monitoring to the running status of device.
As shown in Figure 2, this device comprises the structured flowchart of the another kind of embodiment of the system of monitoring electric power meter running status provided by the present invention:
Trigger module 201, for when monitoring after electric power meter meets preset trigger condition, issues the instruction of monitoring described electric power meter running status.
The trigger condition of described trigger module comprises:
Family's defect trigger condition, on-line monitoring trigger condition, field test trigger condition and regular trigger condition.
Wherein, family's defect trigger condition, for after having family's defect to be confirmed, carries out status monitoring to this family's electric energy meter immediately;
On-line monitoring trigger condition, for after on-line monitoring discovery electric energy meter is abnormal, carries out status monitoring to this electric energy meter immediately;
Field test trigger condition, for after electric energy meter field inspection man completes, carries out status monitoring to this electric energy meter immediately;
Regular trigger condition be the electric energy meter state evaluation cycle according to affiliated measuring apparatus type, carry out status monitoring with different time interval respectively.Preferably, evaluation cycle can select the cycle in following table 1.
Table 1
Detection module 202, before calculating the actual monitoring value corresponding to quantity of state at described first computing module according to default first rule, detects described electric power meter and whether there is fault.
Acquisition module 203, the actual operating data that essential information and Real-time Collection for obtaining electric power meter arrive;
First computing module 204, for the data got by described acquisition module, calculate the actual monitoring value corresponding to quantity of state according to default first rule, described quantity of state is the state parameter of the running status reflecting described electric power meter;
As a kind of embodiment, the system of monitoring electric power meter running status provided by the present invention can also be provided with further: choose module, for choosing multiple state parameters of reflection electric power meter running status in advance as described quantity of state.
Particularly, can according to electric energy meter equipment Foundations information, electric energy meter batch operation, electric energy meter operating analysis, event type and the several aspect of on-line monitoring, in conjunction with the ripe infosystem such as power information collection, sales service application, metering production scheduling platform run, have chosen and can reflect that electric energy meter runs the quantity of state of degree accurately and reliably.
In the present embodiment, difference selected equipment Back ground Information quantity of state A, batch state amount B, operating analysis quantity of state C, event type quantity of state D and/or on-line monitoring quantity of state S are as quantity of state.
Particularly, the rule by being described in table 2 below determines the actual monitoring value of each quantity of state in equipment Foundations information state amount A: Phenotypic Selection actual monitoring value G 1, laboratory verification report actual monitoring value G 2, first inspection record actual monitoring value G 3, working time actual monitoring value G 4, fundamental error actual monitoring value G 5and error diffusion actual monitoring value G 6.
Table 2
Particularly, the rule by being described in table 3 below determines the actual monitoring value of each quantity of state in batch state amount B: operation troubles rate actual monitoring value K 1, run sampling observation situation actual monitoring value K 2and batch return of goods rate actual monitoring value K 3.
Table 3
Particularly, the rule by being described in table 4 below determines the actual monitoring value of each quantity of state in operating analysis quantity of state C: apparent condition actual monitoring value T 1, clock actual monitoring value T 2, lead sealing state actual monitoring value T 3, ambient temperature and humidity actual monitoring value T 4, interference of electromagnetic field actual monitoring value T 5, load character actual monitoring value T 6, harmonic effects actual monitoring value T 7, working voltage actual monitoring value T 8, frequency jitter actual monitoring value T 9, kinematic error actual monitoring value T 10and user's prestige actual monitoring value T 11.
Table 4
Particularly, the rule by being described in table 5 below determines the actual monitoring value of each quantity of state in event type quantity of state D: decompression actual monitoring value Y 1, defluidization actual monitoring value Y 2, current imbalance actual monitoring value Y 3, Voltage unbalance actual monitoring value Y 4, under-voltage actual monitor value Y 5, the actual monitor value Y of overvoltage 6, overcurrent actual monitoring value Y 7, voltage negative phase sequence actual monitoring value Y 8, full decompression actual monitoring value Y 9and disconnected phase actual monitoring value Y 10.
Table 5
Particularly, the rule by being described in table 6 below determines the actual monitoring value of each quantity of state in on-line monitoring quantity of state S: the abnormal actual monitoring value M of electricity 1, the abnormal actual monitoring value M of electric current and voltage 2, abnormal electricity consumption actual monitoring value M 3, the abnormal actual monitoring value M of load 4, the abnormal actual monitoring value M of clock 5, the abnormal actual monitoring value M of wiring 6and take the abnormal actual monitoring value M of control 7.
Table 6
Second computing module 205, for according to presetting Second Rule, obtains by multiple actual monitoring value COMPREHENSIVE CALCULATING the overall actual condition value Z reflecting described electric power meter overall operation state;
By the actual monitoring value of each quantity of state in actual monitoring to described equipment Foundations information state amount A, batch state amount B, operating analysis quantity of state C, event type quantity of state D and on-line monitoring quantity of state S, calculate equipment Foundations information actual condition value G, batch actual condition value K, operating analysis actual condition value T, event type actual condition value Y and on-line monitoring actual condition value M;
As a kind of embodiment, respectively the actual monitoring value of each quantity of state in described equipment Foundations information state amount A, batch state amount B, operating analysis quantity of state C, event type quantity of state D and on-line monitoring quantity of state S can be added, obtain the value of equipment Foundations information actual condition value G, batch actual condition value K, operating analysis actual condition value T, event type actual condition value Y and on-line monitoring actual condition value M successively.
That is, following formulae discovery specifically can be adopted to obtain the value of G, K, T, Y and M:
G = Σ i = 1 6 G i , K = Σ i = 1 3 K i , T = Σ i = 1 11 T i , y = Σ i = 1 10 Y i , M = Σ i = 1 10 M i .
Then, by described equipment Foundations information actual condition value G, batch actual condition value K, operating analysis actual condition value T, event type actual condition value Y and on-line monitoring actual condition value M, described overall actual condition value Z is calculated.
Particularly, can adopt but be not limited to following formula to calculate described overall actual condition value Z:
Z=G+K+T+Y or Z=G+K+T+M.
First determination module 206, for searching the first corresponding relation model of default state value and running status, determines the actual motion state corresponding to described overall actual condition value.
As a kind of preferred implementation, the system of monitoring electric power meter running status provided by the present invention can further include: first sets up module, for the numerical value of state value is carried out segmentation, set up the first corresponding relation model of described state value and running status in advance.
By in the overall actual condition value Z that calculates, in the mapping table preset, search the running status corresponding with the interval at Z value place.As when Z value is 60, determine that the running status of electric energy meter is normal.
Electric energy meter running status is by bad sequence being well: the good normal > of > notices that > is abnormal, and when absolute score value and twice poor state judged of state score inconsistent time, get poor state.
Second determination module 207, for the actual motion state obtained by described first determination module, is searched the second corresponding relation model of default actual motion state and overhaul data, determines the overhaul data corresponding with described actual motion state.
The system of monitoring electric power meter running status provided by the present invention can further include: second sets up module, for setting up the second corresponding relation model of actual motion state and overhaul data in advance.
Table 7
Particularly, based on measuring apparatus type belonging to electric energy meter, each state electric energy meter field Maintain strategy can be formulated after each electric energy meter status monitoring, as shown in table 7.Field test plan can also be formulated further after each output electric energy meter field Maintain strategy according to this programme.
Alarm module 208, for when determining the actual motion state of described electric power meter for exception, issues the instruction of pointing out and overhauling described electric power meter.
Tradition is normally manually shown up to the monitoring of electric power meter, periodic operation, there is following problems: cycle field test workload is large, expends more human and material resources, financial resources, and work efficiency is low, field staff and safe operation of electric network risk high; Cannot Real-Time Monitoring electric power meter operating mode, can not Timeliness coverage, handling failure; And Chongqing electricity grid stoichiometric point is widely distributed, the geographical conditions based on mountain region determine that road conditions is poor, and the traffic safety risk in way far away of cycle Site Detection is high; Although existing on-the-spot periodic inspection method can find the defect existed in electric energy meter work, also there is certain blindness, and its real-time running state can not be grasped.Specific aim is strong and check the not enough safe and stable operation to electric power meter to bring certain hidden danger.
And the system of monitoring electric power meter running status provided by the present invention, utilize the real-time traffic information data of the electric power meter collected, by the first rule and the Second Rule preset, generate the overall actual condition value of this electric power meter overall operation state of reflection, to determine the actual motion state of electric power meter.The system of monitoring electric power meter running status provided by the present invention, do not need manually to carry out execute-in-place, can realize Real-Time Monitoring to the running status of device, Timeliness coverage is to fix a breakdown.
Meanwhile, monitoring system provided by the present invention carries out field monitoring owing to not needing relevant staff, avoids a large amount of human and material resources, the consumption of financial resources, improves work efficiency.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, between each embodiment same or similar part mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (9)

1. monitor a system for electric power meter running status, it is characterized in that, comprising:
Acquisition module, the actual operating data that essential information and Real-time Collection for obtaining electric power meter arrive;
First computing module, for the data got by described acquisition module, calculate the actual monitoring value corresponding to quantity of state according to default first rule, described quantity of state is the state parameter of the running status reflecting described electric power meter;
Second computing module, for according to presetting Second Rule, obtains by multiple actual monitoring value COMPREHENSIVE CALCULATING the overall actual condition value reflecting described electric power meter overall operation state;
First determination module, for searching the first corresponding relation model of default state value and running status, determines the actual motion state corresponding to described overall actual condition value.
2. the system of monitoring electric power meter running status as claimed in claim 1, is characterized in that, also comprise:
Choose module, for choosing multiple state parameters of reflection electric power meter running status in advance as described quantity of state.
3. the system of monitoring electric power meter running status as claimed in claim 2, is characterized in that, also comprise:
First sets up module, for the numerical value of state value is carried out segmentation, sets up the first corresponding relation model of described state value and running status in advance.
4. the system of monitoring electric power meter running status as claimed in claim 1, is characterized in that, also comprise:
Trigger module, for when monitoring after electric power meter meets preset trigger condition, issues the instruction of monitoring described electric power meter running status.
5. the system of monitoring electric power meter running status as claimed in claim 4, it is characterized in that, the trigger condition of described trigger module comprises:
Family's defect trigger condition, on-line monitoring trigger condition, field test trigger condition and regular trigger condition.
6. the system of monitoring electric power meter running status as claimed in claim 5, is characterized in that, also comprise:
Detection module, before calculating the actual monitoring value corresponding to quantity of state at described first computing module according to default first rule, detects described electric power meter and whether there is fault.
7. the system of the monitoring electric power meter running status as described in any one of claim 1 to 6, is characterized in that, also comprise:
Second determination module, for the actual motion state obtained by described first determination module, is searched the second corresponding relation model of default actual motion state and overhaul data, determines the overhaul data corresponding with described actual motion state.
8. the system of monitoring electric power meter running status as claimed in claim 7, is characterized in that, also comprise:
Second sets up module, for setting up the second corresponding relation model of actual motion state and overhaul data in advance.
9. the system of monitoring electric power meter running status as claimed in claim 8, is characterized in that, also comprise:
Alarm module, for when determining the actual motion state of described electric power meter for exception, issues the instruction of pointing out and overhauling described electric power meter.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105929359A (en) * 2016-07-11 2016-09-07 国网重庆市电力公司 Method for evaluating running accuracy of electric energy meter
CN106842101A (en) * 2015-12-03 2017-06-13 中国电力科学研究院 A kind of evaluation method of electric energy meter running status
CN107346008A (en) * 2017-06-30 2017-11-14 国网天津市电力公司电力科学研究院 Based on electric energy meter thermodynamic state verification optimization method in the case of actual load
CN108919169A (en) * 2018-06-29 2018-11-30 宁波三星智能电气有限公司 A kind of fault self-diagnosis method of electric energy meter
CN109190957A (en) * 2018-08-23 2019-01-11 国网天津市电力公司电力科学研究院 A kind of intelligent electric energy meter O&M replacing options and device based on online overall merit

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102621516A (en) * 2012-02-21 2012-08-01 福建开普科技有限公司 Electric energy meter operational abnormity judging method based on large-scale data application background
CN102629364A (en) * 2012-03-13 2012-08-08 凯里供电局 Quantitative scoring method of power equipment state
CN103149549A (en) * 2013-02-05 2013-06-12 重庆市电力公司电力科学研究院 Method and system of data processing based on electric energy metering device
CN203084186U (en) * 2013-02-05 2013-07-24 重庆市电力公司电力科学研究院 Data processing system based on electric energy metering device
CN103903058A (en) * 2012-12-26 2014-07-02 中国电力科学研究院 Assessment method of efficient operation of intelligent power distribution network
CN103942738A (en) * 2014-05-16 2014-07-23 国家电网公司 Comprehensive evaluation method and system for electric energy meter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102621516A (en) * 2012-02-21 2012-08-01 福建开普科技有限公司 Electric energy meter operational abnormity judging method based on large-scale data application background
CN102629364A (en) * 2012-03-13 2012-08-08 凯里供电局 Quantitative scoring method of power equipment state
CN103903058A (en) * 2012-12-26 2014-07-02 中国电力科学研究院 Assessment method of efficient operation of intelligent power distribution network
CN103149549A (en) * 2013-02-05 2013-06-12 重庆市电力公司电力科学研究院 Method and system of data processing based on electric energy metering device
CN203084186U (en) * 2013-02-05 2013-07-24 重庆市电力公司电力科学研究院 Data processing system based on electric energy metering device
CN103942738A (en) * 2014-05-16 2014-07-23 国家电网公司 Comprehensive evaluation method and system for electric energy meter

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
刘娟等: "基于B/S的电气设备状态检修支撑***设计", 《电力信息化》 *
黄俐萍等: "电能计量装置运行评价方法研究", 《华东电力》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106842101A (en) * 2015-12-03 2017-06-13 中国电力科学研究院 A kind of evaluation method of electric energy meter running status
CN105929359A (en) * 2016-07-11 2016-09-07 国网重庆市电力公司 Method for evaluating running accuracy of electric energy meter
CN107346008A (en) * 2017-06-30 2017-11-14 国网天津市电力公司电力科学研究院 Based on electric energy meter thermodynamic state verification optimization method in the case of actual load
CN108919169A (en) * 2018-06-29 2018-11-30 宁波三星智能电气有限公司 A kind of fault self-diagnosis method of electric energy meter
CN109190957A (en) * 2018-08-23 2019-01-11 国网天津市电力公司电力科学研究院 A kind of intelligent electric energy meter O&M replacing options and device based on online overall merit

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