CN110086259A - A kind of operation power maintenance preventive trial early warning system and self-management system - Google Patents
A kind of operation power maintenance preventive trial early warning system and self-management system Download PDFInfo
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- CN110086259A CN110086259A CN201910409703.2A CN201910409703A CN110086259A CN 110086259 A CN110086259 A CN 110086259A CN 201910409703 A CN201910409703 A CN 201910409703A CN 110086259 A CN110086259 A CN 110086259A
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- 238000012423 maintenance Methods 0.000 title claims abstract description 37
- 230000003449 preventive effect Effects 0.000 title claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000012545 processing Methods 0.000 claims abstract description 19
- 238000004092 self-diagnosis Methods 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 5
- 238000005070 sampling Methods 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
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- 206010063493 Premature ageing Diseases 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- Engineering & Computer Science (AREA)
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
It include data sampling sensor the invention discloses a kind of operation power maintenance preventive trial early warning system and self-management system, the present invention, data sampling sensor is set on object to be monitored, and the output end of the data sampling sensor is connected with data module.The data module includes central processing unit, memory；The central processing unit is connected by bus with memory signals.It is preset in the memory in memory and is provided with self diagnosis module and pre- judgment module; protection setting value is preset in institute's self diagnosis module; the data received are controlled signal compared with protecting setting value, and by comparing result output by the central processing unit in data module；The control signal feeds back the control terminal to transformer equipment or controller switching equipment by communication line.
Description
Technical field
The present invention relates to for electrical domain, more particularly to a kind of operation power safeguard preventive trial early warning system and self
Management system.
Background technique
The device is mainly applied to 0.4KV low-voltage distribution cabinet running current in substation's distribution system, voltage datas to adopt
Collection, reception, self diagnosis, anticipation and transmission, while the device is also equipped with communication function, it can be by communication module by means of internet
It transfers data to electric smart operation platform and carries out integrative trend analysis, the result of operation platform analysis is to 0.4KV low-voltage distribution
The cabinet preventive trial period makes suggestion.
Currently, similar system, such as industrial DCS system, PMS system etc., are mainly protected by spot sensor, relay
Shield, communication module, local control centre are constituted, and working principle is as shown in Figure 1.Spot sensor connects power equipment, scene
Sensor has relay protector by cable connection, and relay protector has communication module, communication module signal by cable connection
It is connected to local control centre.
PMS's is engineering production management system, is the hugest and complicated using it in the application greatly of SG186 engineering eight
One.PMS production management system be based on Unified Application Platform PI3000 construct, using B/S and C/S mixed mode and point
For the architecture system of data Layer, service layer and presentation layer.
DCS is dcs, and automatic control industry is also referred to as Distributed Control System at home.It is relative to centralization
A kind of novel computer control system for control system, it be on the basis of centralized control system develop, develop and
Come.
Traditional DCS or PMS system can only be monitored and control to the distribution equipment of sole user, single facility, nothing
Method is realized to multi-user, the monitoring of more facilities and equipments.And for most of nonbusiness's grade users, a set of local is separately configured
DCS or PMS system cost is higher, usually also needs to set staff on duty, this not only increased human cost, and for middle-size and small-size
Also it is not necessarily to for electricity consumption user.
Secondly, traditional operation maintenance system is commonly used in the real time fail monitoring to field device, the i.e. a certain ginseng of equipment
Number is more than that setting value then passes through relay protection to equipment sending tripping or alarm command, although being also able to achieve the trend to parameter
Analysis, but the trend is mainly used for the accident analysis carried out after equipment fault, and can not be prejudged in systems as failure
With reference to.
In addition, tradition DCS or PMS system is all the monitoring to single parameter, being concerned with object is tables of equipment aspect,
Can not multiple parameters comprehensive analysis to equipment and by equipment multi-parameter historical data, factory characteristic curve etc. to power train
The operation and maintenance of system and preventive trial period make early warning.
In short, traditional DCS or PMS system, human cost and equipment cost are higher, user is single, cannot achieve anticipation
Disconnected and pre-alarm.
Summary of the invention
Goal of the invention of the invention is: in view of the above problems, providing a kind of operation power maintenance preventative examination
Early warning system and self-management system are tested, this system is applied to the maintenance of 0.4KV distribution system operation power and preventive trial is pre-
It is alert, it is mainly acquired by the operation data to power equipment each in electric system by Internet of Things, trend analysis, autodiagnosis
Disconnected, pre- judgement etc., so that early warning is made to the operation and maintenance of distribution system and preventive trial period according to system algorithm, to protect
Demonstrate,prove safe, continuous, the stable operation of distribution system.
The technical solution adopted by the invention is as follows:
A kind of operation power maintenance preventive trial early warning system and self-management system, including several sensors, sensor are set
It is placed on transformer equipment and/or controller switching equipment and/or power cable, the sensor is connected with data mould by communication link
Block；The data module is connected with communication module by communication link；The data module passes through feed circuit and transformer equipment
And/or the control end signal connection of controller switching equipment；The communication module is connected with local control centre by communication link；It is described
Communication module is connected with O&M early warning system by communication link.
Further, the invention also discloses a kind of operation power maintenance preventive trial early warning system and self-management systems
System preferred structure, the data module includes central processing unit, memory；The central processing unit passes through bus and storage
Device signal is connected.
Further, it is preset in memory in the memory and is provided with self diagnosis module and pre- judgment module, institute is certainly
Protection setting value is preset in diagnostic module, the central processing unit in data module is by the data received and protects setting value
Compare, and by comparing result output control signal；The control signal is fed back to transformer equipment and/or is matched by communication line
The control terminal of electric equipment.
Further, it is preset with anticipation setting value in the pre- judgment module, is stored in the pre- judgment module several
The data received compared with prejudging setting value, and are passed through ratio by maintenance scheme, the central processing unit in data module
Relatively result triggers different maintenance schemes, and central processing unit will trigger maintenance scheme and be exported by signal.
Further, it is provided with early warning parameter of curve in the O&M early warning system, O&M early warning system is by communication module
The signal transmitted makes corresponding early warning, and pre-warning signal is passed to staff compared with early warning parameter of curve,
Staff carries out site inspection maintenance.
Further, the initial value of the early warning parameter of curve is according to transformer equipment and/or controller switching equipment and/or electric power electricity
The factory parameter setting of cable.
Further, the O&M early warning system is carried out according to the input signal and early warning parameter of curve initial value of sensor
Compare, if input signal values subtract early warning parameter of curve initial value, if more than 0, then unit exception corresponding to mark sensor, root
Alarm level is determined according to the difference of input signal values and early warning parameter of curve initial value, and difference is bigger, and alarm level is higher.
Further, the sensor includes voltage sensor, current sensor, phase detector, power factor sensing
Device, temperature sensor, noise transducer, arc photosensor.In conclusion by adopting the above-described technical solution, of the invention
Beneficial effect is:
1, by that will collect the parameter data acquisitions such as height buckling, controller switching equipment running current, voltage, temperature, noise, vibration, connect
The integrated system that receipts, self diagnosis, transmission and communication are integrated, not only has a local control centre of tradition, such as DCS or PMS
Monitoring function also has self diagnosis, pre-alarm, self-teaching and provides the function such as operation and maintenance and the suggestion of preventive trial period
Can, and can the change to multi-user, more facilities simultaneously, controller switching equipment progress real-time monitoring；It saves labour turnover and equipment cost.
2, by setting this system, it is able to achieve the monitoring of multi-user, more facilities, really realizes that user terminal is unattended, together
When also there is anticipation, self-learning function；The change of different user, controller switching equipment can be accessed into operation platform, operation platform has specially
Industry human attendance really allows user terminal unattended, trusts electricity consumption；
3, by setting this system, data acquisition is convenient；The early warning system not only can be in the separately installed all kinds of biographies in user scene
Sensor, but also the compatible change for having been provided with relevant parameter acquisition module, controller switching equipment.
Detailed description of the invention
Fig. 1 is background technique structural schematic diagram of the invention；
Fig. 2 is monitoring device structural schematic diagram of the present invention；
Fig. 3 is operation power maintenance of the present invention and preventive trial early warning system structural schematic diagram；
Fig. 4 is operational process schematic diagram of the present invention.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As in Figure 2-4, the present invention includes data sampling sensor, and data sampling sensor is set to object to be monitored
On, the output end of the data sampling sensor is connected with data module.The data module includes central processing unit, storage
Device；The central processing unit is connected by bus with memory signals.
It is preset in the memory in memory and is provided with self diagnosis module and pre- judgment module, in institute's self diagnosis module
It is preset with protection setting value, the central processing unit in data module compared with protecting setting value, and leads to the data received
Cross comparison result output control signal；The control signal feeds back the control to transformer equipment or controller switching equipment by communication line
End.
It is preset with anticipation setting value in the pre- judgment module, is stored with several maintenance sides in the pre- judgment module
Case, the central processing unit in data module trigger the data received compared with prejudging setting value, and by comparing result
Different maintenance schemes, central processing unit will trigger maintenance scheme and be exported by signal.
Data module is used for the operating parameter of receiving sensor acquisition, while carrying out self diagnosis and pre- judgement.Wherein store
Device receives operation data for storing, and CPU is for analyzing the data received and Various types of data being fed back to self diagnosis respectively
Module and pre- judgment module, self diagnosis module are used to that operation data to be compared and be provided corresponding defeated with protection setting value
Out, it for example alarms or trips, pre- judgment module is used to for operation data being compared with anticipation setting value and triggers corresponding dimension
Guarantor's scheme.
The data module is connected to communication module, and communication module is connected with local control centre by communication line.It is logical
It interrogates module and O&M early warning system is connected by communication line.
Early warning parameter of curve is provided in the O&M early warning system, O&M early warning system transmits communication module
Signal makes corresponding early warning compared with early warning parameter of curve, and pre-warning signal is passed to staff, staff into
Row site inspection maintenance.
The initial value of the early warning parameter of curve is according to the factory of transformer equipment and/or controller switching equipment and/or power cable
Parameter setting.
The O&M early warning system is compared according to the input signal of sensor with early warning parameter of curve initial value, if defeated
Enter signal value and subtract early warning parameter of curve initial value, if more than 0, then unit exception corresponding to mark sensor, believes according to input
Number value and the difference of early warning parameter of curve initial value determine alarm level, and difference is bigger, and alarm level is higher.
The early warning curve is the distinctive parameter of operation platform, passes through the factory data of test object when early warning curve
Parameter analysis summarizes during characteristic curve, log over the years, preventive test report, environment temperature, loadtype etc. are more.
Such as the factory data characteristic curve of cable, its work electricity adapted to is obtained according to the experimental data of production firm
Stream, voltage and use environment, the reasonable working life provided.When cable is using voltage increase, cable can be reduced
Service life and safety perhaps cable whether be under sunlight and hot environment will lead to cable withstanding voltage or
The performance of electric current.And then can be arranged by adjusting the threshold value of early warning curve, prevent electric wire premature aging from leading to security risk.Or
Person is cable often in the big voltage ratings of pulse, for the insulating layer for preventing big voltage breakdown cable, by suitably turning down
The threshold value of early warning curve achievees the purpose that safe.
Similarly, for voltage device or power distribution cabinet working different parameters, similarly suitable above-mentioned feature
Curve early warning.
Multiple grades are arranged in the early warning curve negotiating actual conditions.For example, being suitable for the power cable of 220V/20A；It is right
In voltage parameter, there can be the following grade of setting:
Level-one: 200V-220V, normal work stage, data module are not responding to, and continue next detection cycle；
Second level: 220V-230V, normal work stage, data module remarks early warning continue next detection cycle；
Three-level: 230V-240V, dangerous work stage, data module issue early warning, staff are notified to safeguard；
Level Four: 240V or more, dangerous, data module issues power-off signal, and notifies staff to handle.
From the above mentioned it is known that the single parameter of early warning curve is configured according to above method.
Meanwhile the parameters of early warning curve negotiating monitored object, such as equipment factory characteristic curve, operation note over the years
The recommendation that the various aspects parameter such as record, preventive test report, environment temperature, loadtype obtains, different parameter tools
There is different weights, an assessment parameter is set.
For the safety for improving equipment, according to the service condition of monitored object and every application environment, dynamic adjustment is respectively set
Standby early warning value.The process that the early warning value run in equipment simultaneously over time, acquires adding up for data, system passes through
Self-teaching and self-optimization function are optimized and are updated repeatedly to the early warning curve.
Carrying out practically process, the information that sensor will test are transferred to data module, are preset with items in data module
Reduced parameter, data module compare the data received and parameter preset, according to circumstances make corresponding and pass through data logical
Letter module is sent to local control centre and O&M and preventive trial early warning system.
In data module, such as when carrying out current protection, current data i that electric current, voltage transformer measurement obtain
The memory in data module is passed to, memory passes data to CPU.It is preset in the self diagnosis module and electrically sets
Current data i is compared by standby upper current protection value Isp, CPU with protection setting value Isp, when current data i is less than or equal to
When protecting setting value Isp, data module is not responded, and continues next circulation.When current data i is greater than protection setting value Isp
When, data module issues alarm signal by cable or is tripped by controlling corresponding electric-controlled switch, protects power supply circuit
Safety.
Anticipation the setting value Iyp, CPU that electric appliance is preset in data module carry out current data i and anticipation setting value Iyp
Compare, when electric current, voltage data i are less than or equal to anticipation setting value Iyp, data module is not responded, and continues next circulation.
When electric current, voltage data i are greater than anticipation setting value Iyp, data module triggers maintenance scheme, protects the peace of power supply circuit
Entirely.
The maintenance scheme includes following several:
Level-one maintenance scheme: for On line inspection, check whether each operating parameter of power cable is normal, the load-carrying fortune of institute, its junior
Market condition inspection.
Second level maintenance scheme: checking for power-off, is mainly checked power cable institute bringing onto load, is measured to confirm event
Hinder reason.
Three-level maintenance scheme: checking for power-off, carries out annual test and preventive trial, including characteristic examination to entire power cable
It tests.
Meanwhile data module exports all data and passes to O&M and preventive trial early warning system.O&M and preventative
It is bent according to the information and early warning received that early warning curve, O&M and preventive trial early warning system are preset in test early warning system
Line carries out judgement comparison, if desired safeguards, then is carried out by the staff that communication device notifies distance fault point position nearest
Confirmation processing.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of operation power maintenance preventive trial early warning system and self-management system, it is characterised in that: including several biographies
Sensor, sensor are set on transformer equipment and/or controller switching equipment and/or power cable, and the sensor passes through communication link
It is connected with data module；The data module is connected with communication module by communication link；The data module passes through feedback electricity
Road is connect with the control end signal of transformer equipment and/or controller switching equipment；The communication module is connected with local by communication link
Control centre；The communication module is connected with O&M early warning system by communication link.
2. a kind of operation power maintenance preventive trial early warning system as described in claim 1 and self-management system, special
Sign is: the data module includes central processing unit, memory；The central processing unit is believed by bus and memory
Number be connected.
3. a kind of operation power maintenance preventive trial early warning system as claimed in claim 2 and self-management system, special
Sign is: is preset in memory in the memory and is provided with self diagnosis module and pre- judgment module, in institute's self diagnosis module
It is preset with protection setting value, the central processing unit in data module compared with protecting setting value, and leads to the data received
Cross comparison result output control signal；The control signal passes through communication line feedback to transformer equipment and/or controller switching equipment
Control terminal.
4. a kind of operation power maintenance preventive trial early warning system as claimed in claim 3 and self-management system, special
Sign is: being preset with anticipation setting value in the pre- judgment module, is stored with several maintenance sides in the pre- judgment module
Case, the central processing unit in data module trigger the data received compared with prejudging setting value, and by comparing result
Different maintenance schemes, central processing unit will trigger maintenance scheme and be exported by signal.
5. a kind of operation power maintenance preventive trial early warning system as claimed in claim 4 and self-management system, special
Sign is: early warning parameter of curve is provided in the O&M early warning system, O&M early warning system transmits communication module
Signal makes corresponding early warning compared with early warning parameter of curve, and pre-warning signal is passed to staff, staff into
Row site inspection maintenance.
6. a kind of operation power maintenance preventive trial early warning system as claimed in claim 5 and self-management system, special
Sign is: the initial value of the early warning parameter of curve is joined according to the factory of transformer equipment and/or controller switching equipment and/or power cable
Number setting.
7. a kind of operation power maintenance preventive trial early warning system as claimed in claim 6 and self-management system, special
Sign is: the O&M early warning system is compared according to the input signal of sensor with early warning parameter of curve initial value, if defeated
Enter signal value and subtract early warning parameter of curve initial value, if more than 0, then unit exception corresponding to mark sensor, believes according to input
Number value and the difference of early warning parameter of curve initial value determine alarm level, and difference is bigger, and alarm level is higher.
8. a kind of operation power maintenance preventive trial early warning system and self-management as described in one of claim 1-7
System, it is characterised in that: the sensor includes voltage sensor, current sensor, phase detector, power factor sensing
Device, temperature sensor, noise transducer, arc photosensor.
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Cited By (5)
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| CN113193648A (en) * | 2021-04-08 | 2021-07-30 | 国网浙江省电力有限公司金华供电公司 | Power distribution automation intelligent monitoring system and method |
| CN113934172A (en) * | 2021-10-20 | 2022-01-14 | 四川汉唐江电力有限公司 | Intelligent information management system for preventive test of power equipment facing mobile terminal |
| CN113984266A (en) * | 2021-10-27 | 2022-01-28 | 深圳飞赛精密钣金技术有限公司 | Power transmission line icing monitoring and early warning method and system |
| CN113983983A (en) * | 2021-10-27 | 2022-01-28 | 深圳飞赛精密钣金技术有限公司 | Wire temperature and sag actual measurement method and system |
| CN117096825A (en) * | 2023-08-04 | 2023-11-21 | 山东大学 | Safety protection method and system for ground test platform system of offshore wind turbine generator |
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