CN110082617A - Power transmission and transformation equipment state method for monitoring and analyzing based on technology of Internet of things - Google Patents
Power transmission and transformation equipment state method for monitoring and analyzing based on technology of Internet of things Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention discloses a kind of power transmission and transformation equipment state method for monitoring and analyzing based on technology of Internet of things, is analyzed using the power transmission and transformation equipment state monitoring analysis system based on technology of Internet of things；Analysis method includes: to form the state point of single device, and state point is obtained by comparing status monitoring amount and monitoring standard；The state of single device separately win after, re-form the state point of monospace；State point sequence is carried out to all intervals of equipment management unit, while being spaced plant issue that may be present to ging wrong, service arrangement is made according to system opinion by equipment management unit, mid-score section and handling suggestion can be decided in its sole discretion by equipment management unit.The present invention effectively improves equipment state management level, saves unnecessary manpower and material resources, has very strong practicability.
Description
Technical field
The present invention relates to a kind of status monitoring analysis method of power equipment, specifically to a kind of substation's power transmission and transformation
The method of equipment condition monitoring analysis and decision belongs to the monitoring of electric system power transmission and transformation equipment state and fault diagnosis field.
Background technique
Power transmission and transforming equipment is the core equipment of electric system, and health status directly influences stablizing for electric system and transports
Row.Service work to power transmission and transforming equipment is one of the focus of power industry, and repair method common at present includes subsequent
Maintenance, periodic inspection and repair based on condition of component three classes.In existing electric system, or based on periodic inspection, repair based on condition of component is matched
It closes, major drawbacks are that periodic inspection can consume a large amount of manpower and material resources, and there are power failure hidden danger.
With the continuous maturation of technology, power transmission and transformation equipment state overhauling work is deeply developed constantly, but existing
Still there are some problems for technology:
1) device status information obtained by on-Line Monitor Device is not comprehensive enough, and information often derives from single or several
A sensor, and certain a kind of failure of equipment is only corresponded to, without obtaining the comprehensive status information of equipment, this will affect equipment shape
The accuracy of state assessment.
Even if 2) have selected multiple and different status informations for different faults type, information source is to enrich, still
Due to not accounting for the correlation of each on-line monitoring information, lacks organic connections between each information, be not carried out the comprehensive of information
Processing and Cooperative Analysis are closed, this also will affect the accuracy of status assessment.
3) standing state monitoring data often only take online data, to off-line data using less, therefore to the shape of equipment
State assessment is not comprehensive enough reliable.
4) current Condition Monitoring Technology is often directed to single equipment, not to monospace either equipment management unit
All intervals are considered every possible angle, therefore the Strategies of Maintenance feasibility provided is smaller.
Summary of the invention
The power transmission and transformation equipment state method for monitoring and analyzing that the purpose of the present invention is to provide a kind of based on technology of Internet of things and
System, can all power transmission and transforming equipments to equipment management unit monitor analysis simultaneously, owned based on marking mechanism to substation
The health status at interval is given a mark, and provides power transmission and transformation equipment state comments by equipment score.
The technical solution of the invention is as follows:
A kind of power transmission and transformation equipment state method for monitoring and analyzing based on technology of Internet of things, it is characterized in that: using Internet of Things are based on
The power transmission and transformation equipment state monitoring analysis system of network technology is analyzed；The power transmission and transformation equipment state based on technology of Internet of things
Monitoring analysis system include on-line monitoring sensor module, off-line data AM access module, database module, data processing module,
Data analysis module, aid decision module；The on-line monitoring sensor module mainly obtains the correlation that can be monitored on-line at present
Data, while expansion port being provided, so as to it is new can online monitoring data access；Off-line data AM access module is mainly by equipment
Off-line data be input in system；Database module is the off-line data that storage can not be monitored on-line or be detected at present, and
The monitoring data that on-line monitoring sensor module obtains in real time；Data processing module obtains data from database module, is included in
Line and off-line data, and the data of extraction are pre-processed；Data analysis module for data processing module as a result, according to
Parser carries out marking assessment to power transmission and transforming equipment monospace；Aid decision module is according to the analysis knot of data analysis module
Fruit, package management unit all interval scores sequence and each interval existing for doubtful problem, provide in two weeks
Overhaul of the equipments arrangement of time and maintenance opinion；
Analysis method includes the following steps:
(1) it is initially formed the state point of single device, state point is obtained by comparing status monitoring amount and monitoring standard:
Such as quantity of state tax of tax point principle divides shown in principle table, (specific measurement standard be subject to each equipment management unit regulation)
Quantity of state tax divides principle table
| Within standard | 0 |
| Be above standard 0-10% | 10 |
| Be above standard 10%-30% | 30 |
| Be above standard 30%-50% | 60 |
| It is above standard 50% | 100 |
Equipment state divides calculation formula: P=p1+p2+…+pn, P is equipment total score, p1,p2…pnFor each quantity of state
It assigns and divides；
(2) state of single device separately win after, re-form the state point of monospace, the state of various kinds of equipment divides accounting such as
Outgoing line interval single device state point accounting table, main transformer interval single device state are divided shown in accounting table, and are needed multiplied by environment system
Number forms the end-state point at the interval as shown in environmental coefficient table；
Outgoing line interval single device state divides accounting table
| Breaker | Disconnecting switch | Current transformer | Voltage transformer | Arrester |
| 0.30 | 0.05 | 0.20 | 0.15 | 0.30 |
Main transformer interval single device state divides accounting table
| Main transformer | Breaker | Disconnecting switch | Current transformer | Arrester |
| 0.35 | 0.25 | 0.05 | 0.10 | 0.25 |
Environmental coefficient table
Outgoing line interval state divides calculation formula:
S=(PQF×fQF+PQS×fQS+PTA×fTA+PTV×fTV+PF×fF)×fU×fC×fE
Main transformer space state divides calculation formula:
S=(PQF×fQF+PQS×fQS+PTA×fTA+PT×fT+PF×fF)×fU×fC×fE, between wherein S is
Every state point, PQFFor the state point of equipment breaker, PQSFor the state point of equipment disconnector, PTAFor equipment
The state of current transformer point, PTVFor the state point of equipment voltage transformer, PFFor the state point of equipment arrester, PTFor equipment
The state of transformer point, fUFor transformer substation voltage equivalent coefficient, fCFor user class coefficient, fEFor running environment coefficient, fQFIt is disconnected
Road device state divides accounting, fQFDivide accounting, f for circuit-breaker statusQSDivide accounting, f for disconnecting switch stateTAFor current transformer shape
State divides accounting, fTVDivide accounting, f for voltage transformer stateFDivide accounting, f for arrester stateTDivide accounting for main transformer state；
(3) state point sequence carried out to all intervals of equipment management unit, at the same to go wrong be spaced it is that may be present
Plant issue makes service arrangement according to system opinion by equipment management unit, and mid-score section and handling suggestion can be by equipment
Management unit decides in its sole discretion.
It is temperature that the on-line monitoring sensor module, which mainly obtains the related data that can be monitored on-line at present,.
It is current in resistance property that the on-line monitoring sensor module, which mainly obtains the related data that can be monitored on-line at present,.
Power transmission and transformation equipment state method for monitoring and analyzing and system of the present invention based on technology of Internet of things, overcomes existing
Equipment monitoring quantity of state is single, the single deficiency of monitoring device, using equipment interval as monitoring unit, to same equipment management unit
Under all intervals considered every possible angle, comprehensive marking provides reasonable repair time and maintenance according to interval score and sequence
Emphasis suggestion, this method effectively improve equipment state management level, save unnecessary manpower and material resources, have very strong practical
Property.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of power transmission and transformation equipment state monitoring analysis system block diagram based on technology of Internet of things of the present invention；
Fig. 2 is a kind of power transmission and transformation equipment state method for monitoring and analyzing block diagram based on technology of Internet of things of the present invention.
Specific embodiment
A kind of power transmission and transformation equipment state method for monitoring and analyzing based on technology of Internet of things, using based on the defeated of technology of Internet of things
Substation equipment condition monitoring analysis system is analyzed；The power transmission and transformation equipment state monitoring analysis system based on technology of Internet of things
System includes on-line monitoring sensor module, off-line data AM access module, database module, data processing module, data analysis mould
Block, aid decision module；The on-line monitoring sensor module mainly obtains the related data that can be monitored on-line at present, mentions simultaneously
For expansion port, so as to it is new can online monitoring data access；Off-line data AM access module is mainly by the off-line data of equipment
It is input in system；Database module is the off-line data that storage can not be monitored on-line or be detected at present, and on-line monitoring passes
The monitoring data that sensor module obtains in real time；Data processing module obtains data, including online and offline number from database module
According to, and the data of extraction are pre-processed；Data analysis module is for data processing module as a result, according to parser pair
Power transmission and transforming equipment monospace carries out marking assessment；Aid decision module is according to the analysis of data analysis module as a result, package
Doubtful problem existing for all interval scores sequence of management unit and each interval, provides the overhaul of the equipments time in two weeks
Arrange and overhaul opinion；
Analysis method includes the following steps:
(1) it is initially formed the state point of single device, state point is obtained by comparing status monitoring amount and monitoring standard:
Such as quantity of state tax of tax point principle divides shown in principle table, (specific measurement standard be subject to each equipment management unit regulation)
Quantity of state tax divides principle table
| Within standard | 0 |
| Be above standard 0-10% | 10 |
| Be above standard 10%-30% | 30 |
| Be above standard 30%-50% | 60 |
| It is above standard 50% | 100 |
Equipment state divides calculation formula: P=p1+p2+…+pn, P is equipment total score, p1,p2…pnFor each quantity of state
It assigns and divides；
(2) state of single device separately win after, re-form the state point of monospace, the state of various kinds of equipment divides accounting such as
Outgoing line interval single device state point accounting table, main transformer interval single device state are divided shown in accounting table, and are needed multiplied by environment system
Number forms the end-state point at the interval as shown in environmental coefficient table；
Outgoing line interval single device state divides accounting table
| Breaker | Disconnecting switch | Current transformer | Voltage transformer | Arrester |
| 0.30 | 0.05 | 0.20 | 0.15 | 0.30 |
Main transformer interval single device state divides accounting table
| Main transformer | Breaker | Disconnecting switch | Current transformer | Arrester |
| 0.35 | 0.25 | 0.05 | 0.10 | 0.25 |
Environmental coefficient table
Outgoing line interval state divides calculation formula:
S=(PQF×fQF+PQS×fQS+PTA×fTA+PTV×fTV+PF×fF)×fU×fC×fE
Main transformer space state divides calculation formula:
S=(PQF×fQF+PQS×fQS+PTA×fTA+PT×fT+PF×fF)×fU×fC×fE, between wherein S is
Every state point, PQFFor the state point of equipment breaker, PQSFor the state point of equipment disconnector, PTAFor equipment
The state of current transformer point, PTVFor the state point of equipment voltage transformer, PFFor the state point of equipment arrester, PTFor equipment
The state of transformer point, fUFor transformer substation voltage equivalent coefficient, fCFor user class coefficient, fEFor running environment coefficient, fQFIt is disconnected
Road device state divides accounting, fQFDivide accounting, f for circuit-breaker statusQSDivide accounting, f for disconnecting switch stateTAFor current transformer shape
State divides accounting, fTVDivide accounting, f for voltage transformer stateFDivide accounting, f for arrester stateTDivide accounting for main transformer state；
(3) state point sequence carried out to all intervals of equipment management unit, at the same to go wrong be spaced it is that may be present
Plant issue makes service arrangement according to system opinion by equipment management unit, and mid-score section and handling suggestion can be by equipment
Management unit decides in its sole discretion.
It is temperature that the on-line monitoring sensor module, which mainly obtains the related data that can be monitored on-line at present,.
It is current in resistance property that the on-line monitoring sensor module, which mainly obtains the related data that can be monitored on-line at present,.
Claims (6)
1. a kind of power transmission and transformation equipment state method for monitoring and analyzing based on technology of Internet of things, it is characterized in that: using Internet of Things is based on
The power transmission and transformation equipment state monitoring analysis system of technology is analyzed；The power transmission and transformation equipment state prison based on technology of Internet of things
Surveying analysis system includes on-line monitoring sensor module, off-line data AM access module, database module, data processing module, number
According to analysis module, aid decision module；The on-line monitoring sensor module mainly obtains the dependency number that can be monitored on-line at present
According to, while providing expansion port, so as to it is new can online monitoring data access；Off-line data AM access module is mainly by equipment
Off-line data is input in system；Database module is the off-line data that storage can not be monitored on-line or be detected at present, Yi Ji
The monitoring data that line monitoring sensor module obtains in real time；Data processing module obtains data from database module, including online
And off-line data, and the data of extraction are pre-processed；Data analysis module is for data processing module as a result, according to dividing
Analysis algorithm carries out marking assessment to power transmission and transforming equipment monospace；Aid decision module according to the analysis of data analysis module as a result,
Doubtful problem existing for all interval scores sequence of package management unit and each interval, provides the equipment in two weeks
Repair time arranges and maintenance opinion；
Analysis method includes the following steps:
(1) it is initially formed the state point of single device, state point is obtained by comparing status monitoring amount and monitoring standard:
Such as quantity of state tax of tax point principle divides shown in principle table:
Quantity of state tax divides principle table
Equipment state divides calculation formula: P=p1+p2+…+pn, P is equipment total score, p1,p2…pnFor the tax of each quantity of state
Point；
(2) state of single device separately win after, re-form the state point of monospace, the state of various kinds of equipment divides accounting such as outlet
Interval single device state point accounting table, main transformer interval single device state are divided shown in accounting table, and are needed multiplied by environmental coefficient, such as
Shown in environmental coefficient table, the end-state point at the interval is formed；
Outgoing line interval single device state divides accounting table
Main transformer interval single device state divides accounting table
Environmental coefficient table
Outgoing line interval state divides calculation formula:
S=(PQF×fQF+PQS×fQS+PTA×fTA+PTV×fTV+PF×fF)×fU×fC×fE
Main transformer space state divides calculation formula:
S=(PQF×fQF+PQS×fQS+PTA×fTA+PT×fT+PF×fF)×fU×fC×fE, wherein S be interval state point,
PQFFor the state point of equipment breaker, PQSFor the state point of equipment disconnector, PTAFor device current mutual inductor state point,
PTVFor the state point of equipment voltage transformer, PFFor the state point of equipment arrester, PTFor the state point of equipment transformer, fUFor
Transformer substation voltage equivalent coefficient, fCFor user class coefficient, fEFor running environment coefficient, fQFDivide accounting, f for circuit-breaker statusQF
Divide accounting, f for circuit-breaker statusQSDivide accounting, f for disconnecting switch stateTADivide accounting, f for current transformer stateTVFor voltage
Mutual inductor state divides accounting, fFDivide accounting, f for arrester stateTDivide accounting for main transformer state；
(3) state point sequence is carried out to all intervals of equipment management unit, while is spaced equipment that may be present to ging wrong
Problem makes service arrangement according to system opinion by equipment management unit, and mid-score section and handling suggestion can be by equipment managements
Unit is decided in its sole discretion.
2. the power transmission and transformation equipment state method for monitoring and analyzing according to claim 1 based on technology of Internet of things, it is characterized in that:
It is temperature that the on-line monitoring sensor module, which mainly obtains the related data that can be monitored on-line at present,.
3. the power transmission and transformation equipment state method for monitoring and analyzing according to claim 1 based on technology of Internet of things, it is characterized in that:
It is current in resistance property that the on-line monitoring sensor module, which mainly obtains the related data that can be monitored on-line at present,.
4. the power transmission and transformation equipment state method for monitoring and analyzing according to claim 1 based on technology of Internet of things, it is characterized in that:
Tax divides the specific measurement standard of principle to be subject to each equipment management unit regulation.
5. the power transmission and transformation equipment state method for monitoring and analyzing according to claim 1 based on technology of Internet of things, it is characterized in that:
The on-line monitoring sensor module mainly obtains the related data that can be monitored on-line at present, while providing expansion port, so as to
It is new can online monitoring data access.
6. the power transmission and transformation equipment state method for monitoring and analyzing according to claim 1 based on technology of Internet of things, it is characterized in that:
The off-line data of equipment is mainly input in system by off-line data AM access module.
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| Publication number | Publication date |
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| CN112379196B (en) | 2021-09-14 |
| CN112379196A (en) | 2021-02-19 |
| CN110082617B (en) | 2020-12-01 |
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