CN110472820A - A kind of analysis calculation method of distribution transforming health degree - Google Patents
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Abstract
The present invention relates to distribution net equipment detection technique fields, propose a kind of analysis calculation method of distribution transforming health degree, comprising the following steps: choose distribution transformer to be analyzed, and obtain its load voltage value and design period；Obtaining influences the corresponding weight of distribution transformer health degree factor；The real-time voltage value of distribution transformer is obtained, analysis is then calculated according to its load voltage value and real-time voltage value and obtains grade B1；Whether inquiry distribution transformer is oily type transformer: if so, calculating its oil temperature and analytical calculation obtains grade B2；If it is not, grade B is then arranged2It is 0；The actual motion time limit for inquiring distribution transformer carries out calculating analysis according to its design period and the actual motion time limit and obtains grade B3；The weather data on the day of distribution transformer is obtained, and grade B is obtained to its analytical calculation4；Distribution transformer fault degree and number are inquired, and carries out analytical calculation and obtains grade B5；According to the weight and grade B1、B2、B3、B4、B5Calculate the distribution transforming health degree of distribution transformer to be analyzed.
Description
Technical field
The present invention relates to distribution net equipment detection technique fields, more particularly, to a kind of analytical calculation of distribution transforming health degree
Method.
Background technique
In recent years, with the rapid development of power distribution network, distribution net equipment diversification, while also to user with more safety
Hidden danger, it is therefore desirable to health degree analysis be carried out to distribution net equipment, to carry out risk assessment to power distribution network.
However, since structure is complicated for power distribution network, distribution net equipment wide variety, such as distribution transformer, it needs to consider
It runs status, extraneous factor influences, the operation influence of the factors to distribution transformer equipment health degree such as the time limit, and at present to matching
The analysis of piezoelectric transformer health degree is mainly or by manual analysis, and there are analysis efficiencies, and low, accuracy rate is not able to satisfy power distribution network
The problems such as demand of risk assessment.
Summary of the invention
The present invention be overcome distribution transformer health degree analysis efficiency and accuracy rate described in the above-mentioned prior art low lack
It falls into, a kind of analysis calculation method of distribution transforming health degree is provided.
In order to solve the above technical problems, technical scheme is as follows:
A kind of analysis calculation method of distribution transforming health degree, comprising the following steps:
S1: distribution transformer to be analyzed is chosen from the distribution transformer table in distribution generalized information system, and it is specified to obtain its
Voltage value U, design period T and its environmental factor；
S2: obtaining from distribution transformer table influences the corresponding weight A of distribution transformer health degree factor to be analyzedk,
Wherein k is positive integer；
S3: it supports to obtain distribution transformer to be analyzed in the message event table in platform from power distribution network operational management skill
Real-time voltage value U ', then according to its load voltage value U and real-time voltage value U ' carry out calculate analysis obtain grade B1；
S4: inquired from the device attribute information table in safe production management system distribution transformer to be analyzed whether be
Oily type transformer: if so, calculating the oil temperature T of distribution transformer to be analyzed by its telemetry, and it is counted
Point counting analyses to obtain grade B2；If it is not, grade B is then arranged2It is 0；
S5: inquiring the actual motion time limit of distribution transformer to be analyzed from the device attribute information table, and according to
Its design period y and actual motion time limit y ', which calculate analyzing, obtains grade B3；
S6: distribution transformer to be analyzed is obtained from the weather condition history lists in distribution generalized information system local data base
The weather data on the same day, and analytical calculation is carried out to its environmental factor and the weather data and obtains grade B4；
S7: distribution transformer fault degree to be analyzed and secondary is inquired from the fault message table in safe production management system
Number, and analyze it and grade B is calculated5；
S8: according to the weight AkWith grade B1、B2、B3、B4、B5Calculate the distribution transforming health degree of distribution transformer to be analyzed
H。
The technical program passes through the distribution GIS system that includes from the distribution network system where distribution transformer to be analyzed
It unites, power distribution network operational management skill supports platform, corresponding influence distribution change is obtained in safe production management system, local data base
The data of depressor health degree factor, then analyze acquired data, finally to acquired data and its corresponding
Weight, which calculate, can be obtained distribution transformer health degree.Data-acquisition system and platform in the technical program belong to this
Common data management system and platform in field, and the technical program can be by being arranged in computer systems, realization passes through meter
Calculation machine system carries out calculating analysis to distribution transformer health degree, avoids generating and analyzes generated accuracy by manually calculating
Problem.
Preferably, influenced in S2 step distribution transformer health degree factor to be analyzed include primary side voltage out-of-limit value,
Distribution transformer oil temperature, the operation time limit, weather conditions, fault statistics number and degree.
Preferably, weight A described in S2 stepkIn, k value is 1,2,3,4,5, in which:
A1Indicate weight shared by primary side voltage out-of-limit value, A1Value is 1；
A2Indicate weight shared by distribution transformer oil temperature, A2Value is 3；
A3Indicate weight shared by the operation time limit, A3Value is 1；
A4Indicate weight shared by weather conditions, A4Value is 2；
A5Indicate weight shared by fault statistics number and degree, A5Value is 3.
Preferably, in S3 step, calculating analysis is carried out according to its load voltage value U and real-time voltage value U ' and obtains grade B1
Formula it is as follows:
Preferably, in S4 step, when distribution transformer to be analyzed is oily type transformer, to the oil temperature of distribution transformer
Value T, which calculate analyzing, obtains grade B2Formula it is as follows:
Preferably, in S5 step, calculating analysis is carried out according to its design period y and actual motion time limit y ' and obtains grade B3
Formula it is as follows:
Preferably, in S6 step, environmental factor includes both outdoors and indoors；Weather data include normal, typhoon red early warning,
Typhoon orange warning, the early warning of typhoon yellow, thunderstorm gale red early warning, thunderstorm gale orange warning, the early warning of thunderstorm gale yellow,
High-temperature red early warning, orange high temperature alert, yellow high temperature early warning, dense fog red early warning, dense fog orange warning, dense fog yellow are pre-
Alert, icing red early warning, wherein the analytical calculation process to weather data is as follows:
(1) when the environmental factor of distribution transformer to be analyzed is outdoor:
If weather data is typhoon red early warning or thunderstorm gale red early warning, grade B4Value is 5；
If weather data be typhoon orange warning, thunderstorm gale orange warning, high-temperature red early warning, dense fog red early warning,
One of icing red early warning or it is a variety of when, grade B4Value is 4；
If weather data be the early warning of typhoon yellow, the early warning of thunderstorm gale yellow, orange high temperature alert, in dense fog orange warning
It is one or more when, grade B4Value is 3；
If weather data is yellow high temperature early warning or dense fog yellow early warning, grade B4Value is 2；
If weather data is normal, grade B4Value is 1；
(2) when the environmental factor of distribution transformer to be analyzed is indoor:
If the weather data be one of typhoon red early warning, thunderstorm gale red early warning, high-temperature red early warning or
When a variety of, grade B4Value is 4；
If the weather data be one of the early warning of typhoon yellow, the early warning of thunderstorm gale yellow, yellow high temperature early warning or
When a variety of, grade B4Value is 3；
If the weather data is orange high temperature alert, grade B4Value is 2；
If the weather data is normal, grade B4Value is 1.
Preferably, in S7 step, the fault degree and number include emergency number C1, significant trouble number C2, one
As number of stoppages C3, wherein obtaining grade B to the fault degree and number analytical calculation5Formula it is as follows:
Preferably, the calculation formula of the distribution transforming health degree H in S8 step is as follows:
Compared with prior art, the beneficial effect of technical solution of the present invention is: by combining weight and data to become distribution
Depressor health degree carries out calculating analysis, can effectively improve distribution transformer health degree analysis efficiency, avoids generating because of artificial meter
Generated accuracy problems are analysed in point counting.
Detailed description of the invention
Fig. 1 is the flow chart of the analysis calculation method of the distribution transforming health degree of the present embodiment.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
In order to better illustrate this embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent actual product
Size；
To those skilled in the art, it is to be understood that certain known features and its explanation, which may be omitted, in attached drawing
's.
The following further describes the technical solution of the present invention with reference to the accompanying drawings and examples.
The present embodiment proposes a kind of analysis calculation method of distribution transforming health degree, as shown in Figure 1, the distribution transforming for the present embodiment is strong
The flow chart of the analysis calculation method of Kang Du, the specific steps of which are as follows:
Step 1: distribution transformer to be analyzed is chosen from the distribution transformer table in distribution generalized information system, and obtains it
Load voltage value U, design period T and its environmental factor.
Step 2: obtaining from distribution transformer table influences the corresponding weight of distribution transformer health degree factor to be analyzed
Ak, wherein k is positive integer.
In the present embodiment, influencing distribution transformer health degree factor to be analyzed includes primary side voltage out-of-limit value, distribution
Temperature of oil in transformer, the operation time limit, weather conditions, fault statistics number and degree, and weight AkIn, k value is 1,2,3,4,5,
Wherein:
A1Indicate weight shared by primary side voltage out-of-limit value, A1Value is 1；
A2Indicate weight shared by distribution transformer oil temperature, A2Value is 3；
A3Indicate weight shared by the operation time limit, A3Value is 1；
A4Indicate weight shared by weather conditions, A4Value is 2；
A5Indicate weight shared by fault statistics number and degree, A5Value is 3.
Step 3: support that obtaining distribution to be analyzed in the message event table in platform becomes from power distribution network operational management skill
Then the real-time voltage value U ' of depressor carries out calculating analysis according to its load voltage value U and real-time voltage value U ' and obtains grade B1。
In this step, calculating analysis is carried out according to its load voltage value U and real-time voltage value U ' and obtains grade B1Formula
It is as follows:
Step 4: inquiring distribution transformer to be analyzed from the device attribute information table in safe production management system is
No is oily type transformer: if so, calculate the oil temperature T of distribution transformer to be analyzed by its telemetry, and to its into
Row calculates analysis and obtains grade B2；If it is not, grade B is then arranged2It is 0.
In this step, when distribution transformer to be analyzed is oily type transformer, the oil temperature T of distribution transformer is carried out
It calculates analysis and obtains grade B2Formula it is as follows:
Step 5: inquiring the actual motion time limit of distribution transformer to be analyzed from the device attribute information table, and
Calculate analyzing according to its design period y and actual motion time limit y ' and obtains grade B3。
In this step, calculating analysis is carried out according to its design period y and actual motion time limit y ' and obtains grade B3Formula
It is as follows:
Step 6: distribution transformer to be analyzed is obtained from the weather condition history lists in distribution network system local data base
Weather data on the day of device, and analytical calculation is carried out to its environmental factor and the weather data and obtains grade B4。
In this step, environmental factor includes both outdoors and indoors；Weather data includes normal, typhoon red early warning, typhoon orange
Color early warning, the early warning of typhoon yellow, thunderstorm gale red early warning, thunderstorm gale orange warning, the early warning of thunderstorm gale yellow, high temperature are red
Color early warning, yellow high temperature early warning, dense fog red early warning, dense fog orange warning, the early warning of dense fog yellow, freezes at orange high temperature alert
Red early warning, wherein the process for carrying out analytical calculation to its environmental factor and the weather data is as follows:
(1) when the environmental factor of distribution transformer to be analyzed is outdoor:
If the weather data is typhoon red early warning or thunderstorm gale red early warning, grade B4Value is 5；
If the weather data is that typhoon orange warning, thunderstorm gale orange warning, high-temperature red early warning, dense fog are red pre-
One of alert, icing red early warning or it is a variety of when, grade B4Value is 4；
If the weather data is that the early warning of typhoon yellow, the early warning of thunderstorm gale yellow, orange high temperature alert, dense fog are orange pre-
When one of alert or a variety of, grade B4Value is 3；
If the weather data is yellow high temperature early warning or dense fog yellow early warning, grade B4Value is 2；
If the weather data is normal, grade B4Value is 1；
(2) when the environmental factor of distribution transformer to be analyzed is indoor:
If the weather data be one of typhoon red early warning, thunderstorm gale red early warning, high-temperature red early warning or
When a variety of, grade B4Value is 4；
If the weather data be one of the early warning of typhoon yellow, the early warning of thunderstorm gale yellow, yellow high temperature early warning or
When a variety of, grade B4Value is 3；
If the weather data is orange high temperature alert, grade B4Value is 2；
If the weather data is normal, grade B4Value is 1.
Step 7: distribution transformer fault degree to be analyzed is inquired from the fault message table in safe production management system
And number, and analyze it and grade B is calculated5。
In this step, fault degree and number include emergency number C1, significant trouble number C2, generic failure number
C3, wherein obtaining grade B to the fault degree and number analytical calculation5Formula it is as follows:
Step 8: according to acquired weight A1、A2、A3、A4、A5Respectively with the grade B that analyzes1、B2、B3、B4、
B5The distribution transforming health degree H of distribution transformer to be analyzed is calculated, specific formula is as follows:
In the present embodiment, by being realized the analysis calculation method setting of distribution transforming health degree in computer systems to distribution
The calculating of transformer health degree is analyzed, and can be effectively improved the analysis efficiency and analysis accuracy rate of distribution transformer health degree, be led to
The analytical calculation for crossing distribution transformer health degree is convenient to distribution network system progress risk assessment.
The same or similar label correspond to the same or similar components；
The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent；
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (9)
1. a kind of analysis calculation method of distribution transforming health degree, which comprises the following steps:
S1: distribution transformer to be analyzed is chosen from the distribution transformer table in distribution generalized information system, and obtains its voltage rating
Value U, design period T and its environmental factor；
S2: obtaining from distribution transformer table influences the corresponding weight A of distribution transformer health degree factor to be analyzedk, wherein k
For positive integer；
S3: the reality that distribution transformer to be analyzed is obtained in the message event table in platform is supported from power distribution network operational management skill
When voltage value U ', then according to its load voltage value U and real-time voltage value U ' carry out calculate analysis obtain grade B1；
S4: inquire whether distribution transformer to be analyzed is oily formula from the device attribute information table in safe production management system
Transformer: if so, calculating the oil temperature T of distribution transformer to be analyzed by its telemetry, and it is carried out to calculate and is divided
Analysis obtains grade B2；If it is not, grade B is then arranged2It is 0；
S5: the actual motion time limit of distribution transformer to be analyzed is inquired from the device attribute information table, and is set according to it
Meter time limit y and actual motion time limit y ', which calculate analyzing, obtains grade B3；
S6: on the day of obtaining distribution transformer to be analyzed from the weather condition history lists in distribution network system local data base
Weather data, and analytical calculation is carried out to its environmental factor and the weather data and obtains grade B4；
S7: inquiring distribution transformer fault degree and number to be analyzed from the fault message table in safe production management system,
And it analyzes it and grade B is calculated5；
S8: according to the weight AkWith grade B1、B2、B3、B4、B5Calculate the distribution transforming health degree H of distribution transformer to be analyzed.
2. the analysis calculation method of distribution transforming health degree according to claim 1, it is characterised in that: influenced in the S2 step
Distribution transformer health degree factor to be analyzed includes primary side voltage out-of-limit value, distribution transformer oil temperature, the operation time limit, weather
Factor, fault statistics number and degree.
3. the analysis calculation method of distribution transforming health degree according to claim 2, it is characterised in that: described in the S2 step
Weight AkIn, k value is 1,2,3,4,5, in which:
A1Indicate weight shared by primary side voltage out-of-limit value, A1Value is 1；
A2Indicate weight shared by distribution transformer oil temperature, A2Value is 3；
A3Indicate weight shared by the operation time limit, A3Value is 1；
A4Indicate weight shared by weather conditions, A4Value is 2；
A5Indicate weight shared by fault statistics number and degree, A5Value is 3.
4. the analysis calculation method of distribution transforming health degree according to claim 3, it is characterised in that: in the S3 step, root
Calculate analyzing according to its load voltage value U and real-time voltage value U ' and obtains grade B1Formula it is as follows:
5. the analysis calculation method of distribution transforming health degree according to claim 3, it is characterised in that: in the S4 step, when
When distribution transformer to be analyzed is oily type transformer, calculating analysis is carried out to the oil temperature T of distribution transformer and obtains grade B2
Formula it is as follows:
6. the analysis calculation method of distribution transforming health degree according to claim 3, it is characterised in that: in the S5 step, root
Calculate analyzing according to its design period y and actual motion time limit y ' and obtains grade B3Formula it is as follows:
7. the analysis calculation method of distribution transforming health degree according to claim 3, it is characterised in that: in the S6 step, institute
Stating environmental factor includes both outdoors and indoors；The weather data includes normal, typhoon red early warning, typhoon orange warning, typhoon
Yellow early warning, thunderstorm gale red early warning, thunderstorm gale orange warning, the early warning of thunderstorm gale yellow, high-temperature red early warning, high temperature
Orange warning, yellow high temperature early warning, dense fog red early warning, dense fog orange warning, the early warning of dense fog yellow, icing red early warning,
In, the process for carrying out analytical calculation to its environmental factor and the weather data is as follows:
(1) when the environmental factor of distribution transformer to be analyzed is outdoor:
If the weather data is typhoon red early warning or thunderstorm gale red early warning, grade B4Value is 5；
If the weather data be typhoon orange warning, thunderstorm gale orange warning, high-temperature red early warning, dense fog red early warning,
One of icing red early warning or it is a variety of when, grade B4Value is 4；
If the weather data be the early warning of typhoon yellow, the early warning of thunderstorm gale yellow, orange high temperature alert, in dense fog orange warning
It is one or more when, grade B4Value is 3；
If the weather data is yellow high temperature early warning or dense fog yellow early warning, grade B4Value is 2；
If the weather data is normal, grade B4Value is 1；
(2) when the environmental factor of distribution transformer to be analyzed is indoor:
If the weather data is one of typhoon red early warning, thunderstorm gale red early warning, high-temperature red early warning or a variety of
When, grade B4Value is 4；
If the weather data is one of the early warning of typhoon yellow, the early warning of thunderstorm gale yellow, yellow high temperature early warning or a variety of
When, grade B4Value is 3；
If the weather data is orange high temperature alert, grade B4Value is 2；
If the weather data is normal, grade B4Value is 1.
8. the analysis calculation method of distribution transforming health degree according to claim 3, it is characterised in that: in the S7 step, institute
It states fault degree and number includes emergency number C1, significant trouble number C2, generic failure number C3, wherein to the event
Barrier degree and number analytical calculation obtain grade B5Formula it is as follows:
9. according to the analysis calculation method of the described in any item distribution transforming health degrees of claim 3~8, it is characterised in that: the S8
The calculation formula of distribution transforming health degree H in step is as follows:
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112308425A (en) * | 2020-11-02 | 2021-02-02 | 国网福建省电力有限公司 | Method for constructing distribution transformer health evaluation index system |
| CN112731009A (en) * | 2020-12-08 | 2021-04-30 | 云南电网有限责任公司昆明供电局 | Device and method for detecting health degree of power supply and utilization equipment facilities |
| CN112731009B (en) * | 2020-12-08 | 2023-05-30 | 云南电网有限责任公司昆明供电局 | Device and method for detecting health degree of power supply equipment |
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Application publication date: 20191119 |