CN106124902B - A kind of distribution transformer health state evaluation system - Google Patents
A kind of distribution transformer health state evaluation system Download PDFInfo
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- CN106124902B CN106124902B CN201610568149.9A CN201610568149A CN106124902B CN 106124902 B CN106124902 B CN 106124902B CN 201610568149 A CN201610568149 A CN 201610568149A CN 106124902 B CN106124902 B CN 106124902B
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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 distribution transformer health state evaluation systems, are related to technical field of electric power, can carry out health state evaluation to distribution transformer according to power distribution network actual conditions and associated specifications.The distribution transformer health state evaluation system includes data acquisition module, for realizing the online acquisition and acquisition, and the data for being also used to arrive with external system synchronous acquisition offline to data；Data management module, for the data collecting module collected to data store；Base module, for storing sample database, the sample database is used to store the threshold value of each quantity of state of the distribution transformer；Evaluation module is compared for calling the data being stored in the data management module, and with the threshold value of each quantity of state of the distribution transformer in the sample database, carries out single diagnosis to the distribution transformer；Or for carrying out comprehensive diagnos to the distribution transformer to the data in the data management module.
Description
Technical field
The present invention relates to technical field of electric power more particularly to a kind of distribution transformer health state evaluation systems.
Background technique
Power distribution network is electric device electric energy hair, becomes, is defeated, with the link to customer power supply in four big links.10kV low pressure
Power distribution network is in the terminal of power distribution network, is connected directly by distribution transformer and 380/220V electric power low-pressure user.Thereby it is ensured that
Safe and reliable, the stable operation of distribution transformer have important social effect concerning the various aspects of production, life.
In order to ensure safe and reliable, the stable operation of distribution transformer, it is required that staff goes out in distribution transformer
When existing defect, it can find in time, formulate maintenance plan, thus the generation of trouble saving.Therefore, according to power distribution network actual conditions and
Associated specifications, which carry out health state evaluation to distribution transformer, just seems increasingly important.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of distribution transformer health state evaluation system, Neng Gouyi
Health state evaluation is carried out to distribution transformer according to power distribution network actual conditions and associated specifications.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
The embodiment of the invention provides a kind of distribution transformer health state evaluation systems to include:
Data acquisition module for realizing the online acquisition and offline acquisition to data, and is also used to and external system
The data that synchronous acquisition arrives；
Data management module, for the data collecting module collected to data store；
Base module, for storing sample database, the sample database is used to store each quantity of state of the distribution transformer
Threshold value；
Evaluation module, for calling the data being stored in the data management module, and with the institute in the sample database
The threshold value for stating each quantity of state of distribution transformer is compared, and carries out single diagnosis to the distribution transformer；Or for pair
Data in the data management module carry out comprehensive diagnos to the distribution transformer.
Preferably, the base module is also used to store typical case library, and the typical case library is described for storing
The typical fault and method for maintaining of distribution transformer.
Preferably, the distribution transformer health state evaluation system further include:
Authentication module, for by the evaluation module by comprehensive diagnos evaluate come failure and the typical case library
Interior data are verified, to verify the assessment accuracy of the evaluation module, when the authentication module authenticates to the assessment
Module by comprehensive diagnos evaluate come failure be not inconsistent with the data in the typical case library, then feed back the assessment mould
Block.
Preferably, the evaluation module re-starts comprehensive diagnos after the feedback for receiving the authentication module.
Preferably, the evaluation module is also used to evaluate the failure come and the typical case library in the comprehensive diagnos
When interior data are consistent, the corresponding maintenance decision in the typical case library is shown.
Preferably, the evaluation module includes algorithm management submodule, algorithm configuration submodule and submodule as the result is shown,
The algorithm management submodule is used to store and manage the algorithm for single diagnosis or comprehensive diagnos；
The algorithm configuration submodule is for receiving in the algorithm newly inputted, or the reception deletion algorithm management submodule
The instruction of the algorithm of storage；
The submodule as the result is shown be used for show single diagnosis as a result, and the comprehensive diagnos evaluate come therefore
When barrier is consistent with the data in the typical case library, the result of comprehensive diagnos is shown.
Preferably, the data of the data collecting module collected include the high and low pressure side phase current of the distribution transformer
D.C. resistance, insulation resistance and the connector temperature of signal, winding and casing, sound, oil level and the oil temperature of fuel tank, the distribution
The ground resistance of the earthed system of transformer.
Preferably, the distribution transformer health state evaluation system further include:
The network switch, the network switch are located at the data acquisition module and are set on the distribution transformer
Data acquisition device between, transmit the data from the data acquisition device.
Preferably, pass through wireless network connection between the network switch and the data acquisition device.
Preferably, it is connected between the network switch and the data acquisition device by network communication protocol.
The present invention provides a kind of distribution transformer health state evaluation systems, including data acquisition module, data management
The modules such as module, base module and evaluation module, these modules cooperate, and carry out to the health status of distribution transformer quasi-
Really, meet actual diagnosis so that staff when defect occurs in distribution transformer or before there is defect, can find in time,
Maintenance plan is formulated, thus the generation of trouble saving.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, embodiment will be described below
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram of distribution transformer health state evaluation system provided in an embodiment of the present invention；
Fig. 2 is that the data transmission structure of distribution transformer health state evaluation system provided in an embodiment of the present invention is illustrated
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of distribution transformer health state evaluation systems, as shown in Figure 1, the distribution transformer
Device health state evaluation system includes:
Data acquisition module for realizing the online acquisition and offline acquisition to data, and is also used to and external system
The data that synchronous acquisition arrives.
In the embodiment of the present invention, the data of data collecting module collected include the high and low pressure side phase current of distribution transformer
D.C. resistance, insulation resistance and the connector temperature of signal, winding and casing, sound, oil level and the oil temperature of fuel tank, distribution transformer
The data such as the ground resistance of the earthed system of device.It is strong to be conducive to the distribution transformer for data abundant about distribution transformer
Health status assessing system makes more accurately more fully health state evaluation to distribution transformer.
Data management module, for being stored to the collected data of data acquisition module, to prevent the loss of data,
The repetition of data is facilitated to call simultaneously.
Base module, for storing sample database, sample database is used to store the threshold value of each quantity of state of distribution transformer, is
The distribution transformer health state evaluation system makes health state evaluation to distribution transformer and provides foundation.
Evaluation module, for calling the data being stored in data management module, and with the distribution transformer in sample database
The threshold value of each quantity of state be compared, single diagnosis is carried out to distribution transformer；Or for from data management module
Interior data carry out comprehensive diagnos to distribution transformer.
For example, single can be diagnosed for this single item quantity of state of oil temperature when the threshold value comparison of evaluation module and oil temperature
When learning that collected oil temperature is excessively high, evaluation module directly warns or shows this abnormal index to staff；Alternatively,
If have multinomial quantity of state exception simultaneously at this time, single diagnosis possibly can not solve the problems, such as that then evaluation module can at this time at this time
Comprehensive diagnos is carried out based on these abnormal quantity of states, to obtain the assessment result of accurate health status.
Further, base module is also used to store typical case library, and typical case library is for storing distribution transformer
Typical fault and method for maintaining, provide stronger experience with the diagnostic result for distribution transformer health state evaluation system
Support.
In order to verify the comprehensive diagnos of evaluation module as a result, the distribution transformer health state evaluation system further include: test
Demonstrate,prove module, for by evaluation module by comprehensive diagnos evaluate come failure verified with the data in typical case library,
To verify the assessment accuracy of evaluation module, when authentication module authenticate to evaluation module by comprehensive diagnos evaluate come failure
It is not inconsistent with the data in typical case library, then feedback with evaluation module.
Then evaluation module re-starts comprehensive diagnos after receiving the feedback of authentication module, and will equally integrate again
The health evaluating result of diagnosis is transferred to authentication module and is verified again, until being verified.Then evaluation module is also used to
When the failure that comprehensive diagnos evaluates is consistent with the data in typical case library, the corresponding dimension in typical case library is shown
Repair decision.There is typical case library as reference, finally obtained health evaluating result and maintenance decision more meet distribution transformer
Actual conditions, it is more acurrate, effective.
Specifically, in the embodiment of the present invention, the evaluation module may include algorithm management submodule, algorithm configuration submodule and
Submodule as the result is shown.Wherein, algorithm management submodule is used to store and manage the algorithm for single diagnosis or comprehensive diagnos；
Algorithm configuration submodule is for receiving the finger of the algorithm stored in the algorithm newly inputted, or reception deletion algorithm management submodule
It enables；As the result is shown submodule be used for show single diagnosis as a result, and comprehensive diagnos evaluate come failure and typical case
When data in library are consistent, show comprehensive diagnos result and corresponding maintenance decision.These submodules cooperate, just
It managed in time in staff, update the distribution transformer health state evaluation system, further ensured finally obtained strong
Health assessment result and maintenance decision more meet the actual conditions of distribution transformer, more acurrate, effective.
In the technical solution of the embodiment of the present invention, as shown in Fig. 2, the distribution transformer health state evaluation system is also wrapped
Include the network switch, the network switch be located at data acquisition module and the data acquisition device that is set on distribution transformer it
Between, transmit the data from data acquisition device.
Data acquisition device connects distant communication terminal, collected data can will be transmitted in real time by distant communication terminal
To the network switch, realizing collected data can upload in time, so as to healthy using intelligence to distribution transformer
Appraisal procedure grasps the operating condition of distribution transformer in time.
In the embodiment of the present invention, RF radio network brief introduction can be passed through between data acquisition device and distant communication terminal.
RF radio network with its distinctive strong antijamming capability, high reliablity, safety is good, limited less by geographical conditions, install and apply
The features such as work is easy to be flexible, wide application prospect is suffered from many fields.
In order to improve the versatility of the distribution transformer health state evaluation system, distant communication terminal can be used a variety of logical
Believe access form, realizes the data transmission between the distant communication terminal and the network switch.
For example, distant communication terminal may be provided with wireless module, it will using wireless module (RF wireless module)
For the real-time Data Transmission received from data acquisition device to public communication network, public communication network refers to that network service mentions
It is built for quotient, the communication network used for common user.The communication line of public communication network is to share to common user's use
's.And then network communication (the Transmission by establishing between public communication network and the network switch
Control Protocol/Internet Protocol, abbreviation TCP/IP) agreement, it realizes and hands over real-time Data Transmission to network
The purpose changed planes.
Wherein, wireless module is a kind of module being wirelessly transferred using wireless technology.It is widely used in electricity
Brain wireless network, wireless telecommunications, the fields such as wireless control.Wireless module is mainly by transmitter, receiver and controller composition.This
Wireless network in inventive embodiments can be the existing wireless networks such as 3G, GPRS, CDMA or LTE.
Alternatively, distant communication terminal may be provided with network communication module, which is directly assisted by TCP/IP
The view connection network switch, realizes the transmission of the real time data from data acquisition device.Network in the embodiment of the present invention is logical
Letter module can be realized by physical chip.
Furthermore distant communication terminal is also provided with serial communication modular, the serial communication modular in the embodiment of the present invention
Using serial line interface, meet ModbusRTU/ASCII protocol specification.It is simple, flexible using unitization structure, serial communication mould
Block and the combination of corresponding data acquisition device, can cope with various field applications.It is provided with the distant communication of serial communication modular
Terminal can be connect by serial communication modular with Communication server, serial server be for RS-232 terminal to TCP/IP it
Between complete data conversion communication interface protocol converter.The transparent biography of data double-way of RS-232 terminal and TCP/IP network is provided
It is defeated, serial ports is provided and turns TCP/IP function, RS-232 turns the solution of TCP/IP.RS-232 serial equipment can be allowed to couple immediately
Network.
It should be noted that the distant communication terminal in the embodiment of the present invention can include simultaneously above-mentioned three kinds of modules, can make
The distant communication terminal have preferably compatibility, be able to achieve distant communication terminal various communications protocols (101 unbalanceds,
101 balanced type specifications and 104 specifications) detection, standardized the data exchange of the network switch.
Alternatively, as shown in Fig. 2, if being provided with multiple data acquisition dresses in the distribution transformer health state evaluation system
It sets, each data acquisition device is set to different places, special to acquire the different data of distribution transformer.Then for inhomogeneity
The data of type can use different transmission modes, that is, the distant communication terminal of corresponding types be respectively configured, therefore the distribution becomes
Multiple distant communication terminals are configured in depressor health state evaluation system.
In conclusion the embodiment of the invention provides a kind of distribution transformer health state evaluation system, including data are adopted
Collect the modules such as module, data management module, base module and evaluation module, these modules cooperate, to distribution transformer
Health status carry out it is accurate, meet actual diagnosis so that staff is when defect occurs in distribution transformer or lacks
Before falling into, it can find in time, formulate maintenance plan, thus the generation of trouble saving.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can borrow
Help software that the mode of required common hardware is added to realize, naturally it is also possible to which the former is more preferably by hardware, but in many cases
Embodiment.Based on this understanding, the portion that technical solution of the present invention substantially in other words contributes to the prior art
Dividing can be embodied in the form of software products, which stores in a readable storage medium, such as count
The floppy disk of calculation machine, hard disk or CD etc., including some instructions are used so that computer equipment (it can be personal computer,
Server or the network equipment etc.) execute method described in each embodiment of the present invention.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (2)
1. a kind of distribution transformer health state evaluation system characterized by comprising
Data acquisition module for realizing the online acquisition and offline acquisition to data, and is also used to synchronous with external system
Collected data；
Data management module, for the data collecting module collected to data store；
Base module, for storing sample database, the sample database is used to store the threshold of each quantity of state of the distribution transformer
Value；The base module is also used to store typical case library, and the typical case library is for storing the distribution transformer
Typical fault and method for maintaining；
Evaluation module, for calling the data being stored in the data management module, and in the sample database described in match
The threshold value of each quantity of state of piezoelectric transformer is compared, and carries out single diagnosis to the distribution transformer；Or for coming from
Data in the data management module carry out comprehensive diagnos to the distribution transformer；
Authentication module, for by the evaluation module by comprehensive diagnos evaluate come failure and the typical case library in
Data are verified, to verify the assessment accuracy of the evaluation module, when the authentication module authenticates to the evaluation module
By comprehensive diagnos evaluate come failure be not inconsistent with the data in the typical case library, then feed back the evaluation module；Institute
Evaluation module is stated after the feedback for receiving the authentication module, re-starts comprehensive diagnos；
The evaluation module is also used to the data phase in the failure that the comprehensive diagnos evaluates with the typical case library
When meeting, the corresponding maintenance decision in the typical case library is shown；
The evaluation module includes algorithm management submodule, algorithm configuration submodule and submodule as the result is shown,
The algorithm management submodule is used to store and manage the algorithm for single diagnosis or comprehensive diagnos；
The algorithm configuration submodule is for receiving storage in the algorithm newly inputted, or the reception deletion algorithm management submodule
Algorithm instruction；
The submodule as the result is shown be used for show single diagnosis as a result, and the comprehensive diagnos evaluate come failure with
When data in the typical case library are consistent, the result of comprehensive diagnos is shown；
The data of the data collecting module collected include the high and low pressure side phase current signal of the distribution transformer, winding and
D.C. resistance, insulation resistance and the connector temperature of casing, sound, oil level and the oil temperature of fuel tank, the distribution transformer connect
The ground resistance of ground system；
The network switch, the number that the network switch is located at the data acquisition module and is set on the distribution transformer
According between acquisition device, the data from the data acquisition device are transmitted；
Pass through wireless network connection between the network switch and the data acquisition device.
2. distribution transformer health state evaluation system according to claim 1, which is characterized in that the network switch
It is connect between the data acquisition device by network communication protocol.
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| CN201610568149.9A CN106124902B (en) | 2016-07-19 | 2016-07-19 | A kind of distribution transformer health state evaluation system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109870621B (en) * | 2019-03-08 | 2021-04-30 | 厦门尚为科技股份有限公司 | Operation judgment method and device |
| CN110568301B (en) * | 2019-09-16 | 2021-08-17 | 国网河北省电力有限公司电力科学研究院 | Detection mode prejudging method based on effective detection rate of transformer state quantity |
| CN110888002A (en) * | 2019-10-11 | 2020-03-17 | 大唐水电科学技术研究院有限公司 | Distribution transformer health assessment method |
| CN110889775A (en) * | 2019-10-29 | 2020-03-17 | 贵州电网有限责任公司 | Key distribution equipment characteristic parameter system |
| CN114034948B (en) * | 2021-10-25 | 2024-06-04 | 国网江西省电力有限公司电力科学研究院 | Distribution transformer outage research and judgment method based on multi-source data fusion |
| CN117113157B (en) * | 2023-10-23 | 2024-02-09 | 国网安徽省电力有限公司合肥供电公司 | Platform district power consumption fault detection system based on artificial intelligence |
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| CN101709995A (en) * | 2009-12-24 | 2010-05-19 | 浙江大学 | Methods for vibration online monitoring and fault diagnosis of power transformer |
| CN103163420A (en) * | 2011-12-08 | 2013-06-19 | 沈阳工业大学 | Intelligent power transformer on-line state judgment method |
| CN103778575A (en) * | 2014-03-04 | 2014-05-07 | 国网浙江宁波市鄞州区供电公司 | Transformer state evaluation method and system |
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