CN113835043A - Transformer fault processing method and system - Google Patents
Transformer fault processing method and system Download PDFInfo
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- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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Abstract
The invention provides a transformer fault processing method, which comprises the steps that an acquisition device acquires transformer fault moment running state information formed by a transformer protection device in real time and sends the transformer fault moment running state information to a transformer fault information processor terminal; after receiving the running state information of the transformer at the fault moment, the transformer fault information processor terminal judges the current fault type carried in the running state information of the transformer at the fault moment, and further performs characteristic judgment or troubleshooting on the current fault type associated information to determine whether the fault occurring in the transformer is the current fault type. The invention also provides a transformer fault processing system. By implementing the invention, the information of the electric quantity fault, the non-electric quantity fault and other faults in the transformer is effectively collected by the electronic protection information collection technology so as to quickly judge the fault characteristics of the transformer.
Description
Technical Field
The invention relates to the technical field of power grid fault analysis, in particular to a transformer fault processing method and system.
Background
After a power grid fault occurs, a dispatcher usually judges fault characteristics by the change conditions of system frequency, voltage and power flow, protection action conditions and information provided by an intranet information system so as to quickly isolate the fault. At present, the first information obtained by the dispatching personnel is mostly derived from information provided by an intranet information system, and also is partially derived from fault information verified by telephone contact with field personnel, so as to form a basis for fault treatment and system recovery.
However, for a relatively complex transformer fault, due to the fact that the concurrency rate of an electrical fault, a non-electrical fault and other faults (such as a secondary circuit fault) is particularly high, the related information (such as information provided by an intranet information system and fault information verified by telephone contact of field personnel) acquired by the conventional acquisition mode brings great difficulty to judgment of transformer fault characteristics, detailed understanding of the electrical fault information and the non-electrical fault information of the transformer cannot be ensured, and the related information acquired by the conventional acquisition mode cannot be an important basis for fault processing and system recovery, so that stable operation of a power grid is seriously affected.
With the rapid development of informatization, networking and data remote inspection technologies, it is necessary to effectively collect information of electrical faults, non-electrical faults and other faults in a transformer by an electronic protection information collection technology to quickly judge the fault characteristics of the transformer, so that the rapid recovery of power supply can be ensured, the reliability of power supply is improved, and the power failure time of a user is reduced.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present invention is to provide a transformer fault processing method and system, which effectively collect information about electrical faults, non-electrical faults and other faults in a transformer by an electronic protection information collection technology to quickly judge the fault characteristics of the transformer, thereby ensuring quick recovery of power supply, improving reliability of power supply, and reducing power failure time of users.
In order to solve the technical problem, an embodiment of the present invention provides a transformer fault processing method, which is implemented on an acquisition device and a transformer fault information processor terminal; one end of the acquisition device is connected with a preset transformer protection device, and the other end of the acquisition device is connected with the transformer fault information processor terminal; wherein the method comprises the steps of:
the acquisition device acquires the running state information of the transformer formed by the transformer protection device at the fault moment in real time and sends the running state information to the transformer fault information processor terminal; the transformer fault moment running state information is information which is generated by action and is related to the transformer fault when the transformer protection device acts when the transformer connected with the transformer protection device has the fault;
after receiving the running state information of the transformer at the fault moment, the transformer fault information processor terminal judges the current fault type carried in the running state information of the transformer at the fault moment, and further performs characteristic judgment or troubleshooting on the current fault type associated information to determine whether the fault of the transformer is the current fault type; wherein the current fault type is one of a secondary circuit fault, a device fault, an electrical quantity fault and a non-electrical quantity fault.
After receiving the running state information of the transformer at the fault moment, the transformer fault information processor terminal judges the current fault type carried in the running state information of the transformer at the fault moment, and further performs characteristic judgment or troubleshooting on the current fault type associated information to determine whether the fault occurring in the transformer is the current fault type, wherein the specific steps of:
if the current fault type carried in the transformer fault time running state information is judged to be an electrical quantity fault, extracting electrical quantity fault associated information from the transformer fault time running state information to perform characteristic judgment so as to determine whether the fault of the transformer is the electrical quantity fault.
After receiving the running state information of the transformer at the fault moment, the transformer fault information processor terminal judges the current fault type carried in the running state information of the transformer at the fault moment, and further performs characteristic judgment or troubleshooting on the current fault type associated information to determine whether the fault occurring in the transformer is the current fault type, and the further steps include:
if the current fault type carried in the transformer fault time running state information is judged to be a non-electrical fault, extracting non-electrical fault associated information from the transformer fault time running state information to perform characteristic judgment so as to determine whether the fault of the transformer is the non-electrical fault.
After receiving the running state information of the transformer at the fault moment, the transformer fault information processor terminal judges the current fault type carried in the running state information of the transformer at the fault moment, and further performs characteristic judgment or troubleshooting on the current fault type associated information to determine whether the fault occurring in the transformer is the current fault type, and the further steps include:
if the current fault type carried in the transformer fault time running state information is judged to be a secondary circuit fault and a device fault, extracting secondary circuit and device fault associated information from the transformer fault time running state information for checking to determine whether the fault of the transformer is the secondary circuit fault and the device fault.
The transformer fault moment operation state information is change state information formed by a protection constant value, a fault recording chart, a protection state, an input deflection, a channel self-check, a program version and non-electric gas.
The embodiment of the invention also provides a transformer fault processing system, which comprises an acquisition device and a transformer fault information processor terminal; wherein the content of the first and second substances,
one end of the acquisition device is connected with a preset transformer protection device, and the other end of the acquisition device is connected with the transformer fault information processor terminal; the acquisition device is used for acquiring transformer fault moment running state information formed by the transformer protection device in real time and sending the transformer fault moment running state information to the transformer fault information processor terminal; the transformer fault moment running state information is information which is generated by action and is related to the transformer fault when the transformer protection device acts when the transformer connected with the transformer protection device has the fault;
the transformer fault information processor terminal is used for judging the current fault type carried in the transformer fault moment operation state information after receiving the transformer fault moment operation state information, and further performing characteristic judgment or troubleshooting on the current fault type association information to determine whether the fault occurring in the transformer is the current fault type; wherein the current fault type is one of a secondary circuit fault, a device fault, an electrical quantity fault and a non-electrical quantity fault.
The transformer fault information processor terminal comprises an electrical quantity fault judgment unit; wherein the content of the first and second substances,
the electrical quantity fault determination unit is configured to, if it is determined that the current fault type carried in the transformer fault time operation state information is an electrical quantity fault, extract electrical quantity fault association information from the transformer fault time operation state information to perform characteristic determination, so as to determine whether a fault occurring in the transformer is an electrical quantity fault.
The transformer fault information processor terminal also comprises a non-electrical quantity fault judgment unit; wherein the content of the first and second substances,
the non-electrical fault determining unit is configured to, if it is determined that the current fault type carried in the transformer fault time operation state information is a non-electrical fault, extract non-electrical fault associated information from the transformer fault time operation state information to perform characteristic determination, so as to determine whether a fault occurring in the transformer is a non-electrical fault.
The transformer fault information processor terminal also comprises a secondary circuit and a device fault judgment unit; wherein the content of the first and second substances,
and the secondary circuit and device fault judging unit is used for extracting secondary circuit and device fault associated information from the transformer fault moment operation state information to check if the current fault type carried in the transformer fault moment operation state information is judged to be a secondary circuit and device fault, so as to determine whether the fault of the transformer is a secondary circuit and device fault.
The transformer fault moment operation state information is change state information formed by a protection constant value, a fault recording chart, a protection state, an input deflection, a channel self-check, a program version and non-electric gas.
The embodiment of the invention has the following beneficial effects:
the collecting device collects the running state information of the transformer at the fault moment formed by the transformer protection device in real time, and the transformer fault information processor terminal judges the current fault type carried in the information after receiving the running state information of the transformer at the fault moment and further performs characteristic judgment or troubleshooting to determine whether the fault of the transformer is one of a secondary circuit fault, a device fault, an electrical quantity fault and a non-electrical quantity fault.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a transformer fault handling system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a logic structure of a terminal of the fault information processor of the transformer in FIG. 1;
fig. 3 is an application scenario diagram of a transformer fault handling system according to an embodiment of the present invention;
fig. 4 is a flowchart of a transformer fault processing method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a transformer fault processing system provided in the embodiment of the present invention includes an acquisition device 1 and a transformer fault information processor terminal 2. Wherein the content of the first and second substances,
one end of the acquisition device 1 is connected with a preset transformer protection device (not shown), and the other end is connected with a transformer fault information processor terminal 2; the acquisition device 1 is used for acquiring transformer fault moment running state information formed by the transformer protection device in real time and sending the transformer fault moment running state information to the transformer fault information processor terminal 2; the transformer fault time operation state information is information which is generated by action and is related to transformer faults when a transformer protection device (not shown) connected with the transformer protection device is in fault, and comprises protection fault detailed information and fault recording detailed information; it should be noted that the acquisition device 1 is disposed on a data line connecting the transformer protection device and the printer, so that the transformer fault time operation state information acquired by the acquisition device 1 is change state information formed by a protection fixed value, a fault recording chart, a protection state, an input displacement, a channel self-check, a program version, a non-electric quantity gas, and the like.
The transformer fault information processor terminal 2 is used for judging the current fault type carried in the transformer fault time running state information after receiving the transformer fault time running state information, and further performing characteristic judgment or troubleshooting on the current fault type associated information to determine whether the fault of the transformer is the current fault type; wherein the current fault type is one of a secondary circuit and device fault, an electrical quantity fault, and a non-electrical quantity fault.
At this time, the transformer fault information processor terminal 2 includes an electrical quantity fault determination unit 21, a non-electrical quantity fault determination unit 22, and a secondary circuit and device fault determination unit 23; wherein the content of the first and second substances,
the electrical quantity fault determination unit 21 is configured to, if it is determined that the current fault type carried in the transformer fault time operation state information is an electrical quantity fault, extract electrical quantity fault association information from the transformer fault time operation state information to perform characteristic determination, so as to determine whether a fault occurring in the transformer is an electrical quantity fault;
a non-electrical fault determining unit 22, configured to, if it is determined that the current fault type carried in the transformer fault time operating state information is a non-electrical fault, extract non-electrical fault associated information from the transformer fault time operating state information to perform characteristic determination, so as to determine whether a fault occurring in the transformer is a non-electrical fault;
and a secondary circuit and device fault determining unit 23, configured to, if it is determined that the current fault type carried in the transformer fault time operation state information is a secondary circuit and device fault, extract secondary circuit and device fault associated information from the transformer fault time operation state information to perform troubleshooting, so as to determine whether a fault occurring in the transformer is a secondary circuit and device fault.
It should be noted that the characteristic judgment of the electrical fault related information and the non-electrical fault related information is realized by judging whether the corresponding preset characteristic quantities on the transformer fault information processor terminal 2 are matched, and details are not repeated herein. Similarly, the secondary circuit and the device fault related information are checked by presetting a checking rule or step on the transformer fault information processor terminal 2 and judging according to a checking result obtained by the preset checking rule or step in combination with manpower, and details are not repeated herein.
As shown in fig. 3, an application scenario of the transformer fault handling system provided in the embodiment of the present invention is further described:
step 1: and the detailed information of the transformer fault moment is acquired through an acquisition device clamped on a printing data line connected with the transformer protection device and the printer, and is sent to a transformer fault information processor terminal for processing.
Step 2: and the transformer fault information processor terminal obtains the detailed information of the running state of the transformer at the fault moment.
And 3, step 3: the detailed running state information at the fault moment of the transformer distinguishes protection fault detailed information and fault recording detailed information.
And 4, step 4: and analyzing the detailed protection fault information to determine whether an electrical quantity fault exists.
And 5, step 5: and analyzing the detailed information of the fault recording to determine whether the electrical quantity fault exists.
And 6, step 6: and if the electrical quantity faults exist in the 4 th step and the 5 th step, judging the electrical quantity fault characteristics of the transformer in the next step.
And 7, step 7: and analyzing the detailed protection fault information to analyze the related secondary circuit and device faults or the actions of non-electric quantity equipment, if the actions of the non-electric quantity equipment exist.
And 8, step 8: and analyzing the detailed information of fault recording about faults of the related secondary circuit and devices or actions of non-electric quantity equipment, and if the non-electric quantity equipment exists, judging whether the secondary circuit and the devices have faults or not.
Step 9: and if the step 7 and the step 8 have non-electrical fault, judging the non-electrical fault characteristic of the transformer in the next step.
Step 10: and analyzing the detailed protection fault information to analyze the faults of the related secondary circuit and the device or the actions of the non-electric quantity equipment, if the faults of the related secondary circuit and the device exist.
And 11, step 11: and analyzing the fault recording detailed information to analyze the faults of the related secondary circuit and device or the actions of non-electric equipment, if the faults of the related secondary circuit and device exist.
Step 12: and if the faults of the related secondary circuit and the device exist in the 10 th step and the 11 th step, the faults of the related secondary circuit and the device of the transformer are checked in the next step.
Step 13: the transformer electric quantity fault characteristic judgment, the transformer non-electric quantity fault characteristic judgment and the transformer secondary circuit and device fault troubleshooting can be comprehensively judged, and the system can be quickly recovered to normal operation.
As shown in fig. 4, the proposed transformer fault handling method is implemented on the acquisition device and the transformer fault information processor terminal in the transformer fault handling system according to the embodiment of the present invention; one end of the acquisition device is connected with a preset transformer protection device, and the other end of the acquisition device is connected with a transformer fault information processor terminal; wherein the method comprises the steps of:
step S1, the acquisition device acquires the running state information of the transformer formed by the transformer protection device at the fault moment in real time and sends the running state information to the transformer fault information processor terminal; the transformer fault moment running state information is information which is generated by action and is related to the transformer fault when the transformer protection device acts when the transformer connected with the transformer protection device has the fault;
specifically, the transformer protection device acts when a transformer connected with the transformer protection device fails, and the transformer fault moment running state information generated by the action and associated with the transformer fault is enabled to be collected in real time by the collection device and sent to the transformer fault information processor terminal. The running state information at the fault moment of the transformer is change state information formed by a protection constant value, a fault recording chart, a protection state, an opening displacement, a channel self-checking, a program version and non-electric gas.
Step S2, after receiving the running state information of the transformer at the fault moment, the transformer fault information processor terminal judges the current fault type carried in the running state information of the transformer at the fault moment, and further performs characteristic judgment or troubleshooting on the current fault type associated information to determine whether the fault of the transformer is the current fault type; wherein the current fault type is one of a secondary circuit fault, a device fault, an electrical quantity fault and a non-electrical quantity fault.
Specifically, if the current fault type carried in the transformer fault time operation state information is judged to be an electrical quantity fault, extracting electrical quantity fault associated information from the transformer fault time operation state information to perform characteristic judgment so as to determine whether the fault of the transformer is an electrical quantity fault;
if the current fault type carried in the transformer fault time running state information is judged to be a non-electrical fault, extracting non-electrical fault associated information from the transformer fault time running state information to perform characteristic judgment so as to determine whether the fault of the transformer is the non-electrical fault;
and if the current fault type carried in the transformer fault time running state information is judged to be a secondary circuit fault and a device fault, extracting secondary circuit and device fault associated information from the transformer fault time running state information for checking to determine whether the fault of the transformer is the secondary circuit fault and the device fault.
The embodiment of the invention has the following beneficial effects:
the collecting device collects the running state information of the transformer at the fault moment formed by the transformer protection device in real time, and the transformer fault information processor terminal judges the current fault type carried in the information after receiving the running state information of the transformer at the fault moment and further performs characteristic judgment or troubleshooting to determine whether the fault of the transformer is one of a secondary circuit fault, a device fault, an electrical quantity fault and a non-electrical quantity fault.
It should be noted that, in the above system embodiment, each included unit is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
It will be understood by those skilled in the art that all or part of the steps in the method for implementing the above embodiments may be implemented by relevant hardware instructed by a program, and the program may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (10)
1. A transformer fault processing method is characterized in that the transformer fault processing method is realized on an acquisition device and a transformer fault information processor terminal; one end of the acquisition device is connected with a preset transformer protection device, and the other end of the acquisition device is connected with the transformer fault information processor terminal; wherein the method comprises the steps of:
the acquisition device acquires the running state information of the transformer formed by the transformer protection device at the fault moment in real time and sends the running state information to the transformer fault information processor terminal; the transformer fault moment running state information is information which is generated by action and is related to the transformer fault when the transformer protection device acts when the transformer connected with the transformer protection device has the fault;
after receiving the running state information of the transformer at the fault moment, the transformer fault information processor terminal judges the current fault type carried in the running state information of the transformer at the fault moment, and further performs characteristic judgment or troubleshooting on the current fault type associated information to determine whether the fault of the transformer is the current fault type; wherein the current fault type is one of a secondary circuit fault, a device fault, an electrical quantity fault and a non-electrical quantity fault.
2. The transformer fault handling method according to claim 1, wherein the specific steps of the transformer fault information handler terminal, after receiving the running state information at the transformer fault time, determining a current fault type carried in the running state information at the transformer fault time, and further performing characteristic determination or troubleshooting on the current fault type association information to determine whether a fault occurring in the transformer is a current fault type, include:
if the current fault type carried in the transformer fault time running state information is judged to be an electrical quantity fault, extracting electrical quantity fault associated information from the transformer fault time running state information to perform characteristic judgment so as to determine whether the fault of the transformer is the electrical quantity fault.
3. The transformer fault handling method according to claim 1, wherein the transformer fault information handler terminal, after receiving the transformer fault time operation state information, determines a current fault type carried in the transformer fault time operation state information, and further performs characteristic determination or troubleshooting on current fault type association information to determine whether a fault occurring in the transformer is a current fault type, further comprising:
if the current fault type carried in the transformer fault time running state information is judged to be a non-electrical fault, extracting non-electrical fault associated information from the transformer fault time running state information to perform characteristic judgment so as to determine whether the fault of the transformer is the non-electrical fault.
4. The transformer fault handling method according to claim 1, wherein the transformer fault information handler terminal, after receiving the transformer fault time operation state information, determines a current fault type carried in the transformer fault time operation state information, and further performs characteristic determination or troubleshooting on current fault type association information to determine whether a fault occurring in the transformer is a current fault type, further comprising:
if the current fault type carried in the transformer fault time running state information is judged to be a secondary circuit fault and a device fault, extracting secondary circuit and device fault associated information from the transformer fault time running state information for checking to determine whether the fault of the transformer is the secondary circuit fault and the device fault.
5. The transformer fault handling method according to claim 1, wherein the running state information at the time of the transformer fault is changed state information formed by a protection fixed value, a fault oscillogram, a protection state, an on/off displacement, a channel self-check, a program version, and a non-electric gas.
6. A transformer fault processing system is characterized by comprising an acquisition device and a transformer fault information processor terminal; wherein the content of the first and second substances,
one end of the acquisition device is connected with a preset transformer protection device, and the other end of the acquisition device is connected with the transformer fault information processor terminal; the acquisition device is used for acquiring transformer fault moment running state information formed by the transformer protection device in real time and sending the transformer fault moment running state information to the transformer fault information processor terminal; the transformer fault moment running state information is information which is generated by action and is related to the transformer fault when the transformer protection device acts when the transformer connected with the transformer protection device has the fault;
the transformer fault information processor terminal is used for judging the current fault type carried in the transformer fault moment operation state information after receiving the transformer fault moment operation state information, and further performing characteristic judgment or troubleshooting on the current fault type association information to determine whether the fault occurring in the transformer is the current fault type; wherein the current fault type is one of a secondary circuit fault, a device fault, an electrical quantity fault and a non-electrical quantity fault.
7. The transformer fault handling system of claim 6, wherein the transformer fault information handler terminal comprises an electrical quantity fault determining unit; wherein the content of the first and second substances,
the electrical quantity fault determination unit is configured to, if it is determined that the current fault type carried in the transformer fault time operation state information is an electrical quantity fault, extract electrical quantity fault association information from the transformer fault time operation state information to perform characteristic determination, so as to determine whether a fault occurring in the transformer is an electrical quantity fault.
8. The transformer fault handling system of claim 6, wherein the transformer fault information handler terminal further comprises a non-electrical quantity fault determination unit; wherein the content of the first and second substances,
the non-electrical fault determining unit is configured to, if it is determined that the current fault type carried in the transformer fault time operation state information is a non-electrical fault, extract non-electrical fault associated information from the transformer fault time operation state information to perform characteristic determination, so as to determine whether a fault occurring in the transformer is a non-electrical fault.
9. The transformer fault handling system of claim 6, wherein the transformer fault information handler terminal further comprises a secondary loop and device fault determining unit; wherein the content of the first and second substances,
and the secondary circuit and device fault judging unit is used for extracting secondary circuit and device fault associated information from the transformer fault moment operation state information to check if the current fault type carried in the transformer fault moment operation state information is judged to be a secondary circuit and device fault, so as to determine whether the fault of the transformer is a secondary circuit and device fault.
10. The transformer fault handling system of claim 6, wherein the transformer fault time operational state information is change state information formed by a protection fixed value, a fault oscillogram, a protection state, an on-off deflection, a channel self-check, a program version and a non-electric gas.
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