CN113835043B - Transformer fault processing method and system - Google Patents
Transformer fault processing method and system Download PDFInfo
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- CN113835043B CN113835043B CN202111030564.6A CN202111030564A CN113835043B CN 113835043 B CN113835043 B CN 113835043B CN 202111030564 A CN202111030564 A CN 202111030564A CN 113835043 B CN113835043 B CN 113835043B
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- 238000011835 investigation Methods 0.000 claims abstract description 5
- 238000013024 troubleshooting Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 abstract description 6
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Classifications
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/62—Testing of transformers
Abstract
The invention provides a transformer fault processing method, which comprises the steps that an acquisition device acquires running state information of a transformer formed by a transformer protection device at the moment of a transformer fault in real time and sends the 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 investigation on the related information of the current fault type so as to determine whether the fault of the transformer is the current fault type. The invention also provides a transformer fault processing system. By implementing the invention, the information containing the electrical quantity faults, the non-electrical quantity faults and other faults in the transformer is effectively collected by adopting an electronic protection information collection technology, so that the fault characteristics of the transformer can be rapidly judged.
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 the power grid faults occur, a dispatcher often judges fault characteristics by providing information through system frequency, voltage and tide change conditions, protection action conditions and an intranet information system so as to quickly isolate the faults. Currently, most of the first information obtained by the dispatcher is derived from information provided by an intranet information system, and the other part of the first information is derived from fault information verified by telephone connection with field personnel, so that the first information is formed as a basis for fault handling and system recovery.
However, aiming at the complex transformer faults, the concurrency probability of electrical quantity faults, non-electrical quantity faults and other faults (such as secondary circuit faults and the like) is particularly high, so that the related information (such as information provided by an intranet information system and fault information verified by field personnel telephone connection) collected by the conventional collection mode brings great difficulty to the judgment of the fault characteristics of the transformer, the detailed understanding of the electrical quantity fault information and the non-electrical quantity fault information of the transformer cannot be ensured, and the related information collected by the conventional collection mode cannot become important basis for fault processing and system recovery, thereby seriously affecting the stable operation of a power grid.
With the rapid development of informatization, networking and data remote inspection technologies, it is necessary to effectively collect information containing electrical quantity faults, non-electrical quantity faults and other faults in a transformer through an electronic protection information collection technology for rapidly judging the fault characteristics of the transformer, so that rapid recovery of power supply can be ensured, power supply reliability is improved, and user power failure time is reduced.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is to provide a transformer fault processing method and system, which effectively acquire information containing electrical quantity faults, non-electrical quantity faults and other faults in a transformer through an electronic protection information acquisition technology so as to rapidly judge the fault characteristics of the transformer, thereby ensuring rapid recovery of power supply, improving the reliability of power supply and reducing the power failure time of users.
In order to solve the technical problems, the embodiment of the invention provides a transformer fault processing method which is realized on a collecting 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 fault moment formed by the transformer protection device 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 the action and is related to the transformer fault when the transformer protection device acts when the transformer connected with the transformer protection device breaks down;
after receiving the transformer fault moment running state information, the transformer fault information processor terminal judges the current fault type carried in the transformer fault moment running state information, 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 secondary circuit and device faults, electrical quantity faults and non-electrical quantity faults.
After receiving the operation state information of the transformer at the fault moment, the transformer fault information processor terminal judges the current fault type carried in the operation state information of the transformer at the fault moment, and further performs characteristic judgment or troubleshooting on the related information of the current fault type to determine whether the fault of the transformer is the current fault type, wherein the specific steps of determining whether the fault of the transformer is the current fault type include:
if the current fault type carried in the transformer fault moment operation state information is judged to be the electrical quantity fault, extracting electrical quantity fault related information from the transformer fault moment operation state information to perform characteristic judgment so as to determine whether the fault of the transformer is the electrical quantity fault.
After receiving the operation state information of the transformer at the fault moment, the transformer fault information processor terminal judges the current fault type carried in the operation state information of the transformer at the fault moment, and further performs characteristic judgment or troubleshooting on the related information of the current fault type to determine whether the fault of the transformer is the current fault type, and further comprises the following steps:
and if the current fault type carried in the transformer fault moment operation state information is judged to be the non-electrical quantity fault, extracting non-electrical quantity fault related information from the transformer fault moment operation state information to perform characteristic judgment so as to determine whether the fault of the transformer is the non-electrical quantity fault.
After receiving the operation state information of the transformer at the fault moment, the transformer fault information processor terminal judges the current fault type carried in the operation state information of the transformer at the fault moment, and further performs characteristic judgment or troubleshooting on the related information of the current fault type to determine whether the fault of the transformer is the current fault type, and further comprises the following steps:
if the current fault type carried in the transformer fault moment operation state information is judged to be the secondary circuit and device fault, extracting secondary circuit and device fault related information from the transformer fault moment operation state information for troubleshooting so as to determine whether the fault of the transformer is the secondary circuit and device fault.
The transformer fault moment running state information is change state information formed by a protection fixed value, a fault wave recording chart, a protection state, an opening and shifting state, a channel self-checking state, a program version and non-electric quantity gas.
The embodiment of the invention also provides a transformer fault processing system, which comprises a collecting device and a transformer fault information processor terminal; wherein,
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 the running state information of the transformer fault moment formed by the transformer protection device in real time and sending the running state information to the transformer fault information processor terminal; the transformer fault moment running state information is information which is generated by the action and is related to the transformer fault when the transformer protection device acts when the transformer connected with the transformer protection device breaks down;
the transformer fault information processor terminal is used for judging the current fault type carried in the transformer fault moment running state information after receiving the transformer fault moment running state information, and further carrying out characteristic judgment or investigation on the current fault type associated information so as to determine whether the fault of the transformer is the current fault type; wherein the current fault type is one of secondary circuit and device faults, electrical quantity faults and non-electrical quantity faults.
The transformer fault information processor terminal comprises an electric quantity fault judging unit; wherein,
and the electrical quantity fault judging unit is used for extracting electrical quantity fault related information from the transformer fault moment operation state information to perform characteristic judgment so as to determine whether the fault of the transformer is an electrical quantity fault or not if the current fault type carried in the transformer fault moment operation state information is judged to be the electrical quantity fault.
The transformer fault information processor terminal further comprises a non-electrical quantity fault judging unit; wherein,
and the non-electric quantity fault judging unit is used for extracting non-electric quantity fault related information from the transformer fault moment operation state information to perform characteristic judgment so as to determine whether the fault of the transformer is a non-electric quantity fault or not if the current fault type carried in the transformer fault moment operation state information is judged to be the non-electric quantity fault.
The transformer fault information processor terminal further comprises a secondary loop and a device fault judging unit; wherein,
and the secondary circuit and device fault judging unit is used for extracting secondary circuit and device fault related information from the transformer fault moment operation state information and performing troubleshooting to determine whether the faults of the transformer are secondary circuit and device faults or not if the current fault type carried in the transformer fault moment operation state information is judged to be the secondary circuit and device faults.
The transformer fault moment running state information is change state information formed by a protection fixed value, a fault wave recording chart, a protection state, an opening and shifting state, a channel self-checking state, a program version and non-electric quantity gas.
The embodiment of the invention has the following beneficial effects:
the invention acquires the running state information of the transformer fault moment formed by the transformer protection device in real time, the transformer fault information processor terminal judges the current fault type carried in the information after receiving the running state information of the transformer fault moment, and further judges or checks the characteristics to determine whether the fault of the transformer is one of a secondary loop and a device fault, an electrical quantity fault and a non-electrical quantity fault, so that the information of the electrical quantity fault, the non-electrical quantity fault and other faults in the transformer is effectively acquired through an electronic protection information acquisition technology to rapidly judge the fault characteristics of the transformer, thereby ensuring the rapid recovery of power supply, improving the reliability of power supply and reducing the power failure time of users.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that it is within the scope of the invention to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
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 the logical structure of the transformer fault information processor terminal of 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 handling method according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent.
As shown in fig. 1, in an embodiment of the present invention, a transformer fault processing system is provided, which includes a collecting device 1 and a transformer fault information processor terminal 2. Wherein,
one end of the acquisition device 1 is connected with a preset transformer protection device (not shown), and the other end of the acquisition device is connected with a transformer fault information processor terminal 2; the acquisition device 1 is used for acquiring the running state information of the transformer fault moment formed by the transformer protection device in real time and transmitting the running state information to the transformer fault information processor terminal 2; the operation state information at the moment of the transformer fault is information which is generated by the action and is related to the transformer fault and comprises protection fault detailed information and fault wave recording detailed information, wherein the operation state information at the moment of the transformer fault is the information which is generated by the action when a transformer (not shown) connected with the transformer protection device is in fault; it should be noted that, the acquisition device 1 is disposed on a data line connected between the transformer protection device and the printer, so that the running state information of the transformer at the fault moment acquired by the acquisition device 1 is the change state information formed by the protection fixed value, the fault record chart, the protection state, the start-in deflection, the channel self-checking, the program version, the non-electric gas and the like.
The transformer fault information processor terminal 2 is configured to determine a current fault type carried in the transformer fault moment operation state information after receiving the transformer fault moment operation state information, and further perform 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; wherein the current fault type is one of secondary circuit and device faults, electrical quantity faults and non-electrical quantity faults.
At this time, the transformer fault information processor terminal 2 includes an electric quantity fault judging unit 21, a non-electric quantity fault judging unit 22, and a secondary circuit and device fault judging unit 23; wherein,
an electrical quantity fault judging unit 21, configured to extract electrical quantity fault related information from the transformer fault moment operation state information to perform characteristic judgment to determine whether a fault occurring in the transformer is an electrical quantity fault if it is determined that the current fault type carried in the transformer fault moment operation state information is an electrical quantity fault;
a non-electric quantity fault judging unit 22, configured to extract non-electric quantity fault related information from the transformer fault moment operation state information to perform characteristic judgment to determine whether the fault occurring in the transformer is a non-electric quantity fault if it is determined that the current fault type carried in the transformer fault moment operation state information is a non-electric quantity fault;
and the secondary circuit and device fault judging unit 23 is configured to extract secondary circuit and device fault related information from the transformer fault moment operation state information and perform troubleshooting to determine whether the fault of the transformer is a secondary circuit and device fault if the current fault type carried in the transformer fault moment operation state information is determined to be the secondary circuit and device fault.
It should be noted that, the characteristic judgment of the electrical quantity fault related information and the non-electrical quantity fault related information is achieved by judging whether the corresponding preset characteristic quantities on the transformer fault information processor terminal 2 are matched, which is not described herein. Similarly, the secondary circuit and the device fault related information are checked by presetting checking rules or steps on the transformer fault information processor terminal 2 and judging by combining checking results obtained manually according to the set checking rules or steps, which are not described herein.
As shown in fig. 3, an application scenario of a transformer fault handling system provided in an embodiment of the present invention is further described:
step 1: and the detailed information of the fault moment of the transformer 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 terminal of the transformer fault information processor for processing.
Step 2: the transformer fault information processor terminal obtains the running state detailed information of the transformer at the moment of fault.
Step 3: the detailed information of the running state of the transformer at the fault moment is distinguished into the detailed information of the protection fault and the detailed information of the fault wave recording.
Step 4: and analyzing the detailed information of the protection faults to determine whether the electrical quantity faults exist.
Step 5: and analyzing the fault wave recording detailed information to judge whether the electrical quantity faults exist.
Step 6: and if the electric quantity faults exist in the step 4 and the step 5, judging the electric quantity fault characteristics of the transformer in a further step.
Step 7: and analyzing the detailed information of the protection fault, analyzing related secondary circuit and device faults or non-electric quantity equipment actions, and if the non-electric quantity equipment actions exist.
Step 8: and analyzing related secondary circuit and device faults or non-electric quantity equipment actions according to the fault wave recording detailed information, and if the non-electric quantity equipment actions exist.
Step 9: and if the non-electric quantity faults exist in the step 7 and the step 8, judging the non-electric quantity fault characteristics of the transformer in a further step.
Step 10: and analyzing the detailed information of the protection faults to the related secondary circuit and device faults or non-electric equipment actions, and if the related secondary circuit and device faults exist.
Step 11: and analyzing related secondary circuit and device faults or non-electric quantity equipment actions according to the fault wave recording detailed information, and if the related secondary circuit and device faults exist.
Step 12: 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 further checked.
Step 13: the method can comprehensively judge the electrical quantity fault characteristics of the transformer, the non-electrical quantity fault characteristics of the transformer and the secondary circuit and device fault investigation of the transformer, and realize the rapid recovery of the system to normal operation.
Fig. 4 shows a method for processing a transformer fault according to an embodiment of the present invention, which is implemented on a collecting device and a transformer fault information processor terminal in the foregoing transformer fault processing system; 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 fault moment formed by the transformer protection device 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 the action and is related to the transformer fault when the transformer protection device acts when the transformer connected with the transformer protection device breaks down;
specifically, the transformer protection device acts when the connected transformer fails, and the running state information of the transformer at the time of the transformer failure, which is generated by the action and is related to the transformer failure, enables the acquisition device to acquire the running state information of the transformer at the time of the transformer failure in real time, and sends the running state information to the transformer failure information processor terminal. The running state information of the transformer at the fault moment is change state information formed by a protection fixed value, a fault wave recording chart, a protection state, an opening and shifting state, a channel self-checking state, a program version and non-electric quantity gas.
Step S2, after receiving the transformer fault moment running state information, the transformer fault information processor terminal judges the current fault type carried in the transformer fault moment running state information, 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 secondary circuit and device faults, electrical quantity faults and non-electrical quantity faults.
Specifically, if the current fault type carried in the operation state information of the transformer at the moment of fault is judged to be an electrical quantity fault, extracting electrical quantity fault related information from the operation state information of the transformer at the moment of fault to perform characteristic judgment so as to determine whether the fault of the transformer is an electrical quantity fault or not;
if the current fault type carried in the operation state information at the moment of the transformer fault is judged to be a non-electrical quantity fault, extracting non-electrical quantity fault related information from the operation state information at the moment of the transformer fault to perform characteristic judgment so as to determine whether the fault of the transformer is the non-electrical quantity fault or not;
if the current fault type carried in the transformer fault moment operation state information is judged to be the secondary circuit and device fault, extracting secondary circuit and device fault related information from the transformer fault moment operation state information for troubleshooting so as to determine whether the fault of the transformer is the secondary circuit and device fault.
The embodiment of the invention has the following beneficial effects:
the invention acquires the running state information of the transformer fault moment formed by the transformer protection device in real time, the transformer fault information processor terminal judges the current fault type carried in the information after receiving the running state information of the transformer fault moment, and further judges or checks the characteristics to determine whether the fault of the transformer is one of a secondary loop and a device fault, an electrical quantity fault and a non-electrical quantity fault, so that the information of the electrical quantity fault, the non-electrical quantity fault and other faults in the transformer is effectively acquired through an electronic protection information acquisition technology to rapidly judge the fault characteristics of the transformer, thereby ensuring the rapid recovery of power supply, improving the reliability of power supply and reducing the power failure time of users.
It should be noted that, in the above system embodiment, each unit included is only divided according to the functional logic, but not limited to the above division, so long as the corresponding function can be implemented; in addition, the specific names of the functional units are also only for distinguishing from each other, and are not used to limit the protection scope of the present invention.
Those of ordinary skill in the art will appreciate that all or a portion of the steps in implementing the methods of the above embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc.
The foregoing disclosure is illustrative of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (8)
1. The transformer fault processing method is characterized in that the method is realized on a collecting 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 fault moment formed by the transformer protection device 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 the action and is associated with the transformer fault when the transformer protection device is connected with the transformer fault moment running state information, and comprises protection fault detailed information and fault wave recording detailed information;
after receiving the transformer fault moment running state information, the transformer fault information processor terminal judges the current fault type carried in the transformer fault moment running state information, 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 secondary circuit and device faults, electrical quantity faults and non-electrical quantity faults;
after receiving the operation state information of the transformer at the fault moment, the transformer fault information processor terminal judges the current fault type carried in the operation state information of the transformer at the fault moment, and further performs characteristic judgment or troubleshooting on the related information of the current fault type to determine whether the fault of the transformer is the current fault type, and further comprises the following steps:
if the current fault type carried in the transformer fault moment operation state information is judged to be a secondary circuit and device fault, extracting secondary circuit and device fault related information from the transformer fault moment operation state information for troubleshooting so as to determine whether the fault of the transformer is the secondary circuit and device fault;
the secondary circuit and device fault associated information is checked by presetting checking rules or steps on the transformer fault information processor terminal and combining checking results obtained manually according to the set checking rules or steps.
2. The transformer fault handling method according to claim 1, wherein the specific steps of the transformer fault information processor terminal, after receiving the transformer fault moment operation state information, judging a current fault type carried in the transformer fault moment operation state information, and further performing characteristic judgment 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 moment operation state information is judged to be the electrical quantity fault, extracting electrical quantity fault related information from the transformer fault moment operation 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 as claimed in claim 1, wherein the step of the transformer fault information processor terminal, after receiving the transformer fault time operation state information, determining a current fault type carried in the transformer fault time operation state information, and further performing characteristic determination or investigation on the current fault type association information to determine whether a fault occurring in the transformer is a current fault type further comprises:
and if the current fault type carried in the transformer fault moment operation state information is judged to be the non-electrical quantity fault, extracting non-electrical quantity fault related information from the transformer fault moment operation state information to perform characteristic judgment so as to determine whether the fault of the transformer is the non-electrical quantity fault.
4. The method of claim 1, wherein the transformer fault time operation state information is a change state information formed by a protection constant value, a fault log, a protection state, an on-off shift, a channel self-test, a program version and a non-electric gas.
5. The transformer fault processing system is characterized by comprising a collecting device and a transformer fault information processor terminal; wherein,
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 the running state information of the transformer fault moment formed by the transformer protection device in real time and sending the running state information to the transformer fault information processor terminal; the transformer fault moment running state information is information which is generated by the action and is associated with the transformer fault when the transformer protection device is connected with the transformer fault moment running state information, and comprises protection fault detailed information and fault wave recording detailed information;
the transformer fault information processor terminal is used for judging the current fault type carried in the transformer fault moment running state information after receiving the transformer fault moment running state information, and further carrying out characteristic judgment or investigation on the current fault type associated information so as to determine whether the fault of the transformer is the current fault type; wherein the current fault type is one of secondary circuit and device faults, electrical quantity faults and non-electrical quantity faults;
the transformer fault information processor terminal further comprises a secondary circuit and a device fault judging unit; wherein,
the secondary circuit and device fault judging unit is used for extracting secondary circuit and device fault related information from the transformer fault moment operation state information and performing troubleshooting to determine whether the faults generated by the transformer are secondary circuit and device faults or not if the current fault type carried in the transformer fault moment operation state information is judged to be the secondary circuit and device faults;
the secondary circuit and device fault associated information is checked by presetting checking rules or steps on the transformer fault information processor terminal and combining checking results obtained manually according to the set checking rules or steps.
6. The transformer fault handling system of claim 5, wherein the transformer fault information processor terminal comprises an electrical quantity fault determination unit; wherein,
and the electrical quantity fault judging unit is used for extracting electrical quantity fault related information from the transformer fault moment operation state information to perform characteristic judgment so as to determine whether the fault of the transformer is an electrical quantity fault or not if the current fault type carried in the transformer fault moment operation state information is judged to be the electrical quantity fault.
7. The transformer fault handling system of claim 5, wherein the transformer fault information processor terminal further comprises a non-electrical quantity fault determination unit; wherein,
and the non-electric quantity fault judging unit is used for extracting non-electric quantity fault related information from the transformer fault moment operation state information to perform characteristic judgment so as to determine whether the fault of the transformer is a non-electric quantity fault or not if the current fault type carried in the transformer fault moment operation state information is judged to be the non-electric quantity fault.
8. The transformer fault handling system of claim 5, wherein the transformer fault time operation state information is a change state information formed by a protection constant value, a fault log, a protection state, an on-off shift, a channel self-test, a program version, and a non-electric gas.
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