CN113866680A - Intelligent tester for AC loop group - Google Patents
Intelligent tester for AC loop group Download PDFInfo
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- CN113866680A CN113866680A CN202111074951.XA CN202111074951A CN113866680A CN 113866680 A CN113866680 A CN 113866680A CN 202111074951 A CN202111074951 A CN 202111074951A CN 113866680 A CN113866680 A CN 113866680A
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- 238000012360 testing method Methods 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G01R31/55—Testing for incorrect line connections
Abstract
The invention provides an intelligent tester for alternating current loop group, which relates to the technical field of transformer acceptance, and comprises: the system comprises a path testing module, a checking module, a recording module and a printing module; the access testing module is connected with an external group to be tested; the checking module is used for detecting whether the grounding sequence is correct or not and checking whether a path exists between each group or not; the printing module is used for printing the group test result. The tester provided by the invention can reduce the workload of group acceptance personnel and improve the acceptance efficiency and accuracy.
Description
Technical Field
The invention relates to the technical field of transformer acceptance, in particular to an intelligent tester for alternating current loop group.
Background
The alternating current circuit group test in the secondary acceptance stage of the transformer substation is an important detection project, and the work can find out wrong wiring modes such as accurate-level application errors of the transformer and in-phase mixed lines among groups in time. The group testing work at the present stage needs the inspection and acceptance personnel to communicate with the manual interphone at the two ends of the protection room and the local terminal box respectively, the correctness is checked by adopting a method of short circuit to the ground at one side and using a universal meter to carry out the passage of all groups to the ground quantity one by one, and the method has more repetitive work and consumes time and manpower. Because alternating current return circuit wiring is many, including protection, reserve, trouble record ripples, observing and controlling, kilowatt-hour meter etc. a large amount of groups need to use the universal meter to carry out the way one by one to the ground volume in the process of checking and accepting, and work load is huge.
Disclosure of Invention
In view of this, the present invention provides an intelligent testing apparatus for testing groups of ac circuits, so as to reduce the workload of the personnel in the group testing and improve the acceptance efficiency and accuracy.
The invention provides an intelligent tester for AC loop group, comprising: the system comprises a path testing module, a checking module, a recording module and a printing module;
the access testing module is connected with the external group with the test;
the checking module is used for detecting whether the grounding sequence is correct or not and checking whether a path exists between each group or not;
the printing module is used for printing a group test result.
Preferably, the device further comprises a power supply module;
the power supply module is used for supplying power to the access testing module, the verifying module, the recording module and the printing module.
The embodiment of the invention has the following beneficial effects: the invention provides an intelligent tester for AC loop group, comprising: the system comprises a path testing module, a checking module, a recording module and a printing module; the access testing module is connected with the external group with the test; the checking module is used for detecting whether the grounding sequence is correct or not and checking whether a path exists between each group or not; the printing module is used for printing the group test result. The tester provided by the invention can reduce the workload of personnel for group testing, and improve the acceptance efficiency and accuracy.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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 described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a structural diagram of an intelligent tester for an ac loop group according to an embodiment of the present invention;
fig. 2 is a wiring diagram of an intelligent tester for an ac loop group according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
At present, alternating current circuit group testing in a secondary acceptance stage of a transformer substation is an important detection item, and wrong wiring modes such as accurate-level application errors of the transformer and in-phase mixed lines among groups can be found in time through the work. The group testing work at the present stage needs the inspection and acceptance personnel to communicate with the manual interphone at the two ends of the protection room and the local terminal box respectively, the correctness is checked by adopting a method of short circuit to the ground at one side and using a universal meter to carry out the passage of all groups to the ground quantity one by one, and the method has more repetitive work and consumes time and manpower. Because the alternating current circuit has more wiring, including protection, standby, fault recording, measurement and control, kilowatt-hour meter and the like, a large number of groups need to be communicated one by using a universal meter in the process of acceptance, and the workload is huge, therefore, the intelligent tester for the alternating current circuit group provided by the embodiment of the invention can reduce the workload of personnel for group test and improve the efficiency and accuracy of acceptance.
For the convenience of understanding the present embodiment, first, an intelligent tester for testing the group of ac circuits disclosed in the present embodiment will be described in detail.
The invention provides an intelligent tester for AC loop group, comprising: the system comprises a path testing module, a checking module, a recording module and a printing module;
the access testing module is connected with the external group with the test;
the checking module is used for detecting whether the grounding sequence is correct or not and checking whether a path exists between each group or not;
the printing module is used for printing a group test result.
Preferably, the device further comprises a power supply module;
the power supply module is used for supplying power to the access testing module, the verifying module, the recording module and the printing module.
Furthermore, the first path of the intelligent tester for the alternating current loop group is connected with the ground, technicians short-circuit the groups to the ground one by one in each screen cabinet according to the sequence of the groups, and if the sequence of the groups to the ground is consistent with the sequence of the interfaces from front to back by a worker and the device automatically detects that no passage exists among the groups, the groups are considered to be correct.
The invention has the following advantages:
the invention changes the situation that the checking and accepting personnel need to communicate with the manual interphone in the protection room and the local terminal box respectively in the group test work at the present stage, and the correctness is checked by adopting a method of short circuit to the ground at one side and using a universal meter to check the ground quantity access of all groups one by one. The device's application has reduced the personnel's quantity of group's test, has reduced work load, has promoted acceptance efficiency and rate of accuracy.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. The utility model provides an exchange circuit group intelligent test appearance which characterized in that includes: the system comprises a path testing module, a checking module, a recording module and a printing module;
the access testing module is connected with an external group to be tested;
the checking module is used for detecting whether the grounding sequence is correct or not and checking whether a path exists between each group or not;
the printing module is used for printing a group test result.
2. The intelligent tester for the classification of alternating current circuit as claimed in claim 1, further comprising a power supply module;
the power supply module is used for supplying power to the access testing module, the verifying module, the recording module and the printing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111074951.XA CN113866680A (en) | 2021-09-14 | 2021-09-14 | Intelligent tester for AC loop group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111074951.XA CN113866680A (en) | 2021-09-14 | 2021-09-14 | Intelligent tester for AC loop group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113866680A true CN113866680A (en) | 2021-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111074951.XA Pending CN113866680A (en) | 2021-09-14 | 2021-09-14 | Intelligent tester for AC loop group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113866680A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540001A (en) * | 2012-02-16 | 2012-07-04 | 云南电网公司 | Method of checking alternating current loop of a 500kV transformer substation through carrying out simulated through-type three-phase short circuit |
| CN107271776A (en) * | 2017-07-05 | 2017-10-20 | 王雨露 | A kind of zero load transformer station's phasor measurement test method |
| CN112415271A (en) * | 2020-11-26 | 2021-02-26 | 国网天津市电力公司 | Three-phase AC loop direct resistance full-automatic test recorder |
| CN113156276A (en) * | 2021-02-22 | 2021-07-23 | 云南建投第二安装工程公司 | Method for checking and debugging secondary voltage loop in AC withstand voltage test of switchgear bus |
-
2021
- 2021-09-14 CN CN202111074951.XA patent/CN113866680A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540001A (en) * | 2012-02-16 | 2012-07-04 | 云南电网公司 | Method of checking alternating current loop of a 500kV transformer substation through carrying out simulated through-type three-phase short circuit |
| CN107271776A (en) * | 2017-07-05 | 2017-10-20 | 王雨露 | A kind of zero load transformer station's phasor measurement test method |
| CN112415271A (en) * | 2020-11-26 | 2021-02-26 | 国网天津市电力公司 | Three-phase AC loop direct resistance full-automatic test recorder |
| CN113156276A (en) * | 2021-02-22 | 2021-07-23 | 云南建投第二安装工程公司 | Method for checking and debugging secondary voltage loop in AC withstand voltage test of switchgear bus |
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