CN112596003A - One-key type secondary alternating current loop polarity tester and testing method - Google Patents
One-key type secondary alternating current loop polarity tester and testing method Download PDFInfo
- Publication number
- CN112596003A CN112596003A CN202011363589.3A CN202011363589A CN112596003A CN 112596003 A CN112596003 A CN 112596003A CN 202011363589 A CN202011363589 A CN 202011363589A CN 112596003 A CN112596003 A CN 112596003A
- Authority
- CN
- China
- Prior art keywords
- synchronizer
- side device
- remote control
- line selector
- pulse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- G01R31/72—Testing of electric windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a one-key type secondary alternating current loop polarity tester and a testing method, which relate to the technical field of secondary detection and comprise the following steps: a primary side device and a secondary side device; the primary side device comprises a pulse generator, a first synchronizer, a remote control receiver and a first line selector; the secondary side device comprises a pulse receiver, a second synchronizer, a second line selector, a remote control generator, a CPU, a storage module and a printing module; the CPU is respectively connected with the remote control generator, the printing module, the second synchronizer and the storage module; the second synchronizer is respectively connected with the second line selector and the pulse receiver; the first synchronizer is respectively connected with the pulse generator, the first line selector and the remote control receiver. Each output port of first line selection ware all links there is the relay. The tester and the testing method of the invention relieve the technical problem of complex secondary loop detection in the prior art, realize automatic loop testing and reduce the error probability of phase-by-phase testing.
Description
Technical Field
The invention relates to the technical field of three-phase alternating current loop polarity detection, in particular to a one-key type secondary alternating current loop polarity tester and a testing method.
Background
With the gradual increase of the electricity consumption of residents, the workload of capital construction, technical improvement and extension of each grid and provincial company and each maintenance company of the national power grid is huge, the task of detecting and accepting the secondary alternating current loop is heavy, and a new tool is urgently needed to improve the acceptance speed of the secondary alternating current loop.
For the new station acceptance and extension work, the polarity of the CT point in the relay protection acceptance stage is a complicated process due to the fact that the number of the CTs is large, each phase line needs to be switched repeatedly, AB, BC, AC, AN, BN and CN are manually selected one by one for measurement, and time and labor are consumed. The phase-by-phase measurement process is complicated due to the fact that the number of groups is large; because the circuits are multiple, the groups are multiple, the taps are multiple, and the phase-by-phase measurement is easy to make errors.
The detection of the secondary alternating current loop is very important, the primary equipment can be damaged by the open circuit of the CT loop and the short circuit of the PT loop, the relay protection can be refused to operate or malfunction due to the misconnection of the alternating current loop, and the consequences are serious.
The existing 'point polarity' method of the secondary alternating current loop is relatively original, the 'point polarity' is realized by adopting a 1.5V dry battery, a manual wire plugging method is adopted to select a line and other relatively original working modes, and human intervention factors are large.
Therefore, it is necessary to develop a one-key polarity tester for the secondary ac loop.
Disclosure of Invention
In view of this, the present invention provides a one-key type polarity tester for a secondary ac loop and a testing method thereof, which alleviates the technical problem of tedious secondary loop detection and acceptance in the prior art, improves the automation level of polarity testing, and reduces the workload of polarity testing.
The invention provides a one-key polarity tester for a secondary alternating current loop, which comprises:
a primary side device and a secondary side device;
the primary side device comprises a pulse generator, a first synchronizer, a remote control receiver and a first line selector;
the secondary side device comprises a pulse receiver, a second synchronizer, a second line selector, a remote control generator, a CPU, a storage module and a printing module;
the CPU is respectively connected with the remote control generator, the printing module, the second synchronizer and the storage module;
the second synchronizer is respectively connected with the second line selector and the pulse receiver;
the first synchronizer is respectively connected with the pulse generator, the first line selector and the remote control receiver.
Each output port of the first line selector is connected with a relay.
In another aspect, the invention provides a one-key polarity test method for a secondary alternating current loop, wherein the pulse generator generates pulses, and the pulse receiver receives the pulses of the pulse generator.
The embodiment of the invention has the following beneficial effects: the invention provides a one-key type secondary alternating current loop polarity tester and a testing method, wherein the one-key type secondary alternating current loop polarity tester comprises the following steps: a primary side device and a secondary side device; the primary side device comprises a pulse generator, a first synchronizer, a remote control receiver and a first line selector; the secondary side device comprises a pulse receiver, a second synchronizer, a second line selector, a remote control generator, a CPU, a storage module and a printing module; the CPU is respectively connected with the remote control generator, the printing module, the second synchronizer and the storage module; the second synchronizer is respectively connected with the second line selector and the pulse receiver; the first synchronizer is respectively connected with the pulse generator, the first line selector and the remote control receiver. Each output port of first line selection ware all links there is the relay. According to the invention, the complicated technical problems of remote talkback, manual line reversing, manual recording, manual meter reading, manual pulse transmitting and the like of personnel required for polarity detection of the secondary three-phase alternating-current loop mutual inductor group in the prior art are solved, the automation level of polarity test is improved, and the workload of polarity test work is reduced.
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 circuit diagram of a primary side device of a one-key secondary ac loop polarity tester according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a secondary side device of a one-key secondary ac loop polarity tester according to an embodiment of the present invention;
fig. 3 is a primary side structure diagram of a one-key secondary ac loop polarity tester according to an embodiment of the present invention;
fig. 4 is a secondary side structure diagram of a one-key secondary ac loop polarity tester 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, with the gradual increase of the electricity consumption of residents, the workload of capital construction, technical improvement and extension of each network and provincial company and each maintenance company of a national power grid is huge, the test task of a secondary alternating current loop is heavy, and a new tool is urgently needed to improve the acceptance speed of the secondary alternating current loop. Based on the above, the one-key type polarity tester for the secondary alternating current loop and the testing method provided by the embodiment of the invention can relieve the technical problem of complex detection of the secondary loop in the prior art, realize automatic loop testing and reduce the error probability of phase-by-phase testing.
For the convenience of understanding the embodiment, a detailed description will be given to a one-button secondary ac loop polarity tester disclosed in the embodiment of the present invention.
The first embodiment is as follows:
with reference to fig. 1 to 4, the present invention provides a one-touch secondary ac loop polarity tester, including:
a primary side device and a secondary side device;
the primary side device comprises a pulse generator, a first synchronizer, a remote control receiver and a first line selector;
the secondary side device comprises a pulse receiver, a second synchronizer, a second line selector, a remote control generator, a CPU, a storage module and a printing module;
the CPU is respectively connected with the remote control generator, the printing module, the second synchronizer and the storage module;
the second synchronizer is respectively connected with the second line selector and the pulse receiver;
the first synchronizer is respectively connected with the pulse generator, the first line selector and the remote control receiver.
Each output port of the first line selector is connected with a relay.
Example two:
the second embodiment of the invention provides a one-key polarity testing method for a secondary alternating current loop, wherein a pulse generator generates pulses, and a pulse receiver receives the pulses of the pulse generator.
Further, when the pulse occurs, the line selector performs line selection and performs excitation by using a relay, and the CPU acquires line selection information and detects a secondary side loop;
the storage unit acquires the detection result and prints the detection result by the printing module.
Unless specifically stated otherwise, the relative steps, numerical expressions, and values of the components and steps set forth in these embodiments do not limit the scope of the present invention.
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 a one-key secondary alternating current loop polarity tester which characterized in that includes:
a primary side device and a secondary side device;
the primary side device comprises a pulse generator, a first synchronizer, a remote control receiver and a first line selector;
the secondary side device comprises a pulse receiver, a second synchronizer, a second line selector, a remote control generator, a CPU, a storage module and a printing module;
the CPU is respectively connected with the remote control generator, the printing module, the second synchronizer and the storage module;
the second synchronizer is respectively connected with the second line selector and the pulse receiver;
the first synchronizer is respectively connected with the pulse generator, the first line selector and the remote control receiver.
Each output port of the first line selector is connected with a relay.
2. A one-click secondary ac loop polarity test method using the method of claim 1, wherein the pulse generator generates pulses and the pulse receiver receives the pulses from the pulse generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011363589.3A CN112596003A (en) | 2020-11-28 | 2020-11-28 | One-key type secondary alternating current loop polarity tester and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011363589.3A CN112596003A (en) | 2020-11-28 | 2020-11-28 | One-key type secondary alternating current loop polarity tester and testing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112596003A true CN112596003A (en) | 2021-04-02 |
Family
ID=75187225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011363589.3A Pending CN112596003A (en) | 2020-11-28 | 2020-11-28 | One-key type secondary alternating current loop polarity tester and testing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112596003A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095899A (en) * | 2009-12-14 | 2011-06-15 | 北京市电力公司 | Wiring device and current mutual inductance testing system |
| CN203894361U (en) * | 2014-06-27 | 2014-10-22 | 国网安徽省电力公司淮南供电公司 | Long-distance mutual inductor polarity tester |
| CN109752628A (en) * | 2019-01-15 | 2019-05-14 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of multifunctional mutual-inductor polarity test instrument based on embedded RTU |
| CN110579676A (en) * | 2019-09-19 | 2019-12-17 | 国网辽宁省电力有限公司营口供电公司 | Automatic polarity detection device |
| CN211206600U (en) * | 2019-05-22 | 2020-08-07 | 中国石油天然气股份有限公司 | Polarity tester for current transformer |
-
2020
- 2020-11-28 CN CN202011363589.3A patent/CN112596003A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095899A (en) * | 2009-12-14 | 2011-06-15 | 北京市电力公司 | Wiring device and current mutual inductance testing system |
| CN203894361U (en) * | 2014-06-27 | 2014-10-22 | 国网安徽省电力公司淮南供电公司 | Long-distance mutual inductor polarity tester |
| CN109752628A (en) * | 2019-01-15 | 2019-05-14 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of multifunctional mutual-inductor polarity test instrument based on embedded RTU |
| CN211206600U (en) * | 2019-05-22 | 2020-08-07 | 中国石油天然气股份有限公司 | Polarity tester for current transformer |
| CN110579676A (en) * | 2019-09-19 | 2019-12-17 | 国网辽宁省电力有限公司营口供电公司 | Automatic polarity detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11555837B2 (en) | Volt-var device monitor | |
| CN103941079B (en) | Power distribution network PT on-line monitoring and fault diagnosis system | |
| JP2022528369A (en) | Detection methods, devices, electronic devices and storage media for power consumption behavior | |
| CN113063997A (en) | Distribution transformer area line loss abnormity problem monitoring method | |
| CN111463783B (en) | Low-voltage distribution network topology identification and fault positioning device and application method | |
| US10969414B2 (en) | Monitoring electric systems for wiring faults | |
| CN113447856A (en) | Automatic quality inspection testing device and method for transformer | |
| CN112596003A (en) | One-key type secondary alternating current loop polarity tester and testing method | |
| CN110865316A (en) | Ammeter wiring identification detection system and method | |
| CN114518549A (en) | Method and system for monitoring wrong wiring mode of three-phase intelligent electric meter in real time | |
| CN113489147A (en) | Harmonic monitoring system | |
| CN214473872U (en) | Full-automatic polarity tester of three-phase alternating current loop mutual inductor group | |
| CN117195453A (en) | Distributed power supply bearing capacity optimization method considering multi-voltage-class coupling | |
| CN111812449A (en) | Power distribution network state estimation abnormity identification method | |
| CN117538666A (en) | High-resistance on-load test secondary current loop remote diagnosis method and system | |
| CN112051448B (en) | Intelligent multi-path voltage phase detector for transformer substation and control method thereof | |
| CN112415440A (en) | Full-automatic polarity tester of three-phase alternating current loop mutual inductor group | |
| CN212364472U (en) | Low-voltage distribution network electricity stealing and leakage detection device and monitoring system | |
| CN112415271A (en) | Three-phase AC loop direct resistance full-automatic test recorder | |
| CN217060342U (en) | Three-phase AC loop direct resistance full-automatic test recorder | |
| CN116223871A (en) | Metering device and metering method for replacing electric energy meter without power outage | |
| CN110783923B (en) | Transformer substation main transformer neutral point connection processing method and system | |
| CN114441896A (en) | Distribution network automation simulation platform and FTU detection method | |
| CN114089120A (en) | Intelligent substation secondary voltage loop fault diagnosis positioning device and method | |
| CN111458584A (en) | Automatic energy efficiency test platform and test method for power electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210402 |