CN112649698A - Feeder automation test system - Google Patents
Feeder automation test system Download PDFInfo
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- CN112649698A CN112649698A CN202011449415.9A CN202011449415A CN112649698A CN 112649698 A CN112649698 A CN 112649698A CN 202011449415 A CN202011449415 A CN 202011449415A CN 112649698 A CN112649698 A CN 112649698A
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- control unit
- control
- test system
- module
- feeder automation
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
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- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a feeder line automatic test system, which comprises a control unit, a power amplifier and an interference generator, wherein the control unit is used for finishing analog output amplitude and angle control, analog output recovery correction and communication control and carrying out feeder line automatic test, the power amplifier is used for amplifying weak voltage signals into alternating current signals and alternating voltage signals and outputting the alternating current signals through an analog output module, the interference generator is used for analyzing interference on signals input into the control unit through a digital input module and sending out control signals of the control unit through a communication control module, the invention finishes analog output amplitude and angle control, analog output recovery correction and communication control through the control unit and carries out comprehensive and wide feeder line test, and the invention also inputs fault information and interference data through the interference generator, and real-time parameter configuration and running state monitoring are realized, so that the test result is more accurate.
Description
Technical Field
The invention relates to the technical field of feeder line testing, in particular to a feeder line automatic testing system.
Background
The construction of the distribution automation system is further developing, and good construction and application effects are obtained. But the problems of unstable system, poor practicability, high equipment defect rate, low fault positioning accuracy and the like exist in the process of power distribution automation operation. However, in the existing feeder automation test technology, a plurality of relay protection instruments are generally adopted, and simple functional test is completed under the support of equipment suppliers and equipment such as a terminal, a main station and the like, but fault information and interference data are ignored in the functional test, the test accuracy is deviated, and the efficiency is low.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above-mentioned problems occurring in the conventional feeder automation test.
Therefore, an object of the present invention is to provide a feeder automation test system, which completes analog output amplitude and angle control, analog output recovery correction, and communication control through a control unit, performs comprehensive and wide feeder automation tests, and inputs fault information and interference data through an interference generator, thereby implementing real-time parameter configuration and operation status monitoring, and making the test result more accurate.
In order to solve the technical problems, the invention provides the following technical scheme: the feeder line automatic test system comprises a control unit, a power amplifier and an interference generator, wherein the control unit is used for finishing analog output amplitude and angle control, analog output recovery correction and communication control and carrying out feeder line automatic test, the power amplifier is used for amplifying weak voltage signals into alternating current signals and alternating voltage signals and outputting the alternating current signals and the alternating voltage signals through an analog output module, and the interference generator is used for analyzing and interfering signals input into the control unit through a digital input module and sending out control signals of the control unit through a communication control module.
As a preferred embodiment of the feeder automation test system of the present invention, wherein: the power amplifier is communicated with the control unit and the analog quantity output module.
As a preferred embodiment of the feeder automation test system of the present invention, wherein: the interference generator is communicated with the control unit, the digital quantity input module and the communication control module.
As a preferred embodiment of the feeder automation test system of the present invention, wherein: the control unit is also connected with a touch screen, and the touch screen is used for controlling the adjustment of the unit signal and the display of the running state.
As a preferred embodiment of the feeder automation test system of the present invention, wherein: the control unit is also connected with an interface module, and the interface module comprises a USB interface, a network port and a serial port.
As a preferred embodiment of the feeder automation test system of the present invention, wherein: the control unit is also connected with a GPS positioner.
As a preferred embodiment of the feeder automation test system of the present invention, wherein: the digital quantity input module simulates all states and operating mechanisms of the field switch, and all states of the field switch include: the switch state, the grounding switch state, the remote and local state, various abnormal signals of the switch, the control on-off relay state and the control off-off relay state.
The invention has the beneficial effects that: the invention completes analog output amplitude and angle control, analog output recovery correction and communication control through the control unit, carries out comprehensive and wide feeder automation test, and also realizes real-time parameter configuration and running state monitoring through inputting fault information and interference data by the interference generator, thereby leading the test result to be more accurate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments 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 obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic diagram of an overall framework structure of the feeder automation test system according to the present invention.
Fig. 2 is a schematic structural diagram of an interface module in the feeder automation test system according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1, a feeder automation test system according to a first embodiment of the present invention includes a control unit, a power amplifier, and an interference generator.
The control unit is used for finishing analog output amplitude and angle control, analog output recovery correction and communication control and carrying out feeder line automatic test. The power amplifier is used for amplifying the weak voltage signal into an alternating current signal and an alternating voltage signal and outputting the alternating current signal and the alternating voltage signal through the analog quantity output module. Specifically, the power amplifier is communicated with the control unit and the analog quantity output module. The interference generator analyzes interference of signals input into the control unit through the digital quantity input module and sends out control signals of the control unit through the communication control module. Specifically, the interference generator is communicated with the control unit, the digital quantity input module and the communication control module.
In the invention, the control unit is connected with the touch screen, and the touch screen is used for controlling the adjustment of the unit signal and the display of the running state, thereby realizing the real-time parameter configuration and the running state monitoring. Wherein, the control unit is also connected with a GPS localizer.
In the invention, the digital input module simulates all the states and operating mechanisms of the operation of the field switch, and all the states of the operation of the field switch comprise: the switch state, the grounding switch state, the remote and local state, various abnormal signals of the switch, the control on-off relay state and the control off-off relay state.
Example 2
Referring to fig. 2, a second embodiment of the present invention, which is different from the first embodiment, is: the control unit is also connected with an interface module, and the interface module comprises a USB interface, a network port and a serial port.
Compared with the embodiment 1, further, the feeder automation test system comprises a control unit, a power amplifier and an interference generator.
The control unit is used for finishing analog output amplitude and angle control, analog output recovery correction and communication control and carrying out feeder line automatic test. The power amplifier is used for amplifying the weak voltage signal into an alternating current signal and an alternating voltage signal and outputting the alternating current signal and the alternating voltage signal through the analog quantity output module. Specifically, the power amplifier is communicated with the control unit and the analog quantity output module. The interference generator analyzes interference of signals input into the control unit through the digital quantity input module and sends out control signals of the control unit through the communication control module. Specifically, the interference generator is communicated with the control unit, the digital quantity input module and the communication control module.
In the invention, the control unit is connected with the touch screen, and the touch screen is used for controlling the adjustment of the unit signal and the display of the running state, thereby realizing the real-time parameter configuration and the running state monitoring. Wherein, the control unit is also connected with a GPS localizer.
In the invention, the digital input module simulates all the states and operating mechanisms of the operation of the field switch, and all the states of the operation of the field switch comprise: the switch state, the grounding switch state, the remote and local state, various abnormal signals of the switch, the control on-off relay state and the control off-off relay state.
In the invention, the control unit is also connected with an interface module, the interface module comprises a USB interface, a network port and a serial port, and the interface module can be communicated with external computer equipment to realize the functions of real-time control, firmware upgrade, parameter setting, test result export and the like.
The rest of the structure is the same as that of embodiment 1.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (7)
1. A feeder automation test system characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the control unit is used for finishing analog output amplitude and angle control, analog output recovery correction and communication control and carrying out feeder automation test;
the power amplifier is used for amplifying the weak voltage signal into an alternating current signal and an alternating voltage signal and outputting the alternating current signal and the alternating voltage signal through the analog quantity output module;
and the interference generator analyzes interference of the signal input into the control unit through the digital quantity input module and sends out a control signal of the control unit through the communication control module.
2. The feeder automation test system of claim 1, wherein: the power amplifier is communicated with the control unit and the analog quantity output module.
3. The feeder automation test system of claim 1, wherein: the interference generator is communicated with the control unit, the digital quantity input module and the communication control module.
4. The feeder automation test system of claim 1, wherein: the control unit is also connected with a touch screen, and the touch screen is used for controlling the adjustment of the unit signal and the display of the running state.
5. The feeder automation test system of claim 1, wherein: the control unit is also connected with an interface module, and the interface module comprises a USB interface, a network port and a serial port.
6. The feeder automation test system of claim 1, wherein: the control unit is also connected with a GPS positioner.
7. The feeder automation test system of claim 1, wherein: the digital quantity input module simulates all states and operating mechanisms of the field switch, and all states of the field switch include: the switch state, the grounding switch state, the remote and local state, various abnormal signals of the switch, the control on-off relay state and the control off-off relay state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011449415.9A CN112649698A (en) | 2020-12-09 | 2020-12-09 | Feeder automation test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011449415.9A CN112649698A (en) | 2020-12-09 | 2020-12-09 | Feeder automation test system |
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| CN112649698A true CN112649698A (en) | 2021-04-13 |
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| CN202011449415.9A Pending CN112649698A (en) | 2020-12-09 | 2020-12-09 | Feeder automation test system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2624494Y (en) * | 2002-12-20 | 2004-07-07 | 安徽中兴继远信息技术有限公司 | Power distribution automation feeder line monitor terminal |
| CN104007366A (en) * | 2014-06-12 | 2014-08-27 | 国网上海市电力公司 | Feeder automation test system with automatic interference input function |
| CN110045218A (en) * | 2019-04-04 | 2019-07-23 | 国网浙江省电力有限公司嘉兴供电公司 | A kind of 10kV route Intelligent single-phase ground fault detection device and its control system |
| CN110927420A (en) * | 2019-11-25 | 2020-03-27 | 国网宁夏电力有限公司电力科学研究院 | Current and voltage regulation and control system for feeder automation test |
| CN210327143U (en) * | 2019-04-03 | 2020-04-14 | 国网江西省电力有限公司电力科学研究院 | Automatic field test device for multi-state feeder |
| CN111679140A (en) * | 2020-06-01 | 2020-09-18 | 广西电网有限责任公司电力科学研究院 | Feeder automation test system based on RTDS real-time digital simulator |
-
2020
- 2020-12-09 CN CN202011449415.9A patent/CN112649698A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2624494Y (en) * | 2002-12-20 | 2004-07-07 | 安徽中兴继远信息技术有限公司 | Power distribution automation feeder line monitor terminal |
| CN104007366A (en) * | 2014-06-12 | 2014-08-27 | 国网上海市电力公司 | Feeder automation test system with automatic interference input function |
| CN210327143U (en) * | 2019-04-03 | 2020-04-14 | 国网江西省电力有限公司电力科学研究院 | Automatic field test device for multi-state feeder |
| CN110045218A (en) * | 2019-04-04 | 2019-07-23 | 国网浙江省电力有限公司嘉兴供电公司 | A kind of 10kV route Intelligent single-phase ground fault detection device and its control system |
| CN110927420A (en) * | 2019-11-25 | 2020-03-27 | 国网宁夏电力有限公司电力科学研究院 | Current and voltage regulation and control system for feeder automation test |
| CN111679140A (en) * | 2020-06-01 | 2020-09-18 | 广西电网有限责任公司电力科学研究院 | Feeder automation test system based on RTDS real-time digital simulator |
Non-Patent Citations (1)
| Title |
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| 唐仁权等: "配电自动化现场测试技术研究及实践", 《电工电气》 * |
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Application publication date: 20210413 |