CN111044820A - Transformer substation intelligent secondary interface fault removing device and method - Google Patents
Transformer substation intelligent secondary interface fault removing device and method Download PDFInfo
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- CN111044820A CN111044820A CN201911318143.6A CN201911318143A CN111044820A CN 111044820 A CN111044820 A CN 111044820A CN 201911318143 A CN201911318143 A CN 201911318143A CN 111044820 A CN111044820 A CN 111044820A
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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
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2612—Data acquisition interface
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- Automation & Control Theory (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a substation intelligent secondary interface fault removing device, which is characterized by comprising the following components: the information acquisition device is used for acquiring current data of each node of the primary equipment circuit and the secondary circuit; the diagnosis device is electrically connected with the information acquisition device and judges whether the current data are abnormal or not after receiving the current data; and the alarm device is electrically connected with the diagnosis device, and when the diagnosis device judges that the current data is abnormal, the alarm device gives an alarm and displays the abnormal position. Primary equipment circuit and secondary circuit can obtain real-time control to report to the police promptly and remind the staff to investigate when current data is unusual, the staff can be according to the quick troubleshooting that carries out of abnormal position that shows, improve troubleshooting speed and efficiency and can play certain prevention effect simultaneously, just investigate in unusual stage, just can discover the trouble after avoiding the trouble to cause more obvious sign.
Description
Technical Field
The invention relates to the field of transformer substations, in particular to a device and a method for removing a fault of an intelligent secondary interface of a transformer substation.
Background
As an important component of an electric power system, a transformer substation plays roles in transmission, conversion, distribution and the like of electric power energy, and the safe operation of the transformer substation is related to the safety and stability of the whole electric power system.
In the prior art, a logic loop formed by electromagnetic relays is formed by switching on and off positions and the like of different intermediate relays, and then connecting a plurality of nodes of the corresponding intermediate relays in series or in parallel to a primary equipment circuit and a secondary circuit, so that the problem in the loop can be found only through manual inspection after the electromagnetic relays are operated or have faults, the working efficiency is reduced, and the reliability of primary equipment operation is also influenced.
Disclosure of Invention
Therefore, in order to solve the above problems, it is necessary to provide a substation intelligent secondary interface troubleshooting device and method, which have the effects of improving troubleshooting speed and efficiency.
The utility model provides a transformer substation's intelligence secondary interface troubleshooting device which characterized in that includes:
the information acquisition device is used for acquiring current data of each node of the primary equipment circuit and the secondary circuit;
the diagnosis device is electrically connected with the information acquisition device and is used for judging whether the current data is abnormal or not after receiving the current data;
and the alarm device is electrically connected with the diagnosis device, and when the diagnosis device judges that the current data is abnormal, the alarm device gives an alarm and displays an abnormal position.
Through the technical scheme, the primary equipment circuit and the secondary circuit can be monitored in real time, the current data are reported to the police when being abnormal, and workers are reminded to conduct troubleshooting, the workers can conduct troubleshooting quickly according to displayed abnormal positions, troubleshooting speed and efficiency are improved, meanwhile, a certain preventive effect can be achieved, troubleshooting is conducted in an abnormal stage, and faults are prevented from being discovered after more obvious characterization.
In one embodiment, the alarm device comprises a display, and the display displays the abnormal node position of the current data.
Through the technical scheme, the abnormal position is displayed more clearly, and the troubleshooting speed and efficiency are improved by the staff conveniently.
In one embodiment, the alarm device comprises a warning lamp, and the warning lamp is turned on to alarm when the diagnosis device judges that most of the current data are abnormal.
In one embodiment, the diagnostic apparatus includes a setting module and a comparison apparatus, the setting module is configured to set a current normal value range of each node of the primary device circuit and the secondary circuit, and the comparison apparatus is configured to compare the current data with the current normal value range.
In one embodiment, the diagnostic device includes more than one central processor.
In one embodiment, a plurality of the central processors are physically independent of each other.
In one embodiment, the information acquisition device comprises an acquisition unit and an analog-to-digital conversion unit, the acquisition unit is connected to the primary equipment circuit and the secondary circuit, and the analog-to-digital conversion unit is electrically connected with the central processing unit and converts current signals acquired by the acquisition unit into digital signals to be input into the central processing unit.
In one embodiment, a substation intelligent secondary interface fault elimination method is provided, and includes:
collecting current data of each node of a primary equipment circuit and a secondary circuit;
diagnosing whether the current data is abnormal;
and when the current data is abnormal, alarming and displaying the abnormal position.
Through the technical scheme, the primary equipment circuit and the secondary circuit can be monitored in real time, the current data are reported to the police when being abnormal, and workers are reminded to conduct troubleshooting, the workers can conduct troubleshooting quickly according to displayed abnormal positions, troubleshooting speed and efficiency are improved, meanwhile, a certain preventive effect can be achieved, troubleshooting is conducted in an abnormal stage, and faults are prevented from being discovered after more obvious characterization.
In one embodiment, the alarming when the current data is abnormal comprises:
displaying the node where the current data is abnormal based on a display.
Through the technical scheme, the abnormal position is displayed more clearly, and the troubleshooting speed and efficiency are improved by the staff conveniently.
In one embodiment, the alarming when the current data is abnormal comprises:
alarm is given out based on the lighting of the warning lamp.
Drawings
Fig. 1 is a schematic structural diagram illustrating a substation intelligent secondary interface troubleshooting device according to an embodiment of the present application;
fig. 2 is a flowchart illustrating a substation intelligent secondary interface troubleshooting method according to an embodiment of the present application.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on methods or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, an embodiment of the present application provides a substation intelligent secondary interface troubleshooting device, including: information acquisition device 11, diagnostic device 12 and alarm device 13.
The information acquisition device 11 is used for acquiring current data of each node of the primary equipment circuit and the secondary circuit. The information acquisition device 11 includes an acquisition unit 111 and an analog-to-digital conversion unit 112, and the acquisition unit 111 is connected to the primary device circuit and the secondary circuit to acquire current signals of each node of the primary device circuit and the secondary circuit. The analog-to-digital conversion mainly samples analog signals, then carries out quantization coding to obtain binary digital signals, and the analog-to-digital conversion unit 112 is electrically connected with the acquisition unit 111 and converts current signals into current data in a digital signal state. In an alternative embodiment, the analog-to-digital conversion unit 112 may be a photo coupler.
The diagnosis device 12 is electrically connected with the information acquisition device 11 and judges whether the current data are abnormal or not after receiving the current data, the diagnosis device 12 comprises a setting module and a comparison device, the setting module is internally preset with current normal value ranges of each node of the primary equipment circuit and the secondary circuit, the comparison device is used for comparing the current data with the current normal value ranges, and when the acquired current data of the corresponding node exceed the current normal value ranges, the abnormal condition exists in the circuit. In other optional embodiments, the setting module includes more than one central processing unit, and may be two central processing units, where the two central processing units are physically independent, that is, the two central processing units are respectively configured with hardware configurations such as a cache, and the two central processing units are compatible with each other.
The alarm device 13 is electrically connected with the diagnosis device 12, and when the diagnosis device 12 judges that the current data is abnormal, the alarm device 13 gives an alarm and displays the abnormal position.
Primary equipment circuit and secondary circuit can be by diagnostic device 12 real-time control to warning when current data is unusual and reminding the staff to investigate, the staff can be according to the quick troubleshooting that carries out of abnormal position that shows, improve troubleshooting speed and efficiency, can play certain prevention effect simultaneously, just investigate at the abnormal stage, just can discover the trouble after avoiding the trouble to cause more obvious sign.
In an optional embodiment, the alarm device 13 includes a display, in which a circuit diagram of the primary device circuit and the secondary circuit is displayed, and when the diagnosis device 12 determines that the current data is abnormal, an abnormal node is identified, which helps a worker to quickly find a fault location, and improves the speed and efficiency of troubleshooting.
In another alternative embodiment, the alarm device 13 includes a warning light, and when the diagnostic device 12 determines that the current data is abnormal, the warning light is turned on to alarm, so as to remind the operator that the primary equipment circuit and the secondary circuit are abnormal.
As shown in fig. 2, in other optional embodiments, the present application further provides a substation intelligent secondary interface troubleshooting method, including:
step S1: and collecting current data of each node of the primary equipment circuit and the secondary circuit.
Specifically, based on the current data acquired by the information acquisition device 11, the information acquisition device 11 includes an acquisition unit 111 and an analog-to-digital conversion unit 112, and the acquisition unit 111 is connected to the primary device circuit and the secondary circuit to acquire current signals of each node of the primary device circuit and the secondary circuit. The analog-to-digital conversion mainly samples analog signals, then carries out quantization coding to obtain binary digital signals, and the analog-to-digital conversion unit 112 is electrically connected with the acquisition unit 111 and converts current signals into current data in a digital signal state.
Step S2: diagnosing whether the current data is abnormal.
Specifically, whether the current data is abnormal is judged based on the diagnosis device 12, the diagnosis device 12 is electrically connected with the information acquisition device 11, the diagnosis device 12 comprises a central processing unit, a logic circuit corresponding to a primary equipment circuit and a secondary circuit is preset in the central processing unit, the central processing unit calculates the current normal value range of each node according to the preset logic circuit, and when the acquired current data of the corresponding node exceeds the current normal value range, the abnormal condition exists in the circuit.
Step S3: and when the current data is abnormal, alarming and displaying the abnormal position.
Specifically, the alarm device 13 includes a display, in which a circuit diagram of the primary device circuit and the secondary circuit is displayed, and when the diagnostic device 12 determines that the current data is abnormal, an abnormal node is identified, and the alarm device 13 further includes a warning lamp, and when the diagnostic device 12 determines that the current data is abnormal, the warning lamp is turned on to alarm, so as to remind a worker that the primary device circuit and the secondary circuit are abnormal.
In summary, the primary device circuit and the secondary circuit are monitored by the diagnostic device 12 in real time, and the alarm device 13 is used for alarming and reminding the staff to perform troubleshooting when the current data is abnormal, so that the staff can perform quick troubleshooting according to the displayed abnormal node, and the troubleshooting speed and efficiency are improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a transformer substation's intelligence secondary interface troubleshooting device which characterized in that includes:
the information acquisition device is used for acquiring current data of each node of the primary equipment circuit and the secondary circuit;
the diagnosis device is electrically connected with the information acquisition device and is used for judging whether the current data is abnormal or not after receiving the current data;
and the alarm device is electrically connected with the diagnosis device, and when the diagnosis device judges that the current data is abnormal, the alarm device gives an alarm and displays an abnormal position.
2. The substation intelligent secondary interface troubleshooting device of claim 1 wherein the alarm device comprises a display that displays the node location of the current data anomaly.
3. The substation intelligent secondary interface troubleshooting device of claim 1 wherein the alarm device comprises a warning light that lights up to alarm when the diagnostic device determines that most of the current data is abnormal.
4. The substation intelligent secondary interface troubleshooting device of claim 1 wherein the diagnostic device includes a setting module for setting current normal value ranges for each node of a primary device circuit and a secondary circuit and a comparison device for comparing the current data to the current normal value ranges.
5. The substation intelligent secondary interface troubleshooting device of claim 4 wherein the configuration module includes one or more central processors.
6. The substation intelligent secondary interface troubleshooting device of claim 5 wherein a plurality of said central processors are physically independent of each other.
7. The substation intelligent secondary interface fault removal device of claim 1, wherein the information acquisition device comprises an acquisition unit and an analog-to-digital conversion unit, the acquisition unit is connected to the primary equipment circuit and the secondary circuit, the analog-to-digital conversion unit is electrically connected with the central processing unit, and converts the current signals acquired by the acquisition unit into digital signals to be input to the central processing unit.
8. A transformer substation intelligent secondary interface fault elimination method is characterized by comprising the following steps:
collecting current data of each node of a primary equipment circuit and a secondary circuit;
diagnosing whether the current data is abnormal;
and when the current data is abnormal, alarming and displaying the abnormal position.
9. The substation intelligent secondary interface method of claim 8, wherein alerting when the current data is abnormal comprises:
displaying the node where the current data is abnormal based on a display.
10. The substation intelligent secondary interface method of claim 8, wherein alerting when the current data is abnormal comprises:
alarm is given out based on the lighting of the warning lamp.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911318143.6A CN111044820A (en) | 2019-12-19 | 2019-12-19 | Transformer substation intelligent secondary interface fault removing device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911318143.6A CN111044820A (en) | 2019-12-19 | 2019-12-19 | Transformer substation intelligent secondary interface fault removing device and method |
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| CN111044820A true CN111044820A (en) | 2020-04-21 |
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Citations (8)
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| US4360849A (en) * | 1981-03-04 | 1982-11-23 | Rte-Asea Corporation | Power distribution system |
| JP2003189427A (en) * | 2001-12-12 | 2003-07-04 | Hitachi Ltd | Switchgear and power receiving and transforming facility using the same |
| CN102749549A (en) * | 2012-06-21 | 2012-10-24 | 云南电力试验研究院（集团）有限公司电力研究院 | Intelligent checking system for substation alternating current voltage secondary circuit |
| CN102938584A (en) * | 2012-11-26 | 2013-02-20 | 冀北电力有限公司张家口供电公司 | Measurement and control integrated switch device and control method |
| CN103544359A (en) * | 2013-10-31 | 2014-01-29 | 中国南方电网有限责任公司超高压输电公司南宁局 | Secondary loop simulation method for substation simulation training system |
| CN105301437A (en) * | 2015-09-18 | 2016-02-03 | 江苏省电力公司常州供电公司 | GPS synchronous time service-based substation transformer secondary polarity detection method |
| CN105807162A (en) * | 2016-03-25 | 2016-07-27 | 神华集团有限责任公司 | Action monitoring circuit for secondary circuits in electrical system and terminal strip |
| CN106814278A (en) * | 2017-02-21 | 2017-06-09 | 云南电网有限责任公司 | Plant stand take out can it is high anti-once and secondary current loop Site Detection and determination methods |
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2019
- 2019-12-19 CN CN201911318143.6A patent/CN111044820A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4360849A (en) * | 1981-03-04 | 1982-11-23 | Rte-Asea Corporation | Power distribution system |
| JP2003189427A (en) * | 2001-12-12 | 2003-07-04 | Hitachi Ltd | Switchgear and power receiving and transforming facility using the same |
| CN102749549A (en) * | 2012-06-21 | 2012-10-24 | 云南电力试验研究院（集团）有限公司电力研究院 | Intelligent checking system for substation alternating current voltage secondary circuit |
| CN102938584A (en) * | 2012-11-26 | 2013-02-20 | 冀北电力有限公司张家口供电公司 | Measurement and control integrated switch device and control method |
| CN103544359A (en) * | 2013-10-31 | 2014-01-29 | 中国南方电网有限责任公司超高压输电公司南宁局 | Secondary loop simulation method for substation simulation training system |
| CN105301437A (en) * | 2015-09-18 | 2016-02-03 | 江苏省电力公司常州供电公司 | GPS synchronous time service-based substation transformer secondary polarity detection method |
| CN105807162A (en) * | 2016-03-25 | 2016-07-27 | 神华集团有限责任公司 | Action monitoring circuit for secondary circuits in electrical system and terminal strip |
| CN106814278A (en) * | 2017-02-21 | 2017-06-09 | 云南电网有限责任公司 | Plant stand take out can it is high anti-once and secondary current loop Site Detection and determination methods |
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Application publication date: 20200421 |
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