CN214310334U - Transformer oil multi-dimensional data acquisition on-line monitoring diagnostic system - Google Patents
Transformer oil multi-dimensional data acquisition on-line monitoring diagnostic system Download PDFInfo
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- CN214310334U CN214310334U CN202120322574.6U CN202120322574U CN214310334U CN 214310334 U CN214310334 U CN 214310334U CN 202120322574 U CN202120322574 U CN 202120322574U CN 214310334 U CN214310334 U CN 214310334U
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Abstract
The utility model discloses a transformer oil multi-dimensional data acquisition on-line monitoring diagnostic system, which comprises an oil-gas separator, an oil chromatography gas sensor, a detection system and a data processor; the inlet of the oil-gas separator is communicated with the oil outlet of the transformer, the oil chromatography gas sensor is positioned in the oil-gas separator, the detection systems are positioned in the transformer, each detection system comprises a transformer oil temperature sensor, an ultrahigh frequency partial discharge sensor, an ultrasonic sensor and a micro-water sensor, the oil chromatography gas sensor, the transformer oil temperature sensor, the ultrahigh frequency partial discharge sensor, the ultrasonic sensor and the micro-water sensor are connected with the data processor, and the system can realize multi-dimensional data acquisition and abnormal fault type judgment on the transformer oil.
Description
Technical Field
The utility model belongs to transformer on-line monitoring equipment field relates to a transformer oil multidimension degree data acquisition on-line monitoring diagnostic system.
Background
The transformer is an electric energy conversion device in systems such as power plants, power transmission and transformation networks, substations, new energy power stations and the like, is important electrical equipment, and directly influences the safety of the power networks when the state of the transformer is good or bad. Because the insulation of the transformer has defects in the aspects of design, manufacture, installation, maintenance and the like, and the transformer oil is a key important component of the transformer, the online monitoring and analysis of the oil sample are very important for judging whether the running condition of the transformer is good or not.
At present, the transformer oil sample on-line monitoring device mainly utilizes the chromatogram to the transformer oil to carry out acquisition and detection, and if the total hydrocarbon content and the total concentration of combustible gas exceed the standard, an alarm signal is sent out, but because the means is single, the abnormal fault type of the transformer oil sample can not be accurately judged, so that the transformer can not be pertinently overhauled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a transformer oil multidimension degree data acquisition on-line monitoring diagnostic system, this system can realize carrying out multidimension degree data acquisition and the judgement of unusual fault type to transformer oil.
In order to achieve the above object, the system for online monitoring and diagnosing the multidimensional data acquisition of transformer oil of the present invention comprises an oil-gas separator, an oil-gas chromatography gas sensor, a detection system and a data processor;
the inlet of the oil-gas separator is communicated with the oil outlet of the transformer, the oil chromatography gas sensor is positioned in the oil-gas separator, the detection systems are positioned in the transformer, each detection system comprises a transformer oil temperature sensor, an ultrahigh frequency partial discharge sensor, an ultrasonic sensor and a micro-water sensor, and the oil chromatography gas sensor, the transformer oil temperature sensor, the ultrahigh frequency partial discharge sensor, the ultrasonic sensor and the micro-water sensor are connected with the data processor.
The number of the detection systems is three, wherein the three detection systems are respectively positioned in the upper layer, the middle layer and the lower layer of the transformer.
The oil chromatogram gas sensor is connected with the data processor through the transformer oil chromatogram data acquisition module.
The transformer oil temperature sensor is connected with the data processor through the transformer oil temperature acquisition module.
The ultrahigh frequency partial discharge sensor is connected with the data processor through the ultrahigh frequency partial discharge signal acquisition module.
The ultrasonic sensor is connected with the data processor through the ultrasonic signal acquisition module.
The micro-water sensor is connected with the data processor through the transformer oil micro-water data acquisition module.
The data processor is connected with an external decentralized control system.
The utility model discloses following beneficial effect has:
transformer oil multidimension degree data acquisition on-line monitoring diagnostic system when concrete operation, acquire fault property gas concentration, little water content information, the ultrasonic signal that discharges and produce, the office that discharges and put superfrequency signal and oil temperature to judge transformer oil's fault type and severity with this, realize carrying out multidimension degree data acquisition and unusual fault type's judgement to transformer oil, the accuracy is higher.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The system comprises a data processor 1, a transformer oil multidimensional data acquisition device 2, a transformer oil chromatographic data acquisition module 3, a transformer oil temperature acquisition module 4, an ultrahigh frequency partial discharge signal acquisition module 5, an ultrasonic signal acquisition module 6, a transformer oil micro-water data acquisition module 7, an oil chromatographic gas sensor 8, a transformer oil temperature sensor 9, an ultrahigh frequency partial discharge sensor 10, an ultrasonic sensor 11, a micro-water sensor 12, an oil-gas separator 13, a transformer 14 and a distributed control system 15.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, the transformer oil multidimensional data acquisition online monitoring and diagnosis system of the present invention includes an oil-gas separator 13, an oil-gas chromatography gas sensor 8, a detection system, and a data processor 1; an inlet of the oil-gas separator 13 is communicated with an oil outlet of a transformer 14, the oil chromatography gas sensor 8 is positioned in the oil-gas separator 13, the detection systems are positioned in the transformer 14, each detection system comprises a transformer oil temperature sensor 9, an ultrahigh frequency partial discharge sensor 10, an ultrasonic sensor 11 and a micro-water sensor 12, and the oil chromatography gas sensor 8, the transformer oil temperature sensor 9, the ultrahigh frequency partial discharge sensor 10, the ultrasonic sensor 11 and the micro-water sensor 12 are connected with the data processor 1; the number of the detection systems is three, wherein the three detection systems are respectively located in the upper layer, the middle layer and the lower layer of the transformer 14.
The oil chromatogram gas sensor 8 is connected with the data processor 1 through the transformer oil chromatogram data acquisition module 3; the transformer oil temperature sensor 9 is connected with the data processor 1 through the transformer oil temperature acquisition module 4; the ultrahigh frequency partial discharge sensor 10 is connected with the data processor 1 through the ultrahigh frequency partial discharge signal acquisition module 5; the ultrasonic sensor 11 is connected with the data processor 1 through the ultrasonic signal acquisition module 6; the micro-water sensor 12 is connected with the data processor 1 through the transformer oil micro-water data acquisition module 7; the data processor 1 is connected to an external decentralized control system 15.
The transformer oil multi-dimensional data acquisition device 2 is composed of a transformer oil chromatographic data acquisition module 3, a transformer oil temperature acquisition module, an ultrahigh frequency partial discharge signal acquisition module, an ultrasonic signal acquisition module and a transformer oil micro-water data acquisition module 7.
The transformer oil is subjected to oil-gas separation through an oil-gas separator 13, the oil chromatography gas sensor 8 is used for detecting the concentration of the separated fault characteristic gas, and the detected fault characteristic gas concentration information is sent to the data processor 1 through a transformer oil chromatography data acquisition module 3;
the micro-water sensor 12 detects the micro-water content in the transformer oil, and sends the detected micro-water content information to the data processor 1 through the transformer oil micro-water data acquisition module 7;
the ultrasonic sensor 11 detects ultrasonic signals generated by discharging in the transformer oil, and sends detected ultrasonic signal data to the data processor 1 through the ultrasonic signal acquisition module 6;
the ultrahigh frequency partial discharge sensor 10 detects a partial discharge ultrahigh frequency signal generated by discharge in the transformer oil, and sends the detected partial discharge ultrahigh frequency signal to the data processor 1 through the ultrahigh frequency partial discharge signal acquisition module 5;
the transformer oil temperature sensor 9 monitors the oil temperature of different parts in the transformer 14, and sends the detected oil temperature information to the data processor 1 through the transformer oil temperature acquisition module 4, and the data processor 1 judges and analyzes the fault type and severity of the transformer oil according to the received information and sends the judgment and analysis result to the decentralized control system 15.
According to the requirements in the analysis and judgment guide rule of the dissolved gas in the oil of the DL-T722-2014 transformer, attention values are respectively provided for the content and the growth rate of the dissolved gas in the oil for operating the transformer 14, and the fault type (partial discharge, arc discharge, high-temperature overheating and the like) can be roughly judged according to a three-ratio method, but actual operation and maintenance personnel cannot accurately judge the fault type and determine maintenance means (power failure suspended core treatment, oil filtering, electrification treatment and the like) according to monitoring data.
The utility model discloses can utilize control system at first to carry out the collection analysis and store data, secondly carry out quantitative analysis to the oil chromatogram to refer to three ratio methods and other horizontal and vertical data contrast, confirm the gaseous composition of fault characteristic and growth rate, judge probably the fault type, the supplementary criterion accuracy of data processing results such as reunion office is put, supersound, temperature, little water is judged the fault type.
Claims (8)
1. The transformer oil multi-dimensional data acquisition online monitoring and diagnosis system is characterized by comprising an oil-gas separator (13), an oil chromatography gas sensor (8), a detection system and a data processor (1);
the inlet of the oil-gas separator (13) is communicated with the oil outlet of a transformer (14), the oil chromatography gas sensor (8) is positioned in the oil-gas separator (13), the detection systems are positioned in the transformer (14), each detection system comprises a transformer oil temperature sensor (9), an ultrahigh frequency partial discharge sensor (10), an ultrasonic sensor (11) and a micro-water sensor (12), and the oil chromatography gas sensor (8), the transformer oil temperature sensor (9), the ultrahigh frequency partial discharge sensor (10), the ultrasonic sensor (11) and the micro-water sensor (12) are connected with the data processor (1).
2. The transformer oil multi-dimensional data acquisition on-line monitoring and diagnosis system as claimed in claim 1, wherein the number of the detection systems is three, wherein the three detection systems are respectively located in the upper layer, the middle layer and the lower layer of the transformer (14).
3. The transformer oil multi-dimensional data acquisition online monitoring and diagnosis system according to claim 1, wherein the oil chromatography gas sensor (8) is connected with the data processor (1) through a transformer oil chromatography data acquisition module (3).
4. The transformer oil multi-dimensional data acquisition online monitoring and diagnosis system according to claim 1, wherein the transformer oil temperature sensor (9) is connected with the data processor (1) through a transformer oil temperature acquisition module (4).
5. The transformer oil multidimensional data acquisition online monitoring and diagnosis system according to claim 1, wherein the ultrahigh frequency partial discharge sensor (10) is connected with the data processor (1) through an ultrahigh frequency partial discharge signal acquisition module (5).
6. The transformer oil multi-dimensional data acquisition on-line monitoring and diagnosis system according to claim 1, wherein the ultrasonic sensor (11) is connected with the data processor (1) through an ultrasonic signal acquisition module (6).
7. The transformer oil multi-dimensional data acquisition on-line monitoring and diagnosis system according to claim 1, wherein the micro water sensor (12) is connected with the data processor (1) through a transformer oil micro water data acquisition module (7).
8. The transformer oil multi-dimensional data acquisition online monitoring and diagnosis system according to claim 1, characterized in that the data processor (1) is connected with an external decentralized control system (15).
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| CN202120322574.6U CN214310334U (en) | 2021-02-04 | 2021-02-04 | Transformer oil multi-dimensional data acquisition on-line monitoring diagnostic system |
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| CN202120322574.6U CN214310334U (en) | 2021-02-04 | 2021-02-04 | Transformer oil multi-dimensional data acquisition on-line monitoring diagnostic system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114839495A (en) * | 2022-06-30 | 2022-08-02 | 江苏苏能森源电气有限公司 | Transformer partial discharge abnormity detection method based on artificial intelligence |
| CN116698784A (en) * | 2023-07-17 | 2023-09-05 | 南京电研电力自动化股份有限公司 | Acetylene monitoring device and method |
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2021
- 2021-02-04 CN CN202120322574.6U patent/CN214310334U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114839495A (en) * | 2022-06-30 | 2022-08-02 | 江苏苏能森源电气有限公司 | Transformer partial discharge abnormity detection method based on artificial intelligence |
| CN114839495B (en) * | 2022-06-30 | 2022-09-20 | 江苏苏能森源电气有限公司 | Transformer partial discharge abnormity detection method based on artificial intelligence |
| CN116698784A (en) * | 2023-07-17 | 2023-09-05 | 南京电研电力自动化股份有限公司 | Acetylene monitoring device and method |
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