Transformer oil level thermometer intelligent on-line verification analysis system
A technology for analysis systems and transformers, applied in the field of online calibration and analysis systems, can solve problems such as increased operation and maintenance workload, power transformer outages, and manpower consumption, and achieve the effect of improving maintenance coordination efficiency and ensuring safe and stable operation
Inactive Publication Date: 2017-09-29
STATE GRID FUJIAN ELECTRIC POWER CO LTD +2
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[0024] see Figure 1 to Figure 2 As shown, a transformer oil level thermometer intelligent online calibration analysis system of the present invention, the transformer is provided with an oil level thermometer, the oil level thermometer includes a dial and a temperature sensor 11, the temperature sensor 11 is immersed in the transformer In the transformer oil 5; the online calibration system includes a data cloud platform 2 and several intelligent calibration terminals 1 that match the transformers in the power network; the intelligent calibration terminal 1 includes a calibration sensor 12, a control module 13 and a communication module 14; the calibration sensor 12 is immersed in the transformer oil storage tank 5, and the calibration accuracy of the calibration sensor 12 is higher than that of the temperature sensor 11 to calibrate the accuracy of the temperature sensor 11; the real-time obtained by the temperature sensor 11 The measurement signal and the standard measureme...
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The present invention discloses a transformer oil level thermometer intelligent on-line verification analysis system. A transformer is provided with an oil level thermometer, the oil level thermometer comprises a dial plate and a temperature sensor, and the temperature sensor is immersed in the transformer oil of the transformer; the transformer oil level thermometer intelligent on-line verification analysis system comprises a data cloud platform and intelligent verification terminals arranged in a plurality of transformer oil tanks of an electric power network; each intelligent verification terminal comprises a calibration sensor, a control module and a communication module; the calibration sensors are immersed in the transformer oil tanks; and the real-time measurement signals obtained by the temperature sensor and the standard measurement signals obtained by the calibration sensor are uploaded to the data cloud platform through the communication module. The transformer oil level thermometer intelligent on-line verification analysis system is suitable for intelligent verification analysis of a transformer oil level thermometer intelligent on-line verification analysis to realize accuracy verification of the transformer oil level thermometer in the condition without power failure and have an important meaning for ensuring safe and stable operation of the power grid.
Description
technical field [0001] The invention relates to an online calibration system, in particular to an online calibration analysis system suitable for intelligent calibration and analysis of transformer oil surface thermometers. Background technique [0002] The power transformer is an important electrical equipment in the power system, and its operation status affects the overall safety and reliability of the power system. Transformer insulation aging due to over-temperature operation of windings accounts for a large proportion of transformer failures in power systems. Therefore, the measurement of transformer oil temperature is extremely important for preventing transformer failures. At present, the measurement of power transformer oil temperature mainly depends on the transformer thermometer and its supporting related devices. In the long-term operation and use process, the accuracy of the thermometer will decrease with the use time, resulting in errors or even errors in the ...
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IPC IPC(8): G01K15/00
CPCG01K15/005
Inventor 程祝媛黄良平申荣荣林继勇黄鹏罗珊郑玉珍吴文珠林燕桢黄东阳
Owner STATE GRID FUJIAN ELECTRIC POWER CO LTD