Online transformer oil chromatography monitoring system based on vacuum stirrer

A technology of vacuum agitator and transformer oil, applied in instruments, measuring devices, scientific instruments, etc., to achieve the effect of high degassing efficiency, ensuring safety and ensuring accuracy

Inactive Publication Date: 2015-09-09
云南电网有限责任公司文山供电局
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  • Online transformer oil chromatography monitoring system based on vacuum stirrer
  • Online transformer oil chromatography monitoring system based on vacuum stirrer
  • Online transformer oil chromatography monitoring system based on vacuum stirrer

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[0022] The technical solution of this patent will be described in further detail below in conjunction with specific embodiments.

[0023] See Figure 1-3 , A transformer oil chromatography online monitoring system based on a vacuum stirrer, including a data collector 2 and a main control computer data processing and fault diagnosis system 9; the data collector 2 includes an oil-gas separator 3, a chromatographic column 5, and a gas sensor The sensor 6 and CPU 7, the sampling end of the oil and gas separator 3 is connected to the transformer 1. The oil and gas separator 3 collects the transformer oil in the transformer 1, and separates the oil and gas to obtain the mixed gas. The output end of the oil and gas separator 3 passes through the cold trap 4 is connected to the chromatographic column 5, the oil vapor in the mixed gas is removed by the cold trap 4 to obtain the mixed characteristic gas. The mixed characteristic gas passes through the chromatographic column under the actio...

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Abstract

The invention discloses an online transformer oil chromatography monitoring system based on a vacuum stirrer. The system comprises a data acquisition unit and a master control computer data processing and fault diagnosis system, wherein the data acquisition unit comprises an oil-gas separator, a chromatographic column, a gas sensor and a CPU (central processing unit), wherein a sampling end of the oil-gas separator is connected with a transformer, an output end of the oil-gas separator is connected to the chromatographic column through a cold trap, an output end of the chromatographic column is connected to the gas sensor, and an output end of the gas sensor is connected to the CPU; the data acquisition unit is connected to the master control computer data processing and fault diagnosis system through a communication network; a vacuum mixing and vibrating degassing device is arranged in the oil-gas separator; a carrier gas generating module is arranged in the data acquisition unit. According to the online transformer oil chromatography monitoring system, a conventional carrier-gas cylinder is replaced with the carrier gas generating module, stable carrier gas is provided for the monitoring system, the data accuracy of the monitoring system is guaranteed, frequent replacement of the carrier-gas cylinder is avoided, and the use is very convenient.

Description

technical field [0001] The invention relates to the technical field of voltage transformer fault monitoring, in particular to an online transformer oil chromatography monitoring system based on a vacuum agitator. Background technique [0002] my country's power industry is developing towards a large-scale, large-capacity, high-voltage power grid, which puts forward higher requirements for power safety and economic operation. Power high-voltage equipment is the key to the stable and reliable operation of the power grid. It is of great significance to ensure the normal production of the society and the normal operation of enterprises. . High-voltage, large-capacity power transformers are the most critical equipment in power transmission and transformation systems. In actual operation, they will be affected by various factors such as electricity, heat, machinery, and the environment. The insulation performance may deteriorate, the safety performance will decline, and even Leadi...

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Application Information

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IPC IPC(8): G01N30/02
Inventor 冯跃刘懿缪祥琎田野徐松尹程臣杨莉朱荣华肖克伟季兴福杨媛
Owner 云南电网有限责任公司文山供电局
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