Oil-immersed power transformer detection system

Abstract

According to the oil-immersed power transformer detection system provided by the invention, the vibration test cavity is constructed to simulate the oil-immersed power transformer, and vibration interference is applied to the winding through the vibration generation device, so that the winding assembly vibrates along with the vibration of the transmission part; the vibration of the winding assembly causes the periodic change of the pressure in the transformer oil, so that the simulation of the operation process of the oil-immersed power transformer is realized, and the detection of the internal characteristic gas components of the transformer oil is carried out through the oil chromatography detector and the vibration signal measurement assembly arranged on the transmission part. The change of the characteristic gas components in the oil caused by vibration can be detected, so that the situation that the characteristic gas components in the transformer oil are changed due to the fact that the transformer oil is decomposed due to an electric effect or a heat effect and the like in the vibration process of the transformer oil, therefore, the insulation state of the oil-immersed power transformer is misjudged, and normal operation of the transformer is affected is avoided.

Description

technical field [0001] The invention relates to the field of electric power technology, in particular to an oil-immersed power transformer detection system. Background technique [0002] Since the primary electrical equipment plays a vital role in the stability of the power system, as the requirements for the reliability of power supply increase, the requirements for the safe and reliable operation of the primary electrical equipment also increase. The large oil-immersed power transformer is one of the most important primary electrical equipment in the power grid, and it is also one of the most important and expensive key equipment in the power system equipment. The oil-immersed power transformer is the key equipment in the power system. If it runs for a long time, insulation failure will occur in the weak link of its insulation, resulting in damage to the equipment and abnormal operation of the power grid. Therefore, it is of great significance to study the insulation fail...

AI Technical Summary

Problems solved by technology

The analysis of dissolved gas in oil is an important basis for evaluating the insulation state of transformers and analyzing transformer insulation faults. The change of characteristic gas components due to vibration will lead to wrong judgments on the insulation state of oil-immersed power transformers and affect the normal operation of transformers.

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