Abstract
As the heart of the sea booster station, the transformer has an extremely important position. When the transformer has various faults, it is very easy to cause a fire accident, so the safe operation of the transformer is very important. First, use the fault tree analysis method to construct a transformer fire fault tree evaluation model for different types of fire fault events during the operation of the transformer, then through the calculation of the fire failure probability, the number of measuring points of the composite fire detector is obtained and the measuring points are reasonably arranged to detect the operation status of the transformer in real time. Therefore, it is of great significance to ensure the safe and reliable operation of offshore booster station by improving the accuracy of transformer fire warning.
Highlights
Sea booster stations are generally far away from the land, and most of them are designed in accordance with the "unattended" operation mode
In order to avoid losses and false alarms, the fault tree model is used to analyze the cause of fire caused by transformer failure, and the installation layout of the composite fire detector's measuring points is optimized to improve the accuracy of fire warning
Aiming at the hazard of the main transformer fire failure in the sea booster station, this article first analyzes the cause of the transformer fire failure
Summary
Sea booster stations are generally far away from the land, and most of them are designed in accordance with the "unattended" operation mode. The above-mentioned documents mainly focus on the study of the fire fault of a single part of the transformer, The above-mentioned documents mainly focus on the study of the fire fault of a single part of the transformer, did not fully consider its fire failure. For this reason, this article first established a transformer fire fault tree model based on the need for transformer fire fault diagnosis in the sea booster station. According to the fire fault tree model, the probability of fire faults in various parts of the transformer is calculated and the composite fire detectors are installed reasonably. The effectiveness of the proposed transformer fire fault tree model is verified through the analysis of calculation examples
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