What is Oil Immersed Electrical Equipment?Transformer Oil Sampling DefinitionTransformer oil sampling is defined as the process of collecting a sample of oil from a transformer or other oil-immersed electrical equipment for analysis.Importance of Oil SamplingRegular oil sampling helps detect potential problems, ensuring the reliability and efficiency of transformers.Sampling FrequencyThe frequency of transformer oil sampling depends on several factors, such as: The type and size of the transform