Sleeve type transformer oil heating device and method based on electromagnetic induction heating principle

The invention discloses a sleeve type transformer oil heating device and method based on an electromagnetic induction heating principle. A sleeve type electromagnetic induction heating device is used,so the electromagnetic induction heating performance in the circulation process of the transformer oil is improved, the temperature uniformity in the heating process is good, the heat transfer performance of the transformer oil in the heating device is enhanced, the maximum electromagnetic induction heating power is improved under the condition of avoiding deterioration of the transformer oil, the time cost of cyclic heating of the transformer oil is saved, and the temperature uniformity of heating of the transformer oil is improved. 本发明公开了一种基于电磁感应加热原理的套管式变压器油加热装置及方法，通过使用套管式的电磁感应加热装置，使变压器油循环过程中的电磁感应加热性能提高，加热过程中温度均匀性好，强化加热装置内的变压器油的传热性能，在避免变压器油变质的情况下提高最大电磁感应加热功率，节约变压器油循环加热的时间成本，改善变压器油加热的温度均匀性。