What is the function of transformer sleeve? What are the requirements?

Transformer sleeve is one of the current-carrying components of transformer. During the operation of transformer, it passes through the load current for a long time, and when the short circuit occurs outside the transformer, it passes through. Short circuit current.
Therefore, there are the following requirements for transformer sleeve:
(1) It must have specified electrical strength and sufficient mechanical strength.
(2) It must have good thermal stability and be able to withstand instantaneous overheating in short circuit.
(3) Small shape, small quality, good sealing performance, strong versatility and easy maintenance.

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