Dry-type transformers are the main power distribution equipment in the power system, the biggest feature is the core and the winding is not immersed in the insulating oil. Dry-type transformers are widely used, mainly for local lighting, high-rise buildings, airports, terminals CNC machinery and equipment and other places. In the long-term use of the process, we must pay attention to the protection of dry-type transformers.
Point 1: prevent the transformer overload operation
If the long-term overload operation, will cause the coil heat, so that insulation is aging gradually, then occur short circuit and oil decomposition.
Point 2:prevent damage to the transformer core insulation.
Core insulation aging or clamping bolt casing damage, will make a large core eddy current, long-term heat cause iron core aging.
Point 3: prevent accidental damage to insulation.
Transformer repair hanging core, should pay attention to protecting the coil or insulation casing, if found broken or damage, timely treatment.
