Countered problems in the forced-aircooling system of power transformer, the energy-saving device composed by converter is designed.
针对电力变压器风冷系统存在的问题，设计了由变频器构成的节能装置。
2
By contrast of the new forced-air cooler in transformers to the old one, the design and effect of improvement of the old forced-aircooling system are discussed.
通过变压器新旧风冷却器性能的对比，对老式风冷却系统改造的设计方案、改造效果进行了探讨。
3
With the advantages of convenience of design, ease of application and low cost, forcedair-cooling with heat sinks and fans are now the most widely used cooling technology for electronic devices.