The principle and implementation of a new cooling control device for forced oil-circulated air-cooled transformer based on the chip microcomputer AT89C51 and Solid State Relay(SSR) is presented.

• 提出了一种以AT89C51单片机和固态继电器SSR为主要控制器件的强油循环风冷变压器冷却系统自动控制装置的原理和实现方法。