Control end device of protective circuit detection system of digital transformer station

The utility model discloses a control end device of a protective circuit detection system of a digital transformer station, comprising a CPU, and a power supply module, an optical signal acquisition module, a optical signal output module and a wireless signal transmission module respectively connected therewith, wherein the power supply module is also connected with the optical signal acquisition module. Data synchronization of slave units placed at different places is realized by using wireless synchronization technology, and check of complicated circuits such as a main transformer can be effectively realized.