Abstract:

A diesel generator detecting and automation system based on PIC24F is designed to overcome the defects such as special function,low integration,low precision and response.The experiments show that the design enhances the reliability and accuracy and inhibits the common interference,high-band interference,impact noise owing to its use of the differential amplifier with the low pass filter as a pre-sample circuit and the compensation algorithm.Compared with the dual supply source circuit with external AD convert,the circuit using a single supply source has lower cost and less external components,and smaller size.

Key words: generator set;measuring circuit;three-phase voltage