Generating set primary control precision optimizing apparatus

The utility model discloses a generating set primary control precision optimizing apparatus, it contains PLC control module, industrial computer module, display, frequency acquisition and calculationmodule, frequency acquisition and calculation module adopt the different structure scheme of ARM+FPGA+DSP, through sampling external voltage signal, produce the output of high accuracy frequency and carry out network communication with PLC control module, PLC control module gives DEH control system according to real -time frequency output AO, DO control signal to the rotational speed of control motor, the display passes through the VAG interface and is connected with industrial computer module, industrial computer module and PLC control module pass through the internet access, the utility model discloses a high -speed, the sampling of high accuracy electric wire netting frequency combine PLC control system, convert frequency real -time value into analog quantity and provide the data sourcefor steam turbine rotatio