Technical Specifications 24VDC power supply, analog pressure signal input and valve command output. Operating temperature: -40℃ ~ +70℃.
Functional Features Extraction pressure closed-loop control, pressure-speed decoupling calculation, extraction valve command output, pressure deviation alarm.
Application Scenarios Back pressure and extraction steam turbines, combined heat and power generation units.
Performance Parameters Stable extraction pressure regulation, good decoupling performance between power and steam loops.
Structural Characteristics Pluggable PCB control module, extraction loop status indicator lights.
Working Principle The module collects extraction steam pressure signals, calculates the deviation between actual pressure and setpoint, and adjusts the extraction valve command independently to stabilize steam pressure while the governor controls turbine speed.
Installation Requirements Pressure transmitter signal wiring uses shielded cable, install in the turbine control cabinet.
Usage Notes Adjust pressure PID parameters carefully to avoid oscillation between power and steam control loops.
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