GE DS3800NOWA Regulator Card

Model: DS3800NOWA

Type: Regulator Card

Brand: GE (General Electric)

Series: Speedtronic Mark IV Turbine Control System

Positioning: Core card for speed/velocity regulation, used for closed-loop speed control of gas turbines and steam turbines, ensuring stability and accuracy during unit startup, grid connection, and load regulation.

Core Functions

Speed Closed-Loop Control: Collects signals from speed sensors (such as tachogenerators and magnetoresistive sensors), compares them with setpoints, and outputs regulation commands through a PID algorithm to drive actuators (such as fuel regulating valves and gas regulating valves) to stabilize the speed at the target value.

System Communication: Exchanges data with the CPU module and I/O module via a dedicated Mark IV backplane bus (such as the GE 6BA08 bus), receives control strategies, and uploads status and fault information.

Protection and Interlocking: Integrates overspeed, stall, and excessive speed fluctuation protection logic. When an anomaly is triggered, it quickly limits the speed or issues a shutdown command to ensure equipment safety.

Status Monitoring: Built-in LED indicators and diagnostic circuits display real-time operating status, channel faults, and adjustment deviations, supporting rapid on-site troubleshooting.

Smooth Adjustment: Optimized dynamic response algorithm achieves seamless transitions during acceleration, deceleration, and load switching, reducing mechanical shocks and steam/gas disturbances.

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