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Woodward 8271-584
Product Full Name: Woodward 8271-584 ProAct Series Electro-Hydraulic Actuator Closed-Loop Control Drive Board
Product Introduction: Original dedicated electro-hydraulic actuator control drive circuit board from Woodward ProAct series. It receives speed governor analog control commands, outputs high-power proportional driving current to turbine fuel/steam valves, integrates LVDT linear position feedback closed-loop control, and realizes precise valve opening adjustment for prime mover speed and load regulation.
Detailed content
Technical Specifications:
- Operating Power Supply: DC 24V industrial direct current
- Control Signal Input: Standard 4–20mA analog valve opening command signal
- Built-in Interface: LVDT linear displacement position feedback sensor interface
- Drive Output Type: Electro-hydraulic proportional constant current drive
- Operating Temperature: -10°C to +65°C
- Anti-vibration Performance: High-strength anti-vibration design for rotating machinery
- Protection Functions: Overcurrent, short-circuit, overvoltage protection
Functional Features:
- Full closed-loop valve position precise control with real-time LVDT feedback
- Millisecond-level fast dynamic response to speed fluctuation commands
- Automatic valve position correction under sudden load impact conditions
- Complete electrical isolation between control circuit and drive circuit
- Strong anti-electromagnetic interference industrial circuit design
- Full compatibility with Woodward 505, 2301A and 2301E governor systems
Application Scenarios:
- Thermal power plant steam turbine electro-hydraulic speed regulation systems
- Gas turbine fuel supply valve actuator control systems
- Industrial turbocompressor unit speed control equipment
- Waste heat power generation turbine electro-hydraulic control auxiliary devices
- Petrochemical industry turbine drive valve control systems
