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Woodward 8271-652
Product Full Name: Woodward 8271-652 ProAct Series Electro-Hydraulic Actuator Control Drive Board
Product Introduction: Original ProAct series electro-hydraulic actuator dedicated control drive board from Woodward. It receives governor control signals, outputs high-power electro-hydraulic drive current, drives turbine fuel/steam valve actuators, and integrates LVDT position feedback closed-loop control logic.
Detailed content
Technical Specifications:
- Operating Power Supply: DC 24V
- Control Signal Input: 4–20mA analog valve opening command
- Feedback Interface: Built-in LVDT linear position signal interface
- Drive Output: Electro-hydraulic proportional drive current
- Operating Temperature: -10°C to +65°C
- Anti-vibration Grade: High strength anti-vibration design for rotating machinery
Functional Features:
- Full closed-loop valve position precise control with LVDT feedback
- Ultra-fast dynamic response to speed fluctuation commands
- Automatic valve position correction under load impact conditions
- Strong anti-electromagnetic interference industrial circuit design
- Complete actuator fault self-detection and abnormal alarm functions
- Full compatibility with Woodward 505/2301E governor systems
Application Scenarios:
- Thermal power plant steam turbine electro-hydraulic control systems
- Gas turbine fuel supply valve actuator control
- Industrial turbocompressor valve speed control equipment
- Waste heat power generation turbine actuator control
- Petrochemical industry turbine drive valve control systems
