Description

The WOODWARD 5501-470 is a high-performance digital governor controller from Woodward’s 5000 series, engineered for precision speed regulation in mission-critical rotating machinery. Designed for gas turbines, diesel engines, and steam turbine applications, this advanced controller delivers ±0.05% speed stability under dynamic load conditions. The 5501-470 integrates dual-channel processing with cross-comparison diagnostics, ensuring fault-tolerant operation for power generation and mechanical drive systems. Its ruggedized design meets MIL-STD-810G specifications, operating flawlessly in temperatures from -40°C to +85°C while withstanding 7g vibration and 100V/m EMI interference. Featuring CANopen/J1939 interfaces and Modbus TCP connectivity, the WOODWARD 5501-470 enables seamless integration with plant DCS systems while providing SIL 2-certified safety functions for critical overspeed protection. With adaptive PID algorithms and predictive maintenance capabilities, this controller optimizes fuel efficiency and reduces emissions in continuous operation environments where reliability directly impacts operational economics.

WOODWARD 5501-470

Technical Specifications

Main Features and Advantages

Adaptive Control Intelligence: Patented “Load Share Pro” technology maintains precise speed synchronization (±0.02% droop) during grid transients. Auto-tuning algorithms continuously optimize PID parameters for changing fuel compositions and ambient conditions.

Fault-Tolerant Architecture: Dual-processor design with 10ms cross-validation detects sensor failures and automatically switches to redundant inputs. Hardware-enforced overspeed protection triggers independent of software.

Advanced Connectivity: Dual-redundant CAN buses support peer-to-peer load sharing across multiple units. Integrated web server provides real-time performance analytics and configuration via standard browsers.

Extreme Environment Resilience: Hermetically sealed aluminum housing with conformal-coated electronics withstands salt fog (ASTM B117) and 100% humidity. The 5501-470 features surge protection up to 1kV on all I/O lines.

Application Field

The 5501-470 governs critical energy infrastructure: In combined-cycle power plants, it controls gas turbine startups with <2s>

Marine applications include main propulsion control with NMEA 2000 integration for dynamic positioning systems. Pipeline compression stations leverage its Modbus TCP connectivity for remote turbine performance monitoring across SCADA networks. For cogeneration, the WOODWARD 5501-470 enables black-start capability and seamless transition between island/grid modes in hospital power systems.

WOODWARD 5501-470

Related Products

9907-1641: High-torque actuator for 5501-470 servo outputs

8276-1050: Redundant magnetic speed sensor kit

UG-10D: Handheld programmer for field configuration

L-Series TMR: Triple modular redundant upgrade

PROACT IV: Predictive analytics software

8440-1810: J1939-to-Ethernet gateway

TK-8512: Calibration test kit

5442-258: Mechanical backup governor