Product Description
The Woodward 9907-165 is a high-performance microprocessor-based digital governor, belonging to the Woodward 505E series. It is engineered for precise control of single-extraction, admission, or extraction/admission steam turbines, turbo-generators, and turboexpanders across power generation, chemical, petrochemical, and oil & gas industries. This controller delivers dual speed/load dynamics control, ensuring stable operation, bumpless mode transfers, and optimal performance under variable load conditions.
Key Features
Microprocessor Control: 32-bit processor for high-precision speed, load, and pressure regulation
Dual Control Capability: Manages both turbine speed and extraction/admission pressure simultaneously
User-Friendly Interface: 2-line LED display (24 characters per line) with 30-key keypad for field configuration
Flexible I/O Configuration: Versatile input/output options for comprehensive system integration
Robust Build: Optional NEMA Type 4 enclosure for harsh industrial environments
Communication Support: Dual Modbus ports (RS-232/422/485) for DCS and PLC connectivity
Advanced Protection: Comprehensive turbine protection algorithms for safe operation
Field Programmable: Menu-driven software for on-site parameter adjustment
Technical Specifications
| Parameter | Details |
|---|---|
| Input Voltage | 180–264 Vac, 47–63 Hz |
| Operating Temp | -25°C to +65°C |
| Dimensions | 356 x 279 x 102 mm |
| Weight | < 10 lbs |
| Contact Inputs | 16 total (4 dedicated, 12 programmable) |
| Analog Inputs | 6 x 4-20 mA programmable inputs |
| Actuator Outputs | 2 configurable (20-160 mA or 4-20 mA) |
| Relay Outputs | 8 Form-C (2 dedicated, 6 programmable) |
| Communication | 2 x Modbus ports (ASCII/RTU), 1 x PC port |
Applications
Steam Turbines: Single-extraction, admission, and combined cycle turbines
Power Generation: Turbine-generator sets for utility and cogeneration plants
Mechanical Drives: Compressors, pumps, fans in process industries
Turboexpanders: Energy recovery systems in petrochemical facilities
Industrial Processes: Stable control for paper, steel, and chemical manufacturing
Core Advantages
Precision Control: Advanced PID algorithms ensure accurate speed and pressure regulation
System Flexibility: Adaptable to diverse turbine types without hardware modifications
Reliability: Built to Lloyd’s ENV2 vibration standards for continuous operation
Easy Integration: Seamless connectivity with modern industrial control systems
Simplified Maintenance: User-friendly diagnostics reduce downtime and service costs
Warranty
12 Months against manufacturing defects
Technical Support: Full documentation and configuration assistance
The Woodward 9907-165 is the industry-standard solution for reliable, high-precision control of industrial steam turbines.
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