Product Description

The WOODWARD 9907-167 is a professional 505E series microprocessor-based digital turbine governor controller, specially developed for single-valve steam turbines and small turbo-generator units. It serves as the core speed, load and pressure control unit, precisely regulating turbine valve opening to stabilize unit operating parameters and ensure safe and efficient unit operation.

Adopting 32-bit high-precision processing chip and industrial ruggedized design, this controller achieves ±0.25% ultra-high speed control accuracy. It integrates rich programmable I/O ports and multiple industrial communication protocols, supporting on-site panel operation and remote system linkage. With ultra-wide temperature adaptability and comprehensive fault protection logic, it provides long-term stable and reliable control guarantee for industrial turbine equipment.

Main Specifications

1. Full Model: 9907-167; Product Type: 505E series industrial steam turbine digital governor controller
2. Applicable Equipment: Single-valve steam turbine, single extraction/admission turbine and small turbo generator units
3. Core Function: Turbine speed regulation, load control, pressure adjustment, unit synchronization and fault protection
4. Control Accuracy: Ultra-high precision speed control with accuracy up to ±0.25% for stable unit operation
5. Processing Core: Built-in 32-bit industrial microprocessor for fast algorithm operation and low-delay response
6. I/O Configuration: Equipped with multi-channel programmable I/O, dual actuator outputs and relay signal outputs
7. Communication Protocol: Supports Modbus, CANbus, RS232/RS485 and Ethernet multi-protocol docking
8. Power Supply: Standard 24VDC industrial wide-range power supply with anti-surge protection function
9. Environmental Performance: -40°C to +85°C ultra-wide temperature range, IP67 protection and shock-resistant structure
10. Certification Standard: Complies with CE, UL and cUL industrial certification for 24/7 continuous operation

Core Functions

1. Acts as the dedicated core governor control unit for industrial steam turbine generator units.
2. Realizes high-precision real-time speed regulation to prevent turbine overspeed and runaway faults.
3. Accurately controls unit load output and maintains stable power generation parameter operation.
4. Supports extraction and admission pressure regulation for multi-condition turbine operation.
5. Implements automatic grid synchronization and parallel operation control for generator units.
6. Integrates overspeed, overload and overpressure multi-dimensional safety protection logic.
7. Provides local panel manual operation and remote upper computer intelligent control modes.
8. Stores unit operating data and fault logs to support post-fault analysis and maintenance.
9. Supports program uploading, downloading and flexible parameter configuration debugging.
10. Guarantees safe, stable and high-efficiency full-cycle operation of turbine equipment.

Application Scenarios

1. Thermal power plant small and medium-sized steam turbine unit speed regulation control systems
2. Industrial enterprise self-provided power generation turbine intelligent governance scenarios
3. Single extraction and admission steam turbine process parameter regulation projects
4. Petrochemical industry waste heat power generation turbine control platforms
5. Metallurgical and chemical factory auxiliary power generation unit automatic control systems
6. Marine power equipment turbine generator stable operation control scenarios
7. Old WOODWARD 2301A and EGCP-2 control system upgrading and replacement
8. Industrial energy-saving transformation turbine precision governance and optimization projects
9. Power generation equipment fault early warning and safety protection monitoring systems
10. Harsh high-temperature and electromagnetic environment turbine control application scenarios