General Information
The Woodward 9905-792 is a high-performance process control unit specifically designed for use in industrial automation and turbine control systems. Developed by Woodward, a global leader in energy control and optimization solutions, the 9905-792 is part of the company's renowned 505 Digital Governor line. It is widely used for controlling steam turbines, gas turbines, and various prime mover applications.
Specifications
| Model: | 9905-792 |
| Manufacturer: | Woodward |
| Product Type: | Process Control Unit / Digital Governor |
| Input Voltage: | 24 VDC (18–32 VDC) |
| Power Consumption: | Less than 40 watts |
| Operating Temperature: | –25 °C to +70 °C (–13 °F to +158 °F) |
| Storage Temperature: | –40 °C to +85 °C |
| Humidity: | 5% to 95% non-condensing |
Functional Characteristics
- Digital Speed Control:
Accurately regulates prime mover speed using digital algorithms, reducing droop and hunting under load fluctuations.
- Load Sharing and Droop Control:
Supports parallel generator operations with configurable load sharing and droop modes.
- Startup and Shutdown Sequencing:
Manages all steps of the turbine startup/shutdown process, including pre-lube, firing, ramping, and cooldown.
- PID Control Loops:
Incorporates built-in PID loops for closed-loop control of speed, pressure, temperature, or other process variables.
- Redundancy and Fail-Safe Operation:
Optionally supports dual sensors and redundant paths for mission-critical installations.
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