Product Introduction
The Woodward 9907-163 Digital Governor is a microprocessor-based turbine control system designed to provide precise speed regulation, load control, and operational monitoring for steam turbines and similar rotating equipment. As part of Woodward’s renowned 505 Digital Governor series, this controller integrates advanced digital processing with flexible configuration options to deliver dependable performance in industrial power generation and mechanical drive applications.
Engineered for reliability and ease of operation, the 9907-163 incorporates an integrated LED display, multifunction keypad, and programmable inputs/outputs. These features allow operators to monitor turbine parameters, adjust control settings, and perform diagnostics directly from the control panel. The governor supports single- or dual-actuator configurations for managing turbine inlet steam valves, enabling accurate control of turbine speed and load output.
Technical Specifications
| Parameter | Specification |
|---|
| Model | 9907-163 |
| Manufacturer | Woodward |
| Product Type | Digital Governor |
| Series | 505 Digital Governor |
| Application | Steam turbines, turbo-generators, expanders |
| Power Supply | 88–132 VAC or 90–150 VDC |
| Display | 2-line × 24-character LED display |
| Keypad | 30-key multifunction keypad |
| Inputs | 6 programmable current inputs |
| Discrete Inputs | 16 contact inputs |
| Communication | RS-232C / RS-422 serial ports |
| Software | OpView™ and 505View™ |
| Enclosure | Optional NEMA Type 4X |
| Operating Temperature | −40 °C to +65 °C |
| Dimensions | Approx. 14 × 11 × 4 in (356 × 279 × 102 mm) |
| Weight | Approx. 9 lb 11 oz (≈4.4 kg) |
Industrial Applications
Steam Turbine Speed Control
Provides precise regulation of turbine speed and load by controlling inlet steam valves through actuator outputs.
Power Generation Systems
Used in generator drives and turbine-based power plants to maintain stable output frequency and load distribution.
Mechanical Drive Systems
Supports compressors, pumps, and industrial machinery driven by turbines where accurate speed control is essential.
Industrial Process Plants
Integrates with plant automation systems to monitor turbine parameters and maintain stable process operations.
Energy and Utility Infrastructure
Ensures reliable control of rotating equipment in utility plants and large-scale industrial facilities.
Key Advantages
Advanced Digital Control
Microprocessor-based architecture ensures precise speed and load regulation for turbine systems.
User-Friendly Interface
Integrated LED display and keypad enable intuitive configuration, monitoring, and troubleshooting.
Flexible I/O Configuration
Programmable inputs and outputs support a wide range of turbine sensors, actuators, and control signals.
Industrial-Grade Reliability
Designed to operate in harsh environments with wide temperature tolerance and optional protective enclosure.
Comprehensive Communication Support
Serial interfaces allow connection to supervisory control systems and plant automation networks.
Technical FAQs
1. What does the Woodward 9907-163 controller do?
It regulates turbine speed and load by controlling actuator outputs based on operational parameters.
2. Which equipment can it control?
Primarily steam turbines, but it can also be used with turbo-generators and expanders.
3. What power supply does the controller require?
It supports 88–132 VAC or 90–150 VDC input power.
4. How many input signals can it process?
It supports six programmable current inputs and sixteen discrete contact inputs.
5. What type of display does it include?
A two-line LED display with 24 characters per line.
6. Can it communicate with other control systems?
Yes, through RS-232C and RS-422 serial communication ports.
7. What software is used for configuration?
The controller uses OpView™ and 505View™ software tools.
8. Is the controller suitable for hazardous locations?
Certain versions are rated for Class 1 Division 2 environments.
9. How is it installed?
It is typically panel-mounted in turbine control cabinets.
10. What industries commonly use this governor?
Power generation, oil and gas processing, industrial manufacturing, and turbine-driven mechanical systems.
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