Products Description
Woodward 9907-1200 505 Digital Governor Controller in stock
Woodward 9907-1200 is the 505 digital governor controller, designed for turbine speed control and load management. It can control steam turbines, gas turbines and expanders for power generation and mechanical drive applications.
This controller integrates speed monitoring, PID regulation, sequence control and communication functions. It is widely used in power plants and petrochemical plants, and is a popular spare part for turbine control system maintenance.
Main Specifications
| No. | Item | Parameter |
|---|---|---|
| 1 | Brand | Woodward |
| 2 | Model | 9907-1200 |
| 3 | Module Type | 505 Turbine Digital Governor Controller |
| 4 | Application Object | Steam turbine, gas turbine, expander |
| 5 | Power Supply | 24V DC |
| 6 | Communication | Modbus, RS485 / RS232 |
| 7 | Signal Input | Speed pickup, analog 4-20mA, digital switch signals |
| 8 | Mounting | Rack mount for turbine control cabinet |
Core Functions
| No. | Function Description |
|---|---|
| 1 | Precise turbine speed regulation, speed ramp control, overspeed protection monitoring for turbine units |
| 2 | Generator load control, load limiting and import/export power management for power generation units |
| 3 | Receive speed probe, analog and digital field signals, output 4-20mA signal to control hydraulic actuator |
| 4 | Built-in fault diagnosis, event log and alarm recording for turbine abnormal status |
| 5 | Modbus communication to connect with DCS system for remote monitoring and parameter setting |
Application Scenarios
| No. | Application |
|---|---|
| 1 | Power plant steam turbine and gas turbine generator set control cabinet |
| 2 | Petrochemical, refinery expander and mechanical drive turbine control system |
| 3 | Waste heat power generation, biomass power generation turbine governor system |
| 4 | Industrial turbine unit overhaul, spare controller replacement and emergency maintenance |
| 5 | Power plant DCS and turbine governor system networking transformation project |
FAQ
| No. | Question & Answer |
|---|---|
| 1 | Q:What is Woodward 9907-1200? A:It is Woodward 505 digital governor controller, used for speed and load control of steam/gas turbines and expanders. |
| 2 | Q:What communication protocol does it support? A:It supports Modbus RTU via RS232/RS485 interface for connecting to DCS or HMI system. |
| 3 | Q:What signal does it output to control valve? A:It outputs 4-20mA analog signal to drive the hydraulic actuator of turbine steam valve. |
