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9907-164 Woodward 505 Series Digital Governor Control Unit

9907-164 Woodward 505 Series Digital Governor Control Unit

Product Overview

The Woodward 9907-164 (Part Number 9907-164) is a high-precision microprocessor-based control system engineered for steam turbine management. Part of the globally recognized 505 digital governor family, this unit...

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SKU: 9907-164
Vendor: Woodward
Category: Digital Governor Control Unit
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Product Overview

The Woodward 9907-164 (Part Number 9907-164) is a high-precision microprocessor-based control system engineered for steam turbine management. Part of the globally recognized 505 digital governor family, this unit provides specialized algorithms to regulate single-extraction or admission steam turbines. By utilizing split-stage actuators, the 9907-164 ensures stable inlet valve positioning, optimizing thermodynamic efficiency and operational safety in power generation and mechanical drive applications.

Technical Specifications

Specification Details
Model Identifier 9907-164
Series 505 Digital Governor
Control Logic Microprocessor-based PID control
User Interface Front-panel integrated 2-line LCD (24 characters per line)
Configuration Field-programmable menu-driven software
Inputs/Outputs Discrete and analog I/O for steam valve actuation
Housing Dimensions 16 cm x 16 cm x 12 cm
Net Weight 0.8 kg

Operational Features and Application

The 9907-164 is designed for versatility in industrial environments, capable of controlling turbogenerators and turboexpander modules. Operators can perform real-time adjustments via the integrated control panel, allowing for seamless site-specific calibration without requiring external handheld programmers. Its robust architecture handles complex steam management tasks, including the precise modulation of extraction steam for process heating while maintaining turbine speed and load stability.

FAQ

What is the primary difference between the 505 and 505E models?

The standard 505, such as the 9907-164, focuses on speed and load control for single-valve turbines, whereas the 505E variant includes expanded logic for extraction steam turbines requiring complex pressure header control.

Can this unit be configured while the turbine is running?

While certain monitoring parameters are accessible, core configuration should be performed during commissioning or controlled shutdown to ensure system stability.