The EGB Governor/Actuator is used with Woodward analog or digital electronic controls that provide a proportional 20–160 mA signal to control dual fuel, diesel, and gasoline engines, and gas and steam turbines driving electrical or mechanical loads.

The governor/actuator is available for outputs of 1, 2, 10, 13, 29, 35, 58, 200, and 300 ft-lb (1.4, 2.7, 14, 18, 39, 47, 79, 271, and 407 J) work capacity to position fuel racks or linkage.

The PG-PL is a pressure compensated, isochronous control type governor widely used for controlling speed for all types of diesel or gas engines and steam turbines, driving pumps and compressors. It produces output in the 12 to 58 ft-lb range.

The PGPL Actuator/Driver is an electro-hydraulic actuator with a proportional driver interface which can be used with electronic controls providing a 0 to 200 mA position signal. The actuator is designed for use with Woodward 2301A and D series, 700- series, Peak ® 150, and 505 digital controls.

The TG-13E and TG-17E proportional actuators are self-contained electrohydraulic actuators for use on steam turbines where isochronous control, load sharing, or other functions are required. They can be used with all available Woodward electronic governor controls and accessories. The TG actuators convert an electrical signal to a corresponding proportional output shaft position to position the valve which controls the flow of steam or energy medium to the turbine. They are intended for controlling small steam turbines driving such loads as alternators, dc generators pumps, compressors, fans or paper-making machines.

The TG Governors are self-contained mechanical-hydraulic speed droop governors for use on small steam turbines where isochronous (constant speed) operation is not required.

The electrically controlled Hydraulic Amplifier is a pilot operated, linear servo actuator used in conjunction with the Woodward 2301, 505 Series or MicroNet TM electronic controls. The amplifier contains a Woodward EG-3P actuator which converts the electric control signal to a rotary output which controls the servo output position taken by the amplifier. The amplifier is capable of operating the control mechanisms for steam turbines or large engines which require relatively large forces and work capacity.

The ProAct™ Digital Plus actuator is intended to be mounted on-engine to control varying functions including (but not limited to): fuel rack positioning, timing control, throttle valve, and wastegate positioning. The actuator is effectively a positioner with an integral driver, which will accept a position command signal from another device in the system such as a speed control.

The ProAct Digital Plus actuator includes an integral digital driver capable of controlling the actuator, communicating with the outside control system, and containing on-board software and intelligence to realize monitoring and customizing functions.

The 2301A Load Sharing and Speed Controls are designed for use in electric generator systems where multi-unit load sharing is desired. 2301A controls may be used with diesel, gas or gasoline engines, or steam or gas turbines.

Controls are available for applications requiring droop and/or isochronous speed control; in forward- or reverse-acting models; for single or tandem actuator installations; with accelerating or decelerating ramps; and in several speed ranges.

Automatic, adjustable start fuel limiting regulates the maximum fuel setting while the engine is starting. This helps decrease pollution and engine wear.

Each 2301A control has a self-contained load sensor. Most models provide a 0–200 mA output signal; 0–20 mA output is available for special applications. The output signal is proportional to the fuel setting needed to attain the desired speed/load. Position feedback from the actuator is not required.

The 2301A Full Authority Speed Control sets the speed or load of a diesel engine, gas engine, steam turbine, or gas turbine according to the demand of a process or a computer control signal of 4–20 mA or 1–5 Vdc.

The unit provides isochronous operation, with droop control available through an externally-wired potentiometer. The isochronous mode is used for constant speed of the controlled prime mover as long as it is able to provide power to satisfy the load.

Droop control is provided when parallel-bus operation is required.

The 2301D Digital Load Sharing and Speed Control is used in electric generator systems for which load sharing is desired. It can be used with diesel or gas engines, or steam or gas turbines. This control utilizes a digital based speed control and provides a single serial port for PC communications. The digital design eliminates the use of potentiometers for tuning and load control.

The 2301D-ST is a microprocessor based control with integral application software designed for single-valve steam turbine applications. Like Woodward’s 2301A line of controls, this control is housed in a sheet-metal chassis and consists of a single printed circuit board. To facilitate unit retrofits, the 2301D-ST’s I/O terminals are located in the same general location as Woodward’s 2301A line of controls.

This control is designed to perform the core control functions of a small steam turbine package. The application software is field configurable, allowing it to be configured and modified to meet site-specific  requirements. 

Peak 150 Digital Control:  The Woodward Peak 150 Digital Control is designed to control a steam turbine driving a mechanical load.  It provides tight control of speed (NEMA D) and includes an input for a 4 to 20 mA remote speed control signal, which can be used for a process-generated input to control the speed setting.  Other features include dual speed control dynamics and overspeed trip test capabilities.

The AtlasPC TM control system is a new generation of turbine and engine control that provides the power of PC technology in a rugged and deterministic system. The flexible and powerful software tools and exceptional computational power make the AtlasPC control an ideal solution for controlling a variety of Prime Movers:

• Industrial Gas Turbines (large and small)

• Aero-derivative Gas Turbines

• Gas and Diesel Engines

• Steam Turbines

• Hydro Turbines

The Woodward 505 / 505E Standard Digital Control:  The Woodward 505 / 505E Standard Digital Controls are microprocessor-based controls designed to operate steam turbines of all sizes.  The 505 is designed to operate steam turbines using one or two (split-stage) actuators to drive inlet steam valves.  The 505E is designed to operate single extraction and/or admission steam turbines.  These digital controls are field programmable.  They use menu-driven software to instruct site engineers on programming the control to a specific generator or mechanical drive application.  The 505 or 505E can be configured to operate as a stand-alone unit or in conjunction with a plant Distributed Control System.

MicroNet TM Digital Control:  The Woodward MicroNet TM Controller is a state-of-the-art, programmable, digital controller.  It can be programmed to control any prime mover and its associated processes, as well as system sequencing, high speed system monitoring, surge control, vibration monitoring, and station control.  The Woodward MicroNet TM Digital Controller is available in both simplex and triple modular redundant (TMR) configurations.

The Woodward 5009 Standard Digital Control:  The Woodward 5009 control is designed to provide highly reliable control on critical steam turbine applications.  It can be configured to control condensing, backpressure, and single automatic extraction/admission turbines.  The 5009 is field programmable and uses Windows TM menu-driven software to guide site engineers on configuring the control to a specific generator or mechanical drive application.  The 5009 can be configured to operate as a stand-alone unit or in conjunction with a plant Distributed Control System.

The Woodward ProTech TM 203 Overspeed Protection System:  The Woodward ProTech TM 203 Overspeed Protection System monitors three individual magnetic pickups (MPUs) to provide overspeed protection for steam and gas turbines and other prime movers.  The system replaces mechanical overspeed devices, especially in high-speed applications (above 10,000 RPM) when a mechanical overspeed device becomes unreliable.