WOODWARD ProAct 75 Speed Control ( 1st Generation)

WOODWARD ProAct 75 Speed Control ( 1st Generation)

Product Overview

WOODWARD ProAct 75 speed control (first generation) is a precision speed control device widely used in the industrial field, playing a key role in various power systems and industrial processes. This speed control system integrates advanced technology and reliable hardware design, aiming to provide stable and precise speed control services for reciprocating engines, turbines, and other equipment that require high speed accuracy. The core component ProAct 75 electric actuator, with its unique structure and performance, can efficiently respond to control instructions and achieve precise adjustment of equipment operating speed.

Working mechanism and technical details

（1） Principle of actuator drive

Using electric drive technology, the internal motor converts electrical energy into mechanical energy, and adjusts the output shaft speed and angle by controlling the current and voltage to achieve position control of mechanical devices such as valves and throttling devices. In the engine fuel system, directly connecting the fuel throttle valve to adjust the fuel quantity and achieve speed control, compared to hydraulic/pneumatic drive, has faster response, higher accuracy, and lower energy consumption.

（2） Speed feedback and regulation mechanism

Real time monitoring of equipment speed through speed sensors, signal transmission to the control unit for comparison with the target value, calculation and adjustment of the signal by the control algorithm, driving the actuator to make the actual speed approach the target value. Closed loop control eliminates external interference and ensures stable operation of the equipment under various working conditions. For example, when the engine load increases, the sensor detects a decrease in speed, and the control unit instructs the actuator to increase the throttle valve opening to increase the speed.

（3） Electrical connections and signal processing

Input power supply 18-32Vdc (maximum current 20A), compatible with various electrical devices. Receive 4-20mA, PWM and other control signals, convert them into actuator instructions through internal processing, and output equipment operation status signals to achieve industrial system automation monitoring and management.

Product specifications and configuration

（1） Output specifications of actuator

The output shaft has a rotation stroke of 75 degrees and a torque output of 7-37J (5-27ft-lb). Users can choose the torque specification according to the load and adapt to scenarios ranging from small valves to large industrial valves.

（2） Protection and environmental adaptability

The shell is sturdy, with dust-proof, waterproof, and shock resistant capabilities. It operates at temperatures ranging from -40 ° C to+85 ° C and is suitable for cold outdoor environments and high-temperature workshops.

（3） Installation and connection method

Supporting installation methods such as brackets and flanges, the connection interface has MS connectors or conduit joints, and the actuator can be rotated clockwise/counterclockwise for easy installation and debugging.

Product functional characteristics

（1） Precise speed control

By using control algorithms and speed feedback systems, the equipment speed is controlled within a very small error range, reducing quality problems and equipment failures caused by speed fluctuations, and ensuring efficient and stable operation of engines and other equipment.

（2） Rapid response capability

Quickly respond to sudden changes in load and other operating conditions, detect speed changes in a short period of time, adjust actuators, restore set speed, improve equipment operating efficiency, and protect equipment from damage caused by speed changes.

（3） Fault diagnosis and self-protection

Real time monitoring of operating status. When abnormal conditions such as motor overload or sensor failure are detected, the diagnostic program is initiated, and alarms are triggered through indicator lights and communication interfaces. In case of severe faults, the drive output is automatically stopped, reducing maintenance costs and downtime.

Product advantages

（1） High reliability

High quality components are selected for hardware, which are anti-interference and environmentally resistant. The design considers redundancy and error tolerance, and can maintain basic working ability even when some components fail.

（2） Wide compatibility

Compatible with various power equipment, control systems, and communication protocols such as Modbus and CANopen, reducing the difficulty and cost of system integration.

（3） Easy to maintain

Modular design facilitates the disassembly and replacement of faulty modules, with a simple user interface. WOODWARD provides professional technical support to shorten troubleshooting time.

（4） High cost-effectiveness

Improve equipment operational efficiency, reduce energy consumption, maintenance costs, and downtime, flexibly configure to avoid overinvestment, and save costs throughout the lifecycle