Woodward 8404-1001 Electric Actuator

Woodward 8404 - 1001 electric actuator is a product in Woodward's L series position controller, mainly used for speed control of diesel or gas engines. Here is its related introduction:

Features and functions

Microprocessor-based control: Using microprocessor technology, it is easy to program to match the operating parameters of various engines and provide precise speed control.

Multiple control functions: It has functions such as software-selectable speed set points, dynamic control, fuel limiting, and start/stop behavior, and also has advanced speed sensing and control algorithms.

Powerful diagnostic functions: It has comprehensive diagnostic functions to facilitate troubleshooting, reduce downtime, and improve system reliability and maintainability.

Configurable auxiliary inputs: Provide customer-configurable auxiliary inputs that can be customized according to specific applications to meet the personalized needs of different users.

Multiple mounting methods: There are multiple mechanical configurations to choose from, including integration into a rotary diesel fuel pump, integration with a throttle body or a throttle body and mixer, and external mounting systems can also be configured with clockwise or counterclockwise (standard) shaft rotation to increase fuel.

Working Principle

The L series control system in this actuator is based on a microprocessor. Through the integrated speed control software, it receives the speed signal from the engine and other related sensor signals, compares them with the preset speed set point, and then calculates the control signal to be output according to the deviation. The signal drives the high-efficiency torque motor and converts it into mechanical motion through the transmission mechanism to control the fuel or air control equipment, such as adjusting the fuel supply of the fuel pump or the opening of the throttle to achieve precise adjustment of the engine speed and keep the engine running at the set speed.

Technical parameters

Torque: Its high-efficiency torque motor can nominally provide 0.34 N・m (0.25 lb-ft) of torque within a 60° stroke range.

Operating temperature: The operating temperature range is - 40℃ to 105℃ (-40℉ to 221℉).

Input voltage: The input voltage is rated at 10 - 32 VDC.

Application field

Power generation field: In power generation equipment such as diesel generator sets and gas turbine generator sets, it is used to accurately control the speed of the generator to ensure the quality of power generation and the stability of the power grid.

Industrial engine field: widely used in various industrial diesel or gas engines, such as engines for mining equipment, construction machinery, logistics and transportation vehicles, etc., to ensure that the engine can operate efficiently and stably under different load conditions.

Marine power field: provide precise speed control for the ship's engine to ensure that the ship can maintain a stable propulsion speed and power output regardless of the sea conditions and load changes encountered during navigation.