WOODWARD 8241-956 Electri-Drive
WOODWARD 8241-956 Electri-Drive
Core Functions Introduction
The 8241-956 is an electronic control device used to regulate the speed and load distribution of prime movers (such as diesel engines, gas engines, or steam turbines).
Speed Control: Precisely maintains the engine speed. It receives signals from a magnetic speed sensor (MPU), compares the actual speed with a set value, and then controls the actuators.
Load Sharing: In isochronous parallel operation, it ensures that the electrical load is proportionally distributed among the units, preventing overload or reverse power generation in any one unit.
Isochronous Operation: Maintains a constant frequency (e.g., 50Hz or 60Hz) even when the load changes, preventing slippage.
Soft Loading: Supports smooth increases or decreases in unit load, avoiding severe impacts on the power grid.
Anti-interference design: 8241-956 typically adopts a sealed housing design, which has good shock resistance and environmental resistance, and is suitable for installation in control cabinets.
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Key Technical Parameters (Typical Values) Parameter Description Power Input: Typically 24V DC Input Signal: Magnetic Probe (MPU) Signal Output Signal: Current signal controlling the actuator Control Mode: Supports isochronous and drop modes Adjustable Range: Gain, stability, and speed control range can be adjusted via potentiometers
Main Applications and Scenarios
Due to its high reliability, this model is widely used in the following fields:
Generator Set Control: This is its most common application. Multiple diesel or gas generator sets operate in parallel to power factories, data centers, or ships.
Marine Propulsion Systems: Used to control the speed of marine main engines, ensuring even load distribution in complex sea conditions and protecting the engines from overload.
Emergency Power Systems: In critical locations such as hospitals and banks, it serves as the core controller of backup power systems, ensuring that the unit can quickly and stably connect to the load during power outages.
Industrial Power Systems: Controls engines driving large water pumps, compressors, or crushers.
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