Digital guide
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Woodward 8290-046
Product Overview
A compact, all-electric governor designed for precise isochronous speed control of small-to-medium diesel engines. It eliminates the need for a mechanical drive or hydraulic oil supply, making it ideal for prime movers with low-mass, low-friction fuel linkages. The EPG governor receives a speed signal from a magnetic pickup and drives an integrated electric actuator to adjust the engine’s fuel supply.
Detailed content
Technical Specifications
- Power Supply: 24 VDC (18–32 VDC operating range)
- Speed Input: Magnetic pickup signal, minimum 1.5 VRMS
- Speed Range: 600–3000 RPM (field-adjustable)
- Actuator Output: Integrated electric actuator for fuel rack control
- Control Mode: Isochronous (zero droop)
- Operating Temperature: -40 °C to +85 °C
- Protection Grade: IP30 dust resistant
- Mounting: Engine or panel mount
- Weight: 1.2 kg
Functional Characteristics
- Pure isochronous speed control for zero steady-state error
- Integrated electric actuator eliminates external linkage complexity
- No start fuel limit for simple engine starting logic
- Compact and lightweight design for easy installation
- Low power consumption for efficient operation
- Robust construction for vibration and temperature resistance
- Adjustable speed setpoint and gain via on-board potentiometers
Application Scenarios
Small industrial diesel generators, agricultural tractors, construction machinery, portable power units, and irrigation pump engines.
