Digital guide
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Woodward ESSE-2LL
Product Full Name: Woodward ESSE-2LL ESSE Series Digital Speed Governor & Load Sharing Control Module
Product Introduction: Original microprocessor digital speed governor unit from Woodward ESSE series. It integrates digital PID speed closed-loop control, idle speed control, multi-unit parallel load sharing control and comprehensive safety protection functions, supporting both isochronous constant speed mode and droop speed droop parallel control mode.
Detailed content
Technical Specifications:
- Operating Power Supply: DC 18–32V wide voltage input
- Speed Control Algorithm: Adaptive digital PID closed-loop control
- Speed Control Precision: ≤±0.25% rated speed control error
- Communication Interface: RS485 Modbus RTU industrial communication
- Operating Temperature: -40°C to +70°C
- Control Output: PWM speed adjustment and actuator drive signal output
Functional Features:
- Programmable startup speed ramp control and idle speed stable control logic
- Automatic multi-generator parallel synchronous load equalization control
- Speed sensor disconnection fault automatic detection and protection
- Free switching between manual control and automatic control modes
- Real-time operating parameter monitoring and fault alarm functions
- Stable speed output under sudden load change operating conditions
Application Scenarios:
- Diesel and natural gas engine generator parallel operation systems
- Off-grid island microgrid power generation control systems
- Marine ship auxiliary generator parallel speed control equipment
- Industrial distributed emergency backup power station control systems
- Stationary industrial prime mover speed regulation control systems
