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Woodward 9907-175
Product Full Name: Woodward 9907-175 2301D-ST Interbrand Load Sharing Control Module
Product Introduction: Original dedicated inter-brand load sharing module from Woodward 9907 series. It realizes load equalization control between Caterpillar engine PWM speed controllers and Woodward power generation control accessories, supporting both isochronous and droop parallel load sharing modes.
Detailed content
Technical Specifications:
- Operating Power Supply: DC 18–32V, power consumption ≈5W
- Inputs: Three-phase PT voltage input (100–240VAC line-to-line), three-phase CT current input
- PT Input Burden: 1.5–1.7VA/phase @240VAC, 0.4–0.5VA/phase @120VAC
- Control Output: PWM speed adjustment signal for Caterpillar digital speed control
- Load Sharing Control Precision: ±1% rated load
- Operating Temperature: -40°C to +70°C
- Module Dimensions: 273.6×214.1×59.2mm
- Protection Functions: Undervoltage, overvoltage, reverse connection protection
Functional Features:
- Specialized for load sharing between Caterpillar engines and Woodward systems
- Supports synchronous speed trim potentiometer external adjustment
- Complete three-phase voltage and current load detection logic
- Stable isochronous parallel load equalization control
- High anti-interference performance for industrial power environments
- Panel fixed installation structure for control cabinet integration
Application Scenarios:
- Caterpillar engine generator multi-unit parallel load sharing systems
- Mixed-brand engine generator parallel power stations
- Industrial CHP cogeneration parallel control systems
- Marine auxiliary generator interbrand load sharing control
- Distributed off-grid microgrid parallel power systems
