Digital guide
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Woodward 9905-007
- Product Name: Digital Synchronizer and Load Control Module
- Product Description: A robust microprocessor-based module designed for automatic synchronization and load sharing of multiple generators. It ensures seamless parallel operation by matching voltage, frequency, and phase, then distributing load equally or proportionally.
- Technical Specifications:
- Power Supply: 18–40 VDC, 1 A max
Detailed content
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- Voltage Input: 80–150 VAC (generator/bus PTs)
- Current Input: 1 A or 5 A RMS (configurable CTs)
- Frequency Range: 45–66 Hz
- Synchronization Accuracy: Frequency ±0.1 Hz, Phase ±1°
- Load Sharing Range: 0–100% (equal or proportional)
- Communication: RS-232, RS-485 (Modbus RTU)
- Operating Temperature: –40 °C to +70 °C
- Key Features:
- Automatic synchronization of voltage, frequency, and phase angle.
- Precision load sharing between paralleled generators.
- Integrated reverse power, over/under frequency, and voltage protection.
- LED indicators for synchronization status, load, and alarms.
- Compatible with all Woodward speed controllers and AVRs.
- Applications:
- Parallel operation of industrial generator sets (diesel/gas).
- Marine power systems with multiple generators.
- Grid-connected and standby power plants.
- Critical infrastructure (hospitals, data centers) power systems.
- Rental generator fleets and temporary power installations.
