Description
Woodward SPM-D2-108440-2166
Technical Specifications
- Part Number: 8440-2166
- System Type: Microprocessor-based synchronizing unit
- Input Signals: Discrete inputs for synchronization, synch-check, and dead bus start
- Output Signals: Discrete raise/lower for speed and voltage; optional analog/PWM outputs
Functional Features
- Synch-Check & Dead Bus Start: Realizes safe synchronization checking and automatic closing on dead buses.
- Time Monitoring: Actively monitors synchronization time to prevent out-of-phase closing.
- Isolated Control: Provides isolated voltage and frequency control during island operation.
- Dual Language Support: Built-in English and German language interfaces.
Application Scenarios
Extensively used in industrial power plants, marine power generation, and backup power systems where precise and automated generator-to-bus synchronization is critical.
Performance Parameters
- Frequency Range: 50/60Hz (Operational range 40 to 70Hz).
- Control Outputs: Configurable discrete and analog signals tailored to specific governor and AVR requirements.
- Power Consumption: Maximum 10W inherent power draw.
Material Composition
Manufactured with premium electronic components and flame-retardant plastics, ensuring long-term durability and compliance with international safety standards like CE and UL/cUL.
Structural Characteristics
- Modularity: Designed as a standalone module that integrates easily into existing control panels.
- User Interface: Features intuitive pushbuttons and a high-contrast LCD display for easy on-site adjustments.
Working Principle
Utilizing advanced microprocessor algorithms, the unit samples the true RMS values of the generator and bus. It dynamically adjusts the generator’s speed and excitation through closed-loop control until the phase angle, frequency, and voltage fall within the predefined acceptable window.
Installation Requirements
Ensure proper wiring according to the specific wiring diagram for the 8440-2166 variant. Maintain adequate clearance around the unit for ventilation.
Precautions for Use
Never bypass the synchronizing check functions. Always verify the circuit breaker time compensation settings to account for the mechanical closing time of the specific breaker used.
