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The Woodward 8440-2165 is a microprocessor-based synchronizer from the SPM-D family, designed for seamless synchronization of three-phase AC generators. It ensures safe, transient-free breaker closure by matching the phase angle, frequency, and voltage of the generator to the busbar. This unit is ideal for applications requiring automated synchronization, such as distributed power systems and emergency standby generators.
The 8440-2165 features a high-visibility display for real-time synchronization monitoring and uses PID control for speed and voltage biasing, making it an essential tool for precise power management.
| Specification | Details |
|---|---|
| Model Number | 8440-2165 |
| Series | SPM-D (Synchronizer Package Microprocessor - Digital) |
| Voltage Measurement Input | 100 VAC (Nominal secondary voltage) |
| Current Measurement Input | 5 A (Secondary current transformer rating) |
| Synchronization Logic | Phase-match and Slip-frequency synchronization |
| Voltage Matching | Integrated voltage matching for excitation control |
| Analog Outputs | Configurable bias signals for speed governors and AVRs |
| Operating Temperature | -20°C to +70°C (Max 100°C for storage) |
| Unit Weight | 2kg |
The 8440-2165 is primarily used in power plants, cogeneration facilities, and critical backup systems such as hospitals or data centers. It is ideal for automating the paralleling of a generator to a utility grid or common busbar without manual intervention.
Yes, the 8440-2165 can be configured to allow the generator to close onto a de-energized busbar, depending on system requirements.
Yes, the 8440-2165 outputs standardized analog bias signals (e.g., ±3V or 4-20mA), making it compatible with most third-party governors and Automatic Voltage Regulators (AVRs).