Woodward 9905-001 SPM-A Synchronizer Most Favorable

Overview

The Woodward 9905-001 is an SPM-A Synchronizer, designed to adjust the speed of an offline generator. It ensures the generator matches the frequency and phase of another generator in an isolated multi-engine system. This synchronization enhances system reliability and operational efficiency.

Technical Specifications

General Information

• Model Number: 9905-001

• Type: SPM-A Synchronizer

• Input Voltage: 115 or 230 VAC RMS (selectable)

• Frequency Range: 50/60 Hz

• Phase Angle: ±10° (no voltage matching capability)

• Power Consumption: Maximum 5 W

Output Options

• High Impedance

• Low Impedance

• EPG (Electronic Power Governor)

Environmental Tolerance

• Operating Temperature: -40°C to +70°C (-40°F to +158°F)

• Relative Humidity: 5% to 95% (non-condensing)

• Shock Resistance: 10 g, 1/2 sine wave for 11 ms

• Vibration Tolerance: 1 mm peak-to-peak (2 Hz to 13.2 Hz), 0.7 g (13.2 Hz to 150 Hz)

Function and Operation

The 9905-001 SPM-A Synchronizer adjusts an offline generator’s speed setpoint. This adjustment ensures its frequency and phase align with another generator in the system. Once both match, the synchronizer automatically issues a contact closure signal to close the circuit breaker.

To accommodate different generators, the 9905-001 features adjustable dynamics. It operates within a 50–60 Hz frequency range and supports a ±10° phase angle. However, it does not perform voltage matching.

Power and Installation Considerations

This model requires 115 to 230 V AC RMS input voltage, with a ±10% voltage tolerance. It consumes a maximum of 5 W during operation. For optimal performance, ensure proper ventilation and avoid placing the synchronizer near direct heat sources.

Additional Information

• Speed Synchronizer

• 10 AMP Capacity

• 115/230 VAC Input

• 5 W Power Consumption

• 50/60 Hz Frequency

• Weight: 1.69 kg

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