Woodward 9905-387 Processor Module

Description

The 9905-387 module is part of Woodward’s load-sharing system, allowing synchronization and droop load sharing between engines equipped with speed control devices. It supports ±3 VDC speed setting input, PWM input, and 0.5 to 4.5 VDC input, ensuring flexible control options.

Specifications

• Power Supply:

  • DC Model: 18–32 VDC, ~5W.

  • AC Model: Selectable 95-130V or 190-260V AC, 50–400Hz, ~10W.

• Input Types:

  • Three-phase PT input: 95-130V or 190-260V AC, 50–400Hz.

  • Three-phase CT input: 3-7A full load.

  • Load sharing input: 0-3 VDC impedance in isochronous mode.

• Synchronization Compatibility: Works with Woodward SPM-A synchronizer.

• Output Signals:

  • Load signal: Proportional to total actual current.

  • Speed control output: +0.5 to +4.5 VDC analog, ±3 VDC analog, or PWM.

Features

• Precise Load Sharing: Ensures stable generator operation.

• Flexible Speed Control: Supports multiple input types.

• Synchronization Capability: Works with Woodward synchronizers.

• Failsafe Mechanisms: Includes droop mode selection and manual adjustment options.

• Industrial-Grade Reliability: Optimized for demanding power generation environments.