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Woodward 5441-693 Digital Synchronizer and Sync-Check Module

The 5441-693 (Model: 5441-693) is a precision-engineered digital synchronizer module within Woodward’s specialized Sync-Check series. It is designed to facilitate the safe and automatic paralleling of a generator with a utility grid or another live bus. By continuously analyzing electrical parameters, the 5441-693 (Part Number: 5441-693) ensures that the generator’s voltage, frequency, and phase angle are perfectly matched before issuing a breaker closure command, effectively preventing catastrophic out-of-phase synchronization.

This module is an essential safeguard in power generation environments, providing high-accuracy monitoring of the voltage slip and phase window. The 5441-693 (Model: 5441-693) operates with a response delay of less than 50 ms, meeting the rigorous IEEE C37.106 standards for synchronization hardware. Its compact design and RS-485 communication capabilities make it an ideal choice for both new control cabinet installations and the retrofitting of legacy turbine and engine governor systems.

Detailed Technical Specifications

The 5441-693 (Model: 5441-693) provides high-fidelity sensing and deterministic relay outputs for critical breaker control.

Feature Details
Manufacturer Woodward
Model Number 5441-693
Product Type Digital Synchronizer / Sync-Check Module
Input Signals Generator & Bus Side PT (100–150 VAC)
Slip Frequency Range Adjustable ±0.1 Hz to ±2.0 Hz (Default: ±0.5 Hz)
Phase Angle Window Configurable ±5° to ±30°
Phase Accuracy Within ±1°
Response Time < 50 ms
Power Supply 24 VDC (18–32 VDC Range)
Communication RS-485 Modbus for Status Feedback
Output Contacts Isolated Relay (Sync Permit/Deny)
Mounting Standard 35mm DIN Rail (EN 60715)
Operating Temp –20°C to +70°C
Standards IEEE C37.106, CE, UL 508, IEC 61000-6-2/4
Weight 1941g (Shipping Weight) /0.8 kg (Unit)

 

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