Product Details
Configured for generator paralleling, the Woodward 9905-001 (9905-001 Synchronizer Module) provides direct electrical execution of frequency, phase angle, and voltage matching within prime mover speed control platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 9905-001 |
| Brand | Woodward |
| Origin | Not specified |
| Weight | 3.72 lbs |
| Dimensions | 5.2 in x 3.5 in x 1.4 in |
| Operating Temp | -40 deg C to +85 deg C |
| Power Consumption | 5 W |
| Input Voltage | 115 or 230 VAC RMS |
| Frequency | 50/60 Hz |
Actuator Loop Feedback Response and Thermal Heat Sink Dissipation Profiles
The 9905-001 synchronizer regulates generator bus alignment by biasing the speed control signal based on real-time phase angle and frequency comparison. The module exhibits an actuator loop feedback response calibrated to maintain phase lock within +/- 10 degrees. Internally, the circuit design emphasizes thermal heat sink dissipation profiles optimized for industrial control cabinets where ambient temperatures may reach +85 deg C. Users must ensure that the output load is correctly matched to the speed regulator impedance to prevent signal drift during the paralleling sequence. The compact form factor necessitates proper air circulation within the DIN-rail or bulkhead mounting environment to maintain long-term component stability.
Frequently Asked Questions
Q: Does the 9905-001 module require external calibration for different frequency ranges (50 Hz vs. 60 Hz)?
A: The module is designed to support both 50 and 60 Hz nominal systems. Ensure the installation setup reflects the grid frequency to allow the internal comparator to correctly determine the phase synchronization window.
Q: Can this module be configured for load sharing between multiple prime movers?
A: The 9905-001 is a dedicated synchronizer module. It provides the necessary frequency and phase bias for paralleling but must be used in conjunction with a compatible Woodward load-sharing controller to achieve balanced real-power distribution between units.
Field Installation Guidelines
- Mounting: Secure the module using the integrated mounting provisions. Ensure the orientation allows for natural convective cooling across the 5.2 in x 3.5 in x 1.4 in profile.
- Wiring: Connect the bus and generator sensing inputs using shielded cabling. Terminate the shield at the cabinet common reference point to maintain signal integrity and minimize susceptibility to electromagnetic interference.
- Input Selection: Verify the input voltage configuration (115 or 230 VAC) via the terminal jumper settings or physical wiring configuration before applying line power.
- Grounding: Maintain a low-impedance connection to the chassis ground to ensure protection against transients and to provide a stable reference for the phase angle detection circuitry.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
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- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Marshalling Cabinets in Industrial Control Systems Architecture
Industrial control system deployments rely on structured signal distribution to bridge field instrumentation with central processing hardware. A marshalling cabinet serves as the vital intermediate connection point between heavy field home-run multi-pair cables and delicate input/output (I/O) modules housed inside Programmable Logic Controller (PLC) or Distributed Control System (DCS) enclosures. By segregating field cable terminations from control hardware, engineers maintain system flexibility, safeguard controller components, and streamline commissioning workflows.
FAT vs SAT in Industrial Control Systems: Key Differences and Execution Guide
Industrial control system deployment relies on strict verification protocols to guarantee operational safety, system stability, and regulatory compliance. Commissioning complex Programmable Logic Controller (PLC) racks, Distributed Control Systems (DCS), and Safety Instrumented Systems (SIS) requires two critical milestones: the Factory Acceptance Test (FAT) and the Site Acceptance Test (SAT). Both procedures validate that system automation meets design specifications, but they occur at different stages of project execution and target distinct operational risks.
Hub vs Switch vs Router in Industrial Automation Architecture
Modern factory automation relies on reliable industrial networking infrastructure to exchange real-time field data across operational technology systems. Engineers often encounter networking hardware like hubs, switches, and routers when integrating Programmable Logic Controllers, Distributed Control Systems, and SCADA monitoring nodes. Although these devices share physical ports, they operate at different layers of the Open Systems Interconnection reference model and deliver distinct traffic management capabilities.