Product Details
Configured for precision generator synchronization and phase alignment in grid-parallel applications, the Woodward 8440-2165 (8440-2165 Microprocessor-based Synchronizer) provides direct physical/electrical execution of generator speed and voltage matching signals.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 8440-2165 |
| Brand | Woodward |
| Operating Temp | -20 to 70 deg C |
| Power Consumption | 10 W |
| Accuracy | Class 1 |
| Power Supply | 12/24 VDC (9.5 to 32 VDC) |
| Measuring Frequency | 40 to 70 Hz |
Actuator Loop Feedback Response
The 8440-2165 employs microprocessor-based control logic to manage generator-to-bus synchronization. To maintain a stable actuator loop feedback response, the module continuously calculates the phase angle and frequency deviation, generating output commands that interface with speed control governors. The unit features selectable voltage inputs ([1] 66/115 VAC or [4] 230/400 VAC) and maintains linear measuring capability up to 1.3 times the rated voltage. Internal circuitry ensures the synchronization process is decoupled from high-transient bus surges, with rated surge voltage protection reaching up to 4.0 kV for high-voltage configurations.
Frequently Asked Questions
Q: What are the limitations regarding the power supply input voltage range?
A: The module supports a wide input voltage range of 9.5 VDC to 32 VDC, suitable for standard 12 VDC and 24 VDC industrial control power systems. Ensure the supply is regulated to prevent transient fluctuations from affecting the microprocessor stability.
Q: How does the unit handle short-circuit current conditions during synchronization?
A: The device is designed with a rated short-time current capacity of 50 times the rated current ([1] version) or 10 times the rated current ([5] version) for a duration of 1 second, providing sufficient overhead to withstand grid-side faults during the synchronization sequence.
Field Installation Guidelines
- Mounting: Install the synchronizer within a switchgear panel, ensuring that the ambient operating temperature remains within the -20 to 70 deg C range. Use proper DIN-rail or panel-mount fasteners as specified by the enclosure design.
- Signal Wiring: Connect bus and generator voltage inputs using shielded twisted-pair cables to prevent electromagnetic interference. Ensure the input resistance (0.21 MΩ or 0.696 MΩ) is factored into the secondary circuit burden calculations.
- Grounding: Bond the module chassis to the cabinet earth ground bus using a low-impedance conductor to satisfy surge voltage protection requirements (up to 4.0 kV).
- Validation: Before final parallel operation, verify the phase rotation and voltage levels on both the generator and bus sides. Confirm that the measured frequency (40-70 Hz) is within the expected range, and perform a dry run in the check-sync mode to ensure correct phase angle logic before initiating automatic breaker closure.
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.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- 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
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