Woodward 9905-003 SPM-A Synchronizer

Product Introduction

The Woodward 9905-003 SPM-A Synchronizer is a precision control device designed for parallel operation and synchronization of multiple generators in power generation systems. This module ensures that multiple power sources operate in phase, frequency, and voltage alignment, minimizing disturbances and enabling smooth load sharing.

The SPM-A Synchronizer is widely utilized in industrial, marine, and utility power systems, providing automatic synchronization, monitoring, and control of generator sets. Its design combines reliable solid-state electronics with intuitive interfacing, ensuring accurate measurements of voltage, phase, and frequency. It is compatible with analog and digital input signals and is engineered to integrate seamlessly with Woodward and third-party generator control systems.

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Technical Specifications

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Product Applications

• Power Plants — Synchronizes multiple generators to deliver stable power.

• Marine Vessels — Manages shipboard generator sets for smooth operation.

• Industrial Facilities — Integrates with backup generators to ensure uninterrupted power.

• Renewable Energy Systems — Synchronizes wind or hydro generators with grid power.

• Microgrids — Ensures stable parallel operation of multiple distributed energy resources.

• Critical Infrastructure — Supports hospitals, data centers, and industrial complexes with reliable synchronization.

The synchronizer enhances system stability, reduces generator wear, and optimizes load sharing for reliable operation.

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Product Advantages

• Precise Synchronization
  Ensures generators are matched in phase, voltage, and frequency.

• Automatic Load Sharing
  Distributes load evenly among parallel generators to optimize performance.

• Versatile Signal Compatibility
  Accepts both analog and digital input signals for broad application.

• User-Friendly Interface
  Easy-to-read indicators and simple configuration for field installation.

• Industrial-Grade Reliability
  Robust PCB design and high-quality components provide long-term durability.

• Flexible Mounting
  Can be mounted in panels or racks for easy integration.

• Protection Features
  Built-in monitoring prevents out-of-phase connection and reduces system disturbances.

• Optional Communication
  Modbus RTU allows integration with remote monitoring and SCADA systems.

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FAQ

1. What is the main function of the 9905-003 SPM-A Synchronizer?
   It synchronizes multiple generators by matching phase, voltage, and frequency for safe parallel operation.

2. Which types of generators can it synchronize?
   It works with AC synchronous generators, both diesel and gas engine-driven, in industrial or marine applications.

3. How is load sharing handled?
   The device automatically distributes load between generators to maintain balanced operation within ±2% accuracy.

4. What voltage and frequency ranges are supported?
   Voltage: 0–600 VAC line-to-line; Frequency: 45–65 Hz.

5. Does it provide protection against incorrect synchronization?
   Yes, it prevents breaker closure if generators are out of phase or voltage mismatch occurs.

6. Can it interface with digital control systems?
   Yes, optional Modbus RTU allows integration with PLCs or SCADA systems.

7. What type of outputs does it provide for generator control?
   4–20 mA analog signals and relay outputs for breaker and load control.

8. Is it suitable for extreme environments?
   Yes, it operates between -20°C to +70°C and can tolerate 5–95% non-condensing humidity.

9. Can it be used in renewable energy systems?
   Yes, it is suitable for synchronizing wind or hydro generators with the grid.

10. How is the device installed?
    It supports panel or rack mounting with convection cooling and straightforward wiring for integration.

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Recommended Related Models (Same Series)

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Popular Woodward Models (Same Brand)

FAQ

1. What is the main function of the 9905-003 SPM-A Synchronizer?
   It synchronizes multiple generators by matching phase, voltage, and frequency for safe parallel operation.

2. Which types of generators can it synchronize?
   It works with AC synchronous generators, both diesel and gas engine-driven, in industrial or marine applications.

3. How is load sharing handled?
   The device automatically distributes load between generators to maintain balanced operation within ±2% accuracy.

4. What voltage and frequency ranges are supported?
   Voltage: 0–600 VAC line-to-line; Frequency: 45–65 Hz.

5. Does it provide protection against incorrect synchronization?
   Yes, it prevents breaker closure if generators are out of phase or voltage mismatch occurs.

6. Can it interface with digital control systems?
   Yes, optional Modbus RTU allows integration with PLCs or SCADA systems.

7. What type of outputs does it provide for generator control?
   4–20 mA analog signals and relay outputs for breaker and load control.

8. Is it suitable for extreme environments?
   Yes, it operates between -20°C to +70°C and can tolerate 5–95% non-condensing humidity.

9. Can it be used in renewable energy systems?
   Yes, it is suitable for synchronizing wind or hydro generators with the grid.

10. How is the device installed?
    It supports panel or rack mounting with convection cooling and straightforward wiring for integration.

Recommended Related Models (Same Series)

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Popular Woodward Models (Same Brand)

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