WOODWARD Load Sharing Module 9907-252

WOODWARD Load Sharing Module 9907-252

The WOODWARD Load Sharing Module 9907-252 is an advanced control system designed to optimize the performance of parallel generators in a power generation environment. It enables seamless load sharing between multiple generators, ensuring that each unit contributes proportionally to the overall load demand. This module plays a crucial role in maintaining system stability, reducing operational costs, and extending the lifespan of generators by distributing the load evenly.

This load sharing module is especially beneficial for applications where reliability and efficiency are paramount, such as in industrial, marine, and emergency power systems. By efficiently balancing the load, the 9907-252 helps reduce fuel consumption, enhances system reliability, and minimizes the risk of generator overloading.

Key Features:

• Seamless Load Sharing: Enables efficient distribution of load between multiple generators, ensuring no single unit is overloaded.
• Integrated Speed and Voltage Control: Provides precise control of engine speed and voltage, which is critical for maintaining synchronization and stable operation.
• Flexible Configuration: Configurable for a wide range of generator sets and application needs, allowing it to work with both small and large systems.
• Load Control Mode: Supports both droop and isochronous load sharing modes, which can be easily selected based on the specific application requirements.
• Remote Monitoring: Provides remote diagnostics and monitoring capabilities, making it easy to identify and address any potential issues.
• Enhanced Fault Protection: Includes over-speed, over-voltage, and under-voltage protection, ensuring that generators operate within safe parameters.
• Communication Protocols: The module supports Modbus RTU for easy integration with SCADA systems and other remote control technologies.

Technical Specifications:

• Part Number: 9907-252
• Input Voltage: 24 VDC (nominal)
• Operating Temperature: -40°C to +70°C (-40°F to +158°F)
• Dimensions: 210 mm x 170 mm x 60 mm
• Weight: 1.5 kg (approximately)
• Load Sharing Modes: Isochronous, Droop
• Communication: Modbus RTU (RS485)
• Frequency: 50/60 Hz
• Mounting: Panel mount or rack mount options
• Protection: Over-voltage, over-speed, and under-voltage protections
• Power Consumption: 15 W
• Certifications: CE, UL, and CSA approved

Protection Features:

• Over-Speed Protection: Prevents the generator from exceeding safe operational speeds, protecting both the engine and the load.
• Over-Voltage and Under-Voltage Protection: Ensures that the output voltage remains within the specified limits to prevent damage to connected equipment.
• Load Imbalance Detection: Detects if there is an abnormal load distribution between the generators, and automatically corrects the imbalance to ensure proper load sharing.
• Overload Protection: Shuts down or alarms the system if a generator exceeds its rated capacity, preventing engine damage.

Installation & Maintenance Instructions:

• Installation:
  • Mount the 9907-252 Load Sharing Module in a dry, cool environment within the control panel, ensuring adequate ventilation for heat dissipation.
  • Follow the wiring diagram provided in the manual to ensure proper connections to the generator set’s voltage and speed control systems.
  • Ensure that communication wiring for Modbus RTU is correctly installed for remote monitoring and integration with SCADA systems.
  • Verify that the power supply is connected to the correct terminal, and ensure proper grounding to avoid electrical interference.
• Maintenance:
  • Periodically check the load sharing module’s display for any error or warning messages related to load imbalance, over-speed, or voltage issues.
  • Perform regular diagnostics and functional tests to verify that the module is correctly balancing the load across the generators.
  • Ensure that the unit is free from dust and debris, which could impede heat dissipation and affect performance.
  • Review communication logs to ensure continuous data flow between the module and the SCADA system.
  • Clean and inspect all connectors and terminals to avoid corrosion or contact issues that could interfere with signal integrity.
• Software Updates: Regularly check for software updates provided by Woodward to improve system performance and introduce new features or bug fixes.

Product Recommendations:

For additional load sharing and generator control solutions, you may consider these similar products from Woodward and other manufacturers:

Advantages of the WOODWARD Load Sharing Module 9907-252:

• Improved Efficiency: By optimally distributing the load between multiple generators, the 9907-252 reduces fuel consumption and ensures that no single unit is overworked.
• Reliable Performance: With its built-in protection features and fault monitoring, this module ensures that your generators operate within safe limits, reducing the risk of downtime and costly repairs.
• Seamless Integration: The module is designed for easy integration with existing control systems, including SCADA, making it ideal for complex power generation setups.
• Flexible Control: With both droop and isochronous modes, the module can be configured to meet the specific requirements of your application, providing maximum flexibility.
• Remote Diagnostics: The ability to monitor generator performance remotely simplifies maintenance and troubleshooting, improving system uptime.

Conclusion:

The WOODWARD Load Sharing Module 9907-252 is an essential component for optimizing the performance of parallel generators in industrial, marine, and power generation applications. Its advanced load sharing capabilities, along with comprehensive protection features, ensure that your generator sets operate efficiently and reliably. Whether you’re managing a small installation or a large-scale power generation system, the 9907-252 provides the control, flexibility, and protection needed to maximize efficiency and minimize operational costs.