WOODWARD 9907-019 Rev D, LOW VOLTAGE 2301A LOAD SHARING & SPEED CONTROL

WOODWARD 9907-019 Rev D, LOW VOLTAGE 2301A LOAD SHARING & SPEED CONTROL

The WOODWARD 9907-019 Rev D, also known as the Low Voltage 2301A Load Sharing & Speed Control, is a high-precision control system designed to manage and regulate the speed and load sharing of generator sets, particularly in multi-unit systems. It is part of Woodward’s established line of reliable load sharing controllers, ensuring that multiple generators operate harmoniously and maintain stable performance in power generation and distributed systems.

The 2301A Load Sharing & Speed Control provides precise load sharing between generators and controls the speed of the engine, offering a stable power output to meet load demands effectively. This system is widely used in industries such as marine, power generation, oil and gas, and critical backup systems, ensuring smooth and reliable operation across various applications.

Key Features:

• Load Sharing: The 2301A controller ensures precise load sharing between multiple generator sets, balancing the load across all units and optimizing performance, reducing the risk of overload on any single generator.
• Speed Control: The unit provides excellent speed regulation for engines, maintaining a constant frequency output to the grid or connected loads.
• Automatic Synchronization: Offers automatic synchronization of generators to maintain the frequency and voltage consistency when operating in parallel.
• Flexible Configuration: The controller is designed for flexibility, supporting both voltage and speed control and being adaptable to a wide range of engine types.
• Integrated Communication: Capable of communicating with other control systems for remote monitoring, diagnostics, and adjustments, ensuring seamless integration in complex systems.
• Advanced Diagnostics: Includes built-in diagnostic tools to track the health of the system, identify faults, and enable troubleshooting.
• User Interface: The controller includes an easy-to-use interface for monitoring and adjusting operational settings. It often integrates with additional Woodward modules or displays for system management.
• Durable Design: Built for industrial and harsh environments, the controller is designed to provide long-lasting, reliable service even under challenging operating conditions.

Technical Specifications:

• Model: 9907-019 Rev D (Low Voltage 2301A)
• Input Voltage: 24 VDC nominal (operates from 18 VDC to 32 VDC)
• Control Voltage: 4-20mA analog signal for load control and setpoint adjustment
• Frequency Range: 50/60 Hz
• Control Outputs:
  • Speed Control Output: Provides control for engine speed regulation
  • Load Sharing Outputs: Adjustable load sharing and droop characteristics
• Temperature Range: -40°C to +70°C (operation)
• Humidity: 5% to 95% RH, non-condensing
• Mounting: Panel mount or rack mountable
• Dimensions: 200 mm x 180 mm x 60 mm (approx.)
• Weight: 1.5 kg
• Protection Class: IP20 (for indoor use)
• Communication Ports: RS-485 for remote monitoring, Modbus RTU for communication with other controllers
• Diagnostics: Built-in LEDs and fault codes for quick diagnostics
• Certifications: UL, CE, RoHS compliant

Protection and Safety Features:

• Overcurrent Protection: Provides protection against overload or short-circuit conditions to prevent damage to the generator and connected systems.
• Temperature Monitoring: Monitors internal temperature and automatically shuts down or adjusts the system if the unit exceeds safe operating limits.
• Overvoltage/Undervoltage Protection: Detects voltage deviations and ensures safe voltage levels are maintained for the generators.
• Fault Monitoring: Real-time fault detection with diagnostic feedback for troubleshooting and operational optimization.
• Load Shedding: Automatically adjusts the load distribution based on preset conditions, helping to balance loads across multiple units and preventing overload.

Installation and Maintenance Instructions:

• Installation:
  1. Mounting: Install the 2301A controller in a clean, dry location, ensuring that it is properly secured in a panel or rack. It must be mounted away from sources of heat or humidity.
  2. Wiring: Connect the 24V DC power supply to the controller’s input terminals. Be sure to use properly rated wiring and follow the wiring diagrams provided in the manual.
  3. Load Sharing Connections: Connect the load sharing output terminals to the appropriate generators or auxiliary equipment. The controller will use these connections to balance the load between all connected units.
  4. Speed Control Setup: Configure the speed control setpoints for each generator, based on the specifications of the engine and the power grid requirements.
  5. Communication: If required, connect the RS-485 communication port to an external monitoring system or Modbus network for remote monitoring and control.
• Maintenance:
  • Routine Inspection: Perform regular checks on the system, including verifying the voltage and current levels, as well as checking for any signs of wear or damage in the wiring and terminals.
  • Calibration: Periodically check and recalibrate the speed and load sharing settings to ensure they are within the optimal operating range.
  • Diagnostics: Use the built-in diagnostics to check the health of the system. Address any fault codes or warning lights immediately to maintain operational efficiency.
  • Cleaning: Clean the controller’s external housing to remove dust and dirt, ensuring that the air vents are unobstructed for proper ventilation.
• Troubleshooting:
  • If the system is not sharing load properly, ensure that the speed setpoints and load sharing settings are correctly configured for each unit. Also, check for any fault codes using the diagnostic interface.
  • Verify that all wiring connections are secure and that the power supply is stable within the specified range.
  • Inspect the communication ports and ensure the controller is communicating correctly with other systems.

Product Recommendations:

For additional or complementary products, consider the following models:

Advantages of the WOODWARD 9907-019 Rev D:

• Precise Load Sharing: Provides accurate and reliable load sharing between multiple generators, ensuring even load distribution and minimizing risk of overloading any single unit.
• Speed Regulation: Offers exceptional speed control to ensure stable output across all connected units, preventing frequency drift and enhancing overall system performance.
• Flexible Communication: The inclusion of Modbus RTU and RS-485 communication allows for seamless integration into large-scale systems with remote monitoring capabilities.
• Durability: Built to last, the 2301A is designed for high durability in industrial environments, offering long-term reliability with minimal maintenance.
• User-Friendly Interface: The intuitive interface and diagnostic features make it easy to configure, monitor, and maintain the system, reducing operator training time.

Conclusion:

The WOODWARD 9907-019 Rev D, Low Voltage 2301A Load Sharing & Speed Control, is an essential component for managing multi-generator setups in industrial, marine, and power generation systems. Its ability to synchronize and balance the load between multiple units, combined with precise speed control and comprehensive diagnostic features, makes it a reliable and effective solution for critical power management applications. Whether for backup power systems or large-scale energy generation, the 2301A provides the necessary control and safety features to ensure smooth, stable, and efficient operation.