Description
🚀 Engineered for precise industrial engine and turbine management, the Woodward 9907-024 is a specialized load sharing and speed control module within the trusted 2301A series. It delivers reliable prime mover speed regulation and proportional active power load distribution, featuring seamless operational compatibility with Woodward SPM-A synchronizers and external speed trim inputs for advanced generator paralleling and synchronization.
Technical Specifications & Datasheet
⚙️ Dimensions: 221 mm x 155 mm x 64 mm (Standard 2301A enclosure format)
⚖️ Weight: Approx. 1.8 kg (4 lbs)
🌍 Country of Origin: United States
⚡ Power Consumption: 15 W nominal
🔌 Operating Voltage: Standard 2301A low-voltage or high-voltage power configuration variants
🌡️ Operating Temperature: -40°C to +85°C (-40°F to +185°F)
🛡️ Enclosure Rating: IP20 chassis-mount with metallic product backplane
🔄 Speed Range: Switch-selectable ranges up to 11,450 Hz derived via MPU frequency input
🔌 Synchronizer Compatibility: Designed to interface directly with Woodward SPM-A synchronizers
🔌 External Trim Support: Equipped with terminals to accept external speed trim and bias signals
Operating Procedures & Usage Methods
🛠️ Securely mount the module onto its metallic backplane inside a protective industrial control panel or cabinet, ensuring proper vertical clearance for terminal connections and natural convection cooling.
🔧 Connect the magnetic pickup (MPU) speed sensor, current transformers, actuator lines, Woodward SPM-A synchronizer control lines, external speed trim potentiometer, and system power supply strictly according to the terminal wiring diagram.
📋 Adjust front-panel potentiometers (such as gain, reset, speed trim, and load droop/isochronous settings) alongside external trim components during initial calibration to achieve stable bus synchronization and load sharing.
Power Sequencing Guidelines
🔌 Startup Sequence: Energize the input power source to initialize internal control circuits, verify that MPU speed signals and external trim inputs stabilize within range, and confirm zero fault codes before enabling fuel or steam delivery to the prime mover.
🛑 Shutdown Sequence: Disable the actuator control loop or cut fuel/steam supply to bring the prime mover to a complete, safe stop prior to isolating the main system power feed.
Product Usage Instructions
📖 Integrate the unit with a Woodward SPM-A synchronizer to automatically match generator frequency and phase angle with the live bus prior to breaker closure.
📖 Utilize external speed trim inputs to make fine adjustments to the governor reference point from a remote control desk or automated power management system.
Frequently Asked Questions
💡 Q: What external devices is the 9907-024 model designed to work with? A: It is specifically engineered to operate alongside Woodward SPM-A synchronizers and external speed trim control sources.
💡 Q: What is the primary application of this controller? A: It governs prime mover speed, distributes active electrical load proportionally across parallel generators, and facilitates automated bus synchronization.
💡 Q: What governor series does this unit belong to? A: It is part of Woodward’s widely utilized 2301A analog load sharing and speed control product line.
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