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Woodward 9907-023 Load Sharing and Speed Control Module

Woodward 9907-023 Load Sharing and Speed Control Module

Product Description

The Woodward 9907-023 is a high-performance electronic control module from the 2301A series, designed for the management of diesel engines, gas engines, or steam turbines. This unit provides precision speed governing and automatic load sharing. By monitoring generator output and engine speed via...

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Availability: Low stock: 99 left

SKU: 9907-023
Vendor: Woodward
Category: Speed Control Module
Related Series:

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Product Description

The Woodward 9907-023 is a high-performance electronic control module from the 2301A series, designed for the management of diesel engines, gas engines, or steam turbines. This unit provides precision speed governing and automatic load sharing. By monitoring generator output and engine speed via a magnetic pickup (MPU), the 9907-023 ensures multiple prime movers operate in parallel, distributing the total electrical load evenly across all units, thus preventing system instability.

The 9907-023 is ideal for high-voltage applications (115 or 230 VAC input) and is housed in a rugged open-chassis frame for installation within a control cabinet. Using analog circuitry, it offers fast response times to load changes, making it vital for microgrids, marine vessels, and industrial power plants requiring seamless synchronization and grid stability.

Detailed Technical Specifications

Specification Details
Model Designation 9907-023
Series 2301A Load Sharing and Speed Control
Input Voltage 115/230 VAC (Switch-selectable or hard-wired)
Speed Sensing High-impedance Magnetic Pickup (MPU)
Load Sharing Interface 0–3 VDC load sharing lines
Actuator Output 0–200 mA (For Woodward proportional actuators)
Control Features Isochronous and Droop speed control modes
Adjustments Potentiometers for Gain, Stability, Low Idle, and Rated Speed
Chassis Construction Heavy-duty aluminum base for thermal dissipation
Dimensions 25.1 cm x 17 cm x 10 cm
Weight 1.35 kg

Application Scenarios

The 9907-023 is commonly used in remote power stations for paralleling multi-engine generator sets. It is frequently employed in marine propulsion and auxiliary power systems, where engines must share the load to avoid "reverse power" conditions that could trip circuit breakers.

Engineering FAQ

Can this module be used in a single-engine (isochronous) application?

Yes, the 9907-023 can operate as a standalone speed governor, maintaining a constant frequency regardless of load variations on the engine.

Is this compatible with 24V DC systems?

No, the 9907-023 is AC-powered. For 24V DC systems, a different part number from the 2301A Low Voltage series would be needed.

How does it handle "Droop" operation?

When the "Droop" contact is closed, the 9907-023 allows the speed to decrease slightly as the load increases. This is essential when paralleling with an infinite utility grid to ensure stable operation.