Description

Woodward 9907-019 – 2301A Load Sharing and Speed Control

Product Overview

The Woodward 9907-019 is a low-voltage 2301A Load Sharing and Speed Control unit used for prime-mover and generator speed regulation. It is a reverse-acting controller designed for individual actuator applications and operates from a 20–40 VDC supply. Available technical references identify an actuator-current range of 0–200 mA and a 2–6 kHz speed-signal frequency range. The controller can regulate engine or turbine speed and support load-sharing functions in compatible generator systems. It uses a shielded cable for the speed signal, and its reverse-acting behavior is important when configuring fuel or actuator response following loss of the speed signal. The unit is primarily relevant to legacy Woodward governor installations and should be matched carefully to the actuator and prime-mover control scheme.

Technical Specifications — 9907-019

The dimensional, weight, temperature, reverse-acting, and electrical data are reported in available technical references for this exact part number.

Woodward 9907-019

Key Features and Benefits — 9907-019

• Low-voltage 2301A governor configuration for industrial prime movers.
• Reverse-acting output behavior for compatible fuel or actuator arrangements.
• 20–40 VDC supply range.
• 0–200 mA actuator control output.
• Suitable for individual actuator systems.
• Speed sensing uses the specified 2–6 kHz frequency range.
• Shielded speed-signal wiring helps reduce electrical interference.
• Applicable to generator sets, engines, steam turbines, and other compatible prime movers.

A key maintenance point is the reverse-acting configuration. Incorrect interpretation of actuator direction can produce an unsafe response during loss-of-speed or shutdown conditions, so the original governor scheme should be checked before commissioning.

Related Models

Woodward 9907-018 — Related low-voltage 2301A load-sharing and speed-control version with different control characteristics.

Woodward 9907-021 — Reverse-acting 2301A load-sharing and speed-control model for a different application configuration.

Woodward 9907-023 — 2301A controller supporting individual or dual-actuator installations.

Woodward 8271-444 — Related governor-controller reference sharing the same NSN 6110-01-485-7880 as this controller.

Installation and Maintenance — 9907-019

Before replacement, isolate the governor power supply and follow the prime-mover manufacturer’s shutdown and lockout procedures. Record the actuator wiring, speed-sensor type, signal frequency, potentiometer settings, and load-sharing connections before removing the original unit.

Inspect the speed-signal shield, terminals, actuator wiring, and controller enclosure for mechanical or electrical damage. After installation, verify speed pickup, actuator direction, start-fuel behavior, and load response under controlled conditions. Personally, I would confirm the reverse-acting configuration against the original control philosophy before applying a replacement.

Product Warranty — 9907-019

Warranty coverage depends on supplier, condition, testing status, and purchase agreement. For used or refurbished units, request functional-test information covering power-up, speed sensing, actuator output, and load-sharing functions. The Woodward 9907-019 should be matched to the installed actuator, speed pickup, supply voltage, and generator or turbine control architecture before commissioning.