Technical Overview

The 9907-027 is a high-precision load sensing and management module developed by Woodward for synchronized power generation and complex industrial automation systems. This unit is specifically engineered to perform accurate real-time load measurement and facilitate proportional load sharing across multiple generator sets. By ensuring that every parallel unit carries its designated share of the total demand, the 9907-027 prevents engine overstressing and optimizes the operational efficiency of the entire power plant.

As an integral component of Woodward’s load control ecosystem, the 9907-027 is built to maintain system stability during transient load changes. It features dedicated adjustment potentiometers for droop and load gain, allowing field engineers to fine-tune the response characteristics of the governor system to match specific site requirements.

Detailed Technical Specifications

• Voltage Input Capability: Dual-range power input supporting 115V to 230V AC.

• Frequency Compatibility: Broad operational range from 50 Hz to 400 Hz, suitable for standard utility and specialized aerospace/marine applications.

• Control Power: Logic and auxiliary circuits operate on 18–32 VDC.

• Network Interfacing: Equipped with RS-485 and CAN bus protocols for seamless integration into modern digital control architectures.

• Manual Calibration: Integrated droop and load gain adjustments for precise system balancing.

• Wiring Interface: Secure screw clamp terminals for vibration-resistant field connections.

• Thermal Endurance: Engineered for extreme environments with an operating temperature range of -40°C to +70°C.

• Physical Profile: 27.2 cm x 21.2 cm x 5.8 cm.

• Weight and Origin: Approximately 1538g (3.39 lbs), manufactured in the USA.

Application and Installation

The 9907-027 is primarily utilized in standby power systems, co-generation plants, and marine vessel power management. Its versatile mounting design allows for either panel or rack installation, providing flexibility for different cabinet configurations. The unit’s ability to communicate via CAN bus makes it an ideal choice for engineers looking to transition from traditional analog load sharing to more robust, data-driven power management systems.