Description

Woodward 9907-838 is a load sharing module(LSM)produced by Woodward Inc.The following is a detailed introduction to it:

1.Product Overview

Model:9907-838

Brand:Woodward

Type:Load Sharing Module(LSM)

2.Main Functions

The Woodward 9907-838 module is designed to provide isochronous and droop load sharing capabilities for engines in generator set applications.The module can be used with Caterpillar engines equipped with Caterpillar digital speed control and supports pulse width modulation(PWM)input.

Woodward 9907-838

3.Technical Specifications

Input:

Supports three-phase PT input and CT input.

The PT input voltage range is 95 to 130V AC(line to line).

The CT input requires 3 to 7A RMS at full load.

The DC power input voltage range is 18 to 32V DC.

Output:

Provides synchronous and droop load sharing capabilities.

Synchronous load sharing provides adjustment of the load on the generator,even when two or more generators are connected in parallel.

Droop load sharing provides output reduction between no-load and full-load conditions.

Communication interface:

Equipped with a communication interface,it can exchange data and communicate with other control systems for remote monitoring and control.

Operating temperature:

The operating temperature range is-40°F to 158°F(-40°C to 70°C).

Physical parameters:

The dimensions are 273.6mm x 59.2mm x 214.1mm(or 10.77 inches x 8.43 inches x 2.33 inches)and the weight is approximately 3.56kg(or 1398 grams),suitable for installation in control cabinets with limited space.

Woodward 9907-838

IV.Applications

The Woodward 9907-838 module is designed to process pulse width modulation inputs and allows integration of other Woodward components to achieve load sharing between engines while communicating with Woodward electronic controls.It is widely used in situations where generator sets need to run in parallel to provide stable power output,such as large data centers,hospitals,factories,etc.

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