Woodward 9905-020 Load Sharing Speed Control

1.General Description

The Woodward 9905-020, also called the Woodward 2301A 9905-020, is a powerful electronic controller. Engine speed control and generator load sharing management achieve great accuracy in the design.

This unit is a Genuine Woodward Low Voltage 2301A Load Sharing and Speed Control solution. Part of Woodward's Part 9905-020 Controls and Indicators. This solution provides great quality and performance.

Designed for prime mover applications, the 9905-020 control features a high-performance tachometer, generator, and speed indicator, providing reliable monitoring and adjustment functions. It also supports key operational elements like minimum fuel control, deceleration ramp, actuator management, input power, emergency stop, and power supply stability.

The 9905-020 Woodward Low Voltage Load Sharing and Speed Control meets IEC standards. It is perfect for systems that need reliable synchronization and accurate control in industrial, marine, and power generation settings.

2.Technical Specifications of 9905-020

l Model: Woodward 2301A 9905-020 Control

l Input Voltage: 18–32 VDC (compatible with low-voltage systems, including 20–40 VDC ranges)

l Operating Temperature: –40°C to +85°C (equivalent to 40 to 185 degrees Fahrenheit)

l Frequency Range: 40–70 Hz

l Load Sharing Accuracy: ±1% of rated load

l Speed Regulation: ±0.25% of set speed

l Current Output: Supports 0–200 mA actuator outputs

l Communication Interface: Analog and digital I/O

l Enclosure Rating: NEMA 4X (weatherproof, corrosion-resistant)

l Dimensions: 12.5 × 9.5 × 4.5 inches

l Weight: 5.5 lbs

3.Detailed Features of 9905-020 controls & indicators from woodward

l Low Voltage 2301A Load Sharing & Speed Control: Efficiently regulates generator speed and synchronizes multiple units.

l High-Performance Tachometer & Generator Indicator: Ensures accurate speed and generator feedback.

l Load Sharing Function: Distributes generator load evenly across systems to prevent overload.

l Deceleration Ramp Control: Smoothly manages engine speed transition during shutdown.

l Minimum Fuel Contact Control: Prevents engine stalling and enhances stability.

l Individual Actuator Output: Provides precise 0–200 mA control for various actuators.

l Emergency Stop Integration: Supports safe and immediate shutdown procedures.

l Power Supply Compatibility: Operates reliably with 20–40 VDC low-voltage systems.

l Diagnostic Capabilities: Built-in tools for real-time troubleshooting.

l Rugged Construction: Built to meet IEC standards, providing long-term durability.

l User-Friendly Configuration: Easy setup for droop, speed, and load-sharing parameters.

4.Applications

The Woodward 9905-020 Low Voltage 2301A Load Sharing and Speed Control is widely used in:

l Power Generation: Generator synchronization and speed regulation.

l Marine Propulsion Systems: Stable speed control for marine engines.

l Oil & Gas Operations: Manages compressors and drilling equipment.

l Industrial Manufacturing: Controls prime movers in processing plants.

l Renewable Energy Systems: Supports hybrid integration and load balancing.

5.Installation

l Mounting

 Install the Woodward 9905-020 control in a ventilated, low-vibration location.

l Wiring

 Connect the input power (18–32 VDC / 20–40 VDC). Use shielded cables to reduce electrical noise.

l Sensor Connection

 Connect the high-performance tachometer/speed sensor to ensure accurate feedback.

l Configuration

 Set parameters for speed, load sharing, and deceleration ramp using the control interface.

l Testing

 Verify generator synchronization, speed stability, and load-sharing performance.

l Calibration

 Adjust actuator outputs, minimum fuel contact, and droop settings for optimal operation.

6.Related Part Numbers in the Same Series

l 2301A-9905-021

l 2301A-9905-022

l 2301A-9905-023

l 2301A-9905-024

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