WOODWARD SPM-D11 8440-1706B

Description

Product Specification:WOODWARD SPM-D11 8440-1706B

1.Product Description

The WOODWARD SPM-D11 8440-1706B is a microprocessor-based synchronization and load-sharing controller designed for single-phase or three-phase AC generators.Built for compatibility with WOODWARD and third-party governors and voltage regulators,it ensures seamless integration into power generation systems.Key functions include frequency/phase matching,voltage regulation,load distribution,and generator protection.Its modular design and user-friendly interface make it ideal for both standalone and parallel operation scenarios.

2.Product Parameters

Parameter Specification

Input Voltage 12/24 VDC(SPM-D11/LSR),18–250 VAC/DC(SPM-D11/LSXR)

Power Consumption≤18W

Operating Temperature-40°C to 70°C(-40°F to 158°F)

Input Signals 2-phase voltage,1-phase current

Output Signals Analog(0–5V,4–20mA)or PWM(500Hz)

Control Interfaces RS-485(Modbus RTU),Ethernet(Modbus TCP)

Dimensions 264×461×58 mm

3.Advantages and Features

Precision Synchronization:Automatically matches frequency,phase,and voltage for reliable grid connection.

Flexible Load Management:Supports load sharing,power factor control,and soft unloading to prevent abrupt system changes.

Comprehensive Protection:Includes over/under-voltage,frequency,and reverse power protection(ANSI 59/27,81O/U,32R/F).

Dual Configuration Options:Configurable via front-panel LCD or PC software(LeoPC),with multi-level password protection.

CE and UL/CSA Certified:Ensures compliance with international safety and performance standards.

4.Application Areas and Case Studies

Power Generation:Optimizes load distribution in diesel,gas,or steam turbine generators.

Industrial Automation:Controls rotating equipment like pumps and compressors.

Marine Systems:Manages auxiliary power units on ships.

Case Study:

A WOODWARD SPM-D11 8440-1706B installed in a 10 MW gas-fired power plant reduced synchronization time by 30%and improved load-sharing accuracy to±2%,enhancing grid stability and operational efficiency.

5.Competitive Comparison

Compared to similar controllers,the SPM-D11 8440-1706B offers:

Higher Input Voltage Range:Supports both low-and high-voltage systems.

Enhanced Communication:Integrates Ethernet for remote monitoring and Modbus TCP/RTU for seamless DCS/PLC integration.

Cost-Effective Design:Reduces hardware complexity with combined synchronization and load control in a single unit.

6.Selection Recommendations

System Compatibility:Verify voltage/current ratings and communication protocols with existing equipment.

Environmental Conditions:Ensure the operating temperature range matches site requirements.

Scalability:Choose the SPM-D11/LSXR variant for analog control flexibility in complex systems.

7.Precautions

Installation:Follow wiring diagrams to avoid short circuits;use shielded cables for analog signals.

Maintenance:Regularly update firmware and inspect terminals for loose connections.

Safety:Disconnect power before accessing internal components.

Shanxi Xinyeda International Trade Co., Ltd. is your trusted partner. We offer sales and technical support for the WOODWARD 8200 – 1312 and other automation spare parts. Please visit our  website www.xydcontrol.com or contact us, and we will serve you whole – heartedly.