ABB SYNPOL D CMA120 3DDE300400

Brand: ABB

Product Series: ABB Synpol D / Generator Protection & Excitation Control Systems

Model: CMA120 (Part Number: 3DDE300400 / 3DDE 300 400)

Product Type: Control Interface Board / Central Processing Module

ABB SYNPOL D CMA120 3DDE300400

Technical Parameters:

System Architecture: Embedded processing module engineered for direct slot insertion into ABB Synpol D generator protection and excitation control sub-racks.

Processing & Execution: Executes core excitation control logic, automatic voltage regulation (AVR) parameters, and system protection functions for synchronous generators.

Signal Processing & Channels: High-density multi-channel analog and digital I/O interface circuits for monitoring field voltage, current feedback, firing angle command execution, and status telemetry.

Communication Interfaces: Integrated high-speed internal backplane bus interface for fast communication with adjacent Synpol D control, display, and interface modules (such as CMA123, CMA130, and CMA131).

Galvanic Isolation & Shielding: High-grade optical and electrical isolation barriers built to prevent ground potential loops, isolate core processing logic from high-voltage line surges, and resist electromagnetic interference (EMI).

Diagnostic Telemetry: Integrated front-panel LED indicators providing real-time diagnostic monitoring for module power health, internal bus communication, active execution states, and system fault alerts.

Power Supply Input: Powered directly via the Synpol D system backplane supply with optimized power distribution and low thermal output.

Physical Profile: Industrial plug-in printed circuit board (PCB) assembly designed for secure slot mounting and toolless maintenance inside standard ABB Synpol D cubicles.

Industrial Sectors:

Electric Power Generation and Utilities, Marine Engineering and Shipboard Power Systems, Petrochemical and Chemical Refining, Heavy Metallurgy and Steel Production, and High-Voltage Electrical Substation Automation.

Application Scenarios:

1. Generator Excitation & Voltage Regulation: Installed inside ABB Synpol D excitation cubicles to manage generator field excitation, maintain automatic voltage regulation (AVR), and execute protection interlocks.

2. Marine Main Generator Control: Integrated into shipboard power management systems to provide precise, fast-response dynamic voltage control and automatic synchronization across ship generators.

3. Synchronous Motor Excitation Loops: Deployed within heavy industrial motor control centers to regulate field currents and maintain system stability under varying torque and mechanical load conditions.

4. Synpol D System Retrofit & Maintenance: Utilized as a direct drop-in replacement processing card within existing ABB Synpol D control sub-racks to preserve high operational availability and reliability.