Description
Technical Specifications
| Feature | Specification |
|---|---|
| Model | Synpol D CMA 120 |
| Modules Included | CMA131, CMA135, CMA132, CMA136 |
| Device Type | Generator Control and Protection System |
| Origin | Switzerland / EU |
| Weight | Approx. 7.5 kg |
| Dimensions | 240 mm x 172 mm x 185 mm |
| Supply Voltage | 24V DC (18 – 36V DC Range) |
| Measurement Inputs | 3-Phase Voltage & Current (CT Inputs) |
| Interface | RS-485 / CAN Bus Communication |
| Protection Class | IP20 (Rear) / IP54 (Front Panel) |
The ABB Synpol D CMA 120 is a comprehensive integrated control and protection system designed for synchronous generators in marine and industrial power plants. By utilizing modular components like the CMA131 for measurement and CMA135 for logic, the system provides high-precision automatic frequency and voltage regulation, load sharing, and synchronization. Its compact design replaces multiple discrete relays, offering a centralized solution for engine-generator management and electrical fault protection.
Product Q&A
Q: What are the specific roles of the CMA131 and CMA132 modules? A: In the Synpol D architecture, the CMA131 typically handles the primary AC measurement interfaces for voltage and current, while the CMA132 acts as an input/output expansion or specialized protection module to facilitate complex control logic.
Q: Does the CMA 120 support automatic load sharing between multiple generators? A: Yes, the Synpol D system is engineered for parallel operation. It can communicate with other units to perform active power (kW) and reactive power (kVAr) sharing, ensuring the stability of the entire electrical grid.
Q: How is the system programmed or configured for specific engine types? A: Configuration is performed through the front-panel interface or via specialized ABB software. Parameters such as PID settings for governors, alarm thresholds, and relay logic can be tailored to match the specific characteristics of the diesel engine or turbine.
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