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| Place of Origin: | Finland |
| Brand Name: | ABB |
| Certification: | COO & COC |
| Model Number: | RDCU-12C 3AUA0000036521 |
RDCU-12C ABB 3AUA0000036521 High-performance Extended Control Unit 24VDC 3P
The ABB RDCU-12C is a rugged, intelligent Remote Digital Control Unit (RDCU) designed for high-voltage (HV) and extra-high-voltage (EHV) substation automation, particularly in applications involving HVDC (High-Voltage Direct Current) and FACTS (Flexible AC Transmission Systems) such as Static VAR Compensators (SVC) and STATCOMs. As part of ABB’s MACH™ control system architecture, the RDCU-12C provides reliable, real-time monitoring, protection, and control of thyristor-based power electronics at the valve level—ensuring grid stability, fast response to disturbances, and seamless integration with utility SCADA systems.
Housed in a compact, industrial-grade enclosure, the RDCU-12C features high-speed fiber-optic communication, redundant power inputs, and advanced diagnostics. It interfaces directly with thyristor valves, gate drive units, and cooling systems, executing precise firing angle control while continuously monitoring voltage, current, temperature, and fault conditions. With support for IEC 61850, Modbus, and DNP3, it enables interoperability in modern digital substations compliant with global smart grid standards.
Product Overview: ABB RDCU-12C
| Manufacturer | ABB |
| Product Family | MACH™ Control System / FACTS & HVDC Automation |
| Model Number | RDCU-12C |
| Device Type | Remote Digital Control Unit (Valve-Level Controller) |
| Primary Application | Thyristor valve control in SVC, STATCOM, and HVDC converter stations |
| Processor | High-performance embedded real-time controller |
Product details pictures
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