The GE Multilin UR Series is a robust, modular family of protection and control relays engineered to protect critical electrical infrastructure in industrial and utility environments. Built for flexibility and high performance, the UR Series offers advanced protection functions, extensive I/O options, integrated monitoring, and high-speed communication capabilities, making it a top choice for safeguarding electrical assets across complex systems.
Key Features
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Modular and Scalable Architecture
The UR Series provides a modular design, allowing users to configure various combinations of CPUs, analog and digital I/O modules, and communication interfaces to meet specific application demands. This flexibility supports custom setups for diverse protection requirements and enables seamless expansion as system needs evolve. -
Comprehensive Protection Functions
Equipped with sophisticated algorithms, the UR Series delivers robust protection options, including distance, differential, and overcurrent protection. These advanced functions ensure reliable, accurate performance across varying operating conditions, enhancing system resilience and minimizing downtime. -
High-Speed Communication
The UR Series features multiple communication ports and supports protocols like IEC 61850, DNP 3.0, and Modbus, ensuring seamless integration into SCADA and automation systems. This high-speed communication enhances system coordination and data exchange, crucial for responsive protection and control in real-time applications. -
FlexLogic™ Programmable Logic
FlexLogic™ enables the customization of protection and control schemes, reducing the need for additional auxiliary equipment. With programmable logic capabilities, users can develop tailored automation routines that enhance system efficiency while simplifying the overall setup.
Application Versatility
The GE Multilin UR Series is designed for extensive applications in high-stakes environments, including:
- Generator Protection – Effective protection for medium to large generators against faults and operational anomalies.
- Transformer Protection – Comprehensive shielding of transformers from internal and external faults.
- Transmission Line Protection – High-precision distance and differential protection for transmission networks.
- Feeder Protection – Reliable overcurrent and other protection features for distribution feeders.
Cybersecurity Integration
Built to meet stringent industry standards, the UR Series incorporates advanced cybersecurity features, including user authentication, role-based access control (RBAC), and secure communications. Compliance with NERC CIP and IEC 62443 standards ensures robust protection against cyber threats, enhancing operational security.
