The SEL-351S is a protection system designed for industrial and utility feeder applications, offering comprehensive feeder and overcurrent protection. This manual provides a detailed guide on the installation, operation, and maintenance of the SEL-351S.
The SEL-351S is a relay meter control fault locator that provides advanced protection features, including Mirrored Bits communications, IEEE C37.118 synchrophasors, and expanded operator controls. The system is designed to enhance the quality of service while reducing costs.
- Comprehensive feeder and overcurrent protection
- Advanced communication features, including Mirrored Bits and IEEE C37.118 synchrophasors
- Expanded operator controls for improved system management
Installation
The installation of the SEL-351S requires careful planning and attention to detail. The system must be installed in accordance with the manufacturer’s instructions and relevant industry standards.
- Mounting and wiring the SEL-351S
- Connecting the system to the power source and communication networks
- Configuring the system settings and parameters
Overcurrent, Voltage, Synchronism Check, Frequency, and Power Elements
The SEL-351S provides advanced protection features, including overcurrent, voltage, synchronism check, frequency, and power elements. These features enable the system to detect and respond to a wide range of fault conditions.
The system’s overcurrent protection feature provides fast and accurate detection of overcurrent conditions, while the voltage and synchronism check features ensure that the system operates within safe voltage and frequency limits.
Loss-of-Potential, Load Encroachment, and Directional Element Logic
The SEL-351S also provides advanced protection features, including loss-of-potential, load encroachment, and directional element logic. These features enable the system to detect and respond to complex fault conditions, including loss of potential and load encroachment.
The system’s directional element logic provides advanced protection against faults, including phase and ground faults.
Trip and Target Logic
The SEL-351S provides advanced trip and target logic, enabling the system to respond quickly and accurately to fault conditions; The system’s trip logic provides fast and reliable detection of fault conditions, while the target logic enables the system to identify and isolate the fault location.
The SEL-351S instruction manual provides a comprehensive guide to the installation, operation, and maintenance of the SEL-351S protection system. By following the instructions and guidelines outlined in this manual, users can ensure safe and reliable operation of the system, and optimize its performance to meet their specific needs.
Additional Resources
For additional information on the SEL-351S, including technical specifications and application notes, please refer to the manufacturer’s website or contact their technical support team.
Revision History
This manual is subject to revision and update. Please check the manufacturer’s website for the latest version of the manual and any updates or revisions.