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Differential and distance protection
Implement combined line differential and distance protection for MV and HV systems. Ensure interoperability between SIPROTEC 5 and 4 devices for integration and across diverse applications.
Why SIPROTEC 7SL82?
SIPROTEC 7SL82 provides combined line differential and distance protection for cost-effective and compact protection of lines in medium-voltage and high-voltage systems.
Protect your electrical infrastructure from various faults, including transformer errors, current-transformer saturation and capacitive charging currents. Our adaptive differential protection algorithm delivers higher sensitivity and stability.
Ensure high availability even under tough environmental conditions with conformal coating on electronic boards. Configure all functions using the flexible DIGSI 5 engineering tool.
Key benefits
Reduce costs
Secure your medium-voltage and high-voltage systems to reduce project expenses and simplify installation with a compact, low-cost solution for line differential and distance protection.
Withstand harsh conditions
Rely on conformal coating on electronic boards for high availability in extreme conditions and continuous, reliable operation.
Simplify device and software handling
Handle devices and software easily with user-friendly design. Streamline configuration and management tasks with intuitive interfaces to reduce training time and errors.
Featured capabilities
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Adaptive protection algorithm
Achieve high sensitivity and stability with an adaptive algorithm for differential protection despite transformer errors and CT saturation. Choose distance-protection functions for backup or main protection for reliable grid operation.
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Cybersecurity functions
Implement cybersecurity with role-based access control and secure event logging. Use signed firmware and authenticated network access via IEEE 802.1X for system defense.