Siemens SIPROTEC 5 7SL82 Distance Protection Relay
The SIPROTEC 7SL82 Distance Protection Relay is a high-performance line differential and distance protection solution designed for medium and high-voltage power systems. Equipped with 4xI and 4xV inputs and 3-pole tripping, it delivers precise and reliable protection for industrial and utility networks in Mumbai.
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Ideal for engineers and power system professionals, this relay ensures fast tripping and accurate fault detection, making it perfect for safeguarding critical infrastructure. Trusted by local suppliers and industrial clients, the SIPROTEC 7SL82 Distance Protection Relay combines technical excellence with ease of integration, offering flexible configuration options and compatibility with advanced communication networks.
Main function
- Differential and Distance Protection for medium- and subtransmission
- Interoperability of SIPROTEC 5 and SIPROTEC 4 line protection devices
Tripping
- 3-pole, min. tripping time 19 ms
Inputs and outputs
- 4 current transformers
- 4 voltage transformers (optional)
- 11 or 23 binary inputs
- 9 or 16 binary outputs
Hardware flexibility <ul>
- Various hardware quantity structures are available for binary inputs and outputs in the 1/3 base module, it is not possible to add 1/6 expansion modules, available with large and small display
Housing width
- 1/3 × 19 inches
As standard:
- Conformal coating
Application
- Line protection for all voltage levels with 3-pole tripping</li>
- Phase-selective protection of overhead lines and cables with single-ended and multi-ended infeed of all le
- ngths with up to 6 line ends
- Transformers and compensating coils in the protection zone
- Detection of ground faults in isolated or arc-suppression-coil-ground power systems in star, ring, or meshed arrangement</li>
- Serial protection communication with SIPROTEC 5 and SIPROTEC 4 devices over different distances and physical media, such as optical fiber, two-wire connections,
- and communication networks
- Phasor Measurement Unit (PMU)
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>Whether you are looking to upgrade existing protection systems or implement a new solution. The SIPROTEC 5 7SL82 Distance Protection Relay provides reliable performance, robust safety features, and local availability in Mumbai for seamless deployment and support.






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