SiePortal

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eClass 6
eClass 9
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Drive technology
Automation technology
Energy
- Low-voltage - Power distribution
- Medium-voltage - Power distribution
- Energy Automation and Smart Grid
  - Protection
    - SIPROTEC 5
    - SIPROTEC 5 - Universal protection relays
    - SIPROTEC 4 Compact
    - SIPROTEC 4
      - Overcurrent and motor protection
      - Distance protection
      - Line differential protection
        SIPROTEC 7SD5 - 4xI 4xV, text or graphical display, up to 6 ends, distance protection, 1-/3-pole tripping
        SIPROTEC 7SD610 - 4xI, text display, 1-/3-pole tripping
      - Line differential and distance protection
      - Breaker management
      - Transformer differential protection
      - Motor and generator protection
      - Paralleling device
      - High speed busbar transfer device
      - Busbar protection
      - Bay controller
      - DIGSI 4 - Software for SIPROTEC 4
    - Reyrolle
    - Reyrolle 5
    - Software for protection
    - Accessories for protection
    - Consulting Services
  - Substation Automation
  - Power Quality and Measurement
  - Telecommunication Products
  - Accessories
- Electrical Services
Building Technologies
Low-Voltage controls and distribution
Market-specific solutions
Services
Software
... and everything else you need

Configurator Overview

Line differential protection

Product Information

The SIPROTEC 7SD610 and SIPROTEC 7SD5 line differential protection have been designed particularly for the selective protection of overhead lines and cables with single-ended and multi-ended infeed in medium-voltage and high-voltage systems. Transformers and compensating coils in the protection range are also possible. The SIPROTEC 7SD5 is also available as combined line differential and distance protection device. With the high-performance DIGSI 4 engineering tool, the SIPROTEC 4 devices offer user friendly system solutions for protection, automation and with high field experience and security.

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Line differential protection

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Line differential protection