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Technical Data
This chapter lists the technical data of the SIPROTEC 4 device 7SD5 and its individual functions, including the
limit values that must not be exceeded under any circumstances. The electrical and functional data of fully
equipped devices are followed by the mechanical data, with dimensional drawings.
4.1
General
4.2
Protection Data Interfaces and differential protection topology
4.3
Differential Protection
4.4
Restricted Earth Fault Protection
4.5
Breaker Intertrip and Remote Tripping- Direct Local Trip
4.6
Distance Protection (optional)
4.7
Power Swing Detection (with impedance pickup) (optional)
4.8
Teleprotection for Distance Protection (optional)
4.9
Earth Fault Protection in Earthed Systems (optional)
4.10
Teleprotection for Earth Fault Protection (optional)
4.11
Weak Infeed Tripping (classical/optional)
4.12
Weak Infeed Tripping (French Specification/optional)
4.13
Direct Remote Trip and Transmission of Binary Information
4.14
Instantaneous High-Current Switch-onto-Fault Protection (SOTF)
4.15
Earth fault detection in a non-earthed system
4.16
Backup Time Overcurrent Protection
4.17
Automatic Reclosure Function (optional)
4.18
Synchronism and Voltage Check (optional)
4.19
Undervoltage and Overvoltage Protection (optional)
4.20
Frequency Protection (optional)
4.21
Fault Locator
4.22
Circuit Breaker Failure Protection
4.23
Thermal Overload Protection
4.24
Monitoring Functions
4.25
User-defined Functions (CFC)
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
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