• Format: Transparent
• Maximum channel delay
• Loop time <40 ms continuous (2 x 20 ms)
IED with echo synchronization of differential clock (without GPS clock)
• Both channels must have the same route with maximum asymmetry of 0,2-0,5 ms,
depending on set sensitivity of the differential protection.
• A fixed asymmetry can be compensated (setting of asymmetric delay in built in HMI
or the parameter setting tool PST).
IED with GPS clock
• Independent of asymmetry.
Section 25 1MRK 506 369-UUS -
Requirements
926 Line distance protection REL670 2.2 ANSI
Application manual
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