Thytronic DMC3S - Back-Up Time

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DMC3S - Manual - 08 - 2021
— Back-up Time
For each threshold, programmed with an definite time characteristic, of the following directional
protection functions:
• 32P
• 67
• 67N
the Back-up Time can be set.
Example: directional current function first threshold back-up time (e.g.: trPD>def), the parameter
is in the menu Set \ Protections \ Maximum directional current - 67 \ Threshold IPD> \ Definite time.
The back-up time is included in the logic of the selective block, the operation of which is described
elsewhere.