DPR-400 User Manual Rev_01 Firmware V-1.0
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Parameters for level 1 low voltage protection
Parameters for level 2 low voltage protection
Parameters for level 3 low voltage protection
Parameters for level 4 low voltage protection
0: Inactive
1: Constant Time (DT)
2: Inverse Time (IEC S)
Threshold value for level 1 protection
Time delay for level 1 protection. Used
for constant time protection.
Time multiplier for level 1 protection.
Used for inverse time protection.
Dead Phase Protection
INH
0: Inactive
1: Active
If the current and voltage values of a
phase are 0 simultaneously, voltage
protection for that phase is disabled.
0: Phase-Phase
1: Phase-Neutral
0: Any phase
1: 3 phases simultaneously
Parameters for negative sequence voltage
protection
0: Inactive
1: Constant Timer (DT)
Threshold value for level 1 protection
Time delay for level 1 protection.
Used for constant time protection.
12.10. VOLTAGE PROTECTION (ANSI 27/59)
12.11. NEGATIVE SEQUENCE OVER VOLTAGE (ANSI 47)