Datakom DPR-400 - Voltage Protection (Ansi 27;59); Negative Sequence over Voltage (Ansi 47)

DPR-400 User Manual Rev_01 Firmware V-1.0
- 47 -
Parameter Definition
Description
Factory Setting
V< SET
Parameters for level 1 low voltage protection
Inactive
V<< SET
Parameters for level 2 low voltage protection
Inactive
V> SET
Parameters for level 3 low voltage protection
Inactive
V>> SET
Parameters for level 4 low voltage protection
Inactive
Parameter Definition
Unit
Min
Max
Factory
Setting
Description
Function
-
0
2
0
0: Inactive
1: Constant Time (DT)
2: Inverse Time (IEC S)
Voltage Setting
V
10
120
80
Threshold value for level 1 protection
Delay Timer
Sec
0.00
100.00
10.00
Time delay for level 1 protection. Used
for constant time protection.
TMS
-
0.5
100.0
1.0
Time multiplier for level 1 protection.
Used for inverse time protection.
Dead Phase Protection
INH
-
0
1
0
0: Inactive
1: Active
If the current and voltage values of a
phase are 0 simultaneously, voltage
protection for that phase is disabled.
Measurement Method
-
0
1
0
0: Phase-Phase
1: Phase-Neutral
Operation Method
-
0
1
0
0: Any phase
1: 3 phases simultaneously
Parameter Definition
Description
Factory Setting
V2> SET
Parameters for negative sequence voltage
protection
Inactive
Parameter Definition
Unit
Min
Max
Factory
Setting
Description
Function
-
0
1
0
0: Inactive
1: Constant Timer (DT)
Voltage Setting
V
10
120
80
Threshold value for level 1 protection
Delay Timer
Sec
0.00
100.00
10.00
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)