DEMA 400 Series User Manual page 6

4.3.2.7.7
4.3.2.7.8
4.3.3 Voltage Protection Settings ------------------------------------------------------------ 74
59 - Over voltage Protection .................................................................................. 75
4.3.3.1
4.3.3.1.1
4.3.3.1.2
4.3.3.1.3
4.3.3.1.4
4.3.3.1.5
4.3.3.1.6
4.3.3.1.7
4.3.3.2 27- Under Voltage Protection ................................................................................. 77
4.3.3.2.1
4.3.3.2.1
4.3.3.2.3
4.3.3.2.4
4.3.3.2.5
4.3.3.2.6
4.3.3.2.7
4.3.3.2.8
4.3.3.2.9
47 -Negative Sequence Over Voltage Protection ................................................... 80
4.3.3.3
4.3.3.3.1
4.3.3.3.2
4.3.3.3.3
4.3.3.3.4
4.3.3.3.5
59N - Notr Over Voltage Protection ...................................................................... 82
4.3.3.4
4.3.3.4.1
4.3.3.4.2
4.3.3.4.3
4.3.3.4.4
4.3.3.4.5
4.3.4 Frequency Protection Settings ---------------------------------------------------------- 84
81U - Under Frequency Protection ......................................................................... 85
4.3.4.1
Reset Delay ............................................................................................. 74
RTMS .................................................................................................... 74
Protection ................................................................................................ 76
Start Value .............................................................................................. 76
Operate Delay ........................................................................................ 76
Reset Delay ............................................................................................ 76
Hysteresis ............................................................................................... 77
Measurement Mode ............................................................................... 77
Phase Operation Mode ............................................................................ 77
Protection ............................................................................................... 79
Start Value .............................................................................................. 79
Operate Delay ......................................................................................... 79
Reset Delay ............................................................................................ 79
Inhibit on U< ......................................................................................... 79
U< Locking Level .................................................................................. 79
Hysteresis ............................................................................................... 80
Measurement Mode ................................................................................ 80
Phase Operation Mode ............................................................................ 80
Protection ............................................................................................... 81
Start Value ............................................................................................. 81
Operate Delay ......................................................................................... 81
Reset Delay ............................................................................................ 81
Hysteresis ............................................................................................... 82
Protection ............................................................................................... 83
Start Value .............................................................................................. 83
Operate Delay ......................................................................................... 83
Reset Delay ............................................................................................ 83
Hysteresis ................................................................................................ 84
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