DEMA 400 Series User Manual

6
4.3.2.7.7 Reset Delay ............................................................................................. 74
4.3.2.7.8 RTMS .................................................................................................... 74
4.3.3 Voltage Protection Settings ------------------------------------------------------------ 74
4.3.3.1 59  Over voltage Protection .................................................................................. 75
4.3.3.1.1 Protection ................................................................................................ 76
4.3.3.1.2 Start Value .............................................................................................. 76
4.3.3.1.3 Operate Delay ........................................................................................ 76
4.3.3.1.4 Reset Delay ............................................................................................ 76
4.3.3.1.5 Hysteresis ............................................................................................... 77
4.3.3.1.6 Measurement Mode ............................................................................... 77
4.3.3.1.7 Phase Operation Mode ............................................................................ 77
4.3.3.2 27- Under Voltage Protection ................................................................................. 77
4.3.3.2.1 Protection ............................................................................................... 79
4.3.3.2.1 Start Value .............................................................................................. 79
4.3.3.2.3 Operate Delay ......................................................................................... 79
4.3.3.2.4 Reset Delay ............................................................................................ 79
4.3.3.2.5 Inhibit on U< ......................................................................................... 79
4.3.3.2.6 U< Locking Level .................................................................................. 79
4.3.3.2.7 Hysteresis ............................................................................................... 80
4.3.3.2.8 Measurement Mode ................................................................................ 80
4.3.3.2.9 Phase Operation Mode ............................................................................ 80
4.3.3.3 47 Negative Sequence Over Voltage Protection ................................................... 80
4.3.3.3.1 Protection ............................................................................................... 81
4.3.3.3.2 Start Value ............................................................................................. 81
4.3.3.3.3 Operate Delay ......................................................................................... 81
4.3.3.3.4 Reset Delay ............................................................................................ 81
4.3.3.3.5 Hysteresis ............................................................................................... 82
4.3.3.4 59N  Notr Over Voltage Protection ...................................................................... 82
4.3.3.4.1 Protection ............................................................................................... 83
4.3.3.4.2 Start Value .............................................................................................. 83
4.3.3.4.3 Operate Delay ......................................................................................... 83
4.3.3.4.4 Reset Delay ............................................................................................ 83
4.3.3.4.5 Hysteresis ................................................................................................ 84
4.3.4 Frequency Protection Settings ---------------------------------------------------------- 84
4.3.4.1 81U  Under Frequency Protection ......................................................................... 85

DEMA 400 Series Specifications

General

Brand	DEMA
Model	400 Series
Category	Relays
Language	English