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DEMA 400 Series User Manual
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31
4.2.3
All Fundamental Measurements
All basic component measurements page of the device shows the c
urrent, voltage and
frequency values obtained by harmonizing the measurement data of the line to which it is
connected. The display on the device is read-only; does not allow data entry
.
Image 4-5 : All Fundemental Measurements
30
32
Table of Contents
Default Chapter
2
Table of Contents
2
1 Introduction
16
2 General Characteristics of 400 Series Relays
19
General Features of 400 Series Relays
19
3 Physical Properties of 400 Series Relays
20
Power LED
21
Device Label
22
Circuit Diagram
23
Case Earthing Continuity Contact
24
Unit Terminal Blocks
25
Mounting Screws for the Cover
26
4 Main Menu
27
Informations
28
Input Monitoring
30
All Fundamental Measurements
31
All RMS Measurements
32
RMS Currents
33
Phase-Phase Voltages
34
Thermal Overload
35
Power Measurements
36
LED States
37
Instant Max Currents
38
Demand Measurements
39
Analog Ma Input
40
Protection and Reset Curves
42
IEC Inverse Time Protection Curves
43
IEC Thermal Overload Protection Curves
45
ANSI / IEEE Inverse Time Protection Curves
47
Custom Protection Curves
48
Definite Time Protection and Reset Delays ( DMT )
51
Inverse Definite Time Reset Curves ( IDMT )
52
Current Protection Settings
53
P – Phase Overcurrent Protection
54
Protection
55
Reset Delay
56
Protection
57
Start Value
58
Reset Delay
59
Protection
60
Trip Θ
61
Alarm Θ
62
Protection
63
Start Value
64
Reset Delay
65
Measurement Mode
66
Protection
67
Operate Delay
68
Rtms
69
Protection
70
Start Value
71
Negative Sequence Overcurrent Protection
72
Protection
73
Reset Delay
74
Over Voltage Protection
75
Protection
76
Hysteresis
77
Protection
79
Hysteresis
80
Protection
81
Hysteresis
82
Protection
83
Hysteresis
84
U – under Frequency Protection
85
Protection
86
Hysteresis
87
Protection
88
Hysteresis
89
Protection
90
Operate Delay
91
OP – Directional Active over Power
92
Protection
93
Direction Angle
94
Protection
95
Direction Angle
96
Protection
97
Start Value
98
Protection
99
Direction Angle
100
N – Wattmetric Earth Protection
101
Protection
102
Hysteresis
103
Number of Valid
104
Cold Load Pickup
105
System Settings
106
Function Symbol
107
Date-Time
108
LCD Lighting Time
109
Main Screen Measurement
110
General Options
111
Measurement Settings
112
Time Synchronization
113
Alarm Settings
115
Communication Settings
116
Recordings
117
Active Functions
118
4
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DEMA 400 Series Specifications
General
Brand
DEMA
Model
400 Series
Category
Relays
Language
English
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