DEMA CPM 311, User Manual

Page: 2 / 213

- 2 -
Index
1.
About DEMA
p.6
1.1.
General Information p.7
1.2.
Product Range p.9
1.3.
Contact Us p.10
2.
Introduction
p.11
2.1.
General Specifications & Advantages p.12
2.2.
Physical Introduction p.14
2.3. Protection and Reset Curves p.22
2.3.1.
IEC Protection Curves p.23
2.3.2.
IEC Thermal Overload Protection Curve p.25
2.3.3.
ANSI / IEEE Protection Curves p.26
2.3.4.
Custom Protection Curves p.28
2.3.5.
DMT: Definite Minimum Time Characteristic p.30
2.3.6.
RIDMT: Reset Inverse Definite Minimum Time Characteristics p.31
3.
Packing & Labeling Information
p.32
4.
Operating Manual
p.34
4.1.
General Principles p.35
4.2.
Mounting p.36
4.2.1.
Panel Cut-out p.36
4.2.2.
Mounting the Case p.37
4.2.3.
Mounting the Inner Unit and the Cover p.37
4.3.
Cabling p.38
4.3.1.
Cabling Diagram p.38
4.3.2.
Cabling Material p.42
4.4.
Setting p.43
4.4.1.
Example Setting and Calculation p.44
4.4.2.
Dip-switch Settings p.47
4.4.3.
Example Dip-switch Settings p.49
4.4.4.
Warnings p.49
4.5.
Commissioning p.50
4.6.
Operating p.51
4.6.1.
Normal Operation p.51
4.6.2.
Fault Diagnosis and Maintenance p.51
4.6.3.
Recommissioning p.51
4.7.
Testing & Maintenance & Reparation p.52
5.
Relay Menus Manual
p.53
5.1. Introduction p.54
5.2.
The Menu Tree p.55
5.3.
Reset Menu p.62
5.4. Circuit Breaker Monitoring and Control Menu p.64
5.5.
Settings Group Selection Menu p.65
5.6.
Protection and Control Settings Menu p.66
5.6.1.
I> Phase Overcurrent 1
st
Threshold Protection Menu p.67
5.6.2.
I>> Phase Overcurrent 2
nd
Threshold Protection Menu p.68
5.6.3.
I>>> Phase Overcurrent 3
rd
Threshold Protection Menu p.69
5.6.4.
I
e
> Earth Overcurrent 1
st
Threshold Protection Menu p.70
5.6.5.
I
e
>> Earth Overcurrent 2
nd
Threshold Protection Menu p.71
5.6.6.
I
e
>>> Earth Overcurrent 3
rd
Threshold Protection Menu p.72
5.6.7.
I
2
> Negative Sequence Overcurrent 1
st
Threshold Protection Menu p.73