Schneider Electric - Electrical installation guide 2009
D
© Schneider Electric - all rights reserved
Chapter D
MV & LV architecture selection
guide
Contents
Stakes for the user
D3
Simplified architecture design process
D4
2.1 The architecture design
D4
2.2 The whole process
D5
Electrical installation characteristics
D7
3.1 Activity
D7
3.2 Site topology
D7
3.3 Layout latitude
D7
3.4 Service reliability
D8
3.5 Maintainability
D8
3.6 Installation flexibility
D8
3.7 Power demand
D8
3.8 Load distribution
D9
3.9 Power interruption sensitivity
D9
3.10 Disturbance sensitivity
D9
3.11 Disturbance capability of circuits
D10
3.12 Other considerations or constraints
D10
Technological characteristics
D
4.1 Environment, atmosphere
D11
4.2 Service Index
D11
4.3 Other considerations
D12
Architecture assessment criteria
D3
5.1 On-site work time
D13
5.2 Environmental impact
D13
5.3 Preventive maintenance level
D13
5.4 Availability of electrical power supply
D14
Choice of architecture fundamentals
D5
6.1 Connection to the upstream network
D15
6.2 MV circuit configuration
D16
6.3 Number and distribution of MV/LV transformation substations
D17
6.4 Number of MV/LV transformers
D18
6.5 MV back-up generator
D18
Choice of architecture details
D9
7.1 Layout
D19
7.2 Centralized or distributed layout
D20
7.3 Presence of an Uninterruptible Power Supply (UPS)
D22
7.4 Configuration of LV circuits
D22
Choice of equiment
D24
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5
6
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Schneider Electric - Electrical installation guide 2009
D - MV & LV architecture selection guide
D2
© Schneider Electric - all rights reserved
Recommendations for architecture optimization
D26
9.1 On-site work time
D26
9.2 Environmental impact
D26
9.3 Preventive maintenance volume
D28
9.4 Electrical power availability
D28
Glossary
D29
ID-Spec software
D30
Example: electrical installation in a printworks
D3
12.1 Brief description
D31
12