Electrical installation guide: Schneider Electric M, N technical solutions and Appendix
Download Chapters M, N and Appendix, pdf (6035 Kb)
Section M. Special power sources and loads
1. Protection of the low-voltage generator set and the outgoing circuits
1.1 Generator Protection
1.2. Protection of the outgoing low-voltage networks
1.3 Monitoring functions
1.4 Parallel connection of generating set
2. Uninterruptible Power Supplies
2.1 Power availability and quality
2.2 Types of static UPS
2.3 Rechargeable batteries
2.4 Grounding scheme for objects with UPS sources
2.5 Selection of protection schemes
2.6 Installation, connection and selection of cable power
2.7 UPS Sources and Associated Equipment
2.8 Additional equipment
3. Protection of low / low voltage transformers
3.1 Magnetization current of the transformer upon switching on
3.2 Protection of power circuits of a low / low voltage transformer
3.3 Typical electrical characteristics of low / low voltage transformers 50 Hz
3.4 Protection of low / low voltage transformers using Merlin Gerin switches
4. Lighting chains
4.1 Various lamp manufacturing techniques
4.2 Electrical characteristics of lamps
4.3. Limitations associated with lighting devices and recommendations
4.4. Illumination of public places
5. Induction motors
5.1 Functions of the motor circuit
5.2 Standards
5.3 Areas of Application
5.4 Maximum engine power for consumers with low-voltage power
5.5 Reactive power compensation (power factor compensation)
Section N. Cottages, residential and special premises
1. Accommodation and cottages
1.1 General information
1.2 Elements of switchboards
1.3 Protection of people
1.4 Electrical circuits
1.5 Overvoltage and lightning protection
2. Bathrooms and shower rooms
2.1 Delineation into zones
2.2 Equipotential bonding
2.3 Requirements for each zone
3. Tips for the installation of electrical installations for various rooms and areas of expansion
Applications. Recommendations for ensuring electromagnetic compatibility
1. Electricity distribution schemes
2. Principles and design of grounding systems
3. Construction
3.1 Equipotential connections inside and outside buildings
3.2 Improving equipotentiality conditions
3.3 Separation of cables
3.4 Raised floors
3.5 Cable management
3.6 Application of shielded cables
3.7 Communication Networks
3.8 Overvoltage arresters
3.9 Standards
4. Mechanisms of electromagnetic coupling and countermeasures
4.1 General
4.2 In-phase communication (communication through the internal resistance of the power supply)
4.3 Capacitive coupling
4.4 Inductive coupling
4.5 Communication by radiation
5. Recommendations for electrical wiring
5.1 Classes of signals
5.2 Wiring recommendations
Most industrial and large commercial electrical installations include a number of important electrical receivers, the supply of which must be provided even in the event of a power failure from the mains:
Or as they are tied to safety systems (emergency lighting, automatic fire protection system, smoke removal, alarm devices, etc.) or because they are related to priority circuits, for example, certain equipment, the stop of which leads to production loss or exit Out of machine tools, etc.
One way to provide power to so-called "priority" electric receivers in the event of failure of other power supplies is to install a diesel generator set connected via a switch to the emergency power distribution switchboard, from which priority power supplies are supplied (see Figure M1). ..
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