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Electrical Installation Guide

General rules of electrical installation design 

This category presents the general rules for designing an installation and presents the involved IEC standards. It gives help in calculation of installed power loads.

Connection to the MV utility distribution network 

This chapter presents the main methods of connection to the MV utility distribution network.

Connection to the LV utility distribution network

This chapter presents the main methods of connection to the LV utility distribution network.

MV & LV architecture selection guide 

Given a particular building, we show how to select the right solution during pre-design and budget step: find a compromise between costs and ratings of the installation during its whole life cycle.

LV Distribution

Conception rules of an electrical installation. System earthings.

Protection against electric shocks 

This chapter explains how to determine protective devices in order to protect people from direct & indirect contacts and to protect equipments and goods from fire risks.

Sizing and protection of conductors 

Practical methods for conductor sizing and protection are given.

LV switchgear: functions & selection 

The basic functions of LV switchgear are described, as well as the selection rules for ensuring the protection coordination.

Protection against voltage surges in LV

The effects of lightning are described. Protective devices are proposed and implementation rules are given.

Energy Efficiency in electrical distribution

Power monitoring and control system contributes to global "energy efficiency". Such a system is of high benefice for the owner of an electrical network.

Power factor correction and harmonic filtering

This chapter explains how power factor correction is implemented in LV electrical installation. Practical examples are given.

Harmonic management

The origin and effects of harmonics are described. Measurement and filtering methods are proposed.

Characteristics of particular sources and loads

Specific sources and loads are studied: generators, inverters, induction motors, lighting circuits, LV/LV transformers...

Photovoltaic installations

Residential and other special locations

The specific intallations rules applicable to residential premises and some other locations are presented.

EMC guidelines

This chapter describes the basic rules for ensuring EMC: earthing principles, cable lay-out, wiring recommandations.