Electrical installation guide: Schneider Electric technical solutions Chapters B, C
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Foreword
The proposed manual is intended for electrical engineers engaged in the design, installation, inspection or operation of electrical installations.
Which technical solution ensures that all relevant safety regulations are observed? This issue was a fundamental principle in the preparation of the proposed Guide.
The international standards detail the rules that must be followed to ensure the design performance of all types of electrical installations and safety regulations.
Since these standards are detailed and applicable to all types of products and technical solutions in different countries of the world, their texts are quite complex and not presented in a ready-to-use form. Therefore, they can only be considered as a reference document, not a practical guide.
The purpose of this manual is to provide clear and step-by-step explanations for a complete analysis of the electrical installation in accordance with international standards.
The first chapter (B) sets out the methodology that should be used, and in each of the subsequent chapters one of the eight stages of analysis is considered. The last two chapters are dedicated to specific power sources, loads and placements, and additional information is provided in the appendix. Particular attention is paid to the application "Electromagnetic compatibility", which reflects a large practical experience in solving problems of protection from electromagnetic radiation.
We hope that you will find this guide really useful.
Section A. General content
Section B. General structure - Current rules and regulations - Installed capacity
1. Methodology
2. Applicable rules and regulations
2.1. Determination of the voltage level
2.2 Norms and Rules
2.3 Standards
2.4. The quality and safety of the electrical installation
2.5 Initial installation check
2.6 Periodic testing of the installation
2.7 Compliance of electrical installation equipment with standards and specifications
2.8 Environment
3. Installed load capacities - Characteristics
3.1 Induction motors
3.2 Heating devices based on resistance and incandescent lamps (conventional or halogen)
4. Power load of electrical installations
4.1 Installed power (kW)
4.2 Installed full power (kVA)
4.3 Assessment of the actual maximum capacity requirement (kVA)
4.4. An example of applying the coefficients ku and ks
4.5 Load Differential Coefficient
4.6 Selecting the rated power of the transformer
4.7 Selecting Power Supplies
5. Monitoring and power management
5.1 The main advantages of the user
5.2 From monitoring the network and control systems to intelligent power equipment
5.3 Typical advantages possible when using intelligent equipment in comparison with other solutions
5.4 Technical improvements of communication networks
5.5 The main limitations that must be considered when developing communications equipment or intelligent power equipment
Section C. Connection to a high voltage distribution network
1 High voltage power supply
1.1 Characteristics of the power supply of the public distribution network
1.2 Different ways to connect the power supply
1.3 Some operational aspects of distribution networks VN
2 How to install a new substation
2.1 Preliminary information
2.2 Study of the project
2.3 Implementation
2.4 Commissioning
3 Protection
3.1 Protection against electric shock
3.2 Protection of the transformer and lines
3.3 Locks and Contingencies
4 Subscriber substation with measurements on the low voltage side
4.1 General
4.2 Selection of panels
4.3 Selection of the panel of high-voltage switchgear for transformer power supply
4.4 Selection of the step-down transformer
5 Subscriber substation with measurements on the high voltage side
5.1 General
5.2 Selection of panels
5.3. Parallel operation of transformers
6 Distributing step-down substations
6.1 Different types of substations
6.2 Substation of internal installation
6.3 Outdoor installation
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