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Practical guide in the design, installation, commissioning and operation of electrical installations in residential, industrial and public buildings using residual current devices (RCD)

Content

Introduction
1 area of ​​use
2. Electrical safety system
2.1. General Provisions
2.2. Electrical Safety Criteria
2.3. Basic principles of protection against electric shock
2.4. Classification of premises by the degree of danger of electric shock to people
2.5. Classification of electrical and electronic equipment by the method of protection against electric shock
3. RCD - an effective fire and electrical protective agent
3.1. General Provisions
3.2. The principle of operation of the RCD
3.3. Types of RCD
4. Technical parameters of residual current circuit breakers
4.1. Normalized RCD parameters
4.2. Requirements for design, electrical parameters
5. The choice of RCD during the design and installation of electrical installations
5.1. General requirements
6. Analysis of the electrical circuit
6.1. General Provisions
6.2. Place of installation and purpose of the RCD
6.3. Features of the use of RCDs for various grounding systems
6.4. RCD application in TN earthing system
6.5. Connection of PE protective conductors. Potential equalization
6.6. RCD connection diagrams in electrical installations of buildings
7. The calculated check of the operating modes of the electrical installation
7.1. General Provisions
7.2. Calculation of the maximum and minimum expected short circuit current
7.3. Overcurrent protection
8. Documentation for RCD
9. The choice of the type and parameters of the RCD
9.1. General Provisions
9.2. Rated voltage U n
9.3. Rated load current I n
9.4. Rated breaking differential current I D n (setpoint)
9.5. Rated non-disconnecting differential current I D n0
9.6. Limit value of non-disconnecting overcurrent I nm
9.7. Rated switching and breaking capacity (switching capacity) I m
9.8. Nominal switching and breaking capacity for differential current I D m
9.9. Rated conditional short circuit current I nc
9.10. Nominal conditional differential short circuit current I D s
9.11. Nominal trip time T n
9.12. Temperature mode
9.13. Degree of protection
9.14. RCD switching schemes
9.15. RCD types AC, A and B
10. Coordination of protective devices
11. The selectivity of the RCD
12. Control of isolation, detection of its malfunctions
13. Principles for performing surge protection
13.1. General Provisions
13.2. Technical Parameters of Surge Protector
14. Installation and operation of RCD in electrical installations
14.1. RCD installation
14.2. RCD operation control
14.3. The procedure for verifying the performance of RCDs
15. Analysis of the causes of the operation of the RCD and the algorithm for troubleshooting in an electrical installation
16. RCD control procedure for certification of electrical installations
16.1. Verification of technical documentation on RCD
16.2. Checking the correct choice of installation location and RCD parameters in the electrical installation
16.3. Checking the correct installation of the RCD
16.4. Checking the performance of the RCD
16.5. Security measures
16.6. Documentation of RCD control (Protocol)
Appendix 1. List of buildings, structures and enterprises whose electrical installations are certified in accordance with the Rules "Certification Systems for Electrical Installations of Buildings"
Appendix 2. Normative documents
Appendix 3. Electrical installations of buildings using RCD
Appendix 4. Methods for determining the threshold of operation of RCDs, measuring the leakage current in the protection zone of RCDs, identifying defective electrical circuit
Appendix 5. Methods of checking the performance of RCDs in the electrical installation of a building
Appendix 6. Test report of RCD

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