Tag Archives: Surge Protective Devices (SPD)

Surge Protection Technical Supplements

Published by Electrical Installation Wiki, Chapter J. Overvoltage protection – Surge protection technical supplements Lightning protection standards The IEC 62305 standard parts 1 to 4 (NF EN 62305 parts 1 to 4) reorganizes and updates the standard publications IEC 61024 (series), IEC 61312 (series) and IEC 61663 (series) on lightning protection systems. Part 1 – General principles ThisContinue reading “Surge Protection Technical Supplements”

Surge Protection Application Examples

Published by Electrical Installation Wiki, Chapter J. Overvoltage protection – Surge protection Application examples SPD application example in Supermarket Solutions and schematic diagram • The surge arrester selection guide has made it possible to determine the precise value of the surge arrester at the incoming end of the installation and that of the associated disconnection circuitContinue reading “Surge Protection Application Examples”

Installation of Surge Protection Device

Published by Electrical Installation Wiki, Chapter J. Overvoltage protection – Installation of Surge Protection Device Connection of Surge Protection Device Connections of a SPD to the loads should be as short as possible in order to reduce the value of the voltage protection level (installed Up) on the terminals of the protected equipment. The total lengthContinue reading “Installation of Surge Protection Device”

Design of the Electrical Installation Protection System

Published by Electrical Installation Wiki, Chapter J. Overvoltage protection – Design of the electrical installation protection system To protect an electrical installation in a building, simple rules apply for the choice of • SPD(s);• its protection system. For a power distribution system, the main characteristics used to define the lightning protection system and select a SPDContinue reading “Design of the Electrical Installation Protection System”

Principle of lightning Protection

Published by Electrical Installation Wiki, Chapter J. Overvoltage protection – Principle of lightning protection General rules of lightning protection Procedure to prevent risks of lightning strike The system for protecting a building against the effects of lightning must include: • protection of structures against direct lightning strokes;• protection of electrical installations against direct and indirect lightningContinue reading “Principle of lightning Protection”

Overvoltage of Atmospheric Origin

Published by Electrical Installation Wiki, Chapter J. Overvoltage protection – Overvoltage of atmospheric origin Overvoltage definitions Overvoltage (in a system) any voltage between one phase conductor and earth or between phase conductors having a peak value exceeding the corresponding peak of the highest voltage for equipment. Definition from the International Electrotechnical Vocabulary (IEV 604-03-09); available on [1] VariousContinue reading “Overvoltage of Atmospheric Origin”