IEC TS 61312-3:2000
Collections
International IEC standards
Publication date
July 2000
Number of pages
111 p.
Reference
IEC TS 61312-3:2000
Print number
1
IEC TS 61312-3:2000
July 2000
Technical specification
Cancelled
Protection against lightning electromagnetic impulse - Part 3: Requirements of surge protective devices (SPDs)
Deals with the requirements of Surge Protective Devices (SPDs) standardized by IEC 61643-1. These SPDs are installed according to the Lightning Protection Zones concept given by IEC 61312-1.First, starting from primary relevant threats, gives instructions for the determination of the stress for individual SPDs.For SPDs installed within a complex system, it is admissible to divide the system into simple basic arrangements, observing the rules described. When the values and directions of the partial lightining currents flowing within the system are known, the appropriate SPDs can be selected.Also deals with basic questions of the energy coordination of SPDs among each other and between SPDs and the threat at the respective place of installation are to be considered for effective coordination. The proof of the coordination of SPDs installed in a system, is described briefly.
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Sumary
Protection against lightning electromagnetic impulse - Part 3: Requirements of surge protective devices (SPDs)
Deals with the requirements of Surge Protective Devices (SPDs) standardized by IEC 61643-1. These SPDs are installed according to the Lightning Protection Zones concept given by IEC 61312-1. First, starting from primary relevant threats, gives instructions for the determination of the stress for individual SPDs. For SPDs installed within a complex system, it is admissible to divide the system into simple basic arrangements, observing the rules described. When the values and directions of the partial lightining currents flowing within the system are known, the appropriate SPDs can be selected. Also deals with basic questions of the energy coordination of SPDs among each other and between SPDs and the threat at the respective place of installation are to be considered for effective coordination. The proof of the coordination of SPDs installed in a system, is described briefly.
Deals with the requirements of Surge Protective Devices (SPDs) standardized by IEC 61643-1. These SPDs are installed according to the Lightning Protection Zones concept given by IEC 61312-1. First, starting from primary relevant threats, gives instructions for the determination of the stress for individual SPDs. For SPDs installed within a complex system, it is admissible to divide the system into simple basic arrangements, observing the rules described. When the values and directions of the partial lightining currents flowing within the system are known, the appropriate SPDs can be selected. Also deals with basic questions of the energy coordination of SPDs among each other and between SPDs and the threat at the respective place of installation are to be considered for effective coordination. The proof of the coordination of SPDs installed in a system, is described briefly.
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Standard replaced by
(1)
IEC 62305-4:2006
January 2006
International standard
Cancelled
Protection against lightning - Part 4: Electrical and electronic systems within structures
Provides information for the design, installation, inspection, maintenance and testing of a LEMP protection measures system (LPMS) for electrical and electronic systems within a structure, able to reduce the risk of permanent failures due to lightning electromagnetic impulse. This standard does not cover protection against electromagnetic interference due to lightning, which may cause malfunctioning of electronic systems. However, the information reported in Annex A can also be used to evaluate such disturbances. Protection measures against electromagnetic interference are covered in IEC 60364-4-44 and in the IEC 61000 series [1] . This standard provides guidelines for cooperation between the designer of the electrical and electronic system, and the designer of the protection measures, in an attempt to achieve optimum protection effectiveness. This standard does not deal with detailed design of the electrical and electronic systems themselves.
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