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Earthing system TN and IT, design
Mode:
Lesson
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Objectives
Terminology
Condition of the protection in TN earthing system
Condition of the protection in IT earthing system
Feature
Way to protect people
TN Undergo the fault ... but cause tripping to provide protection
IT Make the fault inoffensive by using networks with unearthed neutral system (IT)
Example of Switchgear to used in earthing systems
Earthing system choice criteria
Choice of earthing systems and conclusion
Methodology for choosing an earthing system
Conclusion
Content:
Feature
Way to protect people
TN Undergo the fault ... but cause tripping to provide protection
IT Make the fault inoffensive by using networks with unearthed neutral system (IT)
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