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Earthing System NIORDC(接地系统NIORDC)
Pars Hassas Total Electrical Instrumentation Services ﮓﻨﻴﺗﺭﺍ ﻱﺎﻫﻢﺘﺴﻴﺳ ﺎﺑ ﻲﺋ ﻨﺷﺁ EARTHING SYSTEM EARTHING SYSTEM ﺵﺯﻮﻣﺁ ﺭﻮﻣﺍ ﺖﻳﺮﻳﺪﻣ ﺵﺯﻮﻣﺁ ﺭﻮﻣﺍ ﺖﻳﺮﻳﺪﻣ - : ﺪﻛ - 1387/01 : ﺶﻳﺍﺮﻳﻭ PDF created with pdfFactory Pro trial version Pars Hassas Total Electrical Instrumentation Services ﮓﻨﻴﺗﺭﺍ ﻱﺎﻫﻢﺘﺴﻴﺳ ﺎﺑ ﻲﺋ ﻨﺷﺁ 1. General 3 1.1. Concept of Earthing Systems 3 2.Earthing system components 3 2.1. Earth wells and accessories 4 2.2. Earthing grid conductors 4 2.3. Marshalling earth buses (earthing distribution buses) 4 2.4. Earthing wires and cables. 4 2.5. Lightning arresters and accessories 4 3. Earth wells and accessories 4 3.1. Earth Well Components 4 3.2. Earth Rods 4 3.3. Carbon Bedding 6 3.4. Concrete Earth Pit 6 3.5. Concrete Slab Cover 7 4. Earthing grid conductors 7 4.1. Different Types of Grid Conductors 7 5. Marshaling Earth bus 8 6. Earthing Wires(Cables) 8 7. Lightning Arrestor and Accessories 9 8. Earthing Resistance 9 9. Types of earthing system 11 9.2. Instrument Earthing Systems 12 9.3. lightning earthing system 12 10. Outstanding points on earthing systems 12 ﺵﺯﻮﻣﺁ ﺭﻮﻣﺍ ﺖﻳﺮﻳﺪﻣ ﺵﺯﻮﻣﺁ ﺭﻮﻣﺍ ﺖﻳﺮﻳﺪﻣ
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