Lightning Protection Systems (Lightning Rods)

External and Internal Lightning Protection (Faraday/Surge Arrester) Measurements According to IEC 62305 Standards

The shockwave from a lightning strike on a facility doesn't just pierce the roof; it can turn your entire electronic intelligence network (PLC, server) into cyber junk in seconds. Is your lightning rod actually hitting the ground, or is it setting the facility on fire?

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Engineering that Contains the Destructive Power of Lightning

A lightning discharge creates a momentary shock (surge) of millions of volts at a speed of one thousandth of a second (milliseconds). The TS EN 62305 standard covers much more than just checking a pointed 'rod' (lightning rod) on the exterior of a building. Whether that destructive current descending from the roof passes through the building's reinforcing steel (Faraday wave) or whether the ground resistance can absorb that discharge is the subject of a vital analysis.

At AES Innovation, we don't just perform the classic grounding megger test. Using risk management coefficients (Part 2), we calculate your building's exposure zone and map the entire protection concept, from roof-mounted lightning arresters (Part 3) to the integration of surge protectors (SPD/Surge Protector – Part 4) in the panels.

External and Internal Lightning Protection Monitoring Methodology

Test Phases under 62305

  • Downstream Conductor Continuity:
    The conductive strip, extending from the roof to the test terminal on the ground, is tested for corrosion/rupture impedance resistance.
  • Low Resistance Soil Transition (Megger) Measurement:
    To ensure lightning can flow into the ground without resistance (ideally below 5-10 Ohms), the seasonal conductivity of underground piles is checked.
  • Internal Lightning Protection (SPD/Surge Arrester) Situation Analysis:
    Internal cartridge life/reliability check of TYPE 1 and TYPE 2 surge arresters, which prevent lightning striking outside from bouncing back from the ground to the panel.
  • Separation Distance Control:
    Physical insulation gaps are calculated to ensure that the down conductor on the roof does not jump onto metal air conditioners or windows in the building.
WHY AES INNOVATION?

Control the millions of volts coming from the clouds.

If you do not document your periodic lightning rod tests with ISO 17020 accreditation, industrial damages resulting from a potential lightning strike will not be covered by commercial insurance (outside of coverage).

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International Standards and Related Legislation

The inspection process is carried out in accordance with TS EN 62305 (Lightning Protection) Part 1 (Basic Principles), Part 2 (Risk Management), Part 3 (Physical Damage), and Part 4 (Indoor Electricity) regulations. (This is equivalent to the relevant IEC 61643 Surge Arrester standard).

Frequently Asked Questions

FAQs from plant engineers regarding lightning rod intervals.

According to TS EN 62305 and the Occupational Safety and Health (Occupational Safety and Health) Regulation (Work Equipment Regulation), periodic inspections are mandatory at least once a year in industrial buildings. However, these inspections must be renewed immediately after a serious storm/lightning strike incident.

Lightning rods only protect the building's roof. Even a lightning strike in the nearby street (within 3-4 km) can burn out your device's main circuit boards via the underground power line (surge). The use of SPDs for Phase-Neutral protection in every main distribution board is a critical requirement according to Part 4.

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How can you contact us?

+90 850 532 71 89+90 312 806 45 71info@aesinn.comWhatsApp
+90 530 323 7068
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