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Protection Against Lightning (Risk Management Part 1)

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Introduction to Lightning Protection as out-lined by IEC 62305
series.

Part 1

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Protection Against Lightning (Risk Management Part 1)

  1. 1. IEC 62305-2 (2010) xyz An interesting analysis by IEC 62305-2 , giving details of the most common lightning strikes and resulting damages & Losses. This is first part of the RISK ANALYSIS & RISK MANAGEMENT
  2. 2. TYPE of STRIKE : S1 Directly onto the STRUCTURE IEC 62305-2 (2010) Lightning Protection: RISK MANAGEMENT Lightning current is the primary source of damage. The Damage due to this Lightning Flash will depend upon : 1. Type of construction 2. Contents & application of the structure 3. Type of service & protection measures employed xyz
  3. 3. TYPE of STRIKE : S1 Directly onto the STRUCTURE IEC 62305-2 (2010) For practical application of IEC 62305-2 , following types of damages have been defined: 1. Injury to Living beings by electrical SHOCK - Damage 1 or D1 2. Physical damage - Damage 2 or D2 3. Failure of Electrical & electronic System – Damage 3 or D3 xyz
  4. 4. TYPE of STRIKE : S1 Directly onto the STRUCTURE IEC 62305-2 (2010) Each type of Damage (alone or in combination) may lead to consequential loss. From Risk Management point of view , following classification have been defined : 1. Loss of human life (including permanent injury - Loss 1 or L1 2. Loss of Service to the Public Loss 2 or L2 3. Loss of Cultural Heritage Loss 3 or L3 4. Loss of economic value (structure , its contents and loss of the activities taking place in/through that structure Loss 4 or L4 xyz
  5. 5. TYPE of STRIKE : S1 IEC 62305-2 (2010) Damage D1 Loss L1 , Loss L4 Damage D2 Loss L1 , L2, L3, L4 Damage D3 Loss L1 , L2, L4 xyz STRIKE : S1
  6. 6. TYPE of STRIKE : S2 xyz Damage D3 Loss L1 , L2, L4 IEC 62305-2 (2010) STRIKE : S2
  7. 7. TYPE of STRIKE : S3 Damage D1 Loss L1, L4 Damage D2 Loss L1,L2,L3,L4 Damage D3 Loss L1 , L2, L4 IEC 62305-2 (2010) STRIKE : S3
  8. 8. TYPE of STRIKE : S4 Damage D3 Loss L1 , L2, L4 IEC 62305-2 (2010) STRIKE : S4
  9. 9. This is the starting point of the Risk Management (To be covered later)

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