The impacts of a lightning strike are amplified in an environment with special features such as a ship electric grid, especially within the extended integration of electronic systems. In most marine regulations, lightning protection specifications are inadequate in the cases of metallic vessels, regarding the necessity of installing lightning rods and the method for the definition of their protection zone and subsequently of their height. Therefore, impulse voltage experiments on a scaled-down ship model were conducted in order to acquire interception probability distributions of its superstructures and to assess the accuracy of various protection zone models, established for isolated rods, on the given complex topology of a ship. The experimental results highlighted the overestimation of the protection zone even by the well-established rolling sphere model for negative polarity impulses depending on the geometrical conditions and the satisfying performance of statistical models that incorporate proximity effects and lightning interception probability.

References

1. 1)
  - 8. Hotchkiss, R.W., Haa, A.: ‘Electric ship surge environment’. Electric Ship Technologies Symp., 2007, pp. 301–308.
2. 2)
  - 32. Mikropoulos, P.N., Tsovilis, T.E.: ‘Interception probability and proximity effects: implications in shielding design against lightning’, IEEE Trans. Power Deliv., 2010, 25, (3), pp. 1940–1951 (doi: 10.1109/TPWRD.2010.2043692).
3. 3)
  - 29. Tsovilis, T.E.: ‘A statistical lightning attachment model: lightning incidence estimation and shielding design’, PhD thesis, Thessaloniki, 2010(in Greek).
4. 4)
  - 16. NFPA 780-2014, Standard for the installation of lightning protection systems.
5. 5)
  - 15. DET NORSKE VERITAS AS, Rules for classification of ships/high speed, light craft and naval surface craft, part 4, chapter 8: newbuildings, machinery and systems – main class, electrical installations, July 2015.
6. 6)
  - 35. Suzuki, T., Miyake, K., Shindo, T.: ‘Discharge path model in model test of lightning strokes to tall mast’, IEEE Trans. Power Appar. Syst., 1981, PAS-100, (7), pp. 3553–3562 (doi: 10.1109/TPAS.1981.316699).
7. 7)
  - 22. IEC 62305-1 2006-01: Protection against lightning – part 1: general principles.
8. 8)
  - 28. Machidon, D., Istrate, M., Gusa, M., et al: ‘Lightning protection zones estimation for a power station using the elliptic model’. Proc. Int. Conf. and Exposition on Electrical and Power Engineering (EPE), 2012, Iasi, Romania, 25–27 October 2012, pp. 225–230.
9. 9)
  - 5. Galvan, A.: ‘A technical basis for guidance of lightning protection for offshore oil installations’, J. Lightning Res., 2007, 3, pp. 1–9.
10. 10)
  - 4. Thomson, E.M.: ‘A new concept for lightning protection of boats: protect a boat like a building’, Exchange, 2007, pp. 1–7.
11. 11)
  - 6. Sulligoi, G., Bosich, D., da Rin, A., et al: ‘An examination of mutual influences between high-voltage shore-connected ships and port earthing systems during phase-to-ground faults’, IEEE Trans. Ind. Appl., 2012, 48, (5), pp. 1731–1738 (doi: 10.1109/TIA.2012.2209621).
12. 12)
  - 7. Gomes, C., Ab Kadir, M.Z.A.: ‘Protection of naval systems against electromagnetic effects due to lightning’, Prog. Electromagn. Res., 2011, 113, pp. 333–349 (doi: 10.2528/PIER10111302).
13. 13)
  - 1. Thomson, E.M.: ‘A critical assessment of the U.S. code for the lightning protection of ships’, IEEE Trans. Electromagn. Compat., 1991, 33, (2), pp. 132–138 (doi: 10.1109/15.78350).
14. 14)
  - 18. IEC 60092-502:1999, Electrical installations in ships – part 507: tankers – special features.
15. 15)
  - 33. IEC 60060-1: 2010, High-voltage test techniques – part 1: general definitions and test requirements.
16. 16)
  - 12. Bureau Veritas Rule Note NR 566 DT R00 E: Hull arrangement, stability and systems for ships less than 500 GT, July 2011.
17. 17)
  - 25. Grzybowski, S., Song, Y.: ‘Experimental study of rod height and impulse polarity impact on the protection zone’. Proc. 27th Int. Conf. on Lightning Protection (ICLP 2004), Avignon, France, 13–16 September 2004, pp. 372–377.
18. 18)
  - 23. Grzybowski, S., Gao, G.: ‘Laboratory study of Franklin rod height impact on striking distance’. Proc. 25th Int. Conf. on Lightning Protection (ICLP 2000), Rhodes, Greece, 2000, pp. 334–339.
19. 19)
  - 34. CST EM Studio®. Available at https://www.cst.com.
20. 20)
  - 9. Hossam-Eldin, A.A., Omran, E.A.M.: ‘Maritime structures and ships lightning protection’. Electrical Insulation Conf. and Electrical Manufacturing Expo, 2007, pp. 30–34.
21. 21)
  - 26. Song, Y.: ‘Study of the lightning protection zone of Franklin rod’. MSc dissertation, Department of Electrical and Computer Engineering, Mississippi State University, Mississippi State, 2004.
22. 22)
  - 27. Grzybowski, S.: ‘Experimental evaluation of lightning protection zone used on ship’. IEEE Electric Ship Technologies Symp. ESTS '07, 2007, pp. 215–220.
23. 23)
  - 13. Offshore standard, DNVGL-OS-D201 – Edition July 2015: Electrical installations.
24. 24)
  - 21. Spathis, D., Nikolopoulou, E., Dallas, S., et al: ‘Analysis of various power quality phenomena in a highly electrified vessel’. IEEE Electric Ship Technologies Symp. (ESTS), 2015, pp. 420–426.
25. 25)
  - 10. ISO 10134: 2003 small craft – electrical devices – lightning protection systems.
26. 26)
  - 11. American Boat and Yacht Council (ABYC) TE-4 07/06: Lightning protection.
27. 27)
  - 30. Mikropoulos, P.N., Tsovilis, T.E.: ‘Striking distance and interception probability’, IEEE Trans. Power Deliv., 2008, 23, (3), pp. 1571–1580 (doi: 10.1109/TPWRD.2007.916172).
28. 28)
  - 24. Grzybowski, S., Gao, G.: ‘Protection zone of Franklin rod’. Proc. of the 12th Int. Symp. on High-Voltage Engineering (ISH 2001), Bangalore, India, 2001, pp. 87–91.
29. 29)
  - 17. IEC 60092-507:2014, Electrical installations in ships – part 507: small vessels.
30. 30)
  - 14. Rules for classification: Ships, DNVGL-RU-SHIP-Pt4Ch8. Edition October 2015: Electrical installations.
31. 31)
  - 36. Allibone, T.E., Dring, D.: ‘Lightning and the long spark: the significance of leader-stroke velocity’, Proc. R. Soc. Lond., 1977, A 357, pp. 15–35 (doi: 10.1098/rspa.1977.0153).
32. 32)
  - 20. Nicolopoulou, E.P., Kontargyri, V.T., Gonos, I.F., et al: ‘Experimental evaluation of lightning protection zone through impulse voltage tests on a scaled down ship model’. Proc. 19th Int. Symp. on High-Voltage Engineering (ISH 2015), Pilsen, Czech Republic, 2015, pp. PB–422.
33. 33)
  - 31. Mikropoulos, P.N., Tsovilis, T.E.: ‘Interception probability and shielding against lightning’, IEEE Trans. Power Deliv., 2009, 24, (2), pp. 863–887 (doi: 10.1109/TPWRD.2008.2002979).
34. 34)
  - 2. Daniello, V., Clemans, J.: ‘Lightning-proof your boat’, Boatkeeper by motorboating.com, 2009, pp. 61–64.
35. 35)
  - 3. Thomson, E.M.: ‘Lightning and sailboats’. SGEB, Sea Grant Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida, 1992, vol. 1, pp. 1–23.
36. 36)
  - 19. Ministry of Defense: Defense Standard 02-516, (DEF STAN 02-51), July 2003.

Experimental investigation of the external lightning protection of ships through impulse voltage tests on a scaled-down ship model

References

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