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 THE LIGHTNING PHENOMENON

                        

                        Figure 1                                                 Figure 2                                                 Figure 3

                                                                           

                                                                    Figure 4                                                                              Figure 5

The thunderclouds called cumulonimbus stretch over several kilometers. They composed of positively charged ice crystals at the top, and of negatively charged droplets at the base. 80 to 90% of lightning strokes in Europe are negative whereas in other regions, the proportion of positively charged strokes is higher. When a cumulonimbus is created, the ground electrical field rises to values close to 20kV/m whereas the various high points create natural ionization ( Figure 1 ).

Several tracers are produced at the core of the cloud and they travel to the ground by successive steps. When these descending leaders come closer, the ionization of the high points increases and produces ascending tracers ( Figure 2 ). The meeting of both tracers creates an ionized path down which the cloud discharges it electric charge ( Figure 3 ).

THE LIGHTNING CONDUCTOR

The IONOSTAR Early Streamer Emission lightning conductor principle is to artificially create, with an ionizing device, a powerful ascending tracers and thus produce a privileged lightning impact point on its tip whatever the thundercloud polarity maybe ( Figure 4 & 5 ).

THE SECOND GENERATION

The patented lightning conductor IONOSTAR, like the previous model, works on the energy of the electrical field from the thundercloud descending tracers. Its ionizing device captures the ambient electromagnetic field, this rising potential is simultaneously amplified by a device based on spark gaps. The resulting ionization starts a significant advance on the startup discharge for positive as well as for negative discharges.                            

                        

                                                                             

When the lightning stroke reaches the rod, the discharge current is deviated to an electrode directly connected to the earth protecting the ionizing device of the lightning conductor IONOSTAR. The active parts of this device being shunted, it can resist the strongest strokes.

PROTECTION RADIUS

h: Height between the IONOSTAR tip and the protected area.

R: IONOSTAR protection radius according to height.

D: According to standard NFC 17-102: 20m at level 1, 45m at level 2, 60m at level 3                                                                                                                             

                                                                IONOSTAR         Reference        h(m)    2      3       4         5       7       10      20      30      60

               LEVEL 3                                 Protection Radius Rp(m)

                                                               IONOSTAR 64        P31064            64       47    67    91    111    112     113    117    120    124

                                                               IONOSTAR 45        P31045            45       36    58    71      89       90      92      97    100     105

                                                               IONOSTAR 32        P31032            32       30    48    64      73       75      77      82      86       92

              

              LEVEL 2                                 IONOSTAR 64        P31064            64        42    63    82    101     102    103    106    107    107         

                                                               IONOSTAR 45        P31045            45        33    52    65      80       81      82      86      88     88       

                                                               IONOSTAR 32        P31032            32        27    44    52      65       66      68      72      75     75

          

               LEVEL 1                                 IONOSTAR 64        P31064            64        34    51    67     82        82     83        84      84    84      

                                                                IONOSTAR 45        P31045            45        26    40    51     63        63     64        65      65    65      

                                                                IONOSTAR 32        P31032            32        23    30    36     49        50     51        52      52    52

LIGHTNING CONDUCTOR GENERAL CHARACTERISTICS:

Net Weight: 5.0 Kg.    Gross Weight: 6.4 Kg    Height: 2.4m    Material: Stainless steel & resin.

DESTRUCTION CAUSED BY LIGHTNING STRIKES

IONOSTAR INSTALLATIONS

Ionostar Installation in France

Ionostar Installation in France

Ionostar Installation in Europe

Ionostar Installation in Singapore

Ionostar Installations in Singapore

Ionostar Installations in Singapore

Ionostar Installation in Singapore

Ionostar Installation in Singapore

Ionostar Installation in Singapore

Ionostar Installation in Singapore

The above are just a few installations, there are several thousand installations around the world.

  • Consultancy

  • Project Management

  • Turn-Key Project

  • Site Investigation

  • Installation & Commissioning

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Email: sales@seratech.com.sg