duval-2

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Ακτίνα προστασίας (m) ΤΥΠΟΣ h = Υψος του άκρου του αλεξικεραύνου (m) SATELIT + 2 4 5 7 10 15 20 45 60 Επίπεδο προστασίας 1 ESE 1000 10 20 26 27 28 30 30 - - ESE 2500 17 34 42 43 44 45 45 - - ESE 4000 24 46 58 59 59 60 60 - - ESE 5000 28 55 68 69 69 70 70 - - ESE 6000 32 64 79 79 79 80 80 - - Επίπεδο προστασίας 2 ESE 1000 15 30 38 40 42 46 49 55 - ESE 2500 23 45 57 59 61 63 65 70 - ESE 4000 30 60 75 76 77 80 81 85 - ESE 5000 35 69 86 87 88 90 92 95 - ESE 6000 40 78 97 98 99 10 1 10 2 10 5 - Επίπεδο προστασίας 3 ESE 1000 18 37 43 46 49 54 57 68 70 ESE 2500 26 52 65 66 69 72 75 84 85 ESE 4000 33 66 84 85 87 89 92 99 10 0 ESE 5000 38 76 95 96 98 10 0 10 2 11 0 11 0 DUVAL MESSIEN Droits réservés – Reproductions interdites 16

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Page 1: Duval-2

Ακτίνα προστασίας (m)

ΤΥΠΟΣ h = Υψος του άκρου του αλεξικεραύνου (m)

SATELIT + 2 4 5 7 10 15 20 45 60

Επίπεδο προστασίας 1

ESE 1000 10 20 26 27 28 30 30 - -

ESE 2500 17 34 42 43 44 45 45 - -

ESE 4000 24 46 58 59 59 60 60 - -

ESE 5000 28 55 68 69 69 70 70 - -

ESE 6000 32 64 79 79 79 80 80 - -

Επίπεδο προστασίας 2

ESE 1000 15 30 38 40 42 46 49 55 -

ESE 2500 23 45 57 59 61 63 65 70 -

ESE 4000 30 60 75 76 77 80 81 85 -

ESE 5000 35 69 86 87 88 90 92 95 -

ESE 6000 40 78 97 98 99 101

102

105

-

Επίπεδο προστασίας 3

ESE 1000 18 37 43 46 49 54 57 68 70

ESE 2500 26 52 65 66 69 72 75 84 85

ESE 4000 33 66 84 85 87 89 92 99 100

ESE 5000 38 76 95 96 98 100

102

110

110

ESE 6000 44 87 107

108

109

111

113

120

120

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satelit+

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ΜΕΤΡΗΤΗΣ ΚΕΡΑΥΝΙΚΩΝ ΠΛΗΓΜΑΤΩΝ

Κατάταξη :

IP65 ενισχυμένο με ρητίνεςΕυαισθησία:απο 1KA εως 180 KA - 1 s 2.7s

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satelit+

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ΤΥΠΙΚΗ ΕΓΚΑΤΑΣΤΑΣΗ

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1 SATELIT+ ESE2 Ιστός3 Αγωγός καθόδου4 Λυόμενος σύνδεσμος ελέγχου5 Προστατευτικό6 Γείωση

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APPENDIX C(Normative)

E.S.E. LIGHTNING CONDUCTOR ASSESSMENT PROCEDURE

C 1 EXPERIMENTAL CONDITIONS

The effectiveness of an E.S.E. Iightning conductor is assessed by comparing the upward leader triggering time emitted by the E.S.E. Iightning conductor against the upward leader triggering time emitted by an S.R. Iightning conductor.

For this purpose, the SR lightning conductor and E.S.E. Iightning conductor are assessed one after the other under the same electrical and geometrical conditions during laboratory tests simulating the natural conditions of the upward leader initiation (positive upward leader).

C 1.1 Ground field simulation

The natural ground field existing before a lightning stroke affects the conditions of corona formation and of existing space charges. The natural ground field should therefore be simulated : its value ranges from 10 kV/m to 25 kV/m.

C 1.2 Impulse field simulation

To reproduce the natural phenomenon as closely as possible, the ground field build-up is simulated by a waveform the rise time of which ranges from 100 sec to 1000 sec. The waveform slope within the upward leader initiation region should be between 2.108 and 2.109 V/m/s.

C 2 EXPERIMENTAL SET-UP

C 2.1 Positions of lightning protection systems to be compared

The upper plate/air-termination distance should be sufficient for the upward leader to propagate in free space and, in any case, over a length greater than 1 m (d 1 m). The objects to be compared should be placed in the same electrical environment which is independent of their locations: they should be tested one after the other and centred on ground above the plate and their height should be the same.

C 2.2 Dimensions of experimental set-up

The upper plate/ground distance (H) should be greater than 2 m. The ratio h/H of the air-termination height to the plate height above ground

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level should range from 0.25 to 0.5. The smaller horizontal dimension of the upper plate is the upper plate/ground H distance.

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C 3 PARAMETERS TO BE CHECKED - MEASUREMENTS TO BE TAKEN

C 3.1 Electrical parameters

- Applied voltage waveforms and amplitudes (ambient field calibration, pulsed voltage wave, associated current, etc.);

- Continuous polarisation setting;

- Initiation setting on the reference equipment (simple rod lightning conductor) : initiation probability equal to 1.

C 3.2 Geometrical conditions

The distance d should be strictly the same in each configuration: it shouid be checked before each test.

C 3.3 Climatic parameters

The climatic conditions should be recorded before and after testing in each configuration (pressure, temperature, absolute humidity).

C 3.4 Number of lightning strokes in each configuration

The number of lightning strokes should be statistically adequate in each configuration, e.g. about one hundred lightning strokes in each configuration.

C 3.5 Triggering time

The criterion adopted for assessing the effectiveness of an E.S.E. lightning conductor is its capacity to initiate an upward leader before an SR lightning conductor under the same conditions. The average upward leader triggering time T is measured for each usable lightning stroke on the SR lightning conductor and then on the E.S.E. lightning conductor.

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C 4 EFFICIENCY OF THE E.S.E. LIGHTNING CONDUCTOR

C 4.1 Experimental Assessment of the average triggering times

The upward leader triggering times measured during usable shocks on an SR lightning conductor and an E.S.E. Iightning conductor are used to

compute the average triggering times T'SRLC and T'ESELC in compliance with the selected experimental curve parameters.

C 4.2 Reference waveform

The reference waveform is defined by a rise time TR of 650 sec and a shape as shown in the graph of Figure C2.

C 4.3 Determination of the triggering advance of the E.S.E. Iightning conductor

The experimental curve is plotted on the same graph as the reference

waveform to which is assigned the same field value EM as the

experimental field EMexp.

Lines are dropped from T'SRLC and T'ESELC onto the rererence curve and the ordinates of the intersection points give the E field values. The triggering times are obtained by projecting lines from the E values to the points where they intersect the reference curve; the associated values on

the x-axis gives the triggering advance T (sec) = T'SRLC and T'ESELC.

Note : The method proposed above can be used to determine a T value in a laboratory. Using the upward leader initiation fields which only depend on airtermination height h, a T value

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independent of d can be determined. This transposition is accomplished using the continuous leader starting threshold field model developed by Rizk & Berger.

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REFERENCE LIST ΤΩΝ ΣΗΜΑΝΤΙΚΟΤΕΡΩΝΕΓΚΑΤΑΣΤΑΣΕΩΝ ΑΛΕΞΙΚΕΡΑΥΝΩΝ ΔΙΕΘΝΩΣ

*ΓΑΛΛΙΚΗ ΕΠΙΤΡΟΠΗ ΑΤΟΜΙΚΗΣ ΕΝΕΡΓΕΙΑΣ - ΠΥΡΗΝΙΚΟΙ ΣΤΑΘΜΟΙ

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- Fontenay aux Roses- Saclay- Vaujours- La Hague

- Cadarache- Marcoule- Pierrelatte-Tricastin...

*ΣΤΡΑΤΙΩΤΙΚΕΣ ΕΓΚΑΤΑΣΤΑΣΕΙΣ - ΒΑΣΕΙΣ

- Βάσεις τηλεπικοινωνιών- Αρχηγεία- Αποθήκες πυρομαχικών

- Τόλ αεροπλάνων- Διάφορα κτίρια

* ΧΗΜΙΚΕΣ ΒΙΟΜΗΧΑΝΙΕΣ - ΔΙΥΛΗΣΤΗΡΙΑ

- Rhône-Poulenc- Akzo-Nobel- Kodak- Shell Chimie- Henkel Rubson- Shell- Total

- BP (Lavérat)- Fould Springer (Maison Alfort)- Novacel (Rouen)- Chevron Chemical (Le Havre)- SCPO (Chalon /Saone)- Butagaz (Rennes)- ...

*ELECTRICITE DE FRANCE (ΘΕΡΜΟΗΛΕΚΤΡΙΚΟΙ ΣΤΑΘΜΟΙ)

- Σταθμοί παραγωγής Arammon, Le Havre - Montereau...- Πυρηνικοί σταθμοί Dampierre, de Chinon, Gravelines, Le Blayais, Nogent...

*GAZ DE FRANCE—(ΓΑΛΛΙΚΟ ΦΥΣΙΚΟ ΑΕΡΙΟ)

- Σταθμοι αποσυμπίεσης αερίου

*ΒΙΟΜΗΧΑΝΙΕΣ

- CNES- IRSID- GANIL- SNECMA

- CNET- Thomson CSF- ONERA- Aéropatiale

*ΜΕΤΑΦΟΡΕΣ

- Αεροδρόμιο Orly- RATP

- SNCF (Γαλλικοί σιδηρόδρομοι) - Banque de France...

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