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| | | IX HEATING SYSTEMS FOR ICING CONDITIONS | | |
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| | | | | Determine a heating cable of 30 to 45 W/m capacity. If no suitable result from adjacent diagrams, devide the length of the system into two or more heating sections. Supply lower voltage via a transformer in case of shorter heating sections. | | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | w_ | | | | | | | | | | | | | | | | | | A | v | | \ | | V | | | | | | | | | | | | | | | | | | \ | A | s- | Vî- | | \ o | % | | | | | | | | | | | | | | | | | | | | | | % | | \ | | | | | | | | | | | | | | | 22 | 0 V | \ | | ^_ | | | \ | \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | 35 | | |
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| | | 20 | | 30 | | 40 | | 50 | | 60 | | 70 | | 80 | | 90 | | 100 | | |
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| | | 50 | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | N | | | | | \ | | \ | | | | | | | | | | | | | | | | v | | | | | | \ | | | | | | | | | | | | | | | | | | > | | | | | \ | | | | | | | | | | | | | | | | | | | | W v | | | | | > | | -\ | | | | | | | | ^8 | 0 V | | | | | | | \ | | | | | | | | \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | U2 R • L2 | | |
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| | | Heating capacity | | |
| | | [Watt/m] : N' : | | |
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| | | 2 | | |
| | | U = Supply voltage [Volt] R = Resistance of heating cable [Ohm/m] L = Length of heating sections [m] Wire Resistance data: heating cable: H 0.48 — 0.48 Ohm/m heating cable: H 0.70 — 0.70 Ohm/m heating cable: H 0.90 — • r00 Ohm/m heating cable: H • »44 — • »44 Ohm/m heating cable: H 2.00 — 2.00 Ohm/m Tolerance: ± 2.5% Outside diameter: ca. 4 mm | | |
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| | | 20 | | 30 | | 40 | | 50 | | 60 | | 70 | | 80 | | 90 | | 100 | | |
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| | | / M Composition of heating cable: Conductor: resistor material CrNi, stranded Insulation: TFE-(Teflon-)insulation, natural colour, glass silk sheath Sheath: V2Awire | | |
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| | | Length of conductor raiU^_ (length of heating section) | | |
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| | | Scheme of heating system for one section | | |
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| | | ? ? Qlfl Supply voltage 220 or 380 V | | |
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| | | Symbols: | | |
| | | Length of 3rd heating section | | |
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| | | — Length of 2nd heating section- | | |
| | | - Length of 1 st heating section | | |
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| | | Conductor rail | | |
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| | | 4 | | |
| | | Heating cable with terminal clamp | | |
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| | | Connection of insulated , conductor cable NSYAF -<r 2,5 mm2 | | |
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| | | ■-H-- | | |
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| | | ? ? (mû | | |
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| | | -U- | | |
| | | --L1 supply voltage -L2 __L3 220 or 380 V | | |
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| | | Scheme of heating system for more than one section | | |
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| | | 20 | | |
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