BD01 System â 40 ... 160 A - GRUP DAP

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BD01 System — 40 ... 160 A © Siemens AG 2007 Engineering information Pendent suspension using BD01-BAP (at connection point) < = 3 m NSV0_00067 Mounting examples with BD01-B and BD01-BA 4 NSV0_00068 1,5 m 3 m NSV0_00069 4/30 Siemens LV 70 · 2006
© Siemens AG 2007 BD01 System — 40 ... 160 A Engineering information ■ Function Required details The following data must be considered when configuring the busbar runs: • Installation flat or edgewise, horizontal or vertical, quantity, type and approximate ratings of prospective loads, p.f. • Utilization and rated diversity factor = derating factor α. • If data are not available, use only the rated diversity factor • Feeding transformers (short-circuit current) • Nature of the installation site (dimensions, construction of the building, transport paths, cellar) • Routing of supply lines from other power sources • Crane operation • Special requirements Operational current The operational current is calculated using the following formula: I B = P inst × α × b !3 ×U ×cosϕ with: I B = Operational current (A) P inst = Installed power (kW) α = Derating factor b = Supply factor b = 1 = Single end feed b = ½ = Double end feed U e = Rated operational voltage (V) cos ϕ = Power factor Short-circuit protection A system can be protected against short circuit alone, by fitting low-voltage LV HRC fuse links (gL) into the incoming supply; the fuse size to be appropriate for the prospective short-circuit current at the point of installation. Overcurrent protection equipment for overload and short-circuit protection Busbar trunking systems must be protected against overload and short circuits. Fuses and miniature circuit-breakers must be selected so that the admissible current carrying capacity corresponding with the ambient conditions is not exceeded. Due to their high response threshold (1.3 to 1.6 times rated current) and their long rupturing times at small overcurrents, fuses are not suitable for overload protection. Therefore we recommend the use of motor-protective or standard circuit-breakers. The following can be used: System Overcurrent protective devices × 10 3 I cc = 15 kA 1) I cc = 25 kA BD01-40 5SY4 340-6 3VL27 05 BD01-63 5SY4 363-6 3VL27 06 BD01-100 – 3VL27 10 BD01-125 – 3VL27 12 BD01-160 – 3VL27 16 1) I cf = Rated short-circuit current of the busbar trunking system and its outgoing circuits when protected by circuit-breakers The prospective network short-circuit current and the let-through characteristic of the switches must be taken into account in each case. Temperature characteristic of BD01 systems If no data are available about the actual currents occurring simultaneously, the following values according to IEC/EN 60439-1 apply: Number of main circuits 2 and 3 4 and 5 6 to 9 inclusive 10 or more Rated diversity factor α 0.9 0.8 0.7 0.6 Rated current (%) 130 120 110 100 90 80 NSV0_00071 4 70 -5 +5 +15 +25 +35 +45 +55 +65 Ambient temperature °C (average over 24 hours) Siemens LV 70 · 2006 4/31
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© Siemens AG 2007 Catalog LV 70
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© Siemens AG 2007 SIVACON 8PS Busb
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© Siemens AG 2007 Introduction 1/2
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DATE: EMPLOYEE COST CENTER PAY PERI
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