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Siemens 6SN1123-1AA00-0DA2 Configuration Manual
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605.016.4 Technical data6-170 © Siemens AG 2012 All Rights ReservedSIMODRIVE 611 Configuration Manual (PJU) – 02/2012 EditionPt 1tt 2 t 3 t kTP1PkP3P2Fig. 6-11 Explanation of the rule of thumb for block–type load duty cyclesThe following applies for the rules of thumb: The evaluation factor B, calculated for the load duty cycle, must be less thanthe maximum values Bmax specified in Table 6-11. The maximum infeed power Pmax of the infeed module may not be ex-ceeded. The power derating as a function of the installation altitude must be takeninto account.Table 6-11 Evaluation factor for the load duty cycleTotal durationT 10 s 10 s T 60 s 60 s T 600 sBmax 1.03 0.90 0.89Calculation example for a block–type load duty cycle:Evaluation/assessment factor B should be determined for the following loadduty cycle:Infeed module used: I/R 36 kW (Pn =36 kW; Pmax =70 kW)i 1 2 3 4 5P [kW] 50 20 36 0 40t [s] 1.5 1 2 1.2 1.2Pt 1tt 2 t 3 t 5TP1P5P3P2t 4P4=0Fig. 6-12 Example, calculating a load duty cycle6 Infeed Modules 02.0302.03 |
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