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53

References

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1

Variable speed drives

Altivar Process ATV900

Option: Braking resistors

References for a severe braking cycle (hoisting applications)

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For drives Degree of protection of the resistor Ohmic value at 20 C/ 68 F Average power available at 50 C/ 122 F (1) Quantity required per drive Reference Weight & kW kg/ lb

Supply voltage: 500...690 V 50/ 60 Hz

ATV930U22Y6 IP20 100 1.4 1 VW3A7750 5.000/ 11.023 ATV930U30Y6 IP20 100 1.4 1 VW3A7750 5.000/ 11.023 ATV930U40Y6 IP20 100 1.4 1 VW3A7750 5.000/ 11.023 ATV930U55Y6 IP20 60 2.9 1 VW3A7751 8.300/ 18.298 ATV930U75Y6 IP20 60 2.9 1 VW3A7751 8.300/ 18.298 ATV930D11Y6 IP23 28 5.1 1 VW3A7752 27.000/ 59.524 ATV930D15Y6 IP23 28 5.1 1 VW3A7752 27.000/ 59.524 ATV930D18Y6 IP23 16 14 1 VW3A7753 48.500/ 106.924 ATV930D22Y6 IP23 16 14 1 VW3A7753 48.500/ 106.924 ATV930D30Y6 IP23 16 14 1 VW3A7753 48.500/ 106.924 ATV930D37Y6 IP23 10 19 1 VW3A7754 71.000/ 156.528 ATV930D45Y6 IP23 10 19 1 VW3A7754 71.000/ 156.528 ATV930D55Y6 IP23 8 25 1 VW3A7755 87.500/ 192.904 ATV930D75Y6 IP23 5 32 1 VW3A7756 126.000/ 277.782 ATV930D90Y6 IP23 10 19 2 VW3A7754 71.000/ 156.528 (1) Load factor for resistors: The value of the average power that can be dissipated at 50 C/122 C from the resistor into the casing is determined for a load factor during braking that corresponds to the majority of normal applications: - Heavy duty: 54 s braking with a 1 Tn braking torque and 6 s braking with a 1.65 Tn braking torque for a 120 s cycle Presentation: page 8 Variable speed drives: page 18 Configuration and runtime tools: page 28 Combinations: page 32 Dimensions: page 76 VW3A7755

PF151268A

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