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Engineering Guide CDA3000
3-73
3 Selection of inverter module
DE
EN
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A
1. Drive design with 50 Hz
Figure 3.32
50 Hz drive design
The drive design shown above occurs in similar form in almost all fields of
engineering. Initial commissioning automatically sets up all three motor
control methods.
2. Drive design with 70 Hz
Figure 3.33
70 Hz drive design
In the 70 Hz drive design with 25% field weakening the maximum speed
of the 1.5 kW motor is increased by way of the inverter module from
1421 rpm (50Hz) to 2000 rpm (70Hz). The adaptation of the desired
output speed on the gearbox is compensated by a higher transmission.
However, since a two-stage gearing is required in both cases, the
increase in transmission has no influence on cost.
Содержание CDA3000
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