3-2
Engineering Guide CDA3000
3 Selection of inverter module
3.3 Special applications .............................................3-60
3.3.1 Project planning for three-phase AC motors .......3-60
3.3.2 Efficiency of the motor control methods ............ 3-62
3.3.3 Standard inverter operation ...............................3-67
3.3.4 70 Hz - Characteristic with 25% field
weakening .........................................................3-69
3.3.5 87 Hz characteristic / Expanded manipulating
range .................................................................3-73
3.3.6 Multi-motor operation on one inverter ................3-76
3.3.7 DC network operation ........................................3-79
3.3.8 Design of the braking resistor ............................3-83
3.3.9 Power failure bridging .......................................3-87
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