Engineering Guide CDA3000
1 Analysis of task
1.1 Systematic thinking ................................................1-2
1.1.1 Inverter system ....................................................1-2
1.1.2 System environment ............................................1-3
1.2 Process analysis ..................................................... 1-4
1.2.1 Example of a process analysis in comparison
with functional analysis .......................................1-4
1.3 Characteristic values of machinery .......................1-9
1.3.1 Movement requirement .......................................1-9
1.3.2 Moment of inertia ..............................................1-12
1.3.3 Manipulating range and accuracy ...................... 1-13
1.3.4 Load torque .......................................................1-19
2 Drive definition
2.1 Recording of movement task ................................. 2-2
2.2 Drive definition via normogram .............................2-6
2.2.1 Example of solution with four-pole motor ............2-7
2.2.2 Example of solution with six-pole motor ............. 2-8
2.3 Drive definition via power rating ............................2-9
2.3.1 Example 1: Traction drive ..................................2-10
2.3.2 Example 2: Lifting drive .....................................2-12
2.4 Drive definition via L
UDRIVE PC PROGRAM ...............2-13
2.4.1 Example 1: Trolley drive for gantry crane ...........2-15
2.4.2 Example 2: Belt turning station for truck engine
distribution ........................................................2-20
2.5 Selection of motor ................................................ 2-24
2.5.1 Characteristic values of standard three-phase
AC motors .........................................................2-26
2.5.2 Characteristic values of asynchronous
servomotors ASx ...............................................2-35
2.5.3 Characteristic values of reluctance motors ........ 2-41
2.5.4 Characteristic values of synchronous motors .....2-44
2.5.5 Characteristic values of high-frequency motors .2-47