Chapter 2-Engineering Considerations; Introduction; Figure 4. Drive System (Pds = Power Drive System); Table 11. Drive System Components - Eaton PowerXL DG1-323D7FB-C21C Installation Manual

Chapter 2—Engineering Considerations

Introduction

This chapter describes the most important features in the
energy circuit of a drive system that you should take into
consideration in your project planning.

Figure 4. Drive System (PDS = Power Drive System)

L1
L2
L3
PE
RCD
PE L1 L2 L3
PE U
#
CPU
7 8
V W
PES
M
Chapter 2—Engineering Considerations

Table 11. Drive System Components

Item No. Description
1 Power grid configuration, input voltage, input frequency,
interactions with PF correction systems
2 Breakers, fuses, cable cross-sections
3 Protection of persons and animals with residual-current
protective devices
4 Input contactor, disconnector
5 Frequency inverter: mounting, installation; power connection;
EMC measures; circuit examples
6 Output contactor, disconnector
7 Output reactor, dV/dT filter, sine-wave filter
8 Motor protection; thermistor (can be connected to drive directly)
9 Cable lengths, motor cables, shielding (EMC)
10 Motor and application, parallel operation of multiple motors on
a VFD, bypass circuit, DC braking
DG1 Series VFD MN040002EN—March 2014 www.eaton.com 9