Chapter 2—Engineering Considerations
DG1 Series VFD
MN040002EN—March 2014
www.eaton.com
9
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)
Table 11. Drive System Components
RCD
PE L1 L2 L3
PE U V W
M
L1
L2
L3
PE
PES
#
CPU
7
8
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
Summary of Contents for PowerXL DG1-32011FB-C21C
Page 1: ...PowerXL DG1 Series VFD Installation Manual Effective March 2014 New Information ...
Page 2: ......
Page 83: ......
