Installation Manual

Engineering
H-Max Series Variable Frequency Drive MN04008005E—May 2017 www.eaton.com 1
Engineering
Introduction
This chapter describes the most important features in the energy circuit of a drive system
(PDS = Power Drive System) that you should take into consideration in your project planning.
Figure 1. Drive System (PDS)
c
b
a
L1
L2
L3
PE
d
f
h
g
e
RCD
L1 L2
PE U V W
L3 PE
M
3
PES
PES
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Item
Number Description
1 Network configuration, input voltage, input frequency,
interaction with p.f. correction systems
2 Breakers, fuses, and cable cross-sections
3 Protection of persons and domestic animals with
residual-current protective devices
4 Input contactor
5 Frequency inverter: mounting, installation; power connection;
EMC measures; circuit examples
6 Motor reactor, dv/dt filter, sine-wave filter
7 Motor protection; thermistor
8 Cable lengths, motor cables, shielding (EMC)
9 Motor and application, parallel operation of multiple motors
on a frequency inverter, bypass circuit; DC braking