Engineering; Introduction; Drive System (Pds) - Johnson Controls VSD II Series Installation Manual

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.
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Drive System (PDS)

L1
L2
L3
PE
I > I > I >
RCD
L1 L2 L3 PE
PE U V W
#
PES
PES
M
~
3
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
VSD Series II LIT-12011772—October 2012 www.johnsoncontrols.com
Engineering
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