Danfoss VLT CDS 803, Design Manual

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Contents
1 Introduction
5
1.1 Purpose of the Manual 5
1.2 Document and Software Version 5
1.3 Safety Symbols 5
1.4 Abbreviations 5
1.5 Additional Resources 6
1.6 Definitions
6
1.7 Power Factor
8
2 Product Overview
9
2.1 Safety 9
2.2 CE Labelling 10
2.3 Air Humidity 11
2.4 Aggressive Environments
11
2.5 Vibration and Shock
12
2.6 Control Structures
12
2.6.1 Control Structure Open Loop 12
2.6.2 Local (Hand On) and Remote (Auto On) Control 12
2.6.3 Control Structure Closed Loop 13
2.6.4 Feedback Conversion 13
2.6.5 Reference Handling 14
2.6.6 Closed-loop Set-up Quick Guide 15
2.6.7 Tuning the Drive Closed-loop Controller 18
2.6.8 Manual PI Adjustment 18
2.7 General Aspects of EMC 19
2.7.1 General Aspects of EMC Emissions 19
2.7.2 Emission Requirements 20
2.7.3 EMC Test Results 21
2.8 Harmonics 21
2.8.1 Overview of Harmonics Emission 21
2.8.2 Harmonics Emission Requirements 21
2.8.3 Harmonics Test Results (Emission) 22
2.8.4 Immunity Requirements 22
2.9 Galvanic Isolation (PELV)
22
2.10 Ground Leakage Current
23
2.11 Extreme Running Conditions
23
3 Selection
24
3.1 Options and Accessories 24
3.1.1 Local Control Panel (LCP) 24
Contents Design Guide
MG18N202 Danfoss A/S © 12/2015 All rights reserved. 1