Danfoss VLT AFE 302 - Table of Contents

Contents
1 Introduction
4
1.1.1 How to Read these Operating Instructions 4
1.1.2 Symbols 4
1.1.3 Software Version 4
1.1.4 Approvals 4
1.1.5 Abbreviations 5
2 Safety Instructions and General Warning
6
2.1.1 Disposal Instruction 6
2.1.2 High Voltage Warning 6
2.1.3 Safety Instructions 6
2.1.4 General Warnings 6
2.1.5 Before Commencing Repair Work 6
2.1.6 System Description 6
3 Crane System Design
8
3.1 Selection of Motor Voltage
8
3.1.1 Selection of AFE & LCL Filter 8
3.1.2 Selection of AFE for Different Applications 8
3.1.3 Selection of Output Filter (LC Filter) 8
3.1.4 Selection of Switching Frequency 8
3.1.5 Selection of LCL Filter 8
3.1.6 Crane Cable Concept 8
3.1.7 Grounding Concept 9
3.1.8 Cooling and Airflow 9
3.1.9 Selection of Transformer 10
3.2 Assembling the Frequency Converter System
11
3.2.1 Tools Required 11
3.2.2 General Torque Tightening Values 11
3.2.3 Exploded Views 12
3.2.4 MDCIC Connector Configuration 15
3.3 First Power Up/Commissioning Check List
15
3.4 E-House Design
17
3.4.1 Cables between AFE and LCL Filters 17
3.4.2 Cables to the Damping Resistors 17
3.5 Test with the Real System Transformer and Motors
17
3.5.1 Re-program the Frequency Converter Parameters 17
3.6 On-site Final Test
17
3.6.1 Change Parameters to Actual 17
3.6.2 Run with Full Load 17
Contents
VLT
®
Active Front End AFE 302 Operating Instructions Liebherr
MG.33.X2.02 - VLT
®
is a registered Danfoss trademark 1