Danfoss VLT 2800 Design Guide

Contents
1 Introduction to VLT 2800
6
1.1 Purpose of the Manual
6
1.2 Available Documentation
6
1.3 Document and Software Version
6
1.4 Technology
6
1.5 Approvals and Certifications
7
1.6 Disposal
8
1.7 Selecting the Correct Frequency Converter
9
1.7.1 Introduction 9
1.7.2 Enclosure 10
1.7.3 Brake 10
1.7.4 RFI Filter 10
1.7.5 Harmonic Filter 10
1.7.6 Control Unit 10
1.7.7 FC Protocol 11
1.7.8 Fieldbus Option 11
1.7.9 Motor Coils 11
1.7.10 RFI 1B Filter 12
1.7.11 RFI 1B/LC Filter 13
1.8 Order Form
15
1.9 PC Software
16
1.10 Accessories for VLT 2800
17
1.11 Brake Resistors
17
1.11.1 Dynamic Braking 17
1.11.2 Brake Set-up 18
1.11.3 Calculation of Brake Resistance 18
1.11.4 Calculation of Braking Power 18
1.11.5 Calculation of Peak Power of Brake Resistor 19
1.11.6 Calculation of Mean Power on Brake Resistor 19
1.11.7 Continuous Braking 19
1.11.8 DC Injection Braking 19
1.11.9 AC-braking 19
1.11.10 Optimal Braking Using Resistor 20
1.11.11 Brake Cable 20
1.11.12 Protective Functions During Installation 20
1.11.13 Brake Resistors 22
1.12 LCP Operation
23
1.12.1 Control Unit 23
1.12.2 Control Keys 23
Contents Design Guide
MG27E402 Danfoss A/S © Rev. May/2014 All rights reserved. 1

Danfoss VLT 2800 Specifications

General

Brand	Danfoss
Model	VLT 2800
Category	DC Drives
Language	English