Danfoss VLT AHF 005, Руководство по конструкции

Страница: 3 / 156

Contents
1 Introduction
4
1.1 Purpose of the Design Guide 4
1.2 Intended Use 4
1.3 Organization of the Design Guide 4
1.4 Abbreviations, Symbols, and Conventions 4
1.4.1 Abbreviations 4
1.4.2 Conventions 5
1.5 Document Version
5
1.6 Approvals and Certifications
5
1.6.1 CE Conformity and Labeling 5
1.6.2 CE Mark 5
1.6.2.1 Low Voltage Directive 6
1.6.2.2 EMC Directive 6
1.6.2.3 Machinery Directive 6
1.6.2.4 ErP Directive 6
1.6.3 UL Compliance 6
1.7 Safety
7
1.7.1 General Safety Principles 7
1.7.2 Qualified Personnel 7
2 Introduction to Harmonics and Mitigation
9
2.1 Harmonics and Mitigation
9
2.1.1 Linear Loads 9
2.1.2 Non-linear Loads 9
2.1.3 The Effect of Harmonics in a Power Distribution System 11
2.2 Harmonic Mitigation Standards and Requirements 11
2.2.1 Application-specific Requirements 11
2.2.2 Harmonic Mitigation Standards 12
2.3 Harmonic Mitigation 13
3 Basic Operating Principle of the AHF
14
3.1 Operating Principle 14
3.1.1 Power Factor 15
3.1.2 Capacitive Currents 16
3.2 Energy Efficiency 16
3.2.1 Introduction to Energy Efficiency 16
3.2.2 IE and IES Classes 17
3.2.3 Power Loss Data and Efficiency Data 17
3.2.4 Losses and Efficiency of a Motor 18
3.2.5 Losses and Efficiency of a Power Drive System 18
Contents Design Guide
MG80C502 Danfoss A/S © 10/2016 All rights reserved. 1