Danfoss FC 300 Design Guide

FC 300 Design Guide
Contents
! How to Read this Design Guide .................................................. 5
" How to Read this Design Guide .................................................................. 5
" Approvals ............................................................................................... 5
" Symbols ................................................................................................. 6
" Abbreviations .......................................................................................... 6
" Definitions ............................................................................................. 7
" Power Factor ......................................................................................... 11
! Introduction to FC 3 0 0 ................................................................. 13
" Disposal Instructions .............................................................................. 13
" Software Version ................................................................................... 13
" CE Conformity and Labeling .................................................................... 14
" What Is Covered .................................................................................... 14
" Danfoss VLT Adjustable Frequency Drive and CE Labeling ............................ 1 5
" Compliance with EMC Directive 89/336/EEC ............................................... 15
" Air Humidity .......................................................................................... 15
" Aggressive Environments ........................................................................ 16
" Vibration and Shock ............................................................................... 16
" Control Principle .................................................................................... 16
" FC 300 Controls ..................................................................................... 17
" FC 301 vs. FC 302 Control Principle .......................................................... 18
" Control Structure in VVC
plus
..................................................................... 19
" Control Structure in Flux Sensorless (FC 302 only) ..................................... 2 0
" Control Structure in Flux with Motor Feedback ........................................... 21
" Internal Current Control in VVC+ Mode ..................................................... 22
" Local (Hand On) and Remote (Auto On) Control ......................................... 22
" Reference Handling ................................................................................ 25
" Scaling of References and Feedback ......................................................... 26
" Dead Band Around Zero .......................................................................... 27
" Speed PID Control ................................................................................ 31
" The following parameters are relevant for the Speed Control ........................ 31
" Process PID Control ............................................................................... 34
" Ziegler Nichols Tuning Method ................................................................. 39
" General Aspects of EMC E missions ............................................................ 40
" EMC Test Results (Emission, Immunity) .................................................... 42
" Required Compliance Levels .................................................................... 43
" EMC Immunity ...................................................................................... 43
" Galvanic Isolation (PELV) ........................................................................ 45
" Ground Leakage Current ......................................................................... 45
" Selection of Brake Resistor ...................................................................... 47
" Control with Brake Function ..................................................................... 49
" Control of Mechanical Brake .................................................................... 50
" Smart Logic Control ............................................................................... 51
" Extreme Running Conditions .................................................................... 52
" Motor Thermal Protection ........................................................................ 53
" Safe Stop of FC 300 ............................................................................... 54
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MG.33.B6.22 - VLT is a registered Danfoss trademark

Danfoss FC 300 Specifications

General

Brand	Danfoss
Model	FC 300
Category	DC Drives
Language	English