Danfoss VLT 380-500 V Design Manual page 166

Index
Current
Distortion......................................................................................... 101
Fundamental current................................................................... 100
Harmonic current.......................................................................... 100
Harmonics........................................................................................ 100
Input................................................................................................... 100
Mitigating motor........................................................................... 105
Current limit control............................................................................ 16
D
DC braking.............................................................................................. 19
DC link........................................................................................... 112, 113
Dead band around zero................................................................... 139
Definitions............................................................................................ 160
Derating.............................................................................. 15, 16, 58, 81
Derating tables........................................................................ 59, 60, 61
Digital inputs................................................................................ 69, 161
Digital outputs.................................................................................... 161
Digital Outputs...................................................................................... 69
Dimensions............................................................................................. 81
Directive EMC........................................................................................... 7
Directive low voltage............................................................................. 7
Directive machinery............................................................................... 7
Discharge time......................................................................................... 6
Drive configurator................................................................................ 62
DU/dt........................................................................................ 65, 79, 113
Dynamic brake.................................................................................... 123
E
Electro-magnetic brake................................................................... 123
Electro-mechanical brake............................................................... 158
Electronic thermal relay................................................................... 161
EMC
Compliance........................................................................................ 17
Directive................................................................................................. 7
Electrical installation guidelines................................................. 97
Emissions............................................................................................ 89
Immunity requirements................................................................ 96
Precautions......................................................................................... 97
Requirements.................................................................................... 95
Test results................................................................................... 90, 92
EMC......................................................................................................... 100
EN standards........................................................................................ 102
Encoder................................................................................. 70, 157, 161
Encoder direction............................................................................... 157
Energy efficiency................................................................................... 53
Energy efficiency class........................................................................ 53
ETR........................................................................................................... 161
Export control regulations................................................................... 8
External 24 V DC supply..................................................................... 75
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VLT Parallel Drive Modules
External alarm reset........................................................................... 154
External safety device......................................................................... 20
Extreme running conditions.......................................................... 112
F
Fans..................................................................................................... 17, 85
Feedback........................................................................................ 21, 121
Filter configuration....................................................................... 66, 67
Filters........................................................................................... 65, 79, 83
Filters
DU/dt............................................................................................. 65, 79
Sine-wave.................................................................................... 65, 79
Flux.......................................................................................................... 132
Flying start.............................................................................................. 18
Fourier series analysis....................................................................... 100
Freeze output...................................................................................... 161
Full motor torque.................................................................................. 18
Fuse............................................................................................................ 81
G
Galvanic isolation........................................................................ 68, 104
Gases......................................................................................................... 83
Generatoric braking.......................................................................... 123
Generic emission standards.............................................................. 95
Ground fault protection..................................................................... 16
Ground loop......................................................................................... 100
Grounding, shielded control cable.............................................. 100
H
Hand-on................................................................................................ 133
Harmonics
Analysis............................................................................................. 100
Distortion......................................................................................... 100
EN standards................................................................................... 102
IEE standards................................................................................... 103
Negative effects of........................................................................ 101
Overload prevention.................................................................... 100
Voltage harmonics........................................................................ 101
Within a power distribution system........................................ 101
High carrier frequency........................................................................ 15
High voltage............................................................................................. 6
HIPERFACE®.......................................................................................... 161
Hoisting................................................................................................. 123
Humidity........................................................................................... 81, 83
I
IEE standards........................................................................................ 103
Imbalance................................................................................................ 21
Industrial environment....................................................................... 95
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