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2 Design
Multi-function Compact Inverter 3G3MX2-V1 User’s Manual (I585-E1)
2-3
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In recent years, there is an increasing concern about harmonic currents generated from industrial
machinery.
The following provides an overview of harmonics and measures against harmonics implemented in this
inverter.
z
Harmonics
The voltage or current whose frequency is an
integral multiple of certain standard frequency
(base frequency) is called a harmonic.
If a commercial power supply frequency of 60 Hz
(50 Hz) is the reference frequency, the harmonics
of that signal is:
x2 = 120 Hz (100 Hz),
x3 = 180 Hz (150 Hz),
and so on.
z
Reason why harmonics cause problems
As the number of harmonics increases, the wave-
form of the commercial supply has more distor-
tion. This distortion causes the malfunction of the
connected equipment or leads to abnormal heat
generation.
Harmonic Current Measures and DC/AC Reactor Wiring (+1, P/2)
2nd harmonics (120 Hz)
3rd harmonics (180 Hz)
Base frequency
(60 Hz)
3rd harmonics (180 Hz)
Base frequency (60 Hz)
Distorted waveform
Содержание SYSDRIVE MX2 SERIES
Страница 1: ...Multi function Compact Inverter MX2 Series Type V1 User s Manual I585 E1 01 3G3MX2 A V1 ...
Страница 32: ...CONTENTS 29 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Страница 108: ...2 Design 2 48 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Страница 176: ...4 Parameter List 4 42 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Страница 310: ...6 Vector Control and Applied Functions 6 68 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Страница 516: ...9 Overview of DriveProgramming 9 4 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Страница 538: ...10 Troubleshooting 10 22 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Страница 598: ...12 Options 12 50 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Страница 614: ...Appendices A 16 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Страница 615: ...I 1 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 I Index ...