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Inverter Drive Systems Ltd

IDS are ABB Inverter specialists. We specify, install, commission, repair, service and hire variable speed drives.

ABB Ultra Low Harmonic Variable Speed Drives

ABB Ultra Low Harmonic Variable Speed Drives

Understanding Harmonics To appreciate the full benefits of ABB’s Ultra Low Harmonic drives, it’s necessary first to understand the concept of harmonics. Essentially, harmonics are unwanted currents that flow within a power system, caused by non-linear electrical loads. Non-linear loads, such as variable speed drives, switch power on and off abruptly to control the output. This action can cause a distortion of the electrical waveform, resulting in harmonics. Harmonics have the potential to impact negatively…

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