16 Set, 2026
02Ago
Guia de Harmónicas de VFD para Sopradores de Aeração de Tratamento de Água
Water treatment plants run large aeration blowers on VFDs whose speed tracks dissolved-oxygen setpoints, so harmonic current at the blower feeder rises and falls with biological demand rather than with···
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01Ago
Commissioning Multiple APFs for Parallel Load Sharing
Parallel APF commissioning is a coordinated acceptance activity. Each unit needs a valid current reference, compatible operating settings, and staged observations at the common bus before any sharing behavior is···
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01Ago
Harmónicos de VFD em Impressão e Embalagem: Limites de Condensadores
Printing and packaging lines run VFDs on unwinders, press units, dryers, laminators, and slitters, and many of these plants also carry legacy power factor capacitor banks. Assessing printing and packaging···
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31Julho
Using Harmonic Impedance Evidence Before Adding Capacitor Stages
An impedance scan is a study and evidence activity, not a catalog selection rule. It examines how the bus may respond across frequencies under defined network and switching scenarios before···
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31Julho
CNC Machine Tool Harmonics: Grounding, VFD, APF Selection
A CNC machining area combines spindle drives, axis servos, coolant pumps, and chip conveyors, and its harmonic profile shifts with part programs and tool changes. Assessing CNC machine tool harmonics···
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