31Jul
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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30Jul
Separating Power-Factor and Harmonic-Distortion Decisions
A low displacement power factor and a high harmonic-current level are separate observations. One describes the phase relationship of fundamental current and voltage; the other describes non-sinusoidal current components. A···
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30Jul
Stamping Press Harmonics in Auto Plants: Burst Load Data
Stamping presses draw current in short bursts, so their harmonic signature depends on stroke rate, die state, and how many presses in a line hit peak load together. Measuring stamping···
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29Jul
Harmonic Resonance Troubleshooting After Capacitor Switching
Diagnosing a thd increase observed after capacitor bank stages switch should begin with a documented electrical boundary, representative operating record, and a defined decision. A meter reading, a component nameplate,···
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29Jul
Automotive Paint Shop VFD Harmonics: Line-Level Mitigation
An automotive paint shop runs VFDs on air-supply houses, booth exhaust fans, conveyors, and oven circulation, and those drives operate in long coordinated schedules rather than short cycles. Assessing paint···
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