19Jul
Wastewater Pump VFD Harmonics: Mitigation Planning
Water and wastewater pump stations with variable-frequency drives should be assessed as part of an electrical system, not treated as a standalone harmonic label. Start by defining the connection point,···
Read More
18Jul
Arc Furnace Harmonics: APF Application Boundaries Guide
Electric arc furnaces, ladle furnaces, and steel-mill auxiliary loads should be assessed as part of an electrical system, not treated as a standalone harmonic label. Start by defining the connection···
Read More
18Jul
Hospital MRI Harmonics: Power Quality Assessment Guide
Mri, imaging, and related hospital electrical loads should be assessed as part of an electrical system, not treated as a standalone harmonic label. Start by defining the connection point, operating···
Read More
16Jul
IEEE 519 Harmonic Limits: What to Verify Before You Size an APF
IEEE 519 harmonic limits are a PCC-based design and verification framework for steady-state voltage and current distortion. Before an active power filter is sized, an engineer should define the user···
Read More
16Jul
VFD Harmonics in Industrial Plants: How to Measure and Select Mitigation
VFD harmonics in industrial plants should be investigated as a system issue, not assigned from a single drive nameplate. Variable-frequency-drive input rectifiers are nonlinear loads; they can inject harmonic current···
Read More
