05Ago
Dimensionamento de APF a partir da Corrente Harmónica Medida: Degraus de kVA
APF sizing should begin with a measured harmonic-current profile at the agreed reference point, not from connected kVA, breaker rating, or a THD percentage copied from a drive display. Before···
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04Ago
Harmónicas dos variadores de frequência dos misturadores na indústria alimentar: análise dos alimentadores
Food plants run mixer and blender VFDs through batch fill, mix, and discharge cycles that create intermittent harmonic current on shared process feeders. Assessing food processing mixer VFD harmonics needs···
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04Ago
Harmónicos VFD de Ventilação de Túnel: Guia de Registo PCC
Road and rail tunnels modulate ventilation fans with traffic density and incident modes, so VFD harmonic current at the ventilation feeder changes with operating mode rather than with a fixed···
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03Ago
Harmónicos de VFD em Linha de Extrusão de Plástico: Registos de Funcionamento
Plastics plants run extrusion lines where screw-speed setpoints, melt-temperature control, and changeovers shift VFD harmonic current on shared feeders. Assessing plastic extrusion VFD harmonics needs operating logs tied to recipe···
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03Ago
Plano de Medição de Harmónicos VFD do RTG de Portaria
Container terminals run RTG cranes whose hoist and gantry VFDs create bursty harmonic current that coincides with vessel working windows. Assessing RTG crane VFD harmonics starts at the crane feeder···
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