Selection of Variable Frequency Drives
The size of a variable frequency drive (VFD) should be based on motor voltage and current and not on the torque or power rating. The voltage and full load current …
The size of a variable frequency drive (VFD) should be based on motor voltage and current and not on the torque or power rating. The voltage and full load current …
Capacitors are intended to solve problems, but if not properly specified, they can also create new ones. Industrial and commercial customers are always examining their monthly electrical usage for cost-saving …
This is a continuation of the article Effect of Cable length on Variable Frequency Drive. Cable Resonance When dealing with Variable Frequency Drives (VFDs), the cable length between the VFD …
Every cable has, apart from its resistance, certain inductance and capacitance. The inductance and capacitance is roughly equally distributed along the cable length. Inductance L and capacitance C in a …
Administrative Order of 1987 The Philippine Electrical Code (PEC) is based on the National Electrical Code (NFPA 70) with a major update on changing the Imperial Units to Metric Units …
Power transformer sizing standards according to IEEE (Institute of Electrical and Electronics Engineers) and IEC (International Electrotechnical Commission) differ in certain key aspects. Here’s a breakdown of the major differences …