Philippine Electrical Code Common Violations – Working Space Violation
This is a series of articles where we shall be discussion the common violation on the Philippine Electrical Code. It is the assumption of this series of article that the …
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Philippine Electrical Code Common Violations – Grounding and Bonding Between the Service Disconnect and Feeder Panelboard
This is a series of articles where we shall be discussion the common violation on the Philippine Electrical Code. It is the assumption of this series of article that the …
Philippine Electrical Code Common Violations – Conductor Box Fill
This is a series of articles where we shall be discussion the common violation on the Philippine Electrical Code. It is the assumption of this series of article that the …
Selection of Variable Frequency Drives – Examples
The equations for calculating the power requirement for VFD has been discussed in Selection of Variable Frequency Drives. Using the equation below, we will provide some examples on selecting a …
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 …
Power Factor Correction and Harmonic Resonance: A Risky Combination
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 …