16 Sep, 2026
21Aug
How to Calculate Power Factor: Formulas and Plant Meter Steps
Learn how to calculate power factor from kW and kVA, three-phase V and I, or energy registers, then verify the number before choosing plant correction.
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21Aug
Leading vs Lagging Current Power Factor in Plant Decisions
Leading vs lagging power factor explained with a practical phase-direction test, load causes, meter-sign checks, overcorrection risks, and correction options.
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20Aug
What Type of Contactor Is Used with a Capacitor Bank?
Compare ordinary power contactors with capacitor-duty contactors, including AC-6b duty, inrush limiting, kvar sizing, and switching frequency.
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20Aug
Active Harmonic Filter Working Principle: Sensing to Source Current
Learn how an active harmonic filter senses load current, calculates a reference, and injects compensating current to reduce harmonics at the source.
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20Aug
Why Series Reactors Belong With Industrial Capacitor Banks
Learn why series and detuned reactors protect capacitor banks from harmonic resonance and switching inrush—and when a plain PFC bank is the wrong default.
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