Power factor Correction: Master power factor without the costs of a graduate degree.

1) Main features: A complete, practical guide to power factor correction in 50 Hz and 60 Hz systems (typical voltages: 220/380/690/4,160/6,600/11,000 V and 240/460/4,160/6,900/13,800 V). Step‑by‑step approach: every chapter includes a worked example, design recommendations, and actionable takeaways. Comprehensive coverage: motors (DOL and Y–Δ), transformers, lighting (individual and group), central banks, automatic controllers, CT placement, number of steps (including 1:2:2), energy‑based sizing, and payback analysis. Safety and reliability: coordination of fuses/conductors, inrush currents, self‑excitation, harmonic detuning, and voltage‑rise verification. Clear, instructional language for professionals, technicians, students, and self‑learners; ideal for direct application in real projects. Formulas presented in notation, supported by diagrams and explanatory schematics.
2) Book description:
Power Factor Correction is designed to take you from fundamentals to the technical and economic design of real‑world solutions. It starts with what power factor is and why it matters: reactive power increases current, losses, and voltage drop and can trigger utility penalties. From there, the text moves in a logical sequence: measurement and diagnosis, consequences of low PF, first step‑sizing calculations, and a comparison of individual, group, and central compensation.

The book then dives into specific applications: motors (including the “delta‑only” rule and self‑excitation risks), transformers (no‑load limits and the 50→60 Hz adaptation), and lighting (per‑lamp and group methods with coincidence factors). In the central‑bank section you’ll develop an automatic controller with hysteresis and dwell time, learn correct CT placement, define the number of steps including the 1:2:2 decomposition and apply a quick voltage‑rise check.

Finally, you’ll learn to size kvar using energy records (kWh/kvarh) and to evaluate project payback, closing with criteria for selecting conductors and fuses, handling inrush currents, and using detuning reactors. It’s a complete, clear, and practical manual that enables you to design, specify, and defend power factor correction projects at both 50 Hz and 60 Hz.

3) What you will learn: Diagnose power factor and distinguish between active, reactive, and apparent power. Measure PF with sound CT/VT practices and avoid errors caused by CT placement. Size capacitors for motors, transformers, and lighting (individual and group). Design central banks with automatic controllers, proper hysteresis, and dwell times. Define the number and size of steps (including the 1:2:2 strategy) and verify voltage rise. Calculate required kvar from energy records and estimate project payback. Prevent self‑excitation, limit inrush currents, and mitigate resonance with detuning reactors. Coordinate conductors and fuses (practical margins) and select equipment for safety and reliability. Apply all criteria at 50 Hz and 60 Hz with typical European and North American voltages. Produce clear, defensible technical specifications and calculation reports for clients or audits.