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All Updated Guides

Core vs Copper Loss Formula (η≈98.9% Example)

Core vs copper loss formulas with η≈98.9% worked example. Free transformer efficiency guide—size kVA, then check losses at your load.

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3-Phase Unbalanced Load Formula (% + Causes & Fixes)

Unbalanced load in 3-phase systems: % formula, causes, and correction steps. Free worked example—verify currents with the 3-phase power calculator.

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Capacitor Bank Sizing (kVAR Formula & PF Correction)

Size capacitor banks for power factor correction: kVAR = kW × (tan θ1 − tan θ2). Free formula, penalty payback table, and examples—verify with the kW to kVAR calculator.

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PFC Harmonics & Detuned Capacitors (THD Thresholds & Formula)

Avoid capacitor resonance in power factor correction: THD limits, detuned vs standard banks, selection examples. Free formula for engineers planning PFC.

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Transformer Sizing for Data Centers (UPS, Redundancy and Harmonics)

Transformer sizing for data centers for electrical engineers and designers: UPS transformer sizing, N+1 redundancy, harmonics and derating, with kVA examples.

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PF Penalty in Electricity Bill (LPF Formula, TNEB/EB Examples)

PF penalty / LPF on electricity bills (often ~0.90): TNEB/EB-style formulas & examples. Free guide—size kVAR to avoid surcharges.

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Measure 3-Phase PF with Clamp Meter (True vs Displacement)

Measure 3-phase PF with clamp meter or analyzer: true vs displacement PF, field steps, examples. Free guide—verify with kW to kVA.

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Factory Load Mistakes (Not the Formula Guide)

Factory load calculation mistakes that cost capital: connected vs demand, wrong PF, and diversity errors. Free audit examples—formula steps live on the how-to guide.

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Factory Load vs Transformer Size (e.g. 500 kW → kVA)

Factory load vs transformer size: convert demand kW to kVA with PF (e.g. 500 kW @ 0.85 → ~588 kVA). Free relation guide + calculator links.

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Factory Load vs Energy Cost: Demand, PF & $ Impact Table

See how connected vs demand load drives kW charges and PF penalties—worked $/month examples. Primer before the energy audit playbook.

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