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Buck-Boost Transformer Sizer
Booster kVA from load current times correction volts. 3 inputs, 3 outputs.
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Load & Power calculators
Load and power: single and three-phase power, kVA, power factor, and panel load summaries.
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Control Transformer VA Sizer
Control power transformer VA per NEC 450: inrush plus sealed burden stepped to a standard CPT size. 5 inputs, 4 outputs with grouped results.
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Dwelling Service Load Calculator
Residential service size by NEC 220.82: general load with demand plus larger HVAC. 5 inputs, 4 outputs with grouped results.
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Electrical Unit Converter
Volts, amps, watts, VA, ohms from V, A, PF. 3 inputs, 3 outputs.
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Generator Sizer
Genset kVA from running kW plus 6x largest-motor starting kVA. 2 inputs, 3 outputs.
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Harmonic Neutral Sizer
Neutral ampacity for nonlinear loads with the 200% neutral call. 3 inputs, 3 outputs with grouped results.
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kW kVA Power Factor Converter
Convert kW, kVA, PF both ways; capacitor kVAR to reach target PF; annual demand-cost of low PF. 4 inputs, 5 outputs with grouped results.
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Panel Load Summary
Sum up to five load groups with demand factor into feeder amps, kVA and standard main size. 9 inputs, 6 outputs with grouped results.
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Power Factor Correction Calculator
Billed demand, monthly and payback-weighted penalty, capacitor bank kVAR with standard step rounding. 5 inputs, 6 outputs with grouped results.
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Single-Phase Power Calculator
Volts, amps, watts, VA and continuous-load headroom for single-phase branch circuits. 5 inputs, 4 outputs with grouped results.
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Three-Phase Power Calculator
Power, current, kVA, PF and efficiency-corrected sizing current for three-phase systems. 5 inputs, 6 outputs with grouped results.
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Transformer Inrush Estimator
First-cycle inrush at 10x FLA, single or three phase. 3 inputs, 2 outputs.
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