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Electrical

5 calculators in this category.

Power Systems

Three-Phase Power & Load Balance Advanced Calculator Calculate average phase current, current imbalance, apparent power, real power, usable output, and recommended transformer capacity. →

Wiring & Voltage Drop

Voltage Drop & Conductor Comparison Advanced Calculator Estimate circuit resistance, voltage drop, delivered voltage, power loss, conductor length, and material cost for a proposed feeder or branch circuit. →

Transformers

Transformer Load, kVA & Efficiency Advanced Calculator Compare transformer input and output kVA, load percentage, real power, estimated loss, voltage ratio, and capacity headroom. →

Grounding

Grounding Electrode Parallel Resistance Advanced Calculator Compare ideal and spacing-adjusted grounding resistance, improvement, conductance, estimated voltage rise, and fault energy for multiple electrodes. →

Lighting

LED Retrofit Savings & Payback Advanced Calculator Calculate annual energy savings, demand reduction, project cost, maintenance savings, simple payback, and five-year net benefit for an LED retrofit. →
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