IEC calculators UAE / GCC defaults Word report Runs in your browser

Engineer's Apps

Free online calculators for electrical / power engineers, aligned with IEC standards. Every tool runs fully in your browser — no data leaves the page — and generates a Word report that you can attach to your design file.
Developed by Eng. Evgenii Buchinskii
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Electrical Designers Middle East
Calculator #001
Voltage Drop — LV & MV up to 33 kV
Multi-feeder, multi-segment voltage drop per IEC 60364-5-52 Annex D (LV) and IEC 60502-2 / IEC 60287 (MV). Built-in cable / OHL library (BS 5467, BS 7889, IEC 60502-2, IEC 61089). Regional presets (UAE / GCC / UK / EU). Word report with per-segment derivation.
IEC 60364-5-52 · IEC 60502-2 · IEC 60287 · IEC 60228 · IEC 61089
Calculator #002
Short-Circuit — IEC 60909 (LV & MV up to 33 kV)
Positive / negative / zero sequence calculation of I″k3, I″k2, I″k1, peak current ip and κ at every busbar. Multiple parallel sources (infinite bus, transformer, manual Z, known I″k, BESS, diesel generator). Cable / OHL / transformer elements with vector-group handling of zero-sequence.
IEC 60909-0 · IEC 60909-1 · IEC 60909-4 · IEC 60076 · IEC 60502-2