Apps
Electrical engineering tools based on IEC/IEEE/NEC standards.
Unit Converter
13 categories, 100+ units — length, power, energy, pressure and more.
Electricity Price Map
Day-ahead market prices for Europe & Türkiye.
AI Engineering Assistant
AI-powered electrical engineering calculation and recommendation assistant.
Battery Storage (BESS) Sizing
BESS capacity, power and C-rate sizing. LFP, NMC, VRLA chemistries.
🔒 Sign up to unlockCurrent / Voltage Transformer
CT/VT selection, ratio, burden and accuracy class calculation.
🔒 Sign up to unlockCurrent Calculation
Current calculation for single/three-phase AC and DC systems.
DC Cable Sizing
DC cable sizing for PV solar systems.
🔒 Sign up to unlockGrounding Calculation
Earth electrode resistance, touch and step voltage (IEC 60364).
🔒 Sign up to unlockLV Cable Sizing
Cable cross-section, current carrying capacity and voltage drop.
MV Cable Sizing
Medium voltage cable sizing and short circuit withstand check.
🔒 Sign up to unlockMV/HV Voltage Drop
Voltage drop and power loss in MV and HV overhead lines and cables.
🔒 Sign up to unlockPole Top Force Calculator
MV/HV overhead line pole top force and OPGW replacement analysis (IEC 60826).
Power Factor Compensation
Reactive power compensation and capacitor bank sizing.
🔒 Sign up to unlockProtection Relay Calculation
50/51, 50N/51N overcurrent relay pickup and TCC (IEC 60255).
🔒 Sign up to unlockPV Inverter Compatibility
PV module–inverter compatibility check and string sizing.
🔒 Sign up to unlockPV Performance Analysis
Monthly/annual PR, loss analysis, temperature-corrected yield.
Short Circuit Calculation
3-phase short circuit current and peak value.
🔒 Sign up to unlockSingle Line Diagram Generator
Electrical single-line diagram in SVG/PDF. Transformer, busbar, loads.
🔒 Sign up to unlockSolar PV Feasibility
Rooftop/ground PV feasibility, annual yield and investment payback.
Transmission Line Sizing
ACSR/AAC conductor selection, thermal rating and circuit recommendation (MCM).
🔒 Sign up to unlockWind Energy Calculation
Capacity factor, annual energy production (AEP), Weibull distribution.
🔒 Sign up to unlock