Power Engineering Calculator

Power Engineering Calculator is the ultimate engineering utility app designed to aid learning and practical work in the fields of electrical and power systems engineering.

Whether you are a student majoring in electrical engineering, a candidate preparing for professional exams (such as FE/PE Exam), or a practicing power systems engineer, this app provides essential concept explanations and powerful calculation functions simultaneously.

This app covers core topics in power systems engineering, ranging from fundamental calculations such as power factor correction, Y-Δ (Wye-Delta) transformation, transmission line parameters, and complex matrix operations to advanced system solvers, including power flow calculations, symmetrical components and fault analysis, and transient stability analysis.

In addition, interactive visualizations help users intuitively understand key electrical and power engineering concepts, formulas, and calculations, providing an effective learning experience.

Study and calculate core electrical and power engineering concepts conveniently on your smartphone—anytime, anywhere!

■ Covered Topics & Modules

BASIC CALCULATIONS
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• RMS Calculation
• Phasor Conversion (Rectangular ↔ Polar)
• Instantaneous & Average Power
• Power Factor (PF)
• Power Factor Correction
• Y-△ (Wye-Delta) Transformation

LINE PARAMETERS
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• Resistance
• GMR(Geometric Mean Radius) of Conductors
• GMD(Geometric Mean Distance) for Single Phase
• GMD(Geometric Mean Distance) for Three Phase
• Inductance
• Capacitance

TRANSMISSION LINE MODELS
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• Line Dip (Sag) for Equal Height
• Line Dip (Sag) for Unequal Height
• Short Line Model
• T Line Model
• π Line Model
• Long Line Model

TRANSFORMER & PER-UNIT
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• Transformer Open-Circuit Test
• Transformer Short-Circuit Test
• Per-Unit(PU) Calculation
• Base Change in PU System

Ybus & POWER FLOW
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• Inverse Matrix(Real Number)
• Inverse Matrix(Complex Number)
• Bus Admittance Matrix(Ybus)
• Power Equations
• Linear Equation Y=AX
• Line Flow & Losses

FAULT ANALYSIS
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• Balanced Three Phase Fault
• Symmetrical Components (Sequence Networks)
• Single Line to Ground Fault (SLG)
• Line to Line Fault (LL)
• Double Line to Ground Fault (DLG)
• Transient Stability