Transformer Calculators – kVA, FLC, Efficiency & Regulation | CircuitSecrets

⚡ Professional Transformer Calculators

Industry-Grade Tools for Electrical Engineers | CircuitSecrets

IEEE C57 IEC 60076 BS Standards

🔋 Transformer kVA Calculator

Calculate transformer rating based on voltage and current. Supports both single-phase and three-phase systems.

Phase Configuration

Single Phase

Three Phase

Primary Voltage (V)

Current (A)

Results

⚡ Full Load Current (FLC) Calculator

Calculate primary and secondary full load currents based on transformer rating and voltage levels.

Phase Configuration

Single Phase

Three Phase

Transformer Rating (kVA)

High Voltage (HV) - V

Low Voltage (LV) - V

Results

🔄 Transformer Turns Ratio Calculator

Calculate the turns ratio and voltage ratio between primary and secondary windings per IEC 60076.

Primary Voltage (Vp) - V

Secondary Voltage (Vs) - V

Results

📊 Transformer Efficiency Calculator

Calculate transformer efficiency based on output power and core/copper losses per IEEE C57 standards.

Output Power (kW)

Iron Loss / Core Loss (W)

Copper Loss / Winding Loss (W)

Results

📉 Voltage Regulation Calculator

Calculate voltage regulation based on impedance and power factor. Critical for voltage drop analysis.

% Impedance (Z%)

Power Factor (p.f.)

Power Factor Type

Lagging

Leading

Results

⚠️ Important Disclaimer

This calculator is for estimation purposes only. Always verify results with transformer nameplate data, manufacturer specifications, and comply with local electrical codes and standards (NEC, IEC, BS). For critical applications, consult with a licensed professional electrical engineer. CircuitSecrets and its contributors assume no liability for decisions made based on these calculations.

© 2024 CircuitSecrets | Professional Electrical Engineering Resources

Designed for Students, Site Engineers & Consultants