Power Engineering Insights

Practical engineering knowledge from 20+ years in the field

Transformers · Switchgear · Protection Relays · Power Quality · AI in Power Equipment

📝 Latest Articles

Transformers

Transformer Sizing: A Practical Guide for Engineers

How to calculate the right transformer size for industrial applications — with real-world examples.

5 Ways AI Is Transforming Power Equipment Maintenance

From predictive analytics to digital twins — how AI is changing the way we maintain power systems.

Common Failure Modes in HV Switchgear and Prevention

Understanding the most frequent failure mechanisms and how proper maintenance can prevent them.

🔧 Featured Tools

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Transformer Sizing Calculator

Calculate kVA ratings based on load

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Voltage Drop Calculator

Calculate cable voltage drop

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Power Factor Correction

Calculate required capacitor bank

📝 All Articles

🔧 Engineering Calculators

Free online tools for electrical engineers. Quick, accurate, no sign-up required.

⚡ Transformer Sizing

Total Load (kVA) Future Expansion Margin (%)

Transformer Size: 180 kVA

📏 Voltage Drop Calculator

Current (A) Length (m) Cable Size (mm²)

Voltage Drop: 2.35 V (0.57%)

🔄 Power Factor Correction

Active Power (kW) Current Power Factor Target Power Factor

Required Capacitor: 42.3 kVAr

👤 About

👨‍🔧

20+ Years in Power Equipment R&D

I'm an electrical engineer specializing in power equipment design, testing, and application. This site shares practical knowledge gained from two decades of working with transformers, switchgear, protection systems, and now — the intersection of AI and power engineering.

⚡ Transformers 🔌 Switchgear 🛡️ Protection 🤖 AI in Power 📊 Power Quality

📧 Contact: (coming soon)