Features & Capabilities

TrafoCalc is a professional transformer calculator designed for site engineers, testers, and utility personnel.

TrafoCalc is a practical transformer calculation tool built specifically for field engineers, commissioning teams, and utility professionals. Designed for real-world use at substations and test sites, TrafoCalc provides fast, reliable calculations without spreadsheets or manual formulas. Key Features • Rated current calculation (HV & LV, 3-phase) • Transformer ratio calculation based on vector group • Full tap-changer support (Tap 1 = highest voltage) • Per-tap voltage and ratio calculation • ±0.5% ratio tolerance range for testing reference • Short-circuit current calculation • Supports common IEC vector groups (Dyn, YNd, Yy) • Clean, offline-ready interface Built for Professionals TrafoCalc follows IEC-based formulas and is suitable for: • Factory Acceptance Tests (FAT) • Site Acceptance Tests (SAT) • OLTC verification • Ratio testing reference • Substation commissioning No ads. No clutter. Just the calculations engineers actually need.

User Growth & Download Statistics

App
By:
Mohd Dahnial Ismail
Version:
1.0.1 Last updated: 2026-01-25
Version code:
881824519
Creation date:
2026-01-16
Compatible devices:
Size:
4.48MB
Price:
4.9
URLs:
Privacy policy
Full description:
See detailed description
Source:
Apple Apps Store
Data ingested on:
2026-06-07
Compare stats and ranking:

Ranking

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
Developed by:
Mohd Dahnial Ismail
Apple Apps Store
https://apps.apple.com/my/app/trafocalc/id6757797482

Best TrafoCalc Alternatives

Here are some Apple apps that are similar to TrafoCalc: