# Calculator Electric - I7 & IEC

> Professional electrical calculator · Normative I7 · IEC 60364 · 100% offline

Canonical page: [https://chrome-stats.com/d/ro.solener.app](https://chrome-stats.com/d/ro.solener.app)

## Overview

- **ID:** `ro.solener.app`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Calculator Electric - I7 & IEC
- **Category:** TOOLS
- **Downloads:** 38
- **Version:** 1.5.1
- **Last updated:** 2026-09-21
- **First published:** 2026-08-14
- **Publisher country:** RO
- **Size:** 46 MB
- **Data as of:** 2026-09-26
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=ro.solener.app)
- **Website:** [https://solener.ro](https://solener.ro/)
- **Privacy policy:** [https://solener.ro/privacy.html](https://solener.ro/privacy.html)

## Description

Professional Electrical Calculator for ANRE certified electricians, installers and engineers in Romania.<br><br>The only calculator with complete Romanian standards:<br>✓ Normative I7 — electrical installations in buildings<br>✓ IEC 60364-5-52 — installation methods A1–G<br>✓ IEC 60909 — short-circuit calculation<br>✓ PE 116 / NTE 007 — earthing points<br>✓ IEC 60364-7-712 — photovoltaic installations<br>✓ ANRE 2024 procedures — prosumer connection<br>✓ VDI 2078 — cooling requirements for technical spaces<br><br>BASIC CALCULATIONS — FREE:<br>- Cable section — Cu/Al, PVC/XLPE, methods A1–G, k1×k2 manual<br>- Voltage drop — ΔU single/three-phase, BMP/transformer/motor limits<br>- Circuit breaker — B/C/D curves, cable length check<br>- Power and current — P, Q, S, I, cos φ<br>- Resistor color code — 4–6 IEC bands 60062<br>- Converter — AWG↔mm², Delta↔Star, kW↔HP, °C↔°F<br>- Cos φ compensation — kVAr, capacitor capacity<br>- Cable temperature at short circuit<br>- Maximum cable length<br>- Battery autonomy — DoD, efficiency<br>- Connector pinout — RJ45, USB, HDMI, RS-232, XLR<br>- IP/IK/NEMA grades — complete table<br>- Electrical symbols — SR EN 60617<br>- Distribution diagrams — TT, TN-C, TN-S, TN-C-S, IT<br><br>ADVANCED CALCULATIONS — PRO:<br>- Photovoltaic calculator — DC strings, production 41 PVGIS counties<br>- Electric motor — rated current, Y-Δ, VFD, connection diagrams<br>- Short circuit — Icc, K²S², single/three-phase IEC 60909<br>- Earthing — vertical/horizontal/plate electrodes<br>- Neutral current — unbalanced load<br>- Cooling required — VDI 2078, technical spaces<br>- Conduit bending — offset, 90°, saddle<br>- Tube filling — 40% I7 verification<br>- ANRE 2024 checklist — 10 steps for PV prosumer connection<br>- Material estimate — with 21% VAT<br>- Work cost estimate — labor + materials + profit<br>- Professional PDF export — with your company&#39;s letterhead<br>- Saved projects<br>- I7 Normative Guide — practical explanations with examples<br><br>PRO SUBSCRIPTIONS:<br>- Monthly: €1.99/month<br>- Annual: €9.99/year (savings 58%)<br>- Promo code: directly from the application<br><br>WHY ELECTRICAL CALCULATOR - I7 &amp; IEC:<br><br>✓ 100% offline — works without internet<br>✓ No account required — you start instantly<br>✓ 4 languages: Romanian, English, Spanish, Italiano<br>✓ Formulas verified according to current regulations<br>✓ Real PVGIS data for all counties of Romania<br>✓ Export PDF with your company letterhead<br>✓ Landscape support for tablets<br><br>Ideal for: ANRE certified electricians, PV installers, design engineers, electrical engineering students, electrical panel technicians.

## Rankings

- #2,399,051 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `ro.solener.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/ro.solener.app)