GridPulse: Electrical & Power Systems Engineer Companion

About

⚡ GridPulse: AI-Powered Toolkit for Electrical & Power Systems Engineers

GridPulse is a free, professional-grade Chrome extension built specifically for electrical engineers, power systems engineers, EE students, and anyone who works with NEC code, IEEE standards, and power system calculations daily.

Stop switching between scattered tools, PDFs, and spreadsheets. GridPulse puts everything you need — calculators, code references, and AI assistance — one click away in your browser toolbar.

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🔧 8 PROFESSIONAL ENGINEERING TOOLS
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⚡ Fault Current Calculator
- 3-phase, line-to-line, and line-to-ground short-circuit analysis
- IEEE C37 / IEC 60909 compliant
- Includes transformer impedance, cable impedance, and source MVA inputs
- X/R ratio calculation and breaker AIC sizing guidance
- AI-powered safety review of results

📉 Voltage Drop Calculator
- Supports 3-phase and single-phase systems
- NEC 210.19(A) compliance check (3% branch / 5% feeder limits)
- Conductor resistance and reactance accounted for
- Automatic pass/fail status with receiving-end voltage
- AI suggestion for optimal wire sizing

⟳ Power Factor Correction
- Capacitor bank kVAR sizing from current PF to target PF
- Calculates current reduction and estimated annual utility savings
- 3-phase and single-phase support
- AI advice on capacitor placement and resonance risks

🔌 Transformer Calculator
- FLA calculation for primary and secondary windings
- Efficiency analysis at any load percentage
- Core loss and full-load copper loss inputs
- Available fault current on secondary
- AI evaluation of loading economics and loss minimization

⚙ Motor Starting Calculator
- Full-load ampere (FLA) per NEC Table 430.250
- Locked rotor current (LRC) and voltage dip analysis
- Four starting methods compared: DOL, Star-Delta, Auto-Transformer, VFD
- NEC 430 overcurrent protection device (OCPD) sizing
- Motor circuit conductor (MCA) calculation
- AI recommendation for best starting method based on system impedance

🔋 Cable Ampacity — NEC 310.16
- Copper and aluminum conductor support
- 60°C / 75°C / 90°C insulation ratings (TW, THW, THHN)
- Ambient temperature correction factor applied automatically
- Conduit fill derating (up to 41+ conductors)
- Full ampacity table for all standard AWG and kcmil sizes

📐 Quick Reference — Formulas & Constants
- 8 key power engineering formulas always at your fingertips
- Three-phase power, per-unit, fault current, voltage drop, PF correction, transformer Z, motor FLA, symmetrical components
- Physical constants: HP conversion, √3, copper and aluminum resistivity
- Click any formula to get an AI explanation with real-world examples

🤖 AI Engineering Chat (Groq-Powered)
- Ask any power systems engineering question in plain English
- Get NEC code citations, IEEE standard references, and practical guidance
- Analyze calculator results with AI commentary
- Lightning-fast responses powered by Groq's LPU inference engine
- Your API key stays in your browser — no data sent to any third-party server

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✅ WHY ENGINEERS LOVE GRID PULSE
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✓ Completely FREE — no subscription, no paywall, no credit card
✓ Works offline for all calculators (AI requires internet)
✓ No account required — just install and go
✓ Privacy-first: your API key is stored only in your local browser storage
✓ NEC and IEEE compliant calculations with clear formula breakdowns
✓ Built by engineer, for engineers

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🚀 GETTING STARTED
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1. Install GridPulse from the Chrome Web Store
2. Click the ⚡ icon in your toolbar to open the extension
3. Use all 7 calculators instantly — no setup required
4. To enable AI features: get your FREE Groq API key at http://console.groq.com/keys (no credit card needed), then paste it in GridPulse Settings

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🔒 PRIVACY & PERMISSIONS
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GridPulse requests only two permissions:
- storage — to save your Groq API key locally so you don't have to re-enter it
- https://api.groq.com/* — to send your questions to the Groq AI API when you use the AI chat feature

No browsing data is collected. No analytics. No ads. Ever.

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GridPulse is the companion tool every power systems engineer has always needed — professional-grade calculations, NEC/IEEE references, and AI expertise, all in one free browser extension.

Install free today. ⚡