Blog — GorkyCAD Pro
Articles, guides and news about electrical design in GorkyCAD Pro.
PLC programming for electricians: where to start
What a PLC is, which programming languages (LD, FBD, ST), how an electrician can transition to automation, which controllers are popular (Siemens, Allen-Bradley, OWEN, Segnetics).
Relay protection basics: overcurrent protection explained
What is overcurrent protection (OCP), instantaneous overcurrent (IOC), how to calculate settings, example for a 10 kV cable line. In simple terms.
Free software for electricians in 2025
Overview of free software: QElectroTech, ProfiCAD, KOMPAS-Electric Express, GorkyCAD Free, short-circuit calculators, Dialux. What to choose and when.
How to read single-line diagrams: complete guide
What is a single-line diagram, symbols — breakers, RCDs, disconnectors, meters, transformers. Step-by-step analysis of a real main switchboard diagram.
Why you don't need AutoCAD Electrical for an apartment
We examine why heavy CAD systems are overkill for apartment and house electrical design, and how GorkyCAD solves this in minutes.
How to calculate cable cross-section: step-by-step guide
Detailed guide to cable cross-section calculation by heating and voltage drop with examples for copper and aluminum.
Single-line diagram in 5 minutes
How GorkyCAD automatically builds a single-line diagram from the floor plan — without drawing a single line.
What is protection selectivity and why you need it
We explain the concept of protection selectivity in simple terms. Why a short circuit in an outlet shouldn't shut down the entire floor.
How AI helps the electrician (without replacing them)
We talk about GorkyCAD philosophy: AI is an assistant, not an engineer replacement. How smart hints save hours of work.
GorkyCAD vs EPLAN: honest comparison for designers
Comparing GorkyCAD Pro and EPLAN Electric P8 across 15 criteria: price, features, platform, automation. No marketing — just facts.
Apartment electrical design per PUE: complete walkthrough
Step-by-step walkthrough of a real 60 m² apartment electrical project: plan, load calculation, breaker selection, panel layout, and BOM.
The future of CAD is in the browser: why desktop is fading
Analyzing the tectonic shift in CAD: WebAssembly, WebGPU, PWAs, and cloud computing are changing the game. Why Figma, Onshape, and GorkyCAD bet on the web.
Automatic panel assembly: how it works in GorkyCAD
Breaking down the automatic panel assembly algorithm: from feeder topology to device placement on DIN rails and auto-busbars.
How to calculate room illuminance per SP 52.13330 and IS 3646
Detailed guide to illuminance calculation: utilization factor method, example for a 12 m² kitchen, comparison of Russian and Indian standards.
Voltage drop in real projects — common mistakes
Three real-world voltage drop calculation mistakes: undersized cable, forgotten length, parallel cables. With numbers and fixes.
RCD types AC, A, B — differences and when to use each
Complete breakdown of RCD types: what leakage currents they detect, where they are mandatory, what PUE and IEC 60755 say. With comparison table.
Top 5 mistakes in apartment panel layout design
Breaking down five critical mistakes in apartment panel design: from insufficient modules to wrong RCD selection. With fixes.
How to migrate from AutoCAD Electrical to GorkyCAD: a migration plan
Step-by-step plan for migrating from AutoCAD Electrical to GorkyCAD: data export, library migration, team training, first projects, and efficiency evaluation.
IEC 60364 vs PUE vs IS 732: comparing electrical standards
Comparative analysis of three standards systems: Russian PUE, international IEC 60364, and Indian IS 732. Key differences in calculations, terminology, and requirements.
Smart home electrical design: what you need to consider
Smart home electrical design specifics: panel requirements, controller power supply, ELV circuit protection, redundancy, and KNX/Zigbee integration.
Power Factor Correction: When You Need It and How to Calculate
What cos φ is, why low power factor leads to penalties and overheating, compensation formula with a 100 kW office example, compensator types and payback periods.
Grounding Types Explained: TN-C, TN-S, TN-C-S, TT, IT
Five earthing systems per IEC 60364: letter decoding, where used, schematics of each system, pros and cons, choosing for your project, PUE Chapter 1.7 requirements.
Cable Routing: 12 Rules That Will Save Your Project
Route planning, bend radii, no concealed wiring without diagram, load-bearing wall chasing regulations, conduit capacity reserve, labeling, mixed routing restrictions, distance from heating pipes.
Power Supply Categories: Class 1, 2, 3 — What Every Designer Must Know
Three reliability categories per PUE, consumer examples, source requirements, impact on panel design, implementation costs, common mistakes.
SPD Guide: Surge Protection for Electrical Panels
What surge overvoltage is, three SPD classes (I/B, II/C, III/D), where to install each, coordination scheme, how to select by parameters, PUE/IEC requirements.
Circuit breaker selection: complete guide
How to choose the rating, curve, and series of a circuit breaker. Current calculation, selectivity check, common mistakes.
Electricity metering automation in design
Integrating pulse-output meters into your design. Connection diagrams, CT selection, AMR system based on GorkyCAD.
Fire alarm electrical supply design
SP 5.13130 requirements for fire alarm power supply. Reliability category, ATS, fire-resistant cables, batteries.
Cable tray types and fill calculation
How to select a cable tray per IEC and calculate fill. Tray types, fill factor, calculation example.
Electrical safety calculations: S/C current, phase-neutral loop
Automating calculations in GorkyCAD. Single-phase S/C current, disconnection time check, phase-neutral loop.
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