Przykład: 80 m
3×2,5 mm², 16 A: 8,6% — za dużo. 3×6 mm² → 4,3%.
Przykład: sauna
9 kW, 40 m: 5×4 mm² → 2,2%.
Przykład: biuro
Serwerownia 20 A: 2,5%.
Zasada
Do 20 m standard; od 30 m sprawdź.
Design 2025-06-08 · 8 min
Spadek napięcia — przykłady
Integrating pulse-output meters into your design. Connection diagrams, CT selection, AMR system based on GorkyCAD.
Author: GorkyCAD Team
Inne artykuły
Design 2025-07-10
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).
Design 2025-07-12
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.