Eelectricalsteel·4h agoEstimating Core Loss for a Non-Oriented Electrical Steel Stack in Python (50W470 Example)Turn the 50W470 grade code into stack mass, lamination count and core loss with a short Python script, plus the limits of the estimate.3 min read·cn-electricalsteel.hashnode.dev
UUnknown·Sep 12Why Backup Generators Stall on Motor Startup: Modeling Locked Rotor Amps (LRA) and Non-Coincident Inrush Dynamics in TypeScriptA computational breakdown of inductive motor inrush physics, generator sub-transient reactance, and non-coincident peak load modeling in clean energy backup systems.6 min read·powerlab.hashnode.dev
EEvgenii Konkin·Jun 10 The AFCI Mistake That Starts With the Room Name Instead of the CircuitA practical guide to checking AFCI requirements by dwelling context, circuit type, room or zone, and NEC edition before panel schedule mistakes reach inspection.8 min read·calcengineer.hashnode.dev
EEvgenii Konkin·Jun 9Duct Bank Heat Rise Fails When Soil Dryout Is Treated Like a DetailA practical guide to checking duct bank heat rise, soil thermal resistance, interface temperature, and dryout margin before underground cable design becomes thermally risky.8 min read·calcengineer.hashnode.dev
EEvgenii Konkin·Jun 8EMI Shielding Fails When the Material Number Is Treated Like an Enclosure RatingA practical guide to checking EMI shielding effectiveness, skin depth, absorption, reflection, and material thickness before enclosure leakage ruins the design.7 min read·calcengineer.hashnode.dev
EEvgenii Konkin·Jun 6Antenna Gain Is Not Extra Power — It Is a Tradeoff Engineers Must CheckA practical guide to calculating antenna gain from directivity and efficiency, converting dBi to dBd, and avoiding misleading RF comparisons.5 min read·calcengineer.hashnode.dev
EEvgenii Konkin·Jun 5The Fiber Link Mistake That Makes a “Good” Cable Plant Fail After InstallationA practical guide to checking fiber loss, connector loss, splice loss, optical power margin, and receiver overload before a cable plant fails in the field.6 min read·calcengineer.hashnode.dev
EEvgenii Konkin·Jun 4The PCB Trace Width Mistake That Burns Boards After the Schematic Looks FinishedA practical guide to sizing PCB traces by current, temperature rise, copper weight, and layer type before a narrow power path turns into a thermal problem.6 min read·calcengineer.hashnode.dev
AAakanksha Rathee·May 31Finding My Place Between Circuits and CodeIf you’ve ever been told that you need to choose one path and stick to it, this blog is probably not what you’d expect. If someone had told first-year me that I would spend my days studying power syst3 min read·aakankshablogs.hashnode.dev1
EEvgenii Konkin·May 29The Busbar Sizing Mistake That Starts With “It Can Carry the Amps”A practical guide to sizing copper busbars by current density and allowable temperature rise before thermal problems appear inside the electrical assembly.5 min read·calcengineer.hashnode.dev
