Recent Articles
RenewablesWind Turbine Generator Grounding: An IEC 61400-24 Perspective
Lightning protection zones, mesh grounding, transient overvoltage — designing the earthing system for a modern 5 MW WTG.
Transmission & DistributionCable Sizing: Ampacity, Voltage Drop, and Short-Circuit Withstand
Sizing LV/MV cables correctly requires three parallel checks. Miss any one and you either burn insulation or trip protection.
Protection SystemsSCADA Architecture for Modern Distribution Substations
IEC 61850 station bus, process bus, GOOSE messaging, and cyber-hardening: an engineer's playbook for building resilient substation automation.
RenewablesGrid-Tied Solar PV Integration: Anti-Islanding & IEEE 1547
Deep-dive into the protection philosophy required for rooftop and utility-scale solar PV plants connecting to distribution networks under IEEE 1547-2018 and grid codes.
Electrical Design StandardsTransformer Sizing Guide: From Load Analysis to Nameplate
Learn how to correctly size distribution transformers considering diversity factor, harmonic loading, ambient temperature, and future growth. Includes K-factor selection.
Protection SystemsFault Current Calculation Fundamentals for MV Substations
A step-by-step guide to symmetrical fault current calculation using per-unit method, source impedance, and IEC 60909 principles for medium-voltage substation design.