Month: March 2026

Distribution Board (DB) sizing in residential buildings depends on the connected load, supply type (single-phase or three-phase), current calculation, and number of outgoing circuits. Below is a simple explanation using 2 BHK and...

A transformer is rated in kVA, not in kW. Because a transformer supplies both real power and reactive power. 📌 Power Types in Electrical System TypeSymbolMeaningReal PowerkWActual power used by equipmentReactive PowerkVARPower...

Demand Factor means: How much electrical load is actually used compared to the total connected load. 📌 Formula Demand Factor=Maximum DemandTotal Connected Load\text{Demand Factor} = \frac{\text{Maximum...