Category Blog

Transformer Impedance and Short-Circuit Considerations for Buyers

Transformer impedance decides how much fault current your switchgear must clear and how far voltage dips when large loads start. Buyers often treat percent impedance as a nameplate detail, then discover protection and paralleling problems after delivery. This guide explains…

Power Transformer RFQ Checklist: Documents Importers Should Request

A structured power transformer RFQ checklist turns supplier quotations into comparable engineering documents instead of loose marketing summaries. Importers who request the right documents up front avoid re-quoting cycles, hidden loss penalties, and shipping surprises. This guide lists the drawings,…

How to Size a Distribution Transformer: kVA Calculation Guide for Specifiers

Distribution transformer sizing turns connected load, operating diversity, and power factor into a defensible kVA rating before you solicit quotations. Specifiers who skip structured kVA calculation often oversize equipment, underestimate voltage regulation, or miss harmonic and motor-starting effects. This guide…

1600KVA Oil Immersed Power Transformer: Industrial Selection Guide

A 1600KVA oil immersed industrial transformer typically anchors MV-LV conversion for process plants, data-heavy factories, and utility secondary substations. At 1600 kVA, align voltage class, cooling, impedance, and documented losses with your single-line diagram and utility requirements before issuing an…

315KVA Dry Type Power Transformer: Specifications and Applications Guide

A 315KVA dry type power transformer supports indoor commercial and light-industrial distribution where ventilation and fire planning favor resin-insulated technology. At 315 kVA, align voltage class, cooling, impedance, and documented losses with your single-line diagram and utility requirements before issuing…

630KVA oil immersed power transformer — LBAJI official product with illustrative background (not a real site photo)

800KVA Oil Immersed Power Transformer: Specifications and RFQ Checklist

An 800KVA oil immersed transformer RFQ should bundle electrical, civil, and test requirements so vendors return comparable loss, impedance, and dimension data. At 800 kVA, align voltage class, cooling, impedance, and documented losses with your single-line diagram and utility requirements…

500KVA Oil Immersed Power Transformer: Specifications and Selection Guide

A 500KVA oil immersed distribution transformer fits commercial complexes, light industrial plants, and utility secondary feeds where pad-mount or substation oil cooling is acceptable. At 500 kVA, align voltage class, cooling, impedance, and documented losses with your single-line diagram and…

2500KVA Oil Immersed Power Transformer: Applications and Selection Guide

A 2500KVA ONAN oil immersed transformer commonly serves heavy industrial feeders, utility secondary networks, and large campus MV-LV conversion points. At 2500 kVA, align voltage class, cooling, impedance, and documented losses with your single-line diagram and utility requirements before issuing…