+86 18751738721
sales@unitatransformer.com
Most transformer burnouts are caused by wrong maintenance habits, not quality issues. Learn 3 fatal mistakes: water washing, ordinary oil refilling, blind fan cooling for dry-type and oil-immersed transformers.
Never choose a transformer only by kVA and price. Learn how impedance voltage (Uk%) prevents short-circuit risks, voltage flicker and equipment failure for Africa and Middle East weak grid projects.
Learn 3 key truths for transformer procurement: hidden installation cost, silicon steel sheet importance and stable delivery. Stop overpaying for power transformers.
Veteran power buyers identify poor transformers via 3 visual details: copper terminals, tank welds and insulator sheds. Learn how to spot defects before purchase.
Most transformer failures come from wrong questions, not bad prices or brands. Ask these 5 professional questions before purchasing to avoid overheating, insulation breakdown and short service life in Africa & Middle East projects.
Wondering why your transformer inquiry has no reply? Learn 8 hidden factory processing links and how to send standard inquiries for fast and accurate overseas quotations.
A simple tap changer adjustment helped 30 dry-type transformers reduce the failure rate from 8% to under 1%. Learn why default settings may cause overexcitation, overheating and premature insulation aging under high grid voltage.
Stop guessing transformer types. Use this standard table to choose between dry-type and oil-immersed transformers by environment, kVA, maintenance and overload performance for overseas projects.
Minor transformer oil seepage is hard to spot but can burn out your unit. Learn the practical paper-towel leakage detection method widely used on African hot-site projects and avoid hidden failures.
Same 380V transformers may smoke and burn overseas. Learn why tap range, grid fluctuation and frequency decide export transformer safety for Middle Eastern and African projects.
