The digital landscape is shifting under the weight of Artificial Intelligence. While most of us see AI through a chat interface or a generated image, the real transformation is happening in the physical world.
Choosing the wrong transformer leads to safety risks, inefficiency, and costly downtime. A poor decision can delay projects and increase expenses—understanding the right solution is essential.Dry type transformers and oil immersed transformers serve different purposes. Dry type transformers are idea
The oil immersed transformer is a critical component in the electrical power industry, known for its efficiency and reliability in power distribution.
A practical engineering guide to transformer bushing selection, covering Um, insulation levels, rated current, creepage distance, terminals, mechanical loads, factory inspection and procurement checks.
This article explains how transformer induced voltage testing is applied during FAT for renewable energy projects, including hydropower, solar, wind and energy storage systems. It covers IEC 60076-3 requirements, insulation coordination, test voltage and frequency, winding connections, partial-discharge measurement, test interruptions and acceptance documentation. For EPC contractors and project owners, the article provides a practical framework for reviewing transformer dielectric-test procedures and ensuring that OEM/ODM transformers meet project-specific insulation and FAT requirements.
Zisheng Electric treats dielectric testing as a controlled engineering activity, not a final-minute voltage application. A transformer applied voltage test checks whether the insulation between each winding and earth, and between windings where applicable, can withstand the specified power-frequency
A practical engineering guide to transformer temperature-rise testing at FAT, covering loss duty, cooling configuration, ambient measurement, winding-temperature calculation, abnormal results and purchaser acceptance checks.
A practical engineering guide to transformer SFRA testing at FAT and after transport, covering IEC 60076-18, repeatable terminal connections, trace comparison, baseline deliverables and escalation checks.
A technical guide to specifying transformer insulation by winding and terminal, with checks for highest equipment voltage, impulse withstand, neutral treatment, external insulation and factory test evidence.