Article
Why Transformer Impedance Changes the Whole System
Impedance links transformer design to fault current, voltage regulation, motor starting and parallel operation.
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Technical Articles
Design-focused explanations of transformer duty, impedance, installation and application requirements.
Article
Designing Step-Up Transformers for Solar Projects
Solar transformer duty follows inverter behaviour, collector voltage, grid-code operation and repeated daily thermal cycling.
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Article
Pad-Mounted Transformer Selection Checklist
A pad-mounted transformer is defined as much by utility interfaces, cable arrangement and protection as by kVA.
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Article
Compact Substation Layout: Design Before Packaging
Compact substation design begins with safe operation, cable geometry and maintenance access—not the smallest possible enclosure.
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Article
The Minimum Data Needed for a Reliable Transformer RFQ
A reliable RFQ separates essential bid data from values that can be finalised during design review.
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Article
How to Write a Power Transformer Specification
A practical way to turn network duty, site limits and commercial expectations into one reviewable transformer specification.
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Article
Oil-Immersed or Dry-Type Transformer: A Design Decision
Oil-immersed and dry-type transformers solve different installation problems; the building and operating environment usually decide first.
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