Cable Impedance and Unequal Sharing between Parallel Transformers
Cable or busduct impedance between each trans…
Read full articleLIBRARYEngineering resources
Technical Library
Practical engineering articles for transformer-core selection, design and production.
1,317 articles
Parallel Transformers with Different X/R Ratios
Different X/R ratios can produce different re…
Read full articleCirculating Current from Tap Mismatch in Parallel Transformers
A tap mismatch creates a secondary no-load vo…
Read full articleUnequal Transformer kVA Ratings in Parallel: Predicting Load Sharing
Unequal kVA transformers can share load accep…
Read full articleParallel Transformers: A Pre-Connection Compatibility Checklist
Before transformers are paralleled, confirm r…
Read full articleGrounding Transformer plus Auxiliary Winding: Combining Functions Carefully
Combining a grounding transformer with an aux…
Read full articleGrounding Study Inputs for a Transformer-Fed LV System
A transformer-fed low-voltage grounding study…
Read full articleEarthing Switches and Transformer Neutral Disconnects: Define the Scope
Earthing switches and neutral disconnects def…
Read full articleNeutral Insulation Levels: Uniform versus Nonuniform Winding Insulation
Neutral insulation may be uniform with the li…
Read full articleTransformer Zero-Sequence Impedance: What to Request from the Manufacturer
Zero-sequence impedance is not interchangeabl…
Read full articleTwo Neutral Grounding Points: Circulating-Current Questions
Two intentional neutral grounding points can …
Read full articleUngrounded Systems: Transformer Questions for Ground-Fault Studies
An ungrounded system does not mean ground fau…
Read full articleNo matching articles. Try a broader keyword.
Engineering reference notes
Short reference notes complement the full published articles.