Resistance versus Solid Grounding: Transformer Design Inputs
Solid and resistance grounding impose differe…
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Grounding Transformers: Short-Time Rating versus Continuous Unbalance
Grounding-transformer short-time rating is dr…
Read full articleNeutral Grounding Resistor Interfaces for Transformer Buyers
A neutral grounding resistor interface must b…
Read full articleReplacing a Transformer with a Different Vector Group: A Review Map
Changing vector group during replacement is a…
Read full articleMulti-Secondary Transformer Phasing for Converter Systems
Converter systems with multiple secondaries o…
Read full articleAutotransformer versus Isolating Transformer: Define Galvanic Separation
An autotransformer shares part of its winding…
Read full articleOpen-Delta Transformer Banks: Capacity and Service Limitations
An open-delta bank can preserve limited three…
Read full articleDelta Tertiary Windings: Ask about Rating, Access and Operating Purpose
A delta tertiary may stabilize zero-sequence …
Read full articleZigzag Windings: Load Supply versus Grounding Service
A zigzag winding may be designed mainly to pr…
Read full articleAccessible Transformer Neutral: What the Terminal Design Must Include
An accessible neutral is an electrical and me…
Read full articleTransformer Phase Sequence versus Vector Group: Different Checks
Phase sequence and vector group are different…
Read full articleDelta versus Star Primary Windings: System Questions before Selection
Choosing delta or star on the primary side ch…
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