From Converter Load-Loss Tests to Service Losses
A load-loss test value is a baseline measurem…
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Bibliothèque technique
Articles techniques pratiques sur la sélection, la conception et la fabrication des noyaux de transformateurs.
1,317 articles
Harmonic Leakage Flux in Transformer Structural Parts
Structural heating depends on where harmonic …
Lire l’article completTwelve-Pulse Groups: Diagnose Unequal Harmonic Cancellation
Cancellation depends on the actual phase and …
Lire l’article completHow a DC-Line Fault Reaches LCC Transformer Windings
Not every ampere at a DC fault comes through …
Lire l’article completConverter Valve Faults and Local Winding Forces
The valve-fault location determines the curre…
Lire l’article completCommutation Failure: Reconstruct the Winding Currents
A commutation failure label does not define t…
Lire l’article completLCC Misfire Location and DC Ampere-Turn Imbalance
A misfired valve affects transformer magnetiz…
Lire l’article completLocal DC Fields at Oil-Pressboard Barrier Edges
Average volts per gap can miss the field conc…
Lire l’article completPolarity Reversal: Preserve the Barrier Test History
Two polarity-reversal tests can have the same…
Lire l’article completDC Field Sharing Between Oil and Pressboard
The field division after a DC step can differ…
Lire l’article completCan a Spare GSU Cover Different Generator Voltages?
A shared spare must fit both the voltage enve…
Lire l’article completLCC Valve-Side Winding Potentials: AC Plus DC
An LCC winding potential map needs a named br…
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