Three phase transformer
Three phase transformer with frame shaped winding assemblies
Three-phase autotransformer with a balancing function
Three-phase choke with a five-leg core
Three-phase current transformer
Three-phase ferroresonant transformer structure embodied in one
Three-phase multi-winding device
Three-phase transformer for cycloconverter
Transformer core
Transformer for cycloconverter
Transformer tank panel neutral connection with reverse current s
Transformer with cap over windings
Transformer with gapless core on support
Transformer with parallel magnetic circuits of unequal mean leng
Transformer with voltage balancing tertiary winding
Transient suppressing power transformer
Transient voltage and harmonic currents quashing (THQ)...
Variable three-phase inductor
Wide ratio autotransformer-type current ranging
Zigzag autotransformer apparatus and methods