201748 ⎘
Fixed transformers not covered by group characterised by the structure; Two-phase, three-phase or polyphase transformers for changing the number of phases
DISTRIBUTED PHASE-SHIFTING TRANSFORMER POWER SUPPLY SYSTEM
#2Power system architecture with reduced common mode voltage
#3VARIABLE AND AUTO REGULATED THREE PHASE POWER SOURCE
#4Ten-phase auto transformer rectifier unit
#5Regenerative cascaded H bridge power supply
#6Regenerative cascaded H bridge power supply
#772-pulse AC-DC converter for power quality improvement
#8Step-up bipolar transformer rectifier without common mode ripple
#9Multi-pulse constant voltage transformer for a variable speed drive in chiller applications
#10Transformer phase permutation causing more uniform transformer phase aging and general switching network suitable for same
#11Auto-balancing transformers
#12Three-phase to nine-phase autotransformer
#13Quad-T transformer to convert AC single-phase to three-phase power
#14Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator
#15Power circuit, iron core for scott connected transformer, scott connected transformer, and superheated steam generator
#16Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator
#17Multi-pulse constant voltage transformer for a variable speed drive in chiller applications
#18Transformer using coupling coil
#19Three-phase/two-phase rotary transformer including a scott connection
#20Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator
#21Three-phase/two-phase rotary transformer
#22Three-phase-two-phase stationary transformer with forced linked flux
#23Coupling device for a multi-phase converter
#24Composite AC-to-DC power converter with boosting capabilities
#25Power conversion circuit arrangements utilizing resonant alternating current linkage
#26Power conversion device
#27Composite AC-to-DC power converter with boosting capabilities
#28Three-phase 48-pulse rectifier transformer
#29Power converter with asymmetric phase shift autotransformer for alternating current (AC) motor
#30Multiphase transformer rectifier unit
#31COMPOSITE AC TO DC CONVERTER WITH BOOSTING CAPABILITIES
#32Generator
#33Dual-input nine-phase autotransformer for electric aircraft AC-DC converter
#34Resonant power conversion circuit
#35Modular reconfigurable polyphase power transformer
#36Multi-phase transformer
#37Multi-phase transformer
#38Various methods and apparatuses for an integrated zig-zag transformer
#39Power transformer and power converter incorporating same
#40Thirty-six pulse power transformer and power converter incorporating same
#4120º PHASE-SHIFTING AUTOTRANSFORMER
#42Method for powering a magnetic coupler and device for powering an electric dipole
#43Symmetrical auto transformer wye topologies
#44Symmetrical auto transformer delta topologies
#45Three-phase multi-winding device
#46AC to DC Power converter for aerospace applications
#47Prism-type electrical converter for the generation, transmission, distribution and suppy of electric current, and production method thereof
#4840° phase-shifting autotransformer
#49Reduced rating T-connected autotransformer for converting three phase AC voltages to nine/six phase shifted AC voltages
#50Rectification system for improving power quality of electrical power systems
#51Auto-transformer for use with multiple pulse rectifiers
#52Power generating system
#53Reduced semiconductor device power cell voltage drive
#54Phase shifted polygon forked wye transformer