217873 ⎘
Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers
Sub-classes:CIRCUIT INCLUDING A TRANS-INDUCTANCE VOLTAGE REGULATOR
#2VOLTAGE REGULATOR INDUCTOR
#3SEMICONDUCTOR TRANSFORMER AND MODULAR HIGH-VOLTAGE POWER DEVICE
#4MODULAR FERRORESONANT LED DRIVER
#5Electrical power transformer and electrical power transformation system
#6METHOD AND SYSTEM FOR OPERATING A CONTROL TRANSFORMER
#7POWER SUPPLY SYSTEM AND POWER SUPPLY METHOD
#8TRANSFORMER AND METHOD OF GENERATING MULTIPLE MULTIPHASE OUTPUT SIGNALS
#9DYNAMIC TRANSFORMER LOADING SYSTEMS, TRANSFORMER LOAD CONTROLLER AND METHODS OF STAGING A PLURALITY OF TRANSFORMERS IN ACCORDANCE WITH CURRENT LOAD REQUIREMENTS OF A CHANGING LOAD
#10ISOLATION TRANSFORMER AND POWER CONVERTER
#11PHASE SHIFTING TRANSFORMERS COMPRISING A SINGLE COIL FOR TWO EXCITING WINDINGS FOR VOLTAGE REGULATION AND FOR PHASE SHIFT ANGLE REGULATION
#12Trans-inductor voltage regulators with fault detection and the fault detection method thereof
#13Current sampling system and method for magnetic component, magnetic component, and power converter
#14ELECTRICAL GRID TRANSFORMER SYSTEM
#15Power system
#16Switching sequence controlled current steering for stacked half bridge converters
#17DC power distribution system
#18Power conversion circuit, method for controlling power conversion circuit, and transformer
#19SHIELDING ARRANGEMENTS FOR TRANSFORMER STRUCTURES
#20Solid-state power-conversion system
#21Electrical power distribution network and process
#22Systems and methods for alternating current (AC) input selection for power transformer
#23Modular power conversion system with galvanic insulation
#24Reverse power feed (RPF) power supply unit (PSU) and associated method of use
#25Transformer and method of generating multiple multiphase output signals
#26VOLTAGE REGULATED AC POWER SUPPLY SYSTEMS AND METHODS
#27Thermostat power monitoring, mitigation and alert
#28Assembly for connection to a high-voltage system with adjustable impedance
#29APPARATUS FOR TRANSMISSION LINE DEICING AND REACTIVE POWER COMPENSATION
#30Electrical power distribution network and process
#31Static-neutralization system and high-voltage power supply for use in conjunction therewith
#32Galvanic isolation devices to provide power and data between subsystems
#33Inductor capacitve reactor
#34Method and apparatus for reducing noise generated by rectification diode located at primary side of switching power supply
#35Voltage regulated AC power supply systems and methods
#36Circuit for reducing power consumption and liquid crystal display
#37Electric power conversion circuit including switches and reactors, and electric power conversion device including electric power conversion circuit and control circuit
#38System and method of implementing an electronic brushless variable transformer for providing a variable AC output
#39Multi-tap winding design for embedded transformer
#40On-load voltage regulation tap switch for transformer and switch control method
#41Apparatus and method for transforming alternating electrical energy
#42Power converter
#43Optimizing power factor correction between voltage regulators
#44Phase angle and voltage balancing in a multi-phase system
#45Power supply of transformer and light string therewith
#46Electric power distribution system
#47Systems and methods for powering a microprocessor from an isolated secondary side to enable off-line communication on an LED driver
#48SELF-LEADED INDUCTIVE DEVICE AND METHODS
#49System and method for voltage regulation with zero voltage reduction and autotransformer modes
#50Distributed-constant type transformer for voltage conversion
#51Universal power conversion devices for alternating current electric apparatus
#52Universal power conversion apparatus
#53Electric machine and use thereof
#54Transformer connection apparatus
#55Systems for reducing electrical consumption using triple core iterative transformers
#56Method and system for transmitting voltage and current between a source and a load
#57Multilevel inverter
#58Apparatus and method for generating electric energy in an electric power transmission system
#59Dynamic power flow controllers
#60Arrangement for igniting thin rods composed of electrically conductive material, in particular thin silicon rods
#61Universal power conversion methods with disconnect after driving
#62Three-phase reactor power saving device
#63Managed multi-phase operation
#64High-frequency power device, power transmission device, and power transfer system
#65High-frequency (HF) voltage supply system and method for supplying a multipole mass spectrometer with the HF AC voltage used to generate a multipole field
#66Apparatus and method for generating electric energy in an electric power transmission system
#67Universal Power Converter
#68Buck-boost power converter circuits, methods and systems
#69Universal power converter with two input drive operations during each half-cycle
#70Universal power converter with bidirectional switching devices
#71Hybrid distribution transformer with an integrated voltage source converter
#72Hybrid distribution transformer having a power electronic module for controlling input power factor and output voltage
#73Converter for enhanced efficiency power conversion
#74Binary voltage regulator
#75Apparatus For Converting Electrical Energy For Conductively Heating Semiconductor Material In Rod Form
#76Universal power conversion methods
#77Universal power converter
#78Piezoelectric transformer driving apparatus and piezoelectric transformer driving method
#79Filter device
#80Power converter
#81Safety interface system
#82Dual controlled output voltage, anti-saturation, auto-transformer circuit methodology
#83Method and apparatus for implementing same phase power supply scheme
#84Power converter pre-charge with line synchronization
#85High-voltage, alternating current power supply
#86System and method of implementing a brushless variable transformer