217874 ⎘
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 for conversion of voltage or current amplitude only
ELECTRIC POWER CONVERSION APPARATUS
#2INTER-TURN PROTECTION METHOD AND SYSTEM FOR CONVERTER TRANSFORMER
#3VOLTAGE AND FREQUENCY TRANSFORMATION SYSTEMS, METHODS AND DEVICES FOR WIND POWER ELECTRIC ENERGY
#4AC-TO-AC CONVERTER
#5USB-C TO COAX RF (MOCA) CONVERTER FOR DATA AND POWER TRANSFER
#6POWER MODULE FOR TRANS-INDUCTOR VOLTAGE REGULATOR
#7INVARIABLE-CHANGE-COMPONENT-BASED POWER CONVERTER
#8DC DISTRIBUTION SYSTEM, AND A POWER CONVERTOR FOR USE IN SUCH DC DISTRIBUTION SYSTEM
#9POWER ADAPTER WITH LIMITED POWER SOURCE FUNCTION AND CONTROL METHOD THEREOF
#10POWER CONVERSION DEVICE
#11ELECTRICAL ASSEMBLY
#12SOLID-STATE TRANSFORMER, POWER SUPPLY DEVICE, AND DATA CENTER
#13Transformer arrangement and method for voltage conversion including a transformer and a converter coupling
#14AN APPARATUS FOR REGULATING THE VOLTAGE DELIVERED TO A LOAD
#15Piezoelectric power converter with trajectory control
#16Power supply system
#17Transformer arrangement
#18VOLTAGE DOUBLING AC POWER SUPPLY WITH TRICKLE CHARGE FOR A BATTERY
#19Arc furnace power supply with resonant circuit
#20Charger and control method thereof
#21ARC FURNACE POWER SUPPLY WITH CONVERTER CIRCUIT
#22Photovoltaic Solar Inverter with an AC Grid Filter Without Inductance
#23Rapid charging device for a motor vehicle
#24Systems and methods for alternating current (AC) input selection for power transformer
#25Transformers, power converters having tranformers, and methods of converting electrical power
#26Power supply apparatus and image forming apparatus
#27System and method for FACTS device bypass mode operation and diagnostics
#28Stackable isolated voltage optimization module
#29Voltage regulation circuit
#30TRANSFORMERS AND CERTAIN A-C MOTORS AND GENERATORS WITH DYNAMIC CONTROL
#31Method for controlling a switch module based on thyristor switching elements
#32Ferroresonant transformer systems and methods with selectable input and output voltages for use in uninterruptible power supplies
#33Magnetic induction power supply device
#34ENERGY DISTRIBUTION APPARATUS, SYSTEM AND METHOD THEREOF
#35Static-neutralization system and high-voltage power supply for use in conjunction therewith
#36Multi-purpose power conversion module
#37Current transformer module and power supply device including the same
#38Transformer system with dynamic control
#39Power distribution network
#40Voltage doubling AC power supply using electricity from two circuits with transformer for phase control and input circuit isolation
#41High power battery powered RF amplifier topology
#42Electrical power systems having zig-zag transformers
#43Transformer circuit and method of reducing idling power consumption
#44Low-wind operation of clustered doubly fed induction generator wind turbines
#45Voltage regulator system and method of use
#46Voltage regulator system and method of use
#47Multi-tap winding design for embedded transformer
#48Voltage regulation for multi-phase power systems
#49Transformer composed of a front stage circuit and a rear stage circuit
#50Power transformer
#51Transformer unit and power converter circuit
#52Pre-magnetizing a transformer connected to a modular multilevel power converter
#53Coil arrangement and method for controlling a coil arrangement
#54High voltage, high efficiency sine wave generator with pre-set frequency and adjustable amplitude
#55Portable electrical generator system for providing temporary distribution of single-phase and three-phase power
#56System and method for voltage regulation with zero voltage reduction and autotransformer modes
#57Cooling assembly for an aircraft provided with a fan
#58Method and apparatus for controlling stability of a local power grid
#59Motor drive using capacitor
#60METHODS AND SYSTEMS OF FIELD UPGRADEABLE TRANSFORMERS
#61Transformer
#62High power battery powered RF amplifier topology
#63Voltage doubling alternating current power supply using electricity from two circuits with transformer for phase control and input circuit isolation
#64POWER SUPPLY DEVICE AND POWER SUPPLY METHOD
#65Electric motor controller and methods of determining input power line energization
#66MAGNETIC FIELD ENERGY HARVESTING DEVICE
#67METHODS AND SYSTEMS OF FIELD UPGRADEABLE TRANSFORMERS
#68Method and system for transmitting voltage and current between a source and a load
#69Current-Modulated Smart Distribution Transformers, Modules, Systems, and Methods
#70Power supplying method for injection molding machine having transformer
#71Control transformer
#72Transferring electrical power for subsea applications
#73System and method for reducing power consumption in a power supply circuit
#74Electronic sine wave transformer
#75METHOD AND SYSTEM FOR CONTROLLING INPUT VOLTAGE IN ELECTRIC CHARGES
#76Transformer tap-changing circuit and method of making same
#77CURRENT SUPPLY ARRANGEMENT WITH A FIRST AND A SECOND CURRENT SUPPLY DEVICE, WHEREIN THE SECOND CURRENT SUPPLY DEVICE IS CONNECTED TO THE FIRST CURRENT SUPPLY DEVICE
#78Systems and methods for dynamic AC line voltage regulation with energy saving tracking
#79AC ELECTRICAL POWER REGULATORY SYSTEM
#80Power supply with means for increasing a voltage
#81PHASE-CONTROLLED AC VOLTAGE STABILIZING CIRCUIT
#82Charging station for electric vehicles
#83Engine system
#84System and method to boost voltage
#85Power regulator and remote power control device
#86Power supply system and image forming apparatus
#87Phase-fired control arrangement and method
#88Power supply arrangement with a first voltage supply device and a second voltage supply device
#89Automatic voltage selector control circuit for test sets with tap selectable line input transformers
#90CONTROL SYSTEMS
#91CONTROL SYSTEMS
#92Voltage regulation system
#93Elevator system with regulated input power
#94Voltage compensation circuit
#95Power transformer distribution network and method of operating same
#96Voltage regulation device
#97Circuit for transmitting an amplified resonant power to load
#98Power supply with reduced power losses during standby mode
#99Circuit arrangement for supplying variable loads from three phases
#100Planar transformer power supply
#101Method and apparatus for regulating voltage
#102Power reconnect and voltage control
#103Safety interface system
#104Arrangement for supplying variable loads
#105Line voltage variation compensation apparatus
#106AC line detection and X capacitor discharge using a single terminal
#107Recreational vehicle transformer