188687 ⎘
Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems; Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices
Sub-classes:Voltage Regulator Control in Electric Power Systems with Distributed Generation
#2GAS SHUT-OFF IN A PARTICULATE REMOVAL DEVICE AND METHOD
#3METHOD AND APPARATUS FOR IDENTIFYING PROPER REGULATION METHOD BASED ON AVERAGE VOLTAGE CHANGE BETWEEN TAP STEPS FOR VOLTAGE REGULATORS
#4Method and System for Effective Handling of Reverse Power Flow for On-Load Tap Changer Controller
#5WIND TURBINE TRANSFORMER CONTROL
#6Apparatus and method for improving efficiency of distributed generation facility
#7Asymmetric 24-pulse autotransformer rectifier unit for turboelectric propulsion, and associated systems and methods
#8Gas shut-off in a particulate removal device and method
#9Voltage booster isolation transformer system and method of operating the same
#10Micro-stepping cascading voltage regulator
#11Centralized voltage control apparatus and centralized voltage control system
#12ENERGY STORAGE SYSTEM AND METHOD FOR CONTROLLING AN ENERGY STORAGE SYSTEM
#13VOLTAGE REGULATED AC POWER SUPPLY SYSTEMS AND METHODS
#14Control system for determining a tap position of a tap changing mechanism of a voltage regulation device
#15Voltage regulation circuit
#16Over-voltage prevention apparatus and method of distribution line connected with distributed generator
#17Transformer arrangement, circuit arrangement and method for operating a transformer arrangement
#18Assembly for connection to a high-voltage system with adjustable impedance
#19Power converter apparatus and methods using adaptive node balancing
#20Transformer power management controllers and transformer power management methods
#21Longitudinal voltage regulator
#22Magnetic induction power supply device
#23Transformer device with modified voltage tap arrangement
#24Control system for voltage regulation device
#25Voltage booster isolation transformer system and method of operating the same
#26Method and apparatus for regulating the voltage of a transformer system
#27Voltage regulated AC power supply systems and methods
#28Solid state regulator and circuit breaker for high-power DC bus distributions
#29Reactive power optimization system and method of power grid based on the double-fish-swarm algorithm
#30Flexible voltage transformation system
#31Power converter apparatus and methods using adaptive node balancing
#32Voltage regulator system and method of use
#33Voltage regulator system and method of use
#34Methods and systems for using a tapped transformer to generate voltage sags
#35Optimizing power factor correction between voltage regulators
#36Phase angle and voltage balancing in a multi-phase system
#37System and method for voltage regulation with zero voltage reduction and autotransformer modes
#38System and method for regulation of voltage on an electrical network
#39Method and system for voltage regulation, control, protection and monitoring of state of on-load tap changers of power transformers, voltage regulators, and capacitor banks
#40Universal power conversion devices for alternating current electric apparatus
#41Voltage control system
#42System and method for optimizing wind turbine operation
#43Voltage regulator for a power distribution system and method of controlling same
#44On-load tap changer for dry transformers and dry transformer
#45Systems and methods for reducing digital interference of external signals
#46Power converters
#47Voltage adjustment device for power distribution system, voltage adjusting method, and power control system
#48METHODS AND SYSTEMS OF FIELD UPGRADEABLE TRANSFORMERS
#49Digital voltage controller
#50System and method for operating an on load tap changer for regulating voltage on an electric power system
#51Method for monitoring an on-load tap changer
#52Systems and methods for bypassing a voltage regulator
#53System and method for inductance compensation in wireless power transfer
#54Voltage regulation using multiple voltage regulator controllers
#55Manual multi-phase voltage control
#56Managed multi-phase operation
#57Voltage equalization device and a medical imaging device having a voltage equalization device
#58On-load tap changer
#59Electronic circuit control element with tap element
#60System and method for operating a tap changer
#61Apparatus and method for generating a metering voltage output for a voltage regulator using a microprocessor
#62Electronic circuit control element with tap element
#63AUTOMATIC VOLTAGE REGULATOR AND TOROIDAL TRANSFORMER
#64Use pairs of transformers to increase transmission line voltage
#65Automatic voltage regulator
#66Use pairs of transformers to increase transmission line voltage
#67Voltage regulation at a remote location using measurements from a remote metering device
#68Voltage control for electric power systems
#69Electronic circuit control element with tap element
#70Apparatus for stabilizing power supply of heater housing box cooling apparatus
#71Apparatus and method for reverse power regulation with measured source side voltage
#72SYSTEM FOR VOLTAGE REGULATION, CONTROL PROTECTION AND MONITORING OF STATE OF CHANGERS UNDER POWER TRANSFORMER LOAD, VOLTAGE REGULATORS, CAPACITOR BANKS AND SIMILAR
#73Hybrid on-load tap changer and a method of operating the same
#74Transformer systems including standby loss prevention modules
#75Apparatus and methods for controlling operation of a single-phase voltage regulator in a three-phase power system
#76Switching device for transformer having uninterruptible power supply function, and methods of controlling turn ratio and voltage of the transformer using the same
#77Power system
#78Electronic circuit control element with tap element
#79Apparatus and methods for controlling operation of a single-phase voltage regulator in a three-phase power system
#80Universal input device for a tap changer
#81Method and apparatus for medical covering group processing, review, and management
#82Electronic circuit control element with tap element
#83Preventive maintenance tapping and duty cycle monitor for voltage regulator
#84Standby loss prevention module, transformer system including same, and methods relating thereto
#85Electronic circuit control element with tap element
#86Underload tapchanging voltage regulators for ease of field replacement and for improved operator safety
#87Elimination of potential transformer in ANSI Type A voltage regulator
#88Switching module controller for a voltage regulator