G05F 1/14

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Class  G05F : SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES


Subclass 1/14: 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 (G05F 1/02 takes precedence; for electric railways B60M 3/02) wherein the variable is actually regulated by the final control device is ac (G05F 1/625 takes precedence) using tap transformers or tap changing inductors as final control devices

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12189406 Gas shut-off in a particulate removal device and methodFeb 05, 21Jan 07, 25Durr Systems, Inc.
12111673 Multi-phase voltage regulator controlAug 24, 23Oct 08, 24Hubbell Incorporated
11868148 Voltage booster isolation transformer system and method of operating the sameNov 04, 21Jan 09, 24Hubbell Incorporated
11848150 Transformer arrangement, circuit arrangement and method for operating a transformer arrangementApr 13, 20Dec 19, 23Advantest Corporation
11823833 Apparatus and method for improving efficiency of distributed generation facilityJan 20, 21Nov 21, 23SYNERGY INC.
11783996 Transformer power management controllers and transformer power management methodsJun 06, 18Oct 10, 23Battelle Memorial Institute
11747840 Multi-phase voltage regulator controlAug 23, 22Sep 05, 23Hubbell Incorporated
11594368 Assembly for connection to a high-voltage system with adjustable impedanceAug 07, 18Feb 28, 23SIEMENS ENERGY GLOBAL GMBH & CO. KG
11581131 Asymmetric 24-pulse autotransformer rectifier unit for turboelectric propulsion, and associated systems and methodsApr 29, 20Feb 14, 23Eldec Corporation
11507118 Control system for determining a tap position of a tap changing mechanism of a voltage regulation deviceJan 15, 20Nov 22, 22EATON INTELLIGENT POWER LIMITED
11402862 Micro-stepping cascading voltage regulatorApr 21, 18Aug 02, 22Not available
11404868 Over-voltage prevention apparatus and method of distribution line connected with distributed generatorJan 30, 20Aug 02, 22KOREA ELECTRIC POWER CORPORATION
11353908 Centralized voltage control apparatus and centralized voltage control systemFeb 05, 18Jun 07, 22Mitsubishi Electric Corporation
11169553 Voltage booster isolation transformer system and method of operating the sameSep 12, 18Nov 09, 21Hubbell Incorporated
11119518 Voltage regulation circuitAug 31, 18Sep 14, 21ECONOPOWER PTY LTD
10923951 Magnetic induction power supply deviceOct 19, 17Feb 16, 21AMOSENSE CO., LTD.
10886835 Solid state regulator and circuit breaker for high-power DC bus distributionsJun 20, 17Jan 05, 21Raytheon Company
10866604 Longitudinal voltage regulatorJun 17, 19Dec 15, 20ABB Power Grids Switzerland AG
10855167 Power converter apparatus and methods using adaptive node balancingAug 13, 19Dec 01, 20Eaton Intelligent Power Limited
10747244 Transformer device with modified voltage tap arrangementFeb 13, 18Aug 18, 20SAI Advanced Power Solutions

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0085,728 GAS SHUT-OFF IN A PARTICULATE REMOVAL DEVICE AND METHODNov 25, 24Mar 13, 25Not available
2025/0068,196 METHOD AND APPARATUS FOR IDENTIFYING PROPER REGULATION METHOD BASED ON AVERAGE VOLTAGE CHANGE BETWEEN TAP STEPS FOR VOLTAGE REGULATORSAug 16, 24Feb 27, 25Not available
2024/0192,713 Method and System for Effective Handling of Reverse Power Flow for On-Load Tap Changer ControllerFeb 21, 24Jun 13, 24ABB Schweiz AG
2020/0257,322 VOLTAGE REGULATED AC POWER SUPPLY SYSTEMS AND METHODSApr 28, 20Aug 13, 20Not available
2019/0250,655 Transformer Device with Modified Voltage Tap ArrangementFeb 13, 18Aug 15, 19SAI Advanced Power Solutions
2019/0018,437 VOLTAGE REGULATED AC POWER SUPPLY SYSTEMS AND METHODSJul 16, 18Jan 17, 19Not available
2015/0243,428 METHODS AND SYSTEMS OF FIELD UPGRADEABLE TRANSFORMERSFeb 21, 14Aug 27, 15VARENTEC, INC.

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