ClassID:

216920

H02J3/1821 - CPC Classification

Classification description:

Circuit arrangements for ac mains or ac distribution networks; Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators

Sub-classes:
Recent Application in this class:
#1
20250373018
2025-12-04

Variable VAR Module

#2
20250253659
2025-08-07

System and Method for Optimal Power Grid Reactive Resource Switching

#3
20230253792
2023-08-10

METHOD FOR THE REDUCTION IN THE ELECTRICITY CONSUMPTION OF A LOAD

#4
20230238802
2023-07-27

POWER ADAPTERS WITH MULTIPLE CHARGING PORTS

#5
20220285955
2022-09-08

Power adapters with multiple charging ports

#6
20220166223
2022-05-26

MULTIVARIABLE MODULATOR CONTROLLER FOR POWER GENERATION FACILITY

#7
20220060021
2022-02-24

System and method for controlling electrical power distribution

#8
20210405676
2021-12-30

Maximizing of energy delivery system compatibility with voltage optimization

#9
20210384726
2021-12-09

Methods, systems and computer program products for reducing instability in the power grid

#10
20210218246
2021-07-15

Magnetically controllable throttle for reactive power compensation having capacitively connected auxiliary windings

#11
20210126461
2021-04-29

LIGHTING NETWORK FOR CONTROLLING REACTIVE POWER DEMAND

#12
20210109558
2021-04-15

Bidirectional capacitor bank control

#13
20210083480
2021-03-18

Reactive power control method, device and system

#14
20200389100
2020-12-10

Power conversion device

#15
20200371539
2020-11-26

Maximizing of energy delivery system compatibility with voltage optimization

#16
20200119558
2020-04-16

Electric power-regulating system and method thereof

#17
20200036192
2020-01-30

Multivariable modulator controller for power generation facility

#18
20190243404
2019-08-08

Maximizing of energy delivery system compatibility with voltage optimization

#19
20190140477
2019-05-09

Micro-grid energy management system

#20
20190131865
2019-05-02

Filtering method for the alternating current side of a power conversion system, and power conversion system

#21
20180314769
2018-11-01

Systems for real-time available delivery capability determination of large-scale distribution networks

#22
20180301906
2018-10-18

Apparatus and method for aggregating and supplying energy to a load

#23
20180076622
2018-03-15

Expanded reactive following for distributed generation and loads of other reactive controller(s)

#24
20180054057
2018-02-22

Cascaded multi-level inverter system and modulation method thereof, and controller

#25
20180054056
2018-02-22

System and method for controlling solid state lamps

#26
20170346287
2017-11-30

Reactive power compensation system and method thereof

#27
20170294786
2017-10-12

Control system for synchronous capacitor switch

#28
20170250540
2017-08-31

Multivariable modulator controller for power generation facility

#29
20170235322
2017-08-17

Control method of a virtual generator

#30
20170147024
2017-05-25

Maximizing of energy delivery system compatibility with voltage optimization

#31
20170133849
2017-05-11

Hierarchical robust model predictive voltage and VAR control with coordination and optimization of autonomous DER voltage control

#32
20170108888
2017-04-20

Converter for symmetrical reactive power compensation, and a method for controlling same

#33
20170097271
2017-04-06

System stability monitoring apparatus and method

#34
20170093192
2017-03-30

Thyristor-switched capacitor circuit with a thyristor-saving architecture

#35
20170093178
2017-03-30

System and method for discharging a thyristor-switched capacitor

#36
20170093177
2017-03-30

System and method for discharging a thyristor-switched capacitor

#37
20160118878
2016-04-28

Overall dynamic reactive power control in transmission systems

#38
20150333615
2015-11-19

Paralleling of active filters with independent controls

#39
20150333614
2015-11-19

Paralleling of active filters with independent controls

#40
20150333613
2015-11-19

Paralleling of active filters with independent controls

#41
20150333516
2015-11-19

Paralleling of active filters with independent controls

#42
20150303694
2015-10-22

Dynamic high energy switch

#43
20150162749
2015-06-11

Method and apparatus for power plant dynamic var regulation and transient stability improvement

#44
20150028822
2015-01-29

Device for influencing reactive-power flows

#45
20150022261
2015-01-22

Distributed load current sensing system

#46
20150008766
2015-01-08

Method and apparatus for transferring electrical power for subsea applications

#47
20140379152
2014-12-25

Coordinated control method of generator and SVC for improving power throughput and controller thereof

#48
20140330441
2014-11-06

Techniques to determine settings for an electrical distribution network

#49
20140327430
2014-11-06

Method and arrangement for determining an electrical characteristics at a regulation point

#50
20140306549
2014-10-16

Control system for synchronous capacitor switch

#51
20140277813
2014-09-18

Maximizing of energy delivery system compatibility with voltage optimization using AMI-based data control and analysis

#52
20140149101
2014-05-29

Electrical network model synchronization

#53
20140132295
2014-05-15

Drive failure protection

#54
20140097809
2014-04-10

Reactive power compensator

#55
20140097806
2014-04-10

Apparatus and method for improving power factor of a power system

#56
20140084877
2014-03-27

Compensation system for medium or high voltage applications

#57
20130342942
2013-12-26

AC power conditioning circuit

#58
20130265014
2013-10-10

Reactive power compensator having a booster transformer

#59
20130154365
2013-06-20

Backup power system for rack-mounted equipment

#60
20130088840
2013-04-11

Module assembly for the application-specific construction of power factor correction systems, filter systems, and absorption circuit systems

#61
20130030598
2013-01-31

Devices and methods for decentralized Volt/VAR control

#62
20130030597
2013-01-31

Devices and methods for decentralized power factor control

#63
20130030584
2013-01-31

Power distribution system

#64
20120326679
2012-12-27

DEVICE FOR OPTIMIZING ENERGY USAGE IN MULTIPHASE AC POWER SOURCE

#65
20120323397
2012-12-20

Electric power system automation using time coordinated instructions

#66
20120206897
2012-08-16

Green electricity saver model 3000

#67
20120194202
2012-08-02

Drive failure protection

#68
20120104842
2012-05-03

Method and apparatus for controlling torque on the shaft of a generator

#69
20120049629
2012-03-01

Method and apparatus for control of fault-induced delayed voltage recovery (FIDVR) with photovoltaic and other inverter-based devices

#70
20120038221
2012-02-16

ELECTRONIC CORRECTION UNIT

#71
20120029723
2012-02-02

Centralized power conditioning

#72
20110320052
2011-12-29

UTILITY GRID STABILIZATION APPARATUS AND METHOD,AS WELL AS WIND POWER GENERATING SYSTEM

#73
20110316480
2011-12-29

Systems and methods for dynamic power compensation, such as dynamic power compensation using synchrophasors

#74
20110309683
2011-12-22

Electric power control system and electric power facility comprising the electric power control system

#75
20110203103
2011-08-25

METHOD OF INSTALLING A CAPACITOR TO A SERVICE ENTRANCE PANEL TO REDUCE KW CONSUMPTION

#76
20110187105
2011-08-04

Maintenance operation method for wind turbine generator and wind turbine generator

#77
20110043186
2011-02-24

Method for controlling a grid voltage

#78
20110035076
2011-02-10

Electric power system automation using time coordinated instructions

#79
20110035066
2011-02-10

Electric power system automation using time coordinated instructions

#80
20110035065
2011-02-10

Electric power system automation using time coordinated instructions

#81
20100265816
2010-10-21

MONITORING SWITCHING NETWORKS

#82
20100264750
2010-10-21

Harmonic filter with integrated power factor correction

#83
20100207460
2010-08-19

Apparatus and method for motor driven appliance energy conservation

#84
20100134076
2010-06-03

Reactive power regulation and voltage support for renewable energy plants

#85
20100091423
2010-04-15

Electrical energy saving system

#86
20090310272
2009-12-17

ENERGY SAVINGS AND SURGE PROTECTION DEVICE

#87
20090212643
2009-08-27

Systems and methods of dynamic reactive support for a power transmission system

#88
20090206949
2009-08-20

Electrical waveform adjuster

#89
20090128100
2009-05-21

Power system control apparatus and power system control method

#90
20090079191
2009-03-26

Electric power generation with magnetically geared machine

#91
20090033296
2009-02-05

Electrical energy consumption control apparatuses and electrical energy consumption control methods

#92
20060096953
2006-05-11

Installation for transmission of electric power

#93
15831383
2018-07-17

System and method for high efficiency power quality correction

#94
15614672
2018-05-01

Thyristor controlled LC compensator for compensating dynamic reactive power