ClassID:

216918

H02J3/1807 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20260142466
2026-05-21

RADIO FREQUENCY CIRCUIT, RADIO FREQUENCY POWER-SUPPLY DEVICE, AND REACTANCE COMPENSATION METHOD

#2
20260081417
2026-03-19

Modular Facts Devices with External Fault Current Protection

#3
20250226658
2025-07-10

SYSTEM AND METHOD FOR CONSERVING ENERGY RESOURCES IN A POWER-DISTRIBUTION NETWORK

#4
20250111998
2025-04-03

ULTRACAPACITORS WITH HIGH FREQUENCY RESPONSE

#5
20250062626
2025-02-20

Adaptive Intelligent Controls for Resilient Integration of Energy Systems

#6
20240204528
2024-06-20

Parameter design method for series passive impedance adapter applicable to voltage source converter based high voltage direct current (VSC-HVDC) transmission system

#7
20240195167
2024-06-13

Modular Facts Devices with External Fault Current Protection

#8
20240030709
2024-01-25

Modular Power Converter with DC Correction

#9
20230047659
2023-02-16

Hybrid passive power filter and three-phase power system

#10
20220246364
2022-08-04

Ultracapacitors with high frequency response

#11
20220158440
2022-05-19

Modular facts devices with external fault current protection

#12
20220085732
2022-03-17

Magnetically controllable inductor coil in a series circuit

#13
20220069581
2022-03-03

POWER FACTOR DETERMINATION

#14
20210408792
2021-12-30

Magnetically controllable inductor in a series circuit

#15
20210003625
2021-01-07

Traveling wave based fault location using unsynchronized measurements for transmission lines

#16
20200403407
2020-12-24

Device and method for controlling a load flow in an alternating-voltage network

#17
20200389030
2020-12-10

Method to detect utility disturbance and fault direction

#18
20200244062
2020-07-30

Modular FACTS devices with external fault current protection

#19
20200191878
2020-06-18

Adjustable frequency drive systems and methods of employing power compensation

#20
20200112172
2020-04-09

Reactive power compensation device and method for controlling the same

#21
20190307011
2019-10-03

Method of changing a switching module using pressure-applying device

#22
20190305120
2019-10-03

Switch assembly of reactive power compensation apparatus

#23
20190237971
2019-08-01

Agile deployment of optimized power flow control system on the grid

#24
20190157871
2019-05-23

Series compensation device applicable to double-circuit line

#25
20190131791
2019-05-02

Line control circuit configuration

#26
20190080854
2019-03-14

Ultracapacitors with high frequency response

#27
20190006835
2019-01-03

Modular FACTS devices with external fault current protection

#28
20180301906
2018-10-18

Apparatus and method for aggregating and supplying energy to a load

#29
20180294648
2018-10-11

Voltage agnostic power reactor

#30
20180262006
2018-09-13

Transformers with multi-turn primary windings for dynamic power flow control

#31
20180261373
2018-09-13

Voltage or impedance-injection method using transformers with multiple secondary windings for dynamic power flow control

#32
20180241212
2018-08-23

Method for independent real and reactive power flow control using locally available parameters

#33
20180212430
2018-07-26

Reactive power compensator and method of controlling the same

#34
20180204689
2018-07-19

Ultracapacitors with high frequency response

#35
20180076622
2018-03-15

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

#36
20180054057
2018-02-22

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

#37
20170353036
2017-12-07

Control method for a system comprising a frequency converter connected to a power grid

#38
20170229865
2017-08-10

Starting method and stopping method for a static synchronous series compensator

#39
20170179759
2017-06-22

UPS with integrated bypass switch

#40
20170179721
2017-06-22

High-voltage intelligent switch alternating current capacitor

#41
20170160762
2017-06-08

Distributed impedance injection module for mitigation of the Ferranti effect

#42
20170077799
2017-03-16

DC current controller for continuously variable series reactor

#43
20160333856
2016-11-17

Variable impedance device for a wind turbine

#44
20160322822
2016-11-03

Multiply-connected power processing

#45
20160322816
2016-11-03

AC network power flow control

#46
20160181864
2016-06-23

Systems and methods for implementing series compensators in static UPS

#47
20160028360
2016-01-28

Hybrid thyristor-controlled series capacitor and passive damping filter for series capacitors

#48
20160006364
2016-01-07

System and method for controlling PCS voltage and frequency

#49
20150028822
2015-01-29

Device for influencing reactive-power flows

#50
20140232192
2014-08-21

Multiply-connected power processing

#51
20140055116
2014-02-27

Method and control arrangement in a power system

#52
20130162047
2013-06-27

Methods and systems for controlling an intra-plant voltage level

#53
20130111225
2013-05-02

POWER SUPPLIES WITH LAGGING POWER-FACTOR

#54
20130051105
2013-02-28

Power compensation apparatus and method for renewable energy system

#55
20130043690
2013-02-21

Generation plant control apparatus and method

#56
20120313728
2012-12-13

Apparatus for Capturing Electric Distribution System Harmonics for Powering Loads

#57
20120299305
2012-11-29

Method and system for operating and controlling a wind turbine to prevent excitation of subsynchronous oscillations within the wind turbine

#58
20120200279
2012-08-09

Dynamic voltage restoration system and method

#59
20120193984
2012-08-02

Systems, methods, and apparatus for integrated volt/VAR control in power distribution networks

#60
20110082653
2011-04-07

Method for fault location on series compensated power transmission lines with two-end unsynchronized measurement

#61
20110018270
2011-01-27

DOUBLY-CONTROLLED ASYNCHRONOUS GENERATOR

#62
20100292863
2010-11-18

CONTROL SYSTEM AND A METHOD OF CONTROLLING A TCSC IN AN ELECTRICAL TRANSMISSION NETWORK, IN PARTICULAR BY AN APPROACH USING SLIDING MODES

#63
20100194357
2010-08-05

CONTROL SYSTEM AND A METHOD OF CONTROLLING OF A TCSC IN AN ELECTRICAL TRANSMISSION NETWORK, USING IN PARTICULAR AN APPROACH OF THE LYAPUNOV TYPE

#64
20100176769
2010-07-15

CONTROL SYSTEM AND A METHOD OF CONTROLLING OF A TCSC IN AN ELECTRICAL TRANSMISSION NETWORK, USING IN PARTICULAR AN APPROACH OF THE LYAPUNOV TYPE

#65
20100133915
2010-06-03

THYRISTOR CONTROLLIED SERIES CAPACITOR ADAPTED TO DAMP SUB SYNCHRONOUS RESONANCES

#66
20100090538
2010-04-15

Compensation system for power transmission

#67
20100090537
2010-04-15

Compensation system for power transmission

#68
20090200872
2009-08-13

Controlled series compensator and method

#69
20090147411
2009-06-11

Thyristor controlled series capacitor module

#70
20080310069
2008-12-18

Systems and methods for distributed series compensation of power lines using passive devices

#71
20080265848
2008-10-30

Apparatus and method for improved power flow control in a high voltage network

#72
20080157748
2008-07-03

Apparatus and method for improved power flow control in a high voltage network

#73
20080150285
2008-06-26

Doubly-controlled asynchronous generator

#74
20080088183
2008-04-17

Integrated closed loop control method and apparatus for combined uninterruptible power supply and generator system

#75
20070252574
2007-11-01

Device for adjusting the impedance of a high voltage line supplying an alternating current

#76
20070133235
2007-06-14

Power conversion apparatus

#77
20060152199
2006-07-13

Auxiliary power supply

#78
20050012395
2005-01-20

Integrated closed loop control method and apparatus for combined uninterruptible power supply and generator system

#79
18754219
2024-11-19

Multi-mode control method for grid-connected inverter