ClassID:

216908

H02J3/04 - CPC Classification

Classification description:

Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources

Sub-classes:
Recent Application in this class:
#1
20260121521
2026-04-30

Method for Controlling Multiple Power Supplies

#2
20260092542
2026-04-02

THERMAL ENERGY STORAGE SYSTEMS FOR USE IN MATERIAL PROCESSING

#3
20250382898
2025-12-18

THERMAL ENERGY STORAGE SYSTEM WITH STEAM GENERATION SYSTEM INCLUDING FLOW CONTROL AND ENERGY COGENERATION

#4
20250279675
2025-09-04

AI-GRID SYSTEM AND METHODS FOR AI-ENABLED, PROGRAMMABLE, RESILIENT, AND NETWORKED MICROGRIDS

#5
20250253704
2025-08-07

BACK-UP GENERATOR AND ASSOCIATED ELECTRIC POWER SYSTEMS

#6
20250243788
2025-07-31

THERMAL ENERGY STORAGE SYSTEM COUPLED WITH A SOLID OXIDE ELECTROLYSIS SYSTEM

#7
20250239885
2025-07-24

BACK-UP GENERATOR AND ASSOCIATED ELECTRIC POWER SYSTEMS

#8
20250219415
2025-07-03

HYDRAULIC FULL-PERIOD FREQUENCY MODULATION NEW ENERGY GENERATOR SET PRIMARY FREQUENCY MODULATION METHOD THEREOF AND GENERATOR SET

#9
20250188852
2025-06-12

ENERGY STORAGE SYSTEM AND ALUMINA CALCINATION APPLICATIONS

#10
20250179942
2025-06-05

Thermal Energy Storage System with Radiation Cavities

#11
20250179941
2025-06-05

Thermal Energy Storage with Fluid Flow Insulation

#12
20250179940
2025-06-05

ENERGY STORAGE SYSTEM AND ALUMINA CALCINATION APPLICATIONS

#13
20250163831
2025-05-22

THERMAL ENERGY STORAGE SYSTEM COUPLED WITH STEAM CRACKING SYSTEM

#14
20250163830
2025-05-22

Thermal Energy Storage System with Deep Discharge

#15
20250154882
2025-05-15

Thermal Energy Storage System with Deep Discharge

#16
20250092803
2025-03-20

THERMAL ENERGY STORAGE SYSTEMS FOR USE IN MATERIAL PROCESSING

#17
20250092802
2025-03-20

THERMAL ENERGY STORAGE SYSTEMS FOR USE IN MATERIAL PROCESSING

#18
20250092801
2025-03-20

THERMAL ENERGY STORAGE SYSTEMS FOR USE IN MATERIAL PROCESSING

#19
20250092800
2025-03-20

THERMAL ENERGY STORAGE SYSTEMS FOR USE IN MATERIAL PROCESSING

#20
20250052174
2025-02-13

Methods For Material Activation With Thermal Energy Storage System

#21
20240313533
2024-09-19

Zonal Machine Learning-based Protection for Distribution Systems

#22
20240287919
2024-08-29

THERMAL ENERGY STORAGE SYSTEM COUPLED WITH THERMAL POWER CYCLE SYSTEMS

#23
20240254897
2024-08-01

THERMAL ENERGY STORAGE SYSTEM WITH STEAM GENERATION SYSTEM INCLUDING FLOW CONTROL AND ENERGY COGENERATION

#24
20240247597
2024-07-25

Thermal energy storage system coupled with steam cracking system

#25
20240247596
2024-07-25

Energy storage system and alumina calcination applications

#26
20240229682
2024-07-11

Methods for material activation with thermal energy storage system

#27
20240229681
2024-07-11

Calcination system with thermal energy storage system

#28
20240229680
2024-07-11

Thermal energy storage system with radiation cavities

#29
20240218811
2024-07-04

Thermal energy storage system with deep discharge

#30
20240200471
2024-06-20

Thermal energy storage system coupled with steam cracking system

#31
20240200470
2024-06-20

Energy storage system and alumina calcination applications

#32
20240191639
2024-06-13

Thermal energy storage system coupled with steam cracking system

#33
20240125251
2024-04-18

Thermal energy storage systems for use in material processing

#34
20240113523
2024-04-04

ENERGY STORAGE SYSTEM AND POWER SUPPLY SYSTEM FOR MARINE VESSELS

#35
20240047991
2024-02-08

Back-up generator and associated electric power systems

#36
20240022166
2024-01-18

Method for Controlling Multiple Power Supplies

#37
20240022109
2024-01-18

Back-up generator and associated electric power systems

#38
20230392522
2023-12-07

Thermal energy storage system with steam generation system including flow control and energy cogeneration

#39
20230323793
2023-10-12

Thermal energy storage system coupled with a solid oxide electrolysis system

#40
20230313710
2023-10-05

Thermal energy storage system coupled with steam cracking system

#41
20230304420
2023-09-28

Energy storage system and alumina calcination applications

#42
20230296034
2023-09-21

Thermal energy storage system coupled with thermal power cycle systems

#43
20230250736
2023-08-10

Thermal energy storage assemblage with energy cogeneration

#44
20230243278
2023-08-03

Energy storage system and applications

#45
20230220787
2023-07-13

Thermal energy storage system with deep discharge

#46
20230203968
2023-06-29

Methods for material activation with thermal energy storage system

#47
20230203967
2023-06-29

Calcination system with thermal energy storage system

#48
20230193790
2023-06-22

Thermal energy storage system with steam generator having feed-forward control

#49
20230193789
2023-06-22

Thermal energy storage system with forecast control of operating parameters

#50
20230184142
2023-06-15

Thermal energy storage system with steam generator having feedback control

#51
20230184141
2023-06-15

Thermal energy storage system with forecast control of operating parameters

#52
20230184140
2023-06-15

Thermal energy storage with fluid flow insulation

#53
20230138521
2023-05-04

Switch device for a distribution network fed by more than one independent power source

#54
20230123897
2023-04-20

Thermal energy storage system with radiation cavities

#55
20230096943
2023-03-30

Electricity Distribution System for a Domestic Installation Comprising Multiple Electrical Sources

#56
20230093980
2023-03-30

Electricity Distribution System for a Domestic Installation, Method for Managing such an Electricity Distribution System

#57
20230049482
2023-02-16

Power management system and power management method

#58
20220385101
2022-12-01

Back-up generator and associated electric power systems

#59
20220341349
2022-10-27

Solid oxide electrolysis system with thermal energy storage system

#60
20220282638
2022-09-08

Material activation system with thermal energy storage system

#61
20220268181
2022-08-25

Thermal energy storage system with forecast control of operating parameters

#62
20220268180
2022-08-25

Thermal energy storage system with steam generator having feed-forward control

#63
20220268179
2022-08-25

Thermal energy storage system with alternating discharge operation

#64
20220259988
2022-08-18

Thermal energy storage system with steam generation system including flow control and energy cogeneration

#65
20220259987
2022-08-18

Thermal energy storage assemblage with energy cogeneration

#66
20220259986
2022-08-18

Thermal energy storage system with steam generator having feedback control

#67
20220220867
2022-07-14

Thermal energy storage assemblage

#68
20220213811
2022-07-07

Thermal energy storage assemblage with dynamic insulation and failsafe cooling

#69
20220170386
2022-06-02

Energy storage system and applications

#70
20210328429
2021-10-21

Fault control for a wind farm with prioritization of the external setpoint-value specifications

#71
20210257835
2021-08-19

Arrangement for equalizing voltage drops in a power supply mains and method for equalizing voltage drops in a power supply mains

#72
20210218239
2021-07-15

Trapped charge estimation

#73
20210184469
2021-06-17

Method for controlling a wind power installation

#74
20210119433
2021-04-22

Intrinsically safe energy transmission unit for supplying an electrical device with increased power

#75
20210075252
2021-03-11

Back-up generator and associated electric power systems

#76
20200266625
2020-08-20

Modular direct current (DC) architectures

#77
20200203948
2020-06-25

Modular direct current (DC) architectures

#78
20200161858
2020-05-21

Systems and methods for energy crowdsourcing and peer-to-peer energy trading

#79
20200052571
2020-02-13

ELECTRIC POWER GENERATOR SYSTEM

#80
20190305561
2019-10-03

Power control of inverters of a photovoltaic facility in order to participate in frequency regulation of the electrical distribution network

#81
20190302158
2019-10-03

Method for monitoring an electrical network

#82
20190291756
2019-09-26

Method for power supply and power supply for railway operating elements arranged on a railway line

#83
20190103763
2019-04-04

Smart function block for integration of PLCS into a control system and methods for the same

#84
20190052075
2019-02-14

Overcurrent trip coordination between inverter and circuit breakers

#85
20190013695
2019-01-10

Motor train unit auxiliary power supply apparatus

#86
20180210479
2018-07-26

Microgrid model based automated real time simulation for market based electric power system optimization

#87
20180196481
2018-07-12

Power distribution system

#88
20180175618
2018-06-21

Modular direct current (DC) architectures

#89
20180062394
2018-03-01

Systems and methods for operatively coupling a micro-grid to a bulk grid

#90
20170346338
2017-11-30

System and method for controlling phantom power losses in a building

#91
20170256947
2017-09-07

Method of assessing proper operation of voltage control device

#92
20170025853
2017-01-26

THÉVENIN EQUIVALENT BASED STATIC CONTINGENCY ASSESSMENT

#93
20170005475
2017-01-05

Generator dispatching or load shedding control method and system for microgrid applications

#94
20160334769
2016-11-17

Modular generator control and external power unit

#95
20160285266
2016-09-29

Combined energy network

#96
20160118803
2016-04-28

Electrical grid control system, electrical grid control method, and power conversion apparatus

#97
20160111876
2016-04-21

120VAC to 240VAC power converter, adapter and methods of use

#98
20160056631
2016-02-25

Method for operating an entire energy supply network in an energy generation decentralized manner

#99
20160036225
2016-02-04

Dynamic frequency control in power networks

#100
20160026159
2016-01-28

Method of transmitting electrical energy

#101
20160006244
2016-01-07

Method for controlling the electrical power delivered over an electrical supply network by at least two electrical energy sources and associated electrical system

#102
20150349530
2015-12-03

User configurable electrical subpanel system with back feed prevention

#103
20150207329
2015-07-23

Station-building power supply device and method of controlling the same

#104
20150194966
2015-07-09

Power system stabilizing device

#105
20150162748
2015-06-11

DISABLING THE INVERTER OF A PHOTOVOLTAIC INSTALLATION IN THE EVENT OF THEFT

#106
20150155710
2015-06-04

Power network system, control method for power network system, and control program for power network system

#107
20150145328
2015-05-28

DISTRIBUTED POWER SYSTEM AND OPERATION METHOD

#108
20150084419
2015-03-26

Rack power distribution unit with detachable cables

#109
20150008898
2015-01-08

Monitoring an electrical power supply network

#110
20140303803
2014-10-09

Integration system and method for regulating and operating in parallel different high-voltage sources

#111
20140222238
2014-08-07

Grid optimization resource dispatch scheduling

#112
20140191507
2014-07-10

Method for controlling power flow within a wind park system, controller, computer program and computer program products

#113
20140183956
2014-07-03

AC backup power system

#114
20140097683
2014-04-10

Generator dispatching or load shedding control method and system for microgrid applications

#115
20130334886
2013-12-19

Distributed Power Station System

#116
20120188676
2012-07-26

Method for operating an electrical power supply network

#117
20120119585
2012-05-17

Powering a data center using multiple connections from a utility grid

#118
20120004786
2012-01-05

PLC function block for automated demand response integration

#119
20110273010
2011-11-10

ELECTRICAL NETWORK

#120
20110082597
2011-04-07

MICROGRID MODEL BASED AUTOMATED REAL TIME SIMULATION FOR MARKET BASED ELECTRIC POWER SYSTEM OPTIMIZATION

#121
20080278000
2008-11-13

Methods and systems for intentionally isolating distributed power generation sources

#122
20070273213
2007-11-29

System and method for responding to abrupt load changes on a power system

#123
20070273211
2007-11-29

System and method for controlling power flow in a power system

#124
20070273210
2007-11-29

System and method for a power system micro grid

#125
20070069583
2007-03-29

Apparatus for the redundant power supply of at least one load

#126
20050134120
2005-06-23

Robust power distribution systems and methods

#127
18754047
2025-10-07

Thermal energy storage system coupled with thermal power cycle systems

#128
18754042
2026-03-31

Thermal energy storage system coupled with thermal power cycle systems

#129
18754001
2026-01-06

Thermal energy storage system coupled with thermal power cycle systems

#130
18518383
2025-07-15

Thermal energy storage systems for repowering existing power plants for improving efficiency and safety

#131
18310064
2023-09-19

Control method for energy-storage apparatus, energy-storage apparatus, and storage medium

#132
15701783
2019-01-22

System for extracting energy from wind and thermal gradients

#133
14670110
2017-10-10

System for extracting energy from wind and thermal gradients

#134
13946916
2017-06-20

Automatic transfer switch spacing monitoring within an electrical device