ClassID:

217086

H02J9/062 - page 3 - CPC Classification

Classification description:

Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads

Recent Application in this class:
#601
20190058338
2019-02-21

Arc fault detection for battery packs in energy generation systems

#602
20190052122
2019-02-14

Uninterruptible power supply

#603
20190052097
2019-02-14

Grid-connected inverter system having seamless switching

#604
20190052094
2019-02-14

Methods of advanced grid and microgrid support functionalities through hybrid fuel cell systems

#605
20190052075
2019-02-14

Overcurrent trip coordination between inverter and circuit breakers

#606
20190044377
2019-02-07

UNINTERRUPTIBLE POWER SUPPLY

#607
20190044375
2019-02-07

UPS systems and methods using variable configuration modules

#608
20190044374
2019-02-07

Uninterruptible power supply systems and methods using interconnected power routing units

#609
20190044373
2019-02-07

Uninterruptible power supply

#610
20190044371
2019-02-07

System for redundant power supply to a data center

#611
20190033938
2019-01-31

High efficient battery backup system

#612
20190027960
2019-01-24

Methods and apparatus for power generation and distribution

#613
20190018437
2019-01-17

Voltage regulated AC power supply systems and methods

#614
20180375372
2018-12-27

Uninterruptible power supply device

#615
20180351399
2018-12-06

System and method for power storage and distribution

#616
20180343767
2018-11-29

Power distribution with batteries

#617
20180342893
2018-11-29

POWER SUPPLY

#618
20180337554
2018-11-22

Active multi-module switching system and method

#619
20180332538
2018-11-15

Terminal device with a power supply control during emergency communication

#620
20180331569
2018-11-15

Technique For Lowering Inrush Current To An Uninterruptible Power Supply With A Transformer

#621
20180331568
2018-11-15

Uninterruptible power supply system

#622
20180331565
2018-11-15

Air powered battery charger

#623
20180331542
2018-11-15

System and method for managing the power output of a photovoltaic cell

#624
20180323641
2018-11-08

PORTABLE POWER SUPPLY

#625
20180316216
2018-11-01

Uninterruptible power supply device

#626
20180309319
2018-10-25

Uninterruptible power supply device

#627
20180301930
2018-10-18

Automatic current balancing for power systems

#628
20180301906
2018-10-18

Apparatus and method for aggregating and supplying energy to a load

#629
20180287420
2018-10-04

Multistate PWM command for 3 levels inverters

#630
20180287408
2018-10-04

Direct current uninterruptible power supply with AC power supply and related methods

#631
20180278088
2018-09-27

Uninterruptible power supply

#632
20180269782
2018-09-20

Systems and methods for isolated low voltage energy storage for data centers

#633
20180263591
2018-09-20

Peak shave enabled computed tomography system with built-in uninterruptible power supply and stabilizer

#634
20180262045
2018-09-13

Uninterruptible power supply system

#635
20180254660
2018-09-06

System and method for distributing load current in a UPS system

#636
20180248402
2018-08-30

Integrated solar-panel

#637
20180248401
2018-08-30

Solar and plug automatic rechargeable 12/24 volt battery power backup unit

#638
20180248378
2018-08-30

Battery energy storage design with black starting capability

#639
20180247521
2018-08-30

Battery interconnected smoke detector system

#640
20180246556
2018-08-30

CIRCUIT FOR CONTROLLING A POWER SUPPLY AND METHOD OF OPERATION THEREOF

#641
20180233946
2018-08-16

Two-tier battery solution for data center backup

#642
20180229968
2018-08-16

Elevator automatic rescue and energy-saving device and control method for same and super capacitor module

#643
20180217187
2018-08-02

Input-voltage-abnormality detection method and power source device

#644
20180212460
2018-07-26

Uninterruptible power supply

#645
20180198363
2018-07-12

Discharge device, power supply apparatus, and discharge method with power supply cut-off detection and capacitor discharge

#646
20180198282
2018-07-12

Energy storage system

#647
20180197254
2018-07-12

System and method for controlling a stand-alone direct current power system

#648
20180196109
2018-07-12

Switching power supply burn in test circuit

#649
20180191194
2018-07-05

Uninterruptible power supply

#650
20180191175
2018-07-05

Un-interruptible power supply with voltage-balancing state detection of batteries

#651
20180159443
2018-06-07

Bi-directional, transformerless voltage system

#652
20180159343
2018-06-07

Integrated uninterruptible power supply

#653
20180154778
2018-06-07

Vehicle

#654
20180152046
2018-05-31

Uninterruptible power supply device

#655
20180145538
2018-05-24

UPS with source impedance compensation

#656
20180138740
2018-05-17

Reserve power system transfer switches for data center

#657
20180131229
2018-05-10

Alternative energy booster apparatus

#658
20180131181
2018-05-10

UPS systems and methods using coordinated static switch and inverter operation for generator walk-in

#659
20180116070
2018-04-26

Datacenter power management using AC and DC power sources

#660
20180115188
2018-04-26

UNINTERRUPTIBLE POWER SOURCE IMPROVEMENTS FOR PROTECTION FROM COMMON GRID PROBLEMS COMBINED WITH ULTRA FAST SWITCHING

#661
20180109136
2018-04-19

DC-link bus balancer

#662
20180102647
2018-04-12

Uninterruptible power supply device

#663
20180101208
2018-04-12

Battery controller, electronic device, battery pack, and battery controlling method

#664
20180076661
2018-03-15

Operation of a local alternating current network with a genset and a UPS

#665
20180076659
2018-03-15

Isolated parallel UPS system with choke bypass switch

#666
20180076658
2018-03-15

Isolated parallel ups system with fault location detection

#667
20180062427
2018-03-01

Switching systems and methods for use in uninterruptible power supplies

#668
20180061603
2018-03-01

Remote controlled circuit breaker panel system

#669
20180059754
2018-03-01

Multi-level data center using consolidated power control

#670
20180048183
2018-02-15

Uninterruptible power supply systems and methods for communication systems

#671
20180034316
2018-02-01

DEVICE FOR COMMANDING/CONTROLLING A SOURCE CHANGEOVER SWITCH

#672
20180023885
2018-01-25

Refrigerator

#673
20180019598
2018-01-18

CHARGING CONTROL CIRCUIT IN IN-VEHICLE CHARGING CONNECTOR, IN-VEHICLE CHARGING CONNECTOR, AND IN-VEHICLE DATA-TRANSFER/CHARGING SYSTEM FOR EXTERNAL DEVICE

#674
20180019593
2018-01-18

Adaptive load sharing system

#675
20180019592
2018-01-18

Method and system for establishing a power feed to systems during operation

#676
20180018008
2018-01-18

Backup power architecture for rack system

#677
20180007807
2018-01-04

Modular uninterruptible power supply apparatus and methods of operating same

#678
20180004272
2018-01-04

Method and apparatus for managing power supply of electronic device

#679
20170373532
2017-12-28

Uninterruptible power system, control apparatus of the same and method of controlling the same

#680
20170373530
2017-12-28

UNINTERRUPTIBLE POWER SUPPLY AND CONTROL METHOD THEREFOR

#681
20170366044
2017-12-21

Power supply circuit with secondary side to primary side communication

#682
20170366041
2017-12-21

UPS with multiple independent static switches

#683
20170358429
2017-12-14

Redundant Power Supply System for a plasma process

#684
20170346292
2017-11-30

Load management in hybrid electrical systems

#685
20170324242
2017-11-09

Multimode Distribution Systems and Methods for Providing Power From Power Sources to Power Consuming Devices

#686
20170317527
2017-11-02

Uninterruptible power supply including battery modules connected directly to direct current-alternating current inverter

#687
20170310152
2017-10-26

Uninterruptible power supply apparatus

#688
20170302888
2017-10-19

Ground support equipment for an aircraft video surveillance system

#689
20170302105
2017-10-19

Uninterruptible power supply apparatus

#690
20170298890
2017-10-19

SYSTEMS AND METHODS FOR UNINTERRUPTABLE POWER SUPPLY

#691
20170294777
2017-10-12

Nonlinear control algorithm and system for a single-phase AC-AC converter with bidirectional isolated DC-DC converter

#692
20170290110
2017-10-05

Lamp unit power supply system

#693
20170285715
2017-10-05

Electronic device and method for managing power failure occurrence

#694
20170285707
2017-10-05

Uninterruptible power supply communication

#695
20170279302
2017-09-28

Uninterruptible power supply apparatus

#696
20170279284
2017-09-28

Multiple chargers configuration in one system

#697
20170264135
2017-09-14

Energy management apparatus, energy management method and program recording medium

#698
20170264123
2017-09-14

Battery management system and related techniques for adaptive, dynamic control of battery charging

#699
20170244277
2017-08-24

Method to reduce inrush currents in a transformer-less rectifier uninterruptible power supply system

#700
20170237359
2017-08-17

Inverter

#701
20170237286
2017-08-17

Self-aware software defined digital power supply

#702
20170237285
2017-08-17

System and method for achieving controlled load transition between power supplies and battery backup units

#703
20170229906
2017-08-10

Ferroresonant transformer for use in uninterruptible power supplies

#704
20170229905
2017-08-10

Automatic recovery control

#705
20170229866
2017-08-10

Seamless transitions between control modes

#706
20170214272
2017-07-27

AUTO-SYNCHRONOUS ISOLATED INLET POWER CONVERTER

#707
20170207654
2017-07-20

UPS systems and methods using variable configuration modules

#708
20170205861
2017-07-20

Power supply device which performs operations while suppressing influence due to updating of firmware

#709
20170194794
2017-07-06

Systems and methods for connecting energy sources to power distribution network

#710
20170187235
2017-06-29

Electrical power restoration system for a circuit assembly and method

#711
20170179759
2017-06-22

UPS with integrated bypass switch

#712
20170179724
2017-06-22

Power management devices and kits including the same

#713
20170170683
2017-06-15

Data center power systems with dynamic source designation

#714
20170163089
2017-06-08

Control of Multiple Battery Groups

#715
20170163084
2017-06-08

Two-tier battery solution for data center backup

#716
20170163055
2017-06-08

Power supply system having lithium battery

#717
20170159656
2017-06-08

Installation for pumping hydrocarbons, module and method

#718
20170155278
2017-06-01

Redundant uninterruptible power supply systems

#719
20170149276
2017-05-25

Uninterruptible power source

#720
20170149275
2017-05-25

Emergency back-up power system for traction elevators

#721
20170141610
2017-05-18

System and method for intelligent static transfer switch with smart home power management

#722
20170141609
2017-05-18

Power control circuits and related uninterruptible power supply systems

#723
20170141577
2017-05-18

Grid-tied solar photovoltaic power system with dynamic grid power stabilization

#724
20170133855
2017-05-11

System and method for managing the power output of a photovoltaic cell

#725
20170117749
2017-04-27

Three-phase uninterruptible power supply control method and apparatus, and three-phase uninterruptible power supply responsive to zero wire loss

#726
20170117746
2017-04-27

Power supply device and power supply system including the same

#727
20170097667
2017-04-06

Data center power manipulation

#728
20170093207
2017-03-30

Uninterruptible power supply

#729
20170093206
2017-03-30

Direct current backup system

#730
20170086329
2017-03-23

Modular uninterruptible power supply apparatus

#731
20170085125
2017-03-23

Systems and methods for improving efficiency of a neutral-point-clamped inverter

#732
20170084516
2017-03-23

Semiconductor apparatus

#733
20170077749
2017-03-16

UPS circuit

#734
20170077748
2017-03-16

Uninterruptible power supply systems and methods using isolated interface for variably available power source

#735
20170077747
2017-03-16

Uninterrupted power supply with switchable reference

#736
20170070088
2017-03-09

Fuel cell system ride-through of electric grid disturbances

#737
20170070074
2017-03-09

Power supply apparatus and power supply method

#738
20170063270
2017-03-02

Power supply assembly and associated method

#739
20170063150
2017-03-02

Uninterruptible power supply unit

#740
20170054383
2017-02-23

Power supply control

#741
20170047773
2017-02-16

DC link voltage control

#742
20170045931
2017-02-16

Power supply control apparatus and method for controlling power supply

#743
20170033597
2017-02-02

Uninterruptible power supply and method for managing power flow in a grid-tied photovoltaic system

#744
20170033596
2017-02-02

High efficiency uninterruptible power supply with near loss-less ultrafast electromechanical switching

#745
20170033595
2017-02-02

Multi-UPS systems with coordinated fault response and power sharing using paralleling bus

#746
20170018960
2017-01-19

Dynamic DC link voltage control

#747
20170012549
2017-01-12

Power conversion system including plurality of power converters connected in parallel to load

#748
20170012433
2017-01-12

Solar power controller and impedance detection

#749
20170012428
2017-01-12

Power control system and control method of power control system

#750
20170005514
2017-01-05

Converter module and switchgear assembly for AC and DC power distribution

#751
20170005511
2017-01-05

Line interactive UPS

#752
20160380477
2016-12-29

Alternating current uninterruptible power supply system

#753
20160372971
2016-12-22

Systems and methods for load harmonic suppression

#754
20160372966
2016-12-22

Systems and methods to provide enhanced diode bypass paths

#755
20160372928
2016-12-22

Power storage system, power storage module, and control method

#756
20160370830
2016-12-22

Power distribution visibility in data center environments

#757
20160359328
2016-12-08

Energy storage system

#758
20160352144
2016-12-01

Modular energy storage method and system

#759
20160352127
2016-12-01

LPS architecture for UPS systems

#760
20160344190
2016-11-24

Method for safe isolation and reconnect of grid generation devices to energy storage or alternate generation reference

#761
20160342128
2016-11-24

Electric power supply device and image forming apparatus including such an electric power supply device

#762
20160322862
2016-11-03

UPS operation with high converter efficiency

#763
20160322845
2016-11-03

Energy storage system and method for increasing the efficiency of an energy storage system

#764
20160308389
2016-10-20

Method for balancing power in paralleled converters

#765
20160299177
2016-10-13

Inverter regulation

#766
20160285308
2016-09-29

Auxiliary A/C power supply system for vending machines

#767
20160276870
2016-09-22

Uninterruptible power supply control

#768
20160268839
2016-09-15

Power supply control

#769
20160268822
2016-09-15

Storage battery housing device

#770
20160241082
2016-08-18

UPS for mixed AC and DC loads

#771
20160233722
2016-08-11

Backup Power System to Sump Pump

#772
20160233720
2016-08-11

Dual input power supply system and method

#773
20160226305
2016-08-04

Solar power generation, distribution, and communication system

#774
20160226304
2016-08-04

Electrical power generation system

#775
20160226303
2016-08-04

Uninterruptible power supplies for use in a distributed network

#776
20160223620
2016-08-04

Method for detecting a failing rectifier or rectifier source

#777
20160218557
2016-07-28

Method of controlling an uninterruptible power supply to clear a shorted load

#778
20160212818
2016-07-21

EMERGENCY LIGHTING MONITORING AND REPORTING SYSTEM

#779
20160211700
2016-07-21

Uninterruptible power system

#780
20160204652
2016-07-14

Emergency system with brown-out detection

#781
20160197504
2016-07-07

Uninterruptible power supply having removable battery

#782
20160190865
2016-06-30

Switchable uninterruptible power supply system and battery charging method thereof

#783
20160190864
2016-06-30

Uninterruptible power supply system for preventing charging of batteries and method for controlling uninterruptible power supply system

#784
20160181864
2016-06-23

Systems and methods for implementing series compensators in static UPS

#785
20160181861
2016-06-23

Power systems and methods using voltage waveform signaling

#786
20160172900
2016-06-16

Modular uninterruptible power supply apparatus and methods of operating same

#787
20160164341
2016-06-09

Uninterruptible power supply control

#788
20160134157
2016-05-12

Charge control device

#789
20160126879
2016-05-05

Dual power mode drive

#790
20160126788
2016-05-05

Multi-output power management method

#791
20160126787
2016-05-05

UPS sensitivity of power status parameter adjustment setting method

#792
20160126786
2016-05-05

Method for automatically strengthening energy-saving and electrical safety

#793
20160126783
2016-05-05

Smart home power system

#794
20160118798
2016-04-28

Power control device, power control method, and power control system

#795
20160118797
2016-04-28

Power supply system and method for electronic converters

#796
20160111920
2016-04-21

ENERGY MANAGEMENT DEVICE AND ITS ASSOCIATED METHOD

#797
20160111919
2016-04-21

AUTOMATIC SOLAR POWER SYSTEM ISOLATION SWITCH

#798
20160111917
2016-04-21

LPS architecture for UPS systems

#799
20160111916
2016-04-21

Uninterruptible power supply control

#800
20160109916
2016-04-21

METHOD AND APPARATUS FOR SUSTAINABLE SCALE-OUT DATACENTERS

#801
20160094089
2016-03-31

Form factor swappable DC battery back-up

#802
20160072286
2016-03-10

Method and system for establishing a power feed to systems during operation

#803
20160064985
2016-03-03

Charging and discharging system and method, and photovoltaic power generation system

#804
20160061874
2016-03-03

Abnormality detection circuit for power storage device, and power storage device including same

#805
20160056667
2016-02-25

Uninterruptible power-supply system

#806
20160056666
2016-02-25

Home appliance and operating method thereof

#807
20160056632
2016-02-25

Power supply apparatus with controllable multiple input rectification

#808
20160054771
2016-02-25

System and method for configuring UPS outlets

#809
20160049829
2016-02-18

Double-port energy storage system and control method thereof

#810
20160049822
2016-02-18

Power supply output configuration system and method

#811
20160043597
2016-02-11

Power conversion apparatus, control system, and control method

#812
20160043596
2016-02-11

Power distribution control apparatus, electricity storage system, and power distribution control method

#813
20160043594
2016-02-11

Power control apparatus and control method

#814
20160043547
2016-02-11

System and method for energy shedding

#815
20160036216
2016-02-04

Systems and methods for exploiting current capability in static ups

#816
20160036215
2016-02-04

Systems and methods for hybrid voltage and current control in static UPS systems

#817
20160020646
2016-01-21

Systems and methods for managing power backfeed in uninterruptible power supply systems

#818
20160013728
2016-01-14

Uninterruptible power supply and method of operation

#819
20160006295
2016-01-07

Online uninterruptible power supply topology

#820
20150381070
2015-12-31

High efficiency AC-AC converter with bidirectional switch

#821
20150380985
2015-12-31

Micro power outage compensating module for a server

#822
20150380982
2015-12-31

AC-DC power supply device and switching mode power supply device

#823
20150372538
2015-12-24

Controlled concurrent utilization of multiple power supplies

#824
20150372535
2015-12-24

Power system reconfiguration with automatic transfer switch

#825
20150372486
2015-12-24

Multimode distribution systems and methods for providing power from power sources to power consuming devices

#826
20150372481
2015-12-24

System and method for protecting a power converter during an adverse voltage event

#827
20150349585
2015-12-03

Adaptive power availability controller

#828
20150340864
2015-11-26

UPS systems and methods using coordinated static switch and inverter operation for generator walk-in

#829
20150338894
2015-11-26

Executing restricted commands on an uninterrupted power supply

#830
20150333657
2015-11-19

Inverter, method for operating an inverter and energy supply installation with an inverter

#831
20150333554
2015-11-19

System and method for monitoring a battery in an uninterruptible power supply

#832
20150318700
2015-11-05

Power supply system, power conversion apparatus, and measurement point switching apparatus

#833
20150311817
2015-10-29

Uninterruptable power supply

#834
20150311750
2015-10-29

Backup power supply control

#835
20150292501
2015-10-15

Sump pump monitoring device and method

#836
20150288220
2015-10-08

Parallel control of multiple uninterruptable power modules (“UPMs”)

#837
20150280607
2015-10-01

Single-phase emergency operation of a three-phase inverter and corresponding inverter having a polyphase to single phase changeover operation

#838
20150276821
2015-10-01

Power determining apparatus and electronic appliance including the same

#839
20150263568
2015-09-17

Systems and methods for providing increased fault current capability in uninterruptible power supply systems

#840
20150263567
2015-09-17

Redundant uninterruptible power supply systems

#841
20150263566
2015-09-17

Redundant uninterruptible power supply systems

#842
20150261247
2015-09-17

Station building power supply device

#843
20150258904
2015-09-17

Charge and discharge system for vehicle with interlock mechanism

#844
20150256029
2015-09-10

System and method for uninterruptible power supply intelligent transfer

#845
20150255999
2015-09-10

Energy storage system and controlling method thereof

#846
20150253052
2015-09-10

Thermodynamic cycle process system

#847
20150244313
2015-08-27

System and method for managing the power output of a photovoltaic cell

#848
20150244212
2015-08-27

Uninterruptible power supply systems and methods for communication systems

#849
20150244211
2015-08-27

Switching systems and methods for use in uninterruptible power supplies

#850
20150244210
2015-08-27

REDUNDANT UNINTERRUPTIBLE POWER SUPPLY SYSTEMS

#851
20150244206
2015-08-27

3-wire transformer-free UPS system and method of control to reduce common mode current

#852
20150222147
2015-08-06

Systems and methods for uninterruptible power supplies with bidirectional power converters

#853
20150214784
2015-07-30

Systems and methods for uninterruptible power supplies with bidirectional power converters

#854
20150214783
2015-07-30

System and method for detecting and correcting DC bus imbalances between parallel coupled UPS systems sharing a common battery

#855
20150214782
2015-07-30

SYSTEMS AND METHODS FOR UNINTERRUPTIBLE POWER SUPPLIES WITH GENERATORS

#856
20150214780
2015-07-30

Uninterruptible power supply system

#857
20150214743
2015-07-30

Safe electrical power-supply system

#858
20150207362
2015-07-23

Power supply system

#859
20150200564
2015-07-16

Hybrid electric generator set

#860
20150188362
2015-07-02

Transformerless multi-level medium-voltage uninterruptable power supply (UPS) system

#861
20150188361
2015-07-02

Bypass type 220V grid voltage sag prevention device and control method therefor

#862
20150180281
2015-06-25

Electrohydraulic generator systems and methods

#863
20150180279
2015-06-25

Apparatus and method for providing uninterruptible power

#864
20150180233
2015-06-25

Uninterruptible power supply apparatus

#865
20150180232
2015-06-25

Uninterruptible power supply system

#866
20150176607
2015-06-25

Uninterruptible power supply systems using electrohydraulic energy storage

#867
20150162850
2015-06-11

Power conversion device

#868
20150162783
2015-06-11

AC power supply source switching apparatus

#869
20150162782
2015-06-11

Method and system for a dual conversion uninterruptible power supply

#870
20150155711
2015-06-04

AC power supply source switching apparatus

#871
20150152843
2015-06-04

Method for the operation of a pitch system of a wind turbine

#872
20150146463
2015-05-28

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