ClassID:

218517

H02P2201/01 - CPC Classification

Classification description:

Indexing scheme relating to controlling arrangements characterised by the converter used AC-AC converter stage controlled to provide a defined AC voltage

Recent Application in this class:
#1
20260095117
2026-04-02

VARIABLE FREQUENCY DRIVE SYSTEM WITH MEDIUM VOLTAGE INPUT AND LOW VOLTAGE OUTPUT

#2
20260031698
2026-01-29

MOTOR POWER SOURCE REGULATION CIRCUIT, CONTROL METHOD AND ELECTRONIC DEVICE

#3
20250219564
2025-07-03

MOTOR DRIVE DEVICE AND REFRIGERATION CYCLE APPARATUS

#4
20240195339
2024-06-13

Motor flying start using field weakening control

#5
20240186930
2024-06-06

VARIBALE FREQUENCY DRIVE SYSTEM WITH MEDIUM VOLTAGE INPUT AND LOW VOLTAGE OUTPUT

#6
20230198446
2023-06-22

Active DC bus voltage balancing circuit

#7
20220216800
2022-07-07

Method and apparatus to mitigate DC bus over-voltages on common AC bus systems utilizing DC and AC drives

#8
20220103090
2022-03-31

Open loop phase pre-charge

#9
20220103086
2022-03-31

Method and apparatus to mitigate DC bus over-voltages on common AC bus systems utilizing DC and AC drives

#10
20210249966
2021-08-12

Power conversion apparatus that drives a motor by receiving a three-phase AC voltage from an AC power system

#11
20210091697
2021-03-25

System and method for sinusoidal output and integrated EMC filtering in a motor drive

#12
20200412292
2020-12-31

Power conversion apparatus

#13
20200158069
2020-05-21

Flexible intelligent electrical switching device with multi-function capability

#14
20200144928
2020-05-07

Method to reduce variable speed constant frequency power converter losses during abnormal overloads

#15
20190238081
2019-08-01

Variable speed drive with a battery

#16
20190058433
2019-02-21

Method for selecting a frequency converter for a refrigerant compressor unit

#17
20170054301
2017-02-23

Voltage source convertors

#18
20150002066
2015-01-01

Three-level power conversion apparatus

#19
20140291993
2014-10-02

METHOD FOR OPERATING LEAN FUEL INTAKE GAS TURBINE ENGINE, AND GAS TURBINE POWER GENERATION DEVICE

#20
20130106328
2013-05-02

Integrated regenerative AC drive with solid state precharging

#21
16580736
2020-12-29

System and method for sinusoidal output and integrated EMC filtering in a motor drive

#22
16271348
2020-04-21

Generator systems

#23
16271337
2020-07-14

Generator systems and controllers