H02P7/34 - CPC Classification Index

ClassID:

218275 ⎘

H02P7/34 - CPC Classification

Classification description:

Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using Ward-Leonard arrangements

Sub-classes:

H02P7/343 » {in which only the generator field is controlled} 5
H02P7/346 » {in which both generator and motor fields are controlled} 0

Recent Application in this class:

20230015422

2023-01-19

Direct current load identification system

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2020-08-27

Drive device and method for operating a drive device

20180167005

2018-06-14

Brushless direct current electric motor driving control method and system of electrical water pump