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PCE
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DIFF Subgroup
H02M 5/10

using transformers

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases > without intermediate conversion into DC > by static converters > using transformers

CPC:

Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases > without intermediate conversion into DC > by static converters (controlling transformers, reactors or choke coils, e.g. by tap changing H02P13/00) > using transformers

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

Child Classifications

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  • H02M 5/12 for conversion of voltage or current amplitude only IPC+CPC Available in IPC and CPC
  • H02M 5/14 for conversion between circuits of different phase number IPC+CPC Available in IPC and CPC
  • H02M 5/16 for conversion of frequency IPC+CPC Available in IPC and CPC
  • H02M 5/18 for conversion of waveform IPC+CPC Available in IPC and CPC