TREA

Emergency protective circuit arrangements for limiting excess current or voltage without disconnection

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Industry

  • CPC
  • H02H9/00
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Parent Industries

HELECTRICITY H02Electric power H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS

Current Industry

H02H9/00Emergency protective circuit arrangements for limiting excess current or voltage without disconnection

Sub Industries

H02H9/001limiting speed of change of electric quantities H02H9/002limiting inrush current on switching on of inductive loads subjected to remanence H02H9/004in connection with live-insertion of plug-in units H02H9/005avoiding undesired transient conditions H02H9/007avoiding or damping oscillations H02H9/008Intrinsically safe circuits H02H9/02responsive to excess current H02H9/021Current limitation using saturable reactors H02H9/023Current limitation using supraconducting elements H02H9/025Current limitation using field effect transistors H02H9/026Current limitation using PTC resistors H02H9/028Current limitation by detuning a series resonant circuit H02H9/04responsive to excess voltage H02H9/041using a short-circuiting device H02H9/042comprising means to limit the absorbed power or indicate damaged over-voltage protection device H02H9/043Protection of over-voltage protection device by short-circuiting H02H9/044Physical layout, materials not provided for elsewhere H02H9/045adapted to a particular application and not provided for elsewhere H02H9/046responsive to excess voltage appearing at terminals of integrated circuits H02H9/047Free-wheeling circuits H02H9/048Anti-latching or quenching devices H02H9/049Circuit arrangements for limiting the number of protection devices H02H9/06using spark-gap arresters H02H9/08limitation or suppression of earth fault currents
Industries

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