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  • H02H7/00
    		•  Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions [2006.01] HB CC 5G053
  • H02H7/00@A
    		•  Power supply circuits, protecting arrangements (detecting power failures) HB CC 5G053
  • H02H7/00@B
    		•  Protecting resistors, semiconductor elements, condensers or fuses (including those per se) HB CC 5G053
  • H02H7/00@C
    		•  Protecting arrestors, lightening arrangements or surge absorbing elements (including those per se) HB CC 5G053
  • H02H7/00@D
    		•  Protecting coils, solenoids or electromagnets HB CC 5G053
  • H02H7/00@E
    		•  Protecting filters HB CC 5G053
  • H02H7/00@F
    		•  Protecting hermetic electric instruments or cables HB CC 5G053
  • H02H7/00@G
    		•  Protecting motors or generators (including control circuits) HB CC 5G053
  • H02H7/00@H
    		•  Protecting reactors or transformers HB CC 5G053
  • H02H7/00@J
    		•  Protecting heating equipment or air conditioning equipment HB CC 5G053
  • H02H7/00@K
    		•  Protecting electric vehicles HB CC 5G053
  • H02H7/00@L
    		•  Protections against contact melting HB CC 5G053
  • H02H7/00@Z
    		•  Others HB CC 5G053
  • H02H7/04
    		•  .for transformers HB CC 5G043
  • H02H7/04@A
    		•  for general transformers HB CC 5G043
  • H02H7/04@B
    		•  .by detecting over-current (overloads, fuses) HB CC 5G043
  • H02H7/04@C
    		•  .by detecting extraordinary temperatures (indicating only L) HB CC 5G043
  • H02H7/04@D
    		•  .by detecting pressures HB CC 5G043
  • H02H7/04@E
    		•  .by detecting leakage magnetic fluxes HB CC 5G043
  • H02H7/04@F
    		•  .by detecting non-electric amounts such as sounds, lights or vibrations (temperatures C, pressures D) HB CC 5G043
  • H02H7/04@G
    		•  .by indicating overloading HB CC 5G043
  • H02H7/04@L
    		•  ..Detecting and indicating overheating HB CC 5G043
  • H02H7/04@H
    		•  for instrument transformers HB CC 5G043
  • H02H7/04@J
    		•  for current transformers HB CC 5G043
  • H02H7/04@K
    		•  for neon transformers HB CC 5G043
  • H02H7/04@Z
    		•  Others HB CC 5G043
  • H02H7/045
    		•  ..Differential protection of transformers [3] HB CC 5G043
  • H02H7/045@E
    		•  General HB CC 5G043
  • H02H7/045@A
    		•  Measures for rush-in current upon excitation HB CC 5G043
  • H02H7/045@B
    		•  .Limiting or detecting harmonics HB CC 5G043
  • H02H7/045@C
    		•  Measures for high passing currents HB CC 5G043
  • H02H7/045@D
    		•  Combinations with other methods HB CC 5G043
  • H02H7/045@Z
    		•  Others (supervision, monitoring) HB CC 5G043
  • H02H7/05
    		•  ..for capacitive voltage transformers, e.g. against resonant conditions [3] HB CC 5G043
  • H02H7/055
    		•  ..for tapped transformers or tap-changing means thereof [3] HB CC 5G043
  • H02H7/06
    		•  .for dynamo-electric generators; for synchronous capacitors HB CC 5G044
  • H02H7/06@A
    		•  for charging generators, in-vehicle generators or self-excited generators HB CC 5G044
  • H02H7/06@B
    		•  for speed generators HB CC 5G044
  • H02H7/06@C
    		•  for turbine generators HB CC 5G044
  • H02H7/06@D
    		•  for asynchronous generators (induction generators) HB CC 5G044
  • H02H7/06@E
    		•  for DC generators HB CC 5G044
  • H02H7/06@F
    		•  for synchronous generator fields HB CC 5G044
  • H02H7/06@G
    		•  .for brushless fields HB CC 5G044
  • H02H7/06@H
    		•  for failed stator (inside) of synchronous generators HB CC 5G044
  • H02H7/06@J
    		•  for asynchronisation of synchronised generators HB CC 5G044
  • H02H7/06@K
    		•  for cross current during parallel operation or reverse power of synchronous generators HB CC 5G044
  • H02H7/06@L
    		•  for over-voltage or self-excitement of synchronous generators HB CC 5G044
  • H02H7/06@M
    		•  for phase shorting or grounding of synchronous generators HB CC 5G044
  • H02H7/06@Z
    		•  Others HB CC 5G044
  • H02H7/08
    		•  .for dynamo-electric motors HB CC 5G044
  • H02H7/08@A
    		•  for starting resistances or reactors HB CC 5G044
  • H02H7/08@B
    		•  for brushes or rectifiers HB CC 5G044
  • H02H7/08@C
    		•  for multiple motors HB CC 5G044
  • H02H7/08@D
    		•  for hysteresis motors HB CC 5G044
  • H02H7/08@E
    		•  for synchronous, non-rectifier or pulse motors HB CC 5G044
  • H02H7/08@F
    		•  .for brushless fields HB CC 5G044
  • H02H7/08@G
    		•  .for asynchronisation HB CC 5G044
  • H02H7/08@H
    		•  .for semiconductor controlled synchronous motors HB CC 5G044
  • H02H7/08@J
    		•  for induction motors HB CC 5G044
  • H02H7/08@K
    		•  .for secondary circuit faults; DC braking HB CC 5G044
  • H02H7/08@L
    		•  .Protecting using slipping HB CC 5G044
  • H02H7/08@M
    		•  .pole change motors HB CC 5G044
  • H02H7/08@N
    		•  .for semiconductor controlled synchronous motors HB CC 5G044
  • H02H7/08@P
    		•  for DC or AC rectifier motors HB CC 5G044
  • H02H7/08@Q
    		•  .for engine starting motors HB CC 5G044
  • H02H7/08@R
    		•  .for semiconductor controlled DC motors HB CC 5G044
  • H02H7/08@Z
    		•  Others HB CC 5G044
  • H02H7/085
    		•  ..against excessive load HB CC 5G044
  • H02H7/085@A
    		•  using thermal reaction switches HB CC 5G044
  • H02H7/085@B
    		•  detecting winding temperatures by thermal sensitivity resistances HB CC 5G044
  • H02H7/085@C
    		•  using changes in resonant frequencies or Q HB CC 5G044
  • H02H7/085@D
    		•  detecting temperatures by measuring winding resistances HB CC 5G044
  • H02H7/085@E
    		•  detecting temperatures HB CC 5G044
  • H02H7/085@F
    		•  for DC or AC commutator motors HB CC 5G044
  • H02H7/085@G
    		•  by detecting over-current (A to E take precedence.) HB CC 5G044
  • H02H7/085@Z
    		•  Others HB CC 5G044
  • H02H7/09
    		•  ..against over-voltage; against reduction of voltage; against phase interruption HB CC 5G044
  • H02H7/09@A
    		•  for single phase or phase unbalancing HB CC 5G044
  • H02H7/09@B
    		•  .using static relays HB CC 5G044
  • H02H7/09@C
    		•  .directly detecting no-voltage or no-current between phases HB CC 5G044
  • H02H7/09@D
    		•  .using differential relays; for detecting zero-phase or opposite phase component (B takes precedence.) HB CC 5G044
  • H02H7/09@E
    		•  .using induction relays HB CC 5G044
  • H02H7/09@F
    		•  for protecting both single phase and opposite phase HB CC 5G044
  • H02H7/09@G
    		•  .using static relays HB CC 5G044
  • H02H7/09@H
    		•  for over- or under-voltages HB CC 5G044
  • H02H7/09@J
    		•  .for synchronous motors HB CC 5G044
  • H02H7/09@K
    		•  .for multiple phase induction motors HB CC 5G044
  • H02H7/09@L
    		•  .for single phase induction motors HB CC 5G044
  • H02H7/09@M
    		•  .for DC or AC rectifier motors HB CC 5G044
  • H02H7/09@Z
    		•  Others HB CC 5G044
  • H02H7/093
    		•  ..against increase beyond, or decrease below, a predetermined level of rotational speed (centrifugal switches H01H 35/10) HB CC 5G044
  • H02H7/093@A
    		•  for synchronous or non-rectifier motors HB CC 5G044
  • H02H7/093@B
    		•  for three-phase induction motors HB CC 5G044
  • H02H7/093@C
    		•  for single phase induction motors HB CC 5G044
  • H02H7/093@D
    		•  for DC or AC non-rectifier motors HB CC 5G044
  • H02H7/093@Z
    		•  Others HB CC 5G044
  • H02H7/097
    		•  ..against wrong direction of rotation HB CC 5G044
  • H02H7/097@A
    		•  for AC motors HB CC 5G044
  • H02H7/097@B
    		•  .using vectors HB CC 5G044
  • H02H7/097@C
    		•  .using mechanical means, rotary direction switches, speed generators or phase sequence rotary relays HB CC 5G044
  • H02H7/097@D
    		•  for DC or non-rectifier motors HB CC 5G044
  • H02H7/097@Z
    		•  Others HB CC 5G044
  • H02H7/10
    		•  .for converters; for rectifiers HB CC 5G053
  • H02H7/12
    		•  ..for static converters or rectifiers HB CC 5G053
  • H02H7/12@A
    		•  for discharge tube converters HB CC 5G053
  • H02H7/12@B
    		•  for elements or valves per se HB CC 5G053
  • H02H7/12@C
    		•  .for GTO HB CC 5G053
  • H02H7/12@D
    		•  .for over-voltages (C takes precedence.) HB CC 5G053
  • H02H7/12@E
    		•  .detecting element failures (C takes precedence.) HB CC 5G053
  • H02H7/12@F
    		•  for switching boards for feeding DC power HB CC 5G053
  • H02H7/12@G
    		•  for DC-DC converters HB CC 5G053
  • H02H7/12@H
    		•  for choppers HB CC 5G053
  • H02H7/12@J
    		•  for cyclone converters HB CC 5G053
  • H02H7/12@K
    		•  for AC phase controllers or semiconductor breakers HB CC 5G053
  • H02H7/12@Z
    		•  Others HB CC 5G053
  • H02H7/122
    		•  ...for inverters, i.e. dc/ac converters [2] HB CC 5G053
  • H02H7/122@A
    		•  for parallel operation inverters HB CC 5G053
  • H02H7/122@Z
    		•  Others HB CC 5G053
  • H02H7/125
    		•  ...for rectifiers [2] HB CC 5G053
  • H02H7/127
    		•  ....having auxiliary control electrode to which blocking control voltages or currents are applied in case of emergency [2] HB CC 5G053
  • H02H7/16
    		•  .for capacitors (for synchronous capacitors H02H 7/06) HB CC 5G053
  • H02H7/16@A
    		•  responding to over-currents HB CC 5G053
  • H02H7/16@B
    		•  responding to over-currents HB CC 5G053
  • H02H7/16@C
    		•  .Fractional harmonics HB CC 5G053
  • H02H7/16@D
    		•  responding to differential voltages or currents HB CC 5G053
  • H02H7/16@E
    		•  responding to non-electrical amounts HB CC 5G053
  • H02H7/16@Z
    		•  Others HB CC 5G053
  • H02H7/18
    		•  .for batteries; for accumulators HB CC 5G053
  • H02H7/20
    		•  .for electronic equipment (for converters H02H 7/10; for electric measuring instruments G01R 1/36; for dc voltage or current semiconductor regulators G05F 1/569; for amplifiers H03F 1/52; for electronic switching circuits H03K 17/08) HB CC 5G053
  • H02H7/20@A
    		•  for power supply circuits HB CC 5G053
  • H02H7/20@B
    		•  .for constant voltage or current power supplies HB CC 5G053
  • H02H7/20@C
    		•  for amplifier circuits HB CC 5G053
  • H02H7/20@D
    		•  for electronic switching circuits HB CC 5G053
  • H02H7/20@E
    		•  for communication arrangements HB CC 5G053
  • H02H7/20@F
    		•  Protection elements accommodated in semiconductor elements HB CC 5G053
  • H02H7/20@Z
    		•  Others HB CC 5G053
  • H02H7/22
    		•  .for distribution gear, e.g. bus-bar systems; for switching devices HB CC 5G054
  • H02H7/22@A
    		•  for bus-bar systems HB CC 5G054
  • H02H7/22@Z
    		•  Others HB CC 5G054
  • H02H7/24
    		•  .for spark-gap arresters HB CC 5G054
  • H02H7/26
    		•  .Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occurred (locating faults in cables G01R 31/08) HB CC 5G054
  • H02H7/26@A
    		•  Shorting HB CC 5G054
  • H02H7/26@B
    		•  Grounding HB CC 5G054
  • H02H7/26@C
    		•  Electric leakage HB CC 5G054
  • H02H7/26@D
    		•  Open wires HB CC 5G054
  • H02H7/26@F
    		•  Detecting failed sections HB CC 5G054
  • H02H7/26@G
    		•  .Indicating arrangements HB CC 5G054
  • H02H7/26@H
    		•  Operating breakers HB CC 5G054
  • H02H7/26@J
    		•  Operating section switches HB CC 5G054
  • H02H7/26@K
    		•  .Fault operating arrangements HB CC 5G054
  • H02H7/26@L
    		•  .Carrier wave devices HB CC 5G054
  • H02H7/26@M
    		•  Digital processors HB CC 5G054
  • H02H7/26@Z
    		•  Others HB CC 5G054
  • H02H7/28
    		•  ..for meshed systems HB CC 5G054
  • H02H7/30
    		•  ..Staggered disconnection [3] HB CC 5G054
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