F-Term-List

H02H3/00-3/00@Z

AA00
BREAKING WIRE DETECTION

AA01

AA02

AA03

AA05

. Monitoring subjects

. . Breaking wire of AC electric circuits

. . Breaking wire of DC electric circuits

. . Breaking wire of a line through which load current is not flows

AA11

AA12

AA13

AA14

AA15

AA16

. Detection means

. . Ones to inject a signal for detection to a monitoring subject

. . Ones not injecting a signal for detection to a monitoring subject

. . . Ones to detect voltage only

. . . Ones to detect current only

. . . Ones to detect both voltage and current

AB00
SUBJECTS OF DETECTION

AB01

AB02

AB03

AB04

AB05

. Insulation degradation

. Failure positions

. Feeder wires having control input

. DC transmission system

. Protection system

AC00
COMPONENT

AC01

AC02

AC03

AC04

AC06

AC08

. Ones of analog types

. . Ones of mechanical types

. . Ones for multiple phases

. . Ones utilizing traveling waves

. Ones using digital computers

. Others

H02H3/02-3/02@Z

BB00
INPUT PARTS OF AN EMERGENCY PROTECTIVE CIRCUIT

BB01

BB02

BB03

BB04

BB05

BB06

BB07

BB08

. Portions being subjects of invention

. . Sensors

. . Filters

. . Rectifier circuits

. . Input switching circuits

. . S/H circuits

. . A/D converter circuits

. . Arithmetical operation circuits

BB11

BB12

BB13

BB14

BB15

. Objects

. . Abnormality detection of an input part

. . Input error reduction

. . Countermeasures against harmonic

. . Countermeasures against direct current components

BC00
COMPONENTS

BC01

BC02

BC06

. Ones of analog types

. Ones using digital computers

. Others

BD00
DETAILS

BD01

BD02

BD03

BD04

BD05

BD06

BD07

. Judgment parts

. Cutoff and turning on methods

. Signal transfer parts

. Ground circuits

. Setting parts

. Memories

. Automatic restoration, operation retention

H02H3/027-3/027@Z

CC00
TIMED CIRCUITS

CC01

CC02

CC03

CC05

CC06

CC07

CC08

. Time-limit characteristics

. . Inverse time

. . Definite time

. Constitution

. . Ones using an analog integration circuit

. . Ones using a pulse counter

. . Ones using a digital computer

H02H3/04-3/04@Z

DD00
DISPLAYS

DD01

DD02

DD03

DD04

. Indication subjects

. . Operations of emergency protective circuit devices

. . Abnormality of a protection subject

. . Detected electrical quantity

DD11

DD12

DD13

DD14

DD15

DD16

DD17

. Functions

. . Advance notice of protection operations

. . Holding of indication

. . Automatic restoration of indication

. . Indication of a plurality of kinds

. . . Indication of order

. . Alarm by sound

H02H3/05-3/05@Z

EE00
RELIABILITY IMPROVEMENT MEANS

EE01

EE02

EE03

EE05

EE06

EE07

EE08

EE10

. Objects

. . Prevention of a false operation or false non-operation against abnormality of protection equipment

. . Prevention of a false operation against electrical disturbance

. Constitution

. . By a time limit

. . By redundancy

. . Data correction

. Others

FF00
CHECK

FF01

FF02

FF03

FF04

FF05

FF06

FF07

FF08

FF09

FF10

. Portions of a check subject

. . Input parts

. . Arithmetical operation parts

. . Sequence circuits, trip circuits

. Characteristics to be a subject of check

. . Time limit

. . Operation levels

. Relay of a check subject

. . Relays taking only current or only voltage as input

. . Relays taking both current and voltage as input

FF11

FF12

FF13

FF14

FF15

FF16

. Functions

. . Tidal current canceling

. . Trip lock at the time of check

. . Coping with troubles during check

. . Check of a plurality of relays

. . Indication of a check situation

FF21

FF22

FF23

FF24

FF25

FF26

. Signals for check

. . Analog

. . . Ones using an electrical quantity of a protection subject

. . . Ones using a simulator

. . . Ones using a waveform signal stored in a memory

. . Digital

FF31

FF32

FF33

. Check timing

. . Ones to utilize spare time of calculation

. . Ones to perform check in response to abnormality detection

GG00
MONITORING

GG01

GG02

GG03

GG04

GG06

GG07

GG08

GG09

. Portion of a monitoring subject

. . Input parts

. . Arithmetical operation parts

. . Sequence circuits, trip circuits

. Monitoring means

. . By a time limit

. . By mutual comparison

. . By comparison standards

H02H3/06-3/06@Z

HH00
RECONNECTING

HH01

HH02

HH03

HH04

HH05

. Constitution of a protection subject

. . Alternating current system

. . . Parallel multi-line

. . . Multiterminal

. . Direct current electric power transmission

HH11

HH12

HH13

. Reconnection being a problem to be solved

. . Single reconnection

. . Multiple times of reconnection

HH21

HH22

HH23

HH24

HH25

HH26

HH27

HH28

HH29

HH30

. Objects

. . Prevention of simultaneously turning on of a plurality of breakers

. . Prevention of asynchronous turning on

. . Prevention of occurrence of abnormal axis torque

. . Blackout time reduction

. . Ones relating to confirmation of reconnecting condition

. . Ones relating to arc extinguishing

. . Ones to identify a failure position

. . Ones having a means for improving reliability

. . Others

5G142	EMERGENCY PROTECTIVE CIRCUIT DEVICE (DETAIL)
	H02H1/00 -3/07;99/00