[go: up one dir, main page]

JPS25002153Y1 - - Google Patents

Info

Publication number
JPS25002153Y1
JPS25002153Y1 JP2996140U JP2996140U JPS25002153Y1 JP S25002153 Y1 JPS25002153 Y1 JP S25002153Y1 JP 2996140 U JP2996140 U JP 2996140U JP 2996140 U JP2996140 U JP 2996140U JP S25002153 Y1 JPS25002153 Y1 JP S25002153Y1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP2996140U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS25002153Y1 publication Critical patent/JPS25002153Y1/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/28—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Transformers (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP2996140U 1939-12-28 1940-12-17 Expired JPS25002153Y1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US311377A US2276888A (en) 1939-12-28 1939-12-28 Flared-ratio differential relay and auxiliary transformer therefor

Publications (1)

Publication Number Publication Date
JPS25002153Y1 true JPS25002153Y1 (en) 1950-03-30

Family

ID=23206621

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2996140U Expired JPS25002153Y1 (en) 1939-12-28 1940-12-17

Country Status (2)

Country Link
US (1) US2276888A (en)
JP (1) JPS25002153Y1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425759A (en) * 1945-03-15 1947-08-19 Westinghouse Electric Corp Impedance type distance relay
US2644118A (en) * 1951-01-29 1953-06-30 Hydraulic Res And Mfg Company Relay
US2892974A (en) * 1956-08-10 1959-06-30 Gen Electric Magnetic amplifier sensing and motor control combinations

Also Published As

Publication number Publication date
US2276888A (en) 1942-03-17

Similar Documents

Publication Publication Date Title
JPS25002153Y1 (en)
FR961313A (en)
FR848971A (en)
FR848888A (en)
BE435335A (en)
BE433403A (en)
BE435413A (en)
BE435213A (en)
BE434846A (en)
BE434714A (en)
BE434662A (en)
BE434647A (en)
SE105195C1 (en)
BE434556A (en)
NL74873C (en)
BE434526A (en)
BE434444A (en)
NL64835C (en)
BE434375A (en)
BE434030A (en)
BE433998A (en)
NL54518C (en)
BE433994A (en)
BE432719A (en)
BE433856A (en)