GB226240A - - Google Patents

Info

Publication number
GB226240A
GB226240A GB30155/24A GB3015524A GB226240A GB 226240 A GB226240 A GB 226240A GB 30155/24 A GB30155/24 A GB 30155/24A GB 3015524 A GB3015524 A GB 3015524A GB 226240 A GB226240 A GB 226240A
Authority
GB
United Kingdom
Prior art keywords
coil
time
ohmmeter
lag
tripping
Prior art date
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
GB30155/24A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BBC Brown Boveri AG Germany
Original Assignee
Brown Boveri und Cie AG Germany
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 by Brown Boveri und Cie AG Germany filed Critical Brown Boveri und Cie AG Germany
Publication of GB226240A publication Critical patent/GB226240A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • 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
    • 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 occured
    • H02H7/30—Staggered disconnection

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
GB30155/24A 1923-12-15 1924-12-15 Expired GB226240A (enrdf_load_stackoverflow)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE111649X 1923-12-15
DE590463X 1923-12-15
DE226240T 1923-12-15
DE1873959X 1923-12-15

Publications (1)

Publication Number Publication Date
GB226240A true GB226240A (enrdf_load_stackoverflow) 1925-12-31

Family

ID=66099955

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30155/24A Expired GB226240A (enrdf_load_stackoverflow) 1923-12-15 1924-12-15

Country Status (4)

Country Link
US (1) US1873959A (enrdf_load_stackoverflow)
CH (1) CH111649A (enrdf_load_stackoverflow)
FR (1) FR590463A (enrdf_load_stackoverflow)
GB (1) GB226240A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
CH111649A (de) 1925-09-01
FR590463A (fr) 1925-06-17
US1873959A (en) 1932-08-30

Similar Documents

Publication Publication Date Title
GB226240A (enrdf_load_stackoverflow)
GB385388A (en) Improvements in and relating to protective apparatus for electric circuits
US2394294A (en) Time delay relay circuit
GB748532A (en) Improvements in or relating to arrangements for limiting overload currents in direct-current and alternating-current supply systems
GB218938A (en) Improvements in and relating to a protective device for an alternating current system
US1549734A (en) Relay
GB393577A (en) Improvements in and relating to protective apparatus for electric systems
US726837A (en) Electrical distributing system.
GB378574A (en) Improved means for protecting electric lines with impedance relays
GB253679A (en) Electro-magnetic circuit breakers
GB366108A (en) An arrangement for the selective distance protection of polyphase lines
GB740411A (en) Improvements in or relating to electric protective and control apparatus
GB182091A (en) Improvements in overload circuit-breakers
US1665858A (en) Circuit interrupter
GB212647A (en) Improvements in and relating to protective devices for dynamo electric machines
GB118984A (en) Improvements in or relating to Electrical Relays.
GB205753A (en) Improvements in and relating to circuit breaker systems
GB273452A (en) Improvements in or relating to electrical protective relays
GB321766A (en) Electrically operated track switches
GB205002A (en) Improvements in and relating to automatic reclosing circuit breaker systems
GB482534A (en) Improvements in and relating to electric supply systems
GB257246A (en) Improvements in and relating to circuit protection
GB261496A (en) Improvements in or relating to the protection of electric line sections
GB423517A (en) Improvements in or relating to electric overload protective arrangements
GB138675A (en) Improvements in and relating to protective gear for alternating electric current generators