GB256117A - Improvements in or relating to automatic reclosing circuit breaker systems - Google Patents

Improvements in or relating to automatic reclosing circuit breaker systems

Info

Publication number
GB256117A
GB256117A GB3234525A GB3234525A GB256117A GB 256117 A GB256117 A GB 256117A GB 3234525 A GB3234525 A GB 3234525A GB 3234525 A GB3234525 A GB 3234525A GB 256117 A GB256117 A GB 256117A
Authority
GB
United Kingdom
Prior art keywords
coil
breaker
circuit
resistance
series
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
GB3234525A
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.)
Cutler Hammer Manufacturing Co
Original Assignee
Cutler Hammer Manufacturing Co
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 Cutler Hammer Manufacturing Co filed Critical Cutler Hammer Manufacturing Co
Priority to GB3234525A priority Critical patent/GB256117A/en
Publication of GB256117A publication Critical patent/GB256117A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/06Details with automatic reconnection
    • H02H3/066Reconnection being a consequence of eliminating the fault which caused disconnection

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

256,117. Igranic Electric Co., Ltd., (Cutler-Hammer Manufacturing Co.). Dec. 22, 1925. Cut-out arrangements.-In an automaticallyreclosing circuit-breaker system, when the main circuit-breaker 2 opens on overload due to the opening of its holding coil 3 by the action of the overload relay 5 carrying a series coil 6, the relay is held open by a holding-out coil 7 and back contacts 9 on the circuit-breaker connect a low resistance R<2> in parallel with the load. The coil 7 is in shunt with the circuit-breaker and when the circuit-breaker is open is in series with the load. A relatively-high resistance R<1> is connected in series jointly with the coil 7 and the resistance R<2>. When, after the circuit-breaker has been released to assume the open position, the resistance of the load increases sufficiently in relation to the parallel resistance R<2> the current in the coil 7 in series with the load decreases to the point at which it is inadequate to hold out the overload relay 5 which closes and completes the closing circuit of the main circuit-breaker. The coil 7 instead of being arranged on the overload relay may be the operating coil of a separate holding-out relay with its contacts in the lead 10.
GB3234525A 1925-12-22 1925-12-22 Improvements in or relating to automatic reclosing circuit breaker systems Expired GB256117A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3234525A GB256117A (en) 1925-12-22 1925-12-22 Improvements in or relating to automatic reclosing circuit breaker systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3234525A GB256117A (en) 1925-12-22 1925-12-22 Improvements in or relating to automatic reclosing circuit breaker systems

Publications (1)

Publication Number Publication Date
GB256117A true GB256117A (en) 1926-08-05

Family

ID=10337172

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3234525A Expired GB256117A (en) 1925-12-22 1925-12-22 Improvements in or relating to automatic reclosing circuit breaker systems

Country Status (1)

Country Link
GB (1) GB256117A (en)

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