GB227930A - Improvements in or relating to electric protective arrangements - Google Patents

Improvements in or relating to electric protective arrangements

Info

Publication number
GB227930A
GB227930A GB2683023A GB2683023A GB227930A GB 227930 A GB227930 A GB 227930A GB 2683023 A GB2683023 A GB 2683023A GB 2683023 A GB2683023 A GB 2683023A GB 227930 A GB227930 A GB 227930A
Authority
GB
United Kingdom
Prior art keywords
feeder
winding
relay
faulty
split
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
GB2683023A
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.)
A Reyrolle and Co Ltd
Original Assignee
A Reyrolle and Co Ltd
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 A Reyrolle and Co Ltd filed Critical A Reyrolle and Co Ltd
Priority to GB2683023A priority Critical patent/GB227930A/en
Publication of GB227930A publication Critical patent/GB227930A/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
    • H02H7/267—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 for parallel lines and wires

Landscapes

  • Gas-Insulated Switchgears (AREA)

Abstract

227,930. Reyrolle & Co., Ltd., A., and Leeson, B. H. Oct. 26, 1923. Protective arrangements. - In order to indicate the faulty feeder in a split-conductor system, the relay which trips out the parallel feeders is provided with a polarizing winding to give a directional movement to its movable member, depending on the direction of the flux in the core of the split-conductor transformer. In the polyphase system shown the split conductors C, C<1> are surrounded by a transformer core E- carrying a secondary winding G connected to the relay winding J<1>. The pivoted relay armature J<2> is provided with a polarizing winding J<3> fed from a potential transformer K K' connected across the lines A - - C. The direction of the flux in the core E<2> corresponding to a faulty condition of either feeder causes the arm J<2> to rock in one or other direction so operating bridging contact J<4> or J<5> to energise the circuitbreaker trip coil O. Indicators M M<1> are provided to denote which pair of fixed relay contacts have been bridged and, consequently which feeder is faulty. Before the sound feeder is switched again into the circuit the isolating switch F<1> or F<2> in the faulty feeder is opened and a switch H moved over ,to connect the winding B to an overload relay P.
GB2683023A 1923-10-26 1923-10-26 Improvements in or relating to electric protective arrangements Expired GB227930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2683023A GB227930A (en) 1923-10-26 1923-10-26 Improvements in or relating to electric protective arrangements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2683023A GB227930A (en) 1923-10-26 1923-10-26 Improvements in or relating to electric protective arrangements

Publications (1)

Publication Number Publication Date
GB227930A true GB227930A (en) 1925-01-26

Family

ID=10249929

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2683023A Expired GB227930A (en) 1923-10-26 1923-10-26 Improvements in or relating to electric protective arrangements

Country Status (1)

Country Link
GB (1) GB227930A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4358809A (en) * 1980-05-09 1982-11-09 U.S. Philips Corporation Personal protection circuit
EP1057233A1 (en) * 1998-02-19 2000-12-06 Square D Company Zone arc fault detection
US7737809B2 (en) 2003-02-03 2010-06-15 Leviton Manufacturing Co., Inc. Circuit interrupting device and system utilizing bridge contact mechanism and reset lockout
US7764151B2 (en) 1998-08-24 2010-07-27 Leviton Manufacturing Co., Ltd. Circuit interrupting device with reverse wiring protection
US7804255B2 (en) 2007-07-26 2010-09-28 Leviton Manufacturing Company, Inc. Dimming system powered by two current sources and having an operation indicator module
US7907371B2 (en) 1998-08-24 2011-03-15 Leviton Manufacturing Company, Inc. Circuit interrupting device with reset lockout and reverse wiring protection and method of manufacture
US7944331B2 (en) 2003-02-03 2011-05-17 Leviton Manufacturing Co., Inc. Circuit interrupting device with reverse wiring protection
US8004804B2 (en) 2000-10-16 2011-08-23 Leviton Manufacturing Co., Inc. Circuit interrupter having at least one indicator
US8089738B2 (en) 2002-05-09 2012-01-03 Hubbell Incorporated GFCI that cannot be reset until wired correctly on line side and power is applied
US8444309B2 (en) 2010-08-13 2013-05-21 Leviton Manufacturing Company, Inc. Wiring device with illumination
US8526144B2 (en) 2011-03-31 2013-09-03 Leviton Manufacturing Company, Inc. Reset lockout with grounded neutral test

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4358809A (en) * 1980-05-09 1982-11-09 U.S. Philips Corporation Personal protection circuit
EP1057233A1 (en) * 1998-02-19 2000-12-06 Square D Company Zone arc fault detection
EP1057233A4 (en) * 1998-02-19 2005-05-04 Square D Co Zone arc fault detection
US7764151B2 (en) 1998-08-24 2010-07-27 Leviton Manufacturing Co., Ltd. Circuit interrupting device with reverse wiring protection
US8130480B2 (en) 1998-08-24 2012-03-06 Leviton Manufactuing Co., Inc. Circuit interrupting device with reset lockout
US7907371B2 (en) 1998-08-24 2011-03-15 Leviton Manufacturing Company, Inc. Circuit interrupting device with reset lockout and reverse wiring protection and method of manufacture
US8054595B2 (en) 1998-08-24 2011-11-08 Leviton Manufacturing Co., Inc. Circuit interrupting device with reset lockout
US8004804B2 (en) 2000-10-16 2011-08-23 Leviton Manufacturing Co., Inc. Circuit interrupter having at least one indicator
US8089738B2 (en) 2002-05-09 2012-01-03 Hubbell Incorporated GFCI that cannot be reset until wired correctly on line side and power is applied
US7737809B2 (en) 2003-02-03 2010-06-15 Leviton Manufacturing Co., Inc. Circuit interrupting device and system utilizing bridge contact mechanism and reset lockout
US7944331B2 (en) 2003-02-03 2011-05-17 Leviton Manufacturing Co., Inc. Circuit interrupting device with reverse wiring protection
US7834560B2 (en) 2007-07-26 2010-11-16 Leviton Manufacturing Co., Inc. Dimming system powered by two current sources and having an operation indicator module
US7804255B2 (en) 2007-07-26 2010-09-28 Leviton Manufacturing Company, Inc. Dimming system powered by two current sources and having an operation indicator module
US8444309B2 (en) 2010-08-13 2013-05-21 Leviton Manufacturing Company, Inc. Wiring device with illumination
US8526144B2 (en) 2011-03-31 2013-09-03 Leviton Manufacturing Company, Inc. Reset lockout with grounded neutral test

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