US3662215A - A triggering circuit for triggering series-connected spark gaps - Google Patents

A triggering circuit for triggering series-connected spark gaps Download PDF

Info

Publication number
US3662215A
US3662215A US128195A US3662215DA US3662215A US 3662215 A US3662215 A US 3662215A US 128195 A US128195 A US 128195A US 3662215D A US3662215D A US 3662215DA US 3662215 A US3662215 A US 3662215A
Authority
US
United States
Prior art keywords
chain
spark gap
piles
grading
pile
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 - Lifetime
Application number
US128195A
Other languages
English (en)
Inventor
Asle Schei
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
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 ASEA AB filed Critical ASEA AB
Application granted granted Critical
Publication of US3662215A publication Critical patent/US3662215A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/16—Overvoltage arresters using spark gaps having a plurality of gaps arranged in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G25/00—Conveyors comprising a cyclically-moving, e.g. reciprocating, carrier or impeller which is disengaged from the load during the return part of its movement
    • B65G25/02—Conveyors comprising a cyclically-moving, e.g. reciprocating, carrier or impeller which is disengaged from the load during the return part of its movement the carrier or impeller having different forward and return paths of movement, e.g. walking beam conveyors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/06—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters

Definitions

  • U.S.Cl ..3l5/l89, 3l5/35,315/36, chain is formed of a number of resismrs and capacitors in 315/241, 328/9 parallel connected across each end gap pile and each pair of [51] Int. Cl ..H05b 37/00, HOSb 39/00 other gap piles, and the other grading chain is formed of re- [58] Field of Search ..315/35, 36, 189, 241; 328/8; sistors in the chain between the pairs of gap piles and circuits 313/231.1, 325 formed of a capacitor and a resistor in parallel with each pair of gap piles.
  • the present invention relates to a means for triggering series-connected spark gap piles so that by triggering one of the gap piles the entire spark gap chain can be made to spark over-for a voltage which is greater than or equal to half the spark over-voltage for the whole gap arrangement.
  • the arrangement shown in the drawing consists of a spark gap chain and a first and second grading chain.
  • the spark gap chain consists of a number of series-connected spark gap stack piles G which are preferably equal and have the same spark over-voltage.
  • Resistors R are connected at certain points in the chain. In the shown embodiment of the invention such a resistor is connected between the two outermost gap piles at both ends of the chain, whereas otherwise groups of two series-connected gap piles are separated by one resistor.
  • the resistance of the resistors may vary and can even attain the value zero. It may also vary from resistor to resistor.
  • the first grading chain consists of a series connection of the resistors R in the spark gap chain and also a number of parallel circuits each consisting of a capacitor and a resistor.
  • the grading chain has one such parallel circuit at each end consisting of a capacitor 2 C, and a resistor R,,,,,,
  • the other parallel circuits consist of a capacitor C, and a resistor R,.
  • the two outer parallel circuits are connected over a single spark gap pile G whereas all the other parallel circuits are connected over two series-connected spark gap piles.
  • the second grading chain consists of a number of seriesconnected parallel circuits, each consisting of a capacitor C and a resistor R Each of these circuits is connected over a resistor R and a spark gap Ci situated on each side of the resistor in the spark gap chain.
  • the central point of a resistor R, in the first grading chain may be connected to the connection point of the spark gap chain on the second grading chain. In such an arrangement the resistor R in the second grading chain can be omitted.
  • the two grading chains control the voltage over the spark gap chain both capacitively and resistively.
  • R resistors
  • R is very much larger than R, and that the latter may even be zero.
  • a triggering circuit T is connected, with the help of which the spark gap piles connected to the triggering circuit can be ignited.
  • the triggering circuit is shown connected to the lowermost spark gap pile which, from the point of view of insulation, is most advantageous.
  • the triggering circuit consists of a voltage source B, a resistor R and a switch S.
  • the ga piles for example the lowest, so that it sparks over, all the vo tage over the lowermost capacitor C, will then be situated over the second gap pile from below so that the voltage over this gap pile is doubled and becomes equal to 2 U/n. If U is sufficiently high, greater than or equal to half the spark over-voltage for the series-connected gap piles, the second gap pile from below will spark over immediately after the lowermost gap pile has sparked over. When the second gappile has sparked over the third from below receives a voltage 2 um and sparks over. In this way the gap piles spark over successively upwards.
  • the through-ignition time that is the time from when the lowermost gap pile is triggered until the entire chain has sparked over, depends first on the construction of the gap pile since the capacitor C, in a circuit must be discharged before further gap piles can be ignited.
  • the size of R however, is of no importance for the through-ignition time.
  • a resistor R which is more high ohmic has, however, the advantage that the voltage distribution over the chain during the through-ignition process will be more linear.
  • an over-voltage protection device having throughrunning, parallel legs in which the legs can be ignited successively with the required delay by taking the triggering pulse for a certain leg from a leg which has already sparked over.
  • a surge diverter comprising a chain of series-connected spark gap piles, first and second grading chains connected in parallel with said spark gap pile chain, each grading chain comprising a plurality of series-connected circuits, each of said circuits comprising a resistor and a capacitor in parallelconnection, each of said circuits, except the ones at the top and the bottom, in the first grading chain being connected across two spark gap piles in the spark gap pile chain, the connection points for the first and the second grading chains being equally and alternately distributed along the spark gap pile, said connection points constituting the only connections between each grading chain and the spark gap pile chain, a trigger circuit in the first grading chain connected across at least one spark gap pile, which forms a trigger spark gap pile, said trigger spark gap pile being in series with at least one further spark gap pile forming the part of the spark gap pile chain situated between two adjacent connection points for the second grading chain.
  • a surge diverter according to claim I in which the spark gap pile chain also includes a number of resistors, evenly distributed within the spark gap pile chain.
  • a surge diverter in which the circuits of the first grading chain are series-connected with a number of resistors which are connected in the spark gap pile chain, each one between two connection points for said first grading chain.
  • each circuit of the second grading chain is connected in parallel with two spark gap piles and a resistor situated between said two gap piles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Generation Of Surge Voltage And Current (AREA)
  • Emergency Protection Circuit Devices (AREA)
US128195A 1968-02-28 1971-03-25 A triggering circuit for triggering series-connected spark gaps Expired - Lifetime US3662215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2533/68A SE316829B (de) 1968-02-28 1968-02-28

Publications (1)

Publication Number Publication Date
US3662215A true US3662215A (en) 1972-05-09

Family

ID=20260126

Family Applications (1)

Application Number Title Priority Date Filing Date
US128195A Expired - Lifetime US3662215A (en) 1968-02-28 1971-03-25 A triggering circuit for triggering series-connected spark gaps

Country Status (7)

Country Link
US (1) US3662215A (de)
JP (1) JPS4812326B1 (de)
CH (1) CH500610A (de)
DE (1) DE1908184A1 (de)
FR (1) FR2002795A1 (de)
GB (1) GB1248316A (de)
SE (1) SE316829B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2192149A1 (es) * 2001-03-24 2003-09-16 Bettermann Obo Gmbh & Co Kg Explosor capaz de soportar la corriente de un rayo.
CN102545196A (zh) * 2012-02-10 2012-07-04 杨国华 一种多层放电间隙型电涌保护器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB940978A (en) * 1959-11-24 1963-11-06 Gen Electric Co Ltd Improvements in or relating to spark gap apparatus
US3353059A (en) * 1966-04-08 1967-11-14 Anthony J Buffa Series multiple spark gap switch with a triggering terminal
US3393338A (en) * 1966-05-16 1968-07-16 Gen Electric Surge suppressor for protecting a high voltage dc power circuit
US3418530A (en) * 1966-09-07 1968-12-24 Army Usa Electronic crowbar
US3496409A (en) * 1966-10-11 1970-02-17 Ohio Brass Co Spark gap and discharge control apparatus
US3510726A (en) * 1967-10-31 1970-05-05 Westinghouse Electric Corp Grading and cascading circuit for lightning arresters having a plurality of spark gaps

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB940978A (en) * 1959-11-24 1963-11-06 Gen Electric Co Ltd Improvements in or relating to spark gap apparatus
US3353059A (en) * 1966-04-08 1967-11-14 Anthony J Buffa Series multiple spark gap switch with a triggering terminal
US3393338A (en) * 1966-05-16 1968-07-16 Gen Electric Surge suppressor for protecting a high voltage dc power circuit
US3418530A (en) * 1966-09-07 1968-12-24 Army Usa Electronic crowbar
US3496409A (en) * 1966-10-11 1970-02-17 Ohio Brass Co Spark gap and discharge control apparatus
US3510726A (en) * 1967-10-31 1970-05-05 Westinghouse Electric Corp Grading and cascading circuit for lightning arresters having a plurality of spark gaps

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2192149A1 (es) * 2001-03-24 2003-09-16 Bettermann Obo Gmbh & Co Kg Explosor capaz de soportar la corriente de un rayo.
CN102545196A (zh) * 2012-02-10 2012-07-04 杨国华 一种多层放电间隙型电涌保护器
CN102545196B (zh) * 2012-02-10 2015-01-28 四川中光防雷科技股份有限公司 一种多层放电间隙型电涌保护器

Also Published As

Publication number Publication date
FR2002795A1 (de) 1969-10-31
DE1908184A1 (de) 1969-10-09
SE316829B (de) 1969-11-03
GB1248316A (en) 1971-09-29
CH500610A (de) 1970-12-15
JPS4812326B1 (de) 1973-04-19

Similar Documents

Publication Publication Date Title
US3418530A (en) Electronic crowbar
US3496409A (en) Spark gap and discharge control apparatus
EP0186939A2 (de) Schaltungsanordnung
US4860156A (en) Overvoltage protective circuit
US3662215A (en) A triggering circuit for triggering series-connected spark gaps
US4470005A (en) Static VAR generator having a thyristor circuit arrangement providing reduced losses
SE8303481L (sv) Skyddsanordning for seriekondensatorer
US3859569A (en) Overvoltage surge arrester with improved voltage grading circuit
US3566197A (en) Over-voltage protection device
US3683234A (en) Protective device comprising a plurality of serially connected spark gaps
US3510726A (en) Grading and cascading circuit for lightning arresters having a plurality of spark gaps
US4072998A (en) Over-voltage protection device
US3515934A (en) Lightning arrester sparkover control
US2611107A (en) Electric lightning arrester
US3679939A (en) Lightning arrester
US3628122A (en) Multistage marx impulse generator circuit comprising charging switch and protective resistors
US4002947A (en) Arcing stacked plate nonlinear resistor for voltage limiter applications such as series capacitor protection
US3544847A (en) Flip-flop lightning arrester with reduced protective level
GB2179214A (en) Surge voltage protection arrangement
US3310707A (en) Over voltage protection means for high voltage mercury arc rectifiers
DE2342772A1 (de) Hochspannungs- und festkoerpergleichrichtersystem
US3911322A (en) Method and circuit arrangement for an improved low cost lightning arrester
SU1034107A1 (ru) Многозазорный управл емый разр дник
SU694924A2 (ru) Вентильный разр дник
SU811398A1 (ru) Устройство дл защиты от пере-НАпР жЕНий