GB1275931A - Flip-flop lightning arrester with improved means for preventing parallel operation - Google Patents

Flip-flop lightning arrester with improved means for preventing parallel operation

Info

Publication number
GB1275931A
GB1275931A GB44428/69A GB4442869A GB1275931A GB 1275931 A GB1275931 A GB 1275931A GB 44428/69 A GB44428/69 A GB 44428/69A GB 4442869 A GB4442869 A GB 4442869A GB 1275931 A GB1275931 A GB 1275931A
Authority
GB
United Kingdom
Prior art keywords
column
coil
columns
parallel
flop
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
GB44428/69A
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Publication of GB1275931A publication Critical patent/GB1275931A/en
Expired legal-status Critical Current

Links

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
    • 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

Abstract

1275931 Lightning arresters GENERAL ELECTRIC CO 9 Sept 1969 [16 Sept 1968] 44428/69 Heading H2H A flip-flop lightning arrester comprises at least two parallel-connected columns each including a magnetic are blow-out coil. The coil in one column is shunted by a spark-gap, and the coil in another column is shunted by a valve resistor. In the construction shown, the parallel columns A, B each include four current-limiting gaps 4 1 , 4 2 , 4 3 , 4 4 and 4<SP>1</SP> 1 , 4<SP>1</SP> 2 , 4<SP>1</SP> 3 , 4<SP>1</SP> 4 in series with blow-out coils 5, 5<SP>1</SP>, respectively. In order to prevent continued parallel operation of the columns when both have sparked over simultaneously, it is arranged that the column B builds up counter voltage much more rapidly than column A and seals off in a few hundred microseconds. This occurs since current increases quickly in the coil 5<SP>1</SP> which has low inductance and resistance. In column A, since the gap 6 is sparked over, the voltage across the coil 5 is very small, and consequently the arcs in the main gaps of the column are only extended slowly. The arrester may have additional parallel columns each constructed in the same way as either column A or column B.
GB44428/69A 1968-09-16 1969-09-09 Flip-flop lightning arrester with improved means for preventing parallel operation Expired GB1275931A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US762301A US3538387A (en) 1968-09-16 1968-09-16 Flip-flop lightning arrester with improved means for preventing parallel operation

Publications (1)

Publication Number Publication Date
GB1275931A true GB1275931A (en) 1972-06-01

Family

ID=25064664

Family Applications (1)

Application Number Title Priority Date Filing Date
GB44428/69A Expired GB1275931A (en) 1968-09-16 1969-09-09 Flip-flop lightning arrester with improved means for preventing parallel operation

Country Status (6)

Country Link
US (1) US3538387A (en)
JP (1) JPS4636221B1 (en)
DE (1) DE1946433C3 (en)
FR (1) FR2018165A1 (en)
GB (1) GB1275931A (en)
SE (1) SE348896B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2763818A (en) * 1954-10-14 1956-09-18 Westinghouse Electric Corp Lighting arrester

Also Published As

Publication number Publication date
JPS4636221B1 (en) 1971-10-23
FR2018165A1 (en) 1970-05-29
DE1946433C3 (en) 1973-06-28
DE1946433A1 (en) 1970-03-26
DE1946433B2 (en) 1972-12-07
SE348896B (en) 1972-09-11
US3538387A (en) 1970-11-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee