GB1044006A - Improvements relating to apparatus for measuring the tracking properties of an electrically insulating material - Google Patents
Improvements relating to apparatus for measuring the tracking properties of an electrically insulating materialInfo
- Publication number
- GB1044006A GB1044006A GB2784462A GB2784462A GB1044006A GB 1044006 A GB1044006 A GB 1044006A GB 2784462 A GB2784462 A GB 2784462A GB 2784462 A GB2784462 A GB 2784462A GB 1044006 A GB1044006 A GB 1044006A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrodes
- arc
- delay line
- until
- measuring
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/16—Construction of testing vessels; Electrodes therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
1,044,006. Pulse generating circuits. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. July 18, 1963 [July 19, 1962], No. 27844/62. Heading H3P. [Also in Division G4] In a pulse generating circuit for use in measuring the tracking properties of an electrical insulator 6, Fig. 1, by applying highvoltage pulses to an electrode pair 4, 5 until a conductive track becomes established on the surface of the insulator, a delay line L 1 , C 1 is charged from a 3 kv. A.C. source until it triggers a controlled spark gap G 2 (as described in Specification 861,740, which is referred to) which then applies 10 kv. from a charged capacitor C 3 across the electrodes 4, 5, thereby establishing an arc between them, and the arc is maintained by the energy in the delay line until it is discharged. Once the arc between electrodes 4, 5 breaks the delay line begins to charge again and the cycle is repeated. When a conductive path is established between electrodes 4, 5 a capacitor C 2 begins to charge and eventually establishes a spark at a gap G 1 which, via a relay contact NC, removes the 3 kv. source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2784462A GB1044006A (en) | 1962-07-19 | 1962-07-19 | Improvements relating to apparatus for measuring the tracking properties of an electrically insulating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2784462A GB1044006A (en) | 1962-07-19 | 1962-07-19 | Improvements relating to apparatus for measuring the tracking properties of an electrically insulating material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1044006A true GB1044006A (en) | 1966-09-28 |
Family
ID=10266222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2784462A Expired GB1044006A (en) | 1962-07-19 | 1962-07-19 | Improvements relating to apparatus for measuring the tracking properties of an electrically insulating material |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1044006A (en) |
-
1962
- 1962-07-19 GB GB2784462A patent/GB1044006A/en not_active Expired
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