EN 60383-2:1995
Current
The latest, up-to-date edition.
Insulators for overhead lines with a nominal voltage above 1 kV - Part 2: Insulator strings and insulator sets for a.c. systems - Definitions, test methods and acceptance criteria
01-24-1995
SECTION 1: GENERAL
1 Scope
2 Normative references
3 Definitions
3.1 Insulator string
3.2 Insulator set
3.3 Flash-over
3.4 Dry lightning impulse withstand voltage
3.5 50% dry lightning impulse flash-over voltage
3.6 Wet power-frequency withstand voltage
3.7 Wet power-frequency flash-over voltage
3.8 Wet switching impulse withstand voltage
3.9 50% Wet switching impulse flash-over voltage
4 Electrical values which characterize an insulator or
an insulator set
SECTION 2: TEST PROCEDURES FOR ELECTRICAL TESTS
5 General requirements for high voltage tests
6 Standard atmosphere conditions and correction factors
for electrical tests
6.1 Standard reference atmosphere
6.2 Correction factors for atmosphere conditions
7 Artificial rain parameters for wet tests
8 Mounting arrangements for electrical tests
9 Lightning impulse voltage tests
10 Wet power-frequency voltage tests
11 Wet switching impulse voltage tests
12 Methods of mounting
12.1 Standard mounting arrangement of an insulator
string or insulator set when switching impulse
tests are not required
12.2 Standard mounting arrangement of an insulator
string or insulator set when switching impulse
tests are required
12.3 Mounting arrangement reproducing service
conditions
Annex A (informative) List of normative documents given
for information
Annex ZA (normative) Other international publications
quoted in this standard with the references of
the relevant European publications
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