93
VN laboratorij
HV laboratory
Laboratorij
Laboratory
9.3 Preskusni protokoli
9.3 Test protocols
Tokovni udarni generator
Maksimalna amplituda udarnega toka:
• 10/350 μs............ 50 kA
• 8/20 μs................. 50 kA
• 4/10 μs...............100 kA
• 2 ms....................1000 A
Oblike udarnih tokov
Standardne:
• 4/10 μs
• 8/20 μs
• 10/350 μs
• dolgega trajanja 1 ms
• dolgega trajanja 2 ms
Nestandardne:
• od 4/10 do 30/60 μs
• od 250 do 2000 μs
Generator uporabljamo za delovne preskuse v skladu s
standardoma IEC 60099-4 in IEC 61643.
Current impulse generator
Peak value of the lightning impulse current:
• 10/350 μs............. 50 kA
• 8/20 μs.................. 50 kA
• 4/10 μs................100 kA
• 2 ms.....................1000 A
Current impulses generated
Standard:
• 4/10 μs
• 8/20 μs
• 10/350 μs
• long duration current 1 ms
• long duration current 2 ms
Nonstandard:
• from 4/10 to 30/60 μs
• from 250 to 2000 μs
The generator is used for operating duty tests in accordance
with standards IEC 60099-4 and IEC 61643.
SN odvodniki prenapetosti
Standard IEC 60099-4
8.2 Preskus vzdržnosti izolacije
8.3 Preskusi preostale napetosti
8.4 Preskus s tokom dolgega trajanja
8.5 Delovni preskus
8.5.2 Preskus pospešenega staranja
9.1 Rutinski preizkus
Standard IEC 60099-5
6.3 Meritev ohmske komponente uhajavega toka
NN odvodniki prenapetosti
Standard IEC 61643-1
7.5.2 Meritve preostale napetosti z impulznim
tokom 8/20 µs
7.6 Delovni preskus
7.7.2 Preskus termične stabilnosti
7.9.8 Dielektrična vzdržnost
Kompozitni paličasti izolatorji
Standard IEC 61109
6.1 Vzdržna atm. udarna napetost v suhem
6.2 Vzdržna izmenična napetost v mokrem
6.4 Mehanski preskusi
MV surge arresters
Standard IEC 60099-4
8.2 Insulation withstand test on the arrester housing
8.3 Residual voltage tests
8.4 Long-duration current impulse withstand test
8.5 Operating duty test
8.5.2 Accelerated ageing test
9.1 Routine testing
Standard IEC 60099-5
6.3 Measurement of the resistive leakage current
LV surge arresters
Standard IEC 61643-1
7.5.2 Measuring of the residual voltage with 8/20 µs
current impulses
7.6 Operating duty test
7.7.2 Test of thermal stability
7.9.8 Dielectric withstand
Tension composite insulators
Standard IEC 61109
6.1 Dry lightning impulse withstand voltage test
6.2 Wet power frequency voltage test
6.4 Mechanical tests
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