ABB Comem OLI, Инструкция по эксплуатации

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TRANSFORMER COMPONENTS
O I L LE V EL I N D I C ATO R - INSTRUCTION MANUAL
3.4 Tests
Description Reference standard Description Reference standard
Fast transient/burs immunity test IEC 61 000-4-4 Emission standard IEC 61 000-6-3
(EN 55022) IEC 61 000-4-6 Harmonic current emission EN 61000-3-2
Conducted disturbances IEC 61 000-4-6 Harmonic current emission EN 61000-3-2
Electrostatic discharge IEC 61 000-4-2 Voltage fluctuations and flicker EN 61000-3-3
Surge immunity test IEC 61 000-4-5 Vibration Test CEI EN 60721-3-4 (Class 4M4)
Magnetic field immunity test IEC 61 000-4-3 Vibration Test IEC 60068-3-3
Power frequency magnetic field IEC 61 000-4-8 - -
Other values may be agreed between purchaser and
supplier. The minimum contact life shall be 1.000
operations.
EXPECTED USE : EXTERNAL
MAXIMUM ALTITUDE : 2000 M
MAXIMUM HUMIDITY : 80%
POLLUTION LEVEL : GRADE III
NOTE
FOR COMEM EOLI
—
3. Operating principle