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TRANSFORMER COMPONENTS
—
4. Test
—
Comem RIS2 has fully passed the
type tests prescribed by both
European Standard EN 50216-3 and
by ABB internal technical standards,
which are listed as follows:
Type tests
• Pressure overload: 2.5 bar - 2 minutes - with oil at
115 °C
• Operation at extreme temperatures: at -40 °C and
120 °
• Classification of the IP 66 protection rating:
EN 60529
• Classification of ambient conditions: 4K2, 4Z2,
4B1, 4C2, 4S3, according to EN 60721-3-4
• Mechanical vibrations 4M4 (shock 250 m/sec
2
.
Time spectrum “I”: 1 1 ms), according to EN 60721-3-4
• Gas or oil volume for contact switching at ambient
temperature and at the average working
temperature of the transformer: max. 150 cm
3
• Contact response time: < 0.5 seconds
• Allowed max. magnetic field value: 25 mT (no
intervention of Comem RIS2 According to
EN 50216-3
• Tightness test - 1000 hours in saline saturated
atmosphere UNI-ISO 9227-93 (NSS)
• Tightness test against UV ageing according to UNI
ISO 4892
.
Routine tests
Before shipment each piece is also subjected to the
following routine tests:
• Tightness test: 30 minutes - 1 bar - with oil at 90 °C
• Operation of thermostats
• Pressure switch operation
• Oil level switch operation
Options on request
• Pneumatic pump set / oil re-fill in altitude. Code:
1ZBG000053-SPAR.
Supply conditions
Comem RIS2 is supplied in a single sturdy carton
(dimensions: 400 mm x 200 mm x 160 mm, weight:
2.2 kg) and complete with the following accessories:
• Instruction booklet for installation and use
• Fixing kit
• Test report.
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