ABB 1MRK002826-AG - Page 68

Table 34. Insulation tests, REX061
Test Type test values Reference standard
Dielectric test 7.48 kV DC, 1min
(connections to rotor)
2.8 kV DC, 1 min
IEEE 421.3
IEC 60255-27
Impulse voltage test 12.0 kV, 1.2/50 µs, 0.5 J
(connections to rotor)
5.0 kV, 1.2/50 µs, 0.5 J
IEC 60664-1
IEC 60255-27
Insulation resistance >100 MΩ at 500V DC IEC 60255-27
Table 35. Mechanical tests
Test Type test value Reference standard
Vibration response test Class 2 IEC 60255-21-1
Vibration endurance test
REX060
REX061 and REX062
Class 1
Class 2
IEC 60255-21-1
Shock response test
REX060
REX061 and REX062
Class 1
Class 2
IEC 60255-21-2
Shock withstand test
REX060
REX061 and REX062
Class 1
Class 2
IEC 60255-21-2
Bump test
REX060
REX061 and REX062
Class 1
Class 2
IEC 60255-21-2
Seismic test
REG670 and REX060
REX061 and REX062
Class 2
Class 2 extended
IEC 60255-21-3
Table 36. Environmental tests
Test
Type test value Reference standard
Cold test
operation
storage
16 h at -25°C
16 h at -40°C
IEC 60068-2-1
Dry heat test
operation
storage
16 h at +70°C
16 h at +85°C
IEC 60068-2-2
Damp heat test
steady state
cyclic
240 h at +40ºC
humidity 93%
6 cycles at +25 to +55ºC
humidity 93-95%
IEC 60068-2-78
IEC 60068-2-30
Generator protection REG670
1MRK 502 074-BEN M
Version 2.2
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