ABB RELION REX640, Техническое руководство, Страница: 1941 / 1960

Description PSM1001 PSM1002 PSM1003
80...120 % of U
n
(38.4...300 V DC)
Start-up threshold 16 V DC (24 V DC ×
67%)
77 V DC (110 V DC × 70
%)
Burden of auxiliary
voltage supply under
quiescent (P
q
)/ oper-
ating condition
DC <18.0 W (nomi-
nal)/ <25.0 W (max.)
DC <20.0 W (nomi-
nal)/ <25.0 W (max.)
AC <20.0 W (nomi-
nal)/ <25.0 W (max.)
DC <17.0 W (nominal)/
<25.0 W (max.)
Ripple in the DC auxil-
iary voltage
Max 15 % of the DC value (at frequency of 100 Hz)
Fuse type T8A/250 V T4A/250 V
Permissible frequency
band
50/60Hz +-10%
Table 1666: Power supply for the LHMI
Description Value
Nominal auxiliary voltage U
n
100, 110, 120, 220, 240 V AC, 50 and 60 Hz
24, 48, 60, 110, 125, 220, 250 V DC
Auxiliary voltage variation 38...110 % of U
n
(38...264 V AC)
80...120 % of U
n
(19.2...300 V DC)
Start-up threshold 19.2 V DC (24 V DC × 80 %)
Burden of auxiliary voltage supply under qui-
escent (P
q
)/operating condition
DC <6.0 W (nominal)/<14.0 W (max.)
AC <7.0 W (nominal)/<12.0 W (max.)
Ripple in the DC auxiliary voltage Max 15 % of the DC value (at frequency of 100
Hz)
Fuse type T3.15A/250V
Table 1667: Energizing inputs
Description Value
Rated frequency 50/60 Hz
Current inputs Rated current, I
n
0.2/1 A 1/5 A
2
Thermal withstand
capability:
• Continuously
• For 1 s 4 A
100 A 20 A
500 A
Dynamic current
withstand:
• Half-wave value 250 A 1250 A
Input impedance <100 mΩ <20 mΩ
Table continues on the next page
2
Residual current and/or phase current.
1MRS759142 F Technical data
REX640
Technical Manual
1941