Table 14. TRM - Energizing quantities, rated values and limits for measuring transformer
Description
Value
Frequency
Rated frequency f
r
50/60 Hz
Operating range
f
r
± 10%
Current inputs
Rated current I
r
1A
5 A
Operating range
(0-1.8) × I
r
(0-1.6) × I
r
Thermal withstand
80 × I
r
for 1 s
25 × I
r
for 10 s
10 × I
r
for 1 min
1.8 × I
r
for 30 min
1.1 × I
r
continuously
65 × I
r
for 1 s
20 × I
r
for 10 s
8 × I
r
for 1 min
1.6 × I
r
for 30 min
1.1 × I
r
continuously
Burden
< 200 mVA at I
r
< 350 mVA at I
r
Voltage inputs *)
Rated voltage U
r
110 or 220 V
Operating range
0 - 340 V
Thermal withstand
450 V for 10 s
420 V continuously
Burden
< 20 mVA at 110 V
< 80 mVA at 220 V
*) all values for individual voltage inputs
Note! All current and voltage data are specified as RMS values at rated frequency
M6389-1 v5
Table 15. MIM - mA input module
Quantity:
Rated value:
Nominal range:
Input resistance
R
in
= 194 Ohm
-
Input range
±5, ±10, ±20 mA
0-5, 0-10, 0-20, 4-20 mA
-
Power consumption
each mA board
each mA input
£
2 W
£
0.1 W
-
Auxiliary DC voltage
IP15843-1 v3
M12286-1 v9
Table 16. PSM - Power supply module
Quantity
Rated value
Nominal range
Auxiliary DC voltage, EL (input)
EL = (24-60) V
EL = (90-250) V
EL
±
20%
EL
±
20%
Power consumption
50 W typically
-
Auxiliary DC power in-rush
< 10 A during 0.1 s
-
Supply interruption bridging time
< 50 ms
-
Line differential protection RED670
1MRK 505 379-BEN R
Version 2.2
Hitachi Energy
69
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Содержание Relion 670 Series
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