Hitachi Relion 670 Series Product Manual page 43

Phasor measurement unit RES670
Version 2.2
Energizing quantities, rated values and limits
Analog inputs
Table 8. TRM - Energizing quantities, rated values and limits for protection transformer
Description
Frequency
Rated frequency f
r
Operating range
Current inputs
Rated current I
r
Operating range
Thermal withstand
Dynamic withstand
Burden
*) max. 350 A for 1 s when COMBITEST test switch is included.
Voltage inputs **)
Rated voltage U
r
Operating range
Thermal withstand
Burden
**) all values for individual voltage inputs
Note! All current and voltage data are specified as RMS values at rated frequency
Hitachi Energy
M16988-1 v11
Value
50/60 Hz
f ± 10%
r
1 or 5 A
(0-100) x I
100 × I
30 × I
r
10 × I
r
4 × I continuously
r
250 × I
< 20 mVA at I
< 150 mVA at I
110 or 220 V
0 - 340 V
450 V for 10 s
420 V continuously
< 20 mVA at 110 V
< 80 mVA at 220 V
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r
for 1 s *)
r
for 10 s
for 1 min
one half wave
r
= 1 A
r
= 5 A
r
1MRK 511 410-BEN P
IP15842-1 v1
43