ABB RELION RED670 Series Product Manual page 58

Line differential protection
Hide thumbs Also See for RELION RED670 Series:
Table of Contents

Advertisement

Line differential protection RED670 2.2
Product version: 2.2
Energizing quantities, rated values and limits
Analog inputs
Table 10. 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
58
M16988-1 v11
Value
50/60 Hz
f
± 10%
r
1 or 5 A
(0-100) x I
r
100 × I
for 1 s *)
r
30 × I
for 10 s
r
10 × I
for 1 min
r
4 × I
continuously
r
250 × I
one half wave
r
< 20 mVA at I
= 1 A
r
< 150 mVA at I
= 5 A
r
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
1MRK 505 379-BEN C
IP15842-1 v1
ABB

Advertisement

Table of Contents
loading

Table of Contents