ABB RELION 620 Series Technical Manual page 813

Hide thumbs Also See for RELION 620 Series:
Table of Contents

Advertisement

1MRS757644 F
5.1.9
5.1.10
5.2
5.2.1
5.2.2
620 series
Technical Manual
Technical data
Table 773:
INRPHAR Technical data
Characteristic
Operation accuracy
Reset time
Reset ratio
Operate time accuracy
Technical revision history
Table 774:
INRPHAR Technical revision history
Technical revision
B
C
Circuit breaker failure protection CCBRBRF
Identification
Function description
Circuit breaker failure protection
Function block
A070436 V4 EN
Figure 411:
Function block
Protection related functions
Value
At the frequency f = f
Current measurement:
±1.5% of the set value or ±0.002 × I
Ratio I2f/I1f measurement:
±5.0% of the set value
+35 ms / -0 ms
Typically 0.96
+35 ms / -0 ms
Change
Internal improvement
Internal improvement
IEC 61850
IEC 60617
identification
identification
CCBRBRF
3I>/Io>BF
Section 5
n
n
ANSI/IEEE C37.2
device number
51BF/51NBF
807

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents