Condition And Supervision Functions; Circuit-Breaker Condition Monitoring (Sscbr); Current Circuit Supervision (Ccspvc); Fuse Failure Supervision (Seqspvc) - ABB REV615 Product Manual

Capacitor Bank Protection and Control
REV615
Product version: 5.0 FP1

Condition and supervision functions

Table 66. Circuit-breaker condition monitoring (SSCBR)
Characteristic
Current measuring accuracy
Operate time accuracy
Travelling time measurement
Table 67. Current circuit supervision (CCSPVC)
Characteristic
1)
Operate time
1) Including the delay of the output contact
Table 68. Current circuit supervision (CCSPVC) main settings
Parameter
Start value
Max operate current
Table 69. Fuse failure supervision (SEQSPVC)
Characteristic
Operate time 1)
1) Includes the delay of the signal output contact, f
measurements
Table 70. Runtime counter for machines and devices (MDSOPT)
Description
Motor runtime measurement accuracy
1) Of the reading, for a stand-alone relay, without time synchronization
42
Function
CCSPVC
CCSPVC
NPS function
Delta function
= 50 Hz, fault voltage with nominal frequency injected from random phase angle, results based on statistical distribution of 1000
n
1)
Value
±1.5% or ±0.002 × I
n
(at currents in the range of 0.1...10 × I
±5.0%
(at currents in the range of 10...40 × I
±1.0% of the set value or ±20 ms
+10 ms / -0 ms
Value
<30 ms
Value (Range)
0.05...0.20 × I
n
1.00...5.00 × I
n
Value
U = 1.1 × set Neg Seq voltage
Fault
Lev
U = 5.0 × set Neg Seq voltage
Fault
Lev
ΔU = 1.1 × set Voltage change rate <30 ms
Voltage change rate <24 ms
ΔU = 2.0 × set
Value
±0.5%
1MRS757952 D
)
n
)
n
Step
0.01
0.01
<33 ms
<18 ms
ABB