ABB REF615 ANSI 5.0 FP1 Product Manual page 61

Feeder protection and control
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Table 102. Fuse failure supervision (SEQSPVC)
Characteristic
Operate time1)
1) Includes the delay of the signal output contact, f
measurements
Table 103. Runtime counter for machines and devices (MDSOPT)
Description
Motor runtime measurement accuracy
1) Of the reading, for a stand-alone relay, without time synchronization
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
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
ΔU = 2.0 × set Voltage change rate
Value
±0.5%
<33 ms
<18 ms
<33 ms
<24 ms
61

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