ABB RELION 630 Series Product Manual page 49

Generator Protection and Control
REG630
Product version: 1.3
Supervision and monitoring functions
Table 98. Runtime counter for machines and devices (MDSOPT)
Characteristic
Motor run-time measurement accuracy
1) Of the reading, for a stand-alone protection relay without time synchronization
Table 99. Runtime counter for machines and devices (MDSOPT) main settings
Parameter
Warning value
Alarm value
Initial value
Operating time hour
Operating time mode
Table 100. Circuit breaker condition monitoring (SSCBR)
Characteristic
Current measuring accuracy
Operate time accuracy
Traveling time measurement
Table 101. Fuse failure supervision (SEQRFUF)
Characteristic
Operation accuracy
1)
Operate time
1) Includes the delay of the signal output contact, f
Table 102. Current circuit supervision (CCRDIF)
Characteristic
1)
Operate time
1) Including the delay of the output contact
ABB
1)
Function
MDSOPT
MDSOPT
MDSOPT
MDSOPT
MDSOPT
• NPS function
• Delta function
= 50 Hz, fault voltage with nominal frequency injected from random phase angle
n
Value
±0.5%
Value (Range)
0...299999 h
0...299999 h
0...299999 h
0...23 h
Immediate
Timed Warn
Timed Warn Alm
Value
At the frequency f = f
n
±1.5% or ±0.002 × I (at currents in the range of 0.1...10 × I
n
±5.0% (at currents in the range of 10...40 × I
±1.0% of the set value or ±20 ms
±10 ms
Value
At the frequency f = f
n
Current: ±1.5% of the set value or ±0.002 × I
Voltage: ±1.5% of the set value or ±0.002 × U
Neg Seq voltage
U = 1.1 × set
Fault
Lev
Neg Seq voltage
U = 5.0 × set
Fault
Lev
ΔU = 1.1 × set Voltage change rate
Voltage change rate
ΔU = 2.0 × set
Value
<30 ms
1MRS757583 C
Step
1
1
1
1
-
)
n
)
n
n
n
Typically 35 ms (±15 ms)
Typically 25 ms (±15 ms)
Typically 35 ms (±15 ms)
Typically 28 ms (±15 ms)
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