ABB REM630 - Page 51

Table 84. Fuse failure supervision (SEQRFUF)
Characteristic Value
Operation accuracy At the frequency f = f
n
Current: ±1.5% of the set value or ±0.002 × I
n
Voltage: ±1.5% of the set value or ±0.002 × U
n
Operate time
1)
• NPS function
U
Fault
= 1.1 x set Neg
Seq voltage Lev
U
Fault
= 5.0 x set Neg
Seq voltage Lev
Typical 35 ms (±15
ms)
Typical 25 ms (±15
ms)
• Delta function
ΔU = 1.1 x set
Voltage change rate
ΔU = 2.0 x set
Voltage change rate
Typical 35 ms (±15
ms)
Typical 28 ms (±15
ms)
1) Includes the delay of the signal output contact, f
n
= 50 Hz, fault voltage with nominal frequency injected from
random phase angle
Table 85. Current circuit supervision (CCRDIF)
Characteristic
Value
Operate time
1)
< 30 ms
1) Including the delay of the output contact.
Table 86. Trip circuit supervision (TCSSCBR)
Characteristic
Value
Time accuracy ±1.0% of the set value or ±40 ms
Table 87. Current circuit supervision (CCRDIF) main settings
Parameter
Function Values (Range) Step
Start value CCRDIF 0.05...2.00 pu 0.01
Maximum operate
current
CCRDIF 0.05...5.00 pu 0.01
Table 88. Station battery supervision (SPVNZBAT)
Characteristic
Value
Operation accuracy ±1.0% of the set value
Operate time accuracy ±1.0% of the set value or ±40 ms
Motor Protection and Control 1MRS756977 D
REM630
Product version: 1.1 Issued: 2011-05-18
ABB 51