ABB RELION REM615, Product Manual

Page: 51 / 72

Supervision functions
Table 68. Current circuit supervision (CCRDIF)
Characteristic Value
Operate time
1) < 30 ms
1) Including the delay of the output contact.
Table 69. Current circuit supervision (CCRDIF) main settings
Parameter Values (Range) Unit Description
Start value 0.05...0.20 x I
n
Minimum operate
current differential
level
Maximum operate
current 1.00...5.00 x I
n
Block of the function
at high phase current
Table 70. Fuse failure supervision (SEQRFUF)
Characteristic Value
Operate time
1)
• NPS function U
Fault
= 1.1 x set Neg
Seq voltage Lev
< 33 ms
U
Fault
= 5.0 x set Neg
Seq voltage Lev
< 18 ms
• Delta function
Δ
U = 1.1 x set
Voltage change rate
< 30 ms
Δ
U = 2.0 x set
Voltage change rate
< 24 ms
1) Includes the delay of the signal output contact, f
n
= 50 Hz, fault voltage with nominal frequency injected from
random phase angle, results based on statistical distribution of 1000 measurements
Table 71. Motor run time counter (MDSOPT)
Description Value
Motor run-time measurement accuracy
1) ±0.5%
1) Of the reading, for a stand-alone IED, without time synchronization.
Motor Protection and Control 1MRS756890 D
REM615
Product version: 3.0
Issued: 2010-06-29
ABB 51