Phase Selection, Quadrilateral Characteristic With Fixed Angle - ABB RET670 Product Manual
Hide thumbs
Also See for RET670:
- Applications manual (1016 pages) ,
- Commissioning manual (328 pages) ,
- Installation and commissioning manual (240 pages)
Table of Contents
Advertisement
Transformer protection RET670 2.0
Product version: 2.0
Table 28. Distance measuring zone, quadrilateral characteristic for series compensated lines ZMCPDIS, ZMCAPDIS
Function
Number of zones
Minimum operate residual
current, zone 1
Minimum operate current, Ph-Ph
and Ph-E
Positive sequence reactance
Positive sequence resistance
Zero sequence reactance
Zero sequence resistance
Fault resistance, Ph-E
Fault resistance, Ph-Ph
Dynamic overreach
Definite time delay Ph-Ph and Ph-
E operation
Operate time
Reset ratio
Reset time at 0.1 x Zreach to 2 x
Zreach
Table 29. Phase selection, quadrilateral characteristic with fixed angle FDPSPDIS
Function
Minimum operate current
Reactive reach, positive
sequence
Resistive reach, positive
sequence
Reactive reach, zero sequence
Resistive reach, zero sequence
Fault resistance, phase-to-earth
faults, forward and reverse
Fault resistance, phase-to-phase
faults, forward and reverse
Load encroachment criteria:
Load resistance, forward and
reverse
Safety load impedance angle
Reset ratio
ABB
Range or value
Max 5 with selectable direction
IBase
(5-1000)% of
IBase
(10-1000)% of
(0.10-3000.00) Ω/phase
(0.10-1000.00) Ω/phase
(0.01-9000.00) Ω/phase
(0.01-3000.00) Ω/phase
(0.10-9000.00) Ω/loop
(0.10-3000.00) Ω/loop
<5% at 85 degrees measured with
CCVT's and 0.5<SIR<30
(0.000-60.000) s
25 ms typically
105% typically
Min. = 20 ms
Max. = 50 ms
Range or value
(5-500)% of
IBase
(0.50–3000.00) Ω/phase
(0.10–1000.00) Ω/phase
(0.50–9000.00) Ω/phase
(0.50–3000.00) Ω/phase
(1.00–9000.00) Ω/loop
(0.50–3000.00) Ω/loop
(1.00–3000.00) Ω/phase
(5-70) degrees
105% typically
Accuracy
-
-
-
±2.0% static accuracy
±2.0 degrees static angular accuracy
Conditions:
Voltage range: (0.1-1.1) x U
r
Current range: (0.5-30) x I
r
Angle: at 0 degrees and 85 degrees
-
±0.2% or ± 35 ms whichever is greater
IEC 60255-121
-
-
Accuracy
± 1.0% of I
at I ≤ I
r
r
± 1.0% of I at I > I
r
± 2.5% static accuracy
± 2.0 degrees static angular accuracy
Conditions:
Voltage range: (0.1-1.1) x U
r
Current range: (0.5-30) x I
r
Angle: at 0 degrees and 85 degrees
-
1MRK 504 141-BEN C
57
Hide quick links:
Advertisement
Table of Contents
