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KON-215-60-33.2-v.1.0-E RFD TEHNICAL DESCRIPTION.doc
ANSI-Extremely inverse
ANSI-Definite inverse
- Drop-out characteristic Drop-out Instant.
- Working area 1.10 Ip
- Release value
1.05 Ip (Ip/In ≥ 0,5)
- Pickup current accuracy
5% pickup value. ± 2%
current tolerance, 30 ms
- Time accuracy 2% pickup value or 0.01 In
Primary earthfault protection with definite time characteristic (ANSI No. 50N-A)
- Measurement input IEA
- Function activation Func. OFF
IE>
IE>, IE>>
IE>, IE>>, IE>>>
- First/second/third stage
- Pickup value IE>, IE>>, IE>>> 0.01
– 10.00 In
step: 0.01 In
- Pickup time characteristic
Definite time tE>, tE>>, tE>>> 0.00
– 300.00 s
step: 0.01 s
- Allowed dropdown time t-drop 0.00
– 60.00 s
step: 0.01 s
- Start time < 35 ms
- Release time < 35 ms
- Pickup/release ratio
0.95 (Ip/In ≥ 0,5)
- Time accuracy 2% pickup value or 10 ms
- Pickup current accuracy 2% pickup value or 0.01 In
Primary earthfault protection with inverse time characteristic (ANSI No. 51N-A)
- Measurement input IEA
- Function activation Func. OFF
ON
- Pickup value IE> 0.01
– 5.00 In
step: 0.01 In
- Pickup time characteristic
IEC-Normal inverse kE 0.05
– 1.00
step: 0.01
IEC-Very inverse
IEC-Extremely inverse
IEC-Long inverse
ANSI-Inverse TDE 0.50
– 15.00
step: 0.01
ANSI-Short inverse
ANSI-Long inverse
ANSI-Moderately inverse
ANSI-Very inverse
ANSI-Extremely inverse
ANSI-Definite inverse
- Drop-out characteristic Drop-out instant.
- Working area 1.10 Ip
- Pickup/release ratio
1.05 (Ip/In ≥ 0,5)