9.1.6
Technical data
Table 288:
SAPTUF (81) technical data
Function
Range or value
Accuracy
Operate value, pickup function
(35.00-75.00) Hz
± 2.0 mHz
Operate time, pickup function
100 ms typically
-
Reset time, pickup function
100 ms typically
-
Operate time, definite time function
(0.000-60.000)s
± 0.5% ± 10 ms
Reset time, definite time function
(0.000-60.000)s
± 0.5% ± 10 ms
Voltage dependent time delay
(
)
_
_
_
Ex
po
ne
nt
V
VM
in
t
t
M
ax
T
ri
pD
el
ay
t
M
in
T
ri
pD
el
ay
t
M
in
T
ri
pD
el
ay
VN
om
VM
in
-
=
×
-
+
-
é
ù
ê
ú
ë
û
EQUATION1559 V1 EN
(Equation 148)
V=V
measured
Settings:
VNom=(50-150)% of V
base
VMin=(50-150)% of V
base
Exponent=0.0-5.0
t_MaxTripDelay=(0.000-60.000
)s
t_MinTripDelay=(0.000-60.000)
s
5% + 200 ms
9.2
Overfrequency protection SAPTOF (81)
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Overfrequency protection
SAPTOF
f >
SYMBOL-O V1 EN
81
1MRK505222-UUS C
Section 9
Frequency protection
557
Technical reference manual
Summary of Contents for Relion 670 series
Page 1: ...Relion 670 series Line differential protection RED670 ANSI Technical reference manual...
Page 2: ......
Page 40: ...34...
Page 50: ...44...
Page 60: ...54...
Page 126: ...120...
Page 384: ...378...
Page 496: ...490...
Page 556: ...550...
Page 602: ...596...
Page 620: ...614...
Page 794: ...788...
Page 864: ...858...
Page 988: ...982...
Page 998: ...992...
Page 1084: ...1078...
Page 1164: ...1158...
Page 1168: ...1162...
Page 1220: ...1214...
Page 1230: ...1224...
Page 1231: ...1225...