1SDH002031A1002 ECN000092998 Rev. B
SACE Tmax XT2
– XT4 | 79
Voltage
Protections
Protection
[ANSI code]
Trip time t
t
Trip threshold
tolerance
(3)
Trip time tolerance
UV [27] /
UV2 [27]
t
t
= t8 (t15)
± 2 %
(4)
the better of: ± 10 % or ± 40 ms with t8 < 5 s
± 100 ms with t8
5 s
OV [59] /
OV2 [59]
t
t
= t9 (t16)
± 2 %
(4)
the better of: ± 10 % or ± 40 ms with t9 < 5 s
± 100 ms with t9
5 s
VU [47]
t
t
= t14
± 5 %
the better of: ± 10 % or ± 40 ms with t14 < 5 s
± 100 ms with t14
5 s
Advanced
Voltage
Protections
Protection
[ANSI code]
Trip time t
t
Trip threshold
tolerance
(3)
Trip time tolerance
S(V) [51V] /
S2(V) [51V]
t
t
= t20 (t21)
± 10 %
the better of: ± 10 % or ± 40 ms with t20 < 5 s
± 100 ms with t20
5 s
RV [59N]
t
t
= t22
± 10 %
the better of: ± 10 % or ± 40 ms with t22 < 5 s
± 100 ms with t22
5 s
Frequency
Protections
Protection
[ANSI code]
Trip time t
t
Trip threshold
tolerance
(3)
Trip time tolerance
UF [81L] /
UF2 [87L]
t
t
= t12 (t17)
± 1 %
(5)
The better of: ± 100 ms with t12
5 s
± 10 % (min = 30 ms) or ± 40 ms with t12 < 5
s
OF [81H] /
OF2 [87H]
t
t
= t13 (t18)
± 1 %
(5)
The better of: ± 10 % or ± 40 ms with t13 < 5 s
± 100 ms t13
5 s
Power
Protections
Protection
[ANSI code]
Trip time t
t
Trip threshold
tolerance
(3)
Trip time tolerance
UP [32LF]
t
t
= t23
± 10 %
the better of: ± 10 % or ± 40 ms with t23 < 5 s
± 100 ms with t23
5 s
OP [320F]
t
t
= t26
± 10 %
the better of: ± 10 % or ± 40 ms with t26 < 5 s
± 100 ms with t26
5 s
RQ [40 or
32R]
t
t
= t24
± 10 %
the better of: ± 10 % or ± 40 ms with t24 < 5 s
± 100 ms with t24
5 s
OQ [320F]
t
t
= t27
± 10 %
the better of: ± 10 % or ± 40 ms with t27 < 5 s
± 100 ms with t27
5 s
D [67]
t
t
= t7
± 7 % with If
6 In
± 10 % with If > 6 In
The better of: ± 10 % or ± 40 ms
RP [32R]
t
t
= t11
± 10 %
the better of: ± 10 % or ± 40 ms with t11 < 5 s
± 100 ms with t11
5 s
Startup
Protection
Trip time t
t
Trip threshold
tolerance
(3)
Trip time tolerance
D StartUp
t
t
= t7 startup
± 10 %
The better of: ± 10 % or ± 40 ms
ROCOF
Protections
Protection
[ANSI code]
Trip time t
t
Trip threshold
tolerance
(3)
Trip time tolerance
ROCOF [81R]
t
t
= t28
± 10 %
(6)
The better of: ± 20 % or 200 ms
Summary of Contents for SACE Tmax XT2
Page 84: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 84 L curve Ekip M Touch S curve t k I2 ...
Page 86: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 86 G curve t k I2 G curve t k ...
Page 87: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 87 IU curve UV curve UV2 curve ...
Page 88: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 88 OV curve OV2 curve VU curve ...
Page 89: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 89 S V curve S2 V curve RV curve ...
Page 90: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 90 UF curve UF2 curve OF curve OF2 curve ...
Page 91: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 91 RP curve D curve ...
Page 92: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 92 OQ curve OP curve ...
Page 93: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 93 UP curve RQ curve ...
Page 94: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 94 ROCOF curve R JAM curve R STALL ...
Page 95: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 95 UC curve ...
