Siemens SIPROTEC 7UM62 User Manual

Technical Data
4.38 Operating Range of the Protection Functions
SIPROTEC, 7UM62, Manual
C53000-G1176-C149-7, Release date 03.2010
523
4.38 Operating Range of the Protection Functions
Table 4-1 Operating ranges of the protection functions
Operational state
0
Operational state 1 Operational state
0
Protective Elements f ≤ 10 Hz 11 Hz < f/Hz ≤ 40 40 Hz ≤ f/Hz ≤ 69 f ≥ 70 Hz
Definite-Time Overcurrent Protection
(I>/I>>)
active active active active
Inverse-Time Overcurrent Protection
(ANSI 51V)
inactive active active inactive
Thermal Overload Protection (ANSI 49) inactive
1)
active active inactive
1)
Unbalanced Load (Negative Sequence)
Protection (ANSI 46)
inactive
1)
active active inactive
1)
Startup Overcurrent Protection (ANSI 51) active inactive inactive active
Differential Protection
(ANSI 87G/87M/87T)
active active active active
Earth Current Differential Protection
(ANSI 87GN,TN)
inactive active active inactive
Underexcitation (Loss-of-Field) Protection
(ANSI 40)
inactive active active inactive
Reverse Power Protection (ANSI 32R) inactive active active inactive
Forward Active Power Supervision
(ANSI 32F)
inactive active active inactive
Impedance Protection (ANSI 21) inactive active active inactive
Out-of-Step Protection (ANSI 78) inactive active active inactive
Undervoltage Protection (ANSI 27) inactive
2)
active active inactive
2)
Overvoltage Protection (ANSI 59) active active active active
Frequency increase protection inactive active active inactive
3)
Underfrequency protection inactive active active inactive
Overexcitation (Volt/Hertz) Protection
(ANSI 24)
inactive
1)
active active inactive
1)
Inverse-Time Undervoltage Protection
(ANSI 27)
inactive
2)
active active inactive
2)
Rate-of-Frequency-Change Protection
df/dt (ANSI 81R)
inactive active
4)
active inactive
Jump of Voltage Vector inactive active
5)
active
5)
inactive
90-%-Stator Earth Fault Protection
(ANSI 59N, 64G, 67G)
active active active active
Sensitive Earth Fault Protection
(ANSI 51GN, 64R)
inactive active active inactive
100-%-Stator Earth Fault Protection with
3rd Harmonics (ANSI 27/59TN 3rd Harm.)
inactive active active inactive
100-%-Stator Earth Fault Protection with
20 Hz Voltage Injection
(ANSI 64G - 100%)
active active active active
Rotor Earth Fault Protection R, fn
(ANSI 64R)
active active active active
Sensitive Rotor Earth Fault Protection with
1 to 3 Hz Square Wave Voltage Injection
(ANSI 64R - 1 to 3 Hz)
active active active active

Siemens SIPROTEC 7UM62 Specifications

General

Brand	Siemens
Model	SIPROTEC 7UM62
Category	Protection Device
Language	English