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Technical Data
7UM62 Manual
C53000-G1176-C149-3
This chapter provides the technical data of the SIPROTEC
individual functions of the device, including the limiting values that under no
circumstances may be exceeded. The electrical and functional data for devices
equipped with all options are followed by the mechanical data with dimensional
drawings.
4.1
General Device Data
4.2
Definite-Time Overcurrent Protection (ANSI 50, 67)
4.3
Inverse-Time Overcurrent Protection (ANSI 51, 67)
4.4
Thermal Overload Protection (ANSI 49)
4.5
Unbalanced Load (Negative Sequence) Protection (ANSI 46)
4.6
Startup Overcurrent Protection (ANSI 51)
4.7
Differential Protection for Generators and Motors (ANSI 87G/87M)
4.8
Differential Protection for Transformers (ANSI 87T)
4.9
Earth Current Differential Protection (ANSI 87GN/TN)
4.10
Underexcitation (Loss-of-Field) Protection (ANSI 40)
4.11
Reverse Power Protection (ANSI 32R)
4.12
Forward Power Supervision (ANSI 32F)
4.13
Impedance Protection (ANSI 21)
4.14
Out-of-Step Protection (ANSI 78)
4.15
Undervoltage Protection (ANSI 27)
4.16
Overvoltage Protection (ANSI 59)
4.17
Frequency Protection (ANSI 81)
4.18
Overexcitation (Volt/Hertz) Protection (ANSI 24)
4.19
Rate-of-Frequency-Change Protection (ANSI 81R)
4.20
Jump of Voltage Vector
4.21
90–%–Stator Earth Fault Protection (ANSI 59N, 64G, 67G)
4.22
Sensitive Earth Fault Protection (ANSI 51GN, 64R)
4.23
100–%–Stator Earth Fault Protection with 3rd Harmonics (ANSI 27/59TN
3rd Harm.)
4
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4 7UM62 device and the
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