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Siprotec 5 7SS85
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Circuit-Breaker Supervision
Setting Values
Supervision time
1.00 s to 180.00 s
Increments of 0.01 s
11.14
Technical Data
11.14 Circuit-Breaker Supervision
SIPROTEC 5, Low-Impedance Busbar Protection, Manual
927
C53000-G5040-C019-C, Edition 04.2021
37
39
Table of Contents
Main Page
Technical Data
8
Supply Voltage
13
Binary Inputs
15
Relay Outputs
16
Design Data
20
Date and Time Synchronization
23
Busbar Differential Protection
24
Overcurrent Protection, Phases
39
Stage with Definite-Time Characteristic Curve
39
Stage with Inverse-Time Characteristic Curve
40
Overcurrent Protection, Ground
49
Directional Overcurrent Protection, Phases
59
Directional Overcurrent Protection, Ground
63
Voltage Protection
67
Overvoltage Protection with Positive-Sequence Voltage
69
Overvoltage Protection with Negative-Sequence Voltage
69
Overvoltage Protection with Zero-Sequence Voltage/Residual Voltage
70
Overvoltage Protection with any Voltage
72
Undervoltage Protection with 3-Phase Voltage
73
Undervoltage Protection with Positive-Sequence Voltage
74
Undervoltage Protection with any Voltage
76
Overfrequency Protection
78
Underfrequency Protection
79
Rate of Frequency Change Protection
79
Voltage-Jump Detection
81
Measuring-Voltage Failure Detection
82
Voltage-Transformer Circuit Breaker
84
Voltage-Balance Supervision
85
Voltage-Sum Supervision
86
Voltage Phase-Rotation Supervision
87
Impedance Protection
88
Arc Protection
89
Inrush-Current Detection
90
Trip-Circuit Supervision
94
Analog Channel Supervision Via Fast Current Sum
95
Operational Measured Values and Statistical Values
96
Analog-Units Function Group
98
Temperature Supervision
99
Protection Interface and Protection Topology
100
Phasor Measurement Unit
102
Measuring Transducers
103
Circuit-Breaker Wear Monitoring
104
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