Table Of Contents - Siemens Reyrolle 7SR45 Argus Device Manual

Table of Contents

Preface.......................................................................................................................................................... 3
Open Source Software..................................................................................................................................7
1 Introduction................................................................................................................................................11
1.1
1.2
2 Device Functionality................................................................................................................................... 17
2.1
2.1.1
2.1.2
2.1.3
2.1.4
2.1.5
2.1.6
2.2
2.3
2.4
2.5
2.6
2.7
2.8
3 Functions.................................................................................................................................................... 39
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
4 Technical Data............................................................................................................................................ 77
4.1
4.2
4.3
Reyrolle, 7SR45, Device Manual
C53000-G7040-C101-2, Edition 09.2020
7SR45 Overcurrent and Earth Fault Relay Overview............................................................12
Ordering Options.............................................................................................................. 14
Front Fascia...................................................................................................................... 18
Front Fascia ................................................................................................................ 18
Liquid Crystal Display................................................................................................... 19
Keypad........................................................................................................................ 20
Light Emitting Diode (LED)...........................................................................................21
Local Flag.................................................................................................................... 23
Relay Information........................................................................................................ 24
Binary Inputs ....................................................................................................................26
Binary Outputs ................................................................................................................. 28
Pulse Output .................................................................................................................... 31
Remote Flag Output ......................................................................................................... 32
Reset LED, Trip Flag Indication, and Binary Outputs............................................................33
Data Storage..................................................................................................................... 36
Real Time Clock ................................................................................................................ 37
Functions Available in the 7SR45 Device............................................................................40
Instantaneous Overcurrent Protection (50) ....................................................................... 41
Time-Delayed Overcurrent Protection (51).........................................................................44
Instantaneous Derived Earth Fault Protection (50N) .......................................................... 50
Time-Delayed Derived Earth Fault Protection (51N) ...........................................................53
Instantaneous Measured Earth Fault Protection (50G) .......................................................58
Time-Delayed Measured Earth Fault Protection (51G) ....................................................... 61
Switch onto Fault Protection (50LC/SOTF) .........................................................................66
Thermal Overload Protection (49) .....................................................................................71
2nd Harmonic Block/Inrush Restraint (81HBL2).................................................................. 75
General Device Data..........................................................................................................78
Instantaneous Overcurrent Protection (50)........................................................................ 80
Time-Delayed Overcurrent Protection (51).........................................................................81
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