Siemens 7SR158 Argus Technical Manual Download Page 61

Page: 61 / 212

Chapter 3) 7SR158 Performance Specification

Chapter 3 Page 3 of 24

Contents

Section 1: Common Functions ............................................................................................................................ 5

1.1

General ............................................................................................................................................. 5

1.1.1

CE Conformity...................................................................................................................... 5

1.1.2

Reference ............................................................................................................................ 5

1.1.3

Dimensions .......................................................................................................................... 5

1.1.4

Weights ............................................................................................................................... 5

1.2

Energising Quantities ......................................................................................................................... 6

1.2.1

Auxiliary Power Supply ......................................................................................................... 6

1.2.2

AC Analogue Voltage ........................................................................................................... 7

1.2.3

Binary (Digital) Outputs ........................................................................................................ 8

1.2.4

Binary (Digital) Inputs ........................................................................................................... 8

1.3

Functional performance ................................................................................................................... 10

1.3.1

Instrumentation .................................................................................................................. 10

1.3.2

Data Communication .......................................................................................................... 10

1.3.3

Real Time Clock ................................................................................................................. 10

1.4

Environmental Performance ............................................................................................................. 11

1.4.1

General .............................................................................................................................. 11

1.4.2

Emissions .......................................................................................................................... 12

1.4.3

Immunity ............................................................................................................................ 13

1.4.4

Mechanical ........................................................................................................................ 15

Section 2: Protection Functions ........................................................................................................................ 16

2.1

27/59 Under/Over Voltage................................................................................................................ 16

2.1.1

Reference .......................................................................................................................... 16

2.1.2

Operate and Reset Level .................................................................................................... 16

2.1.3

Operate and Reset Time .................................................................................................... 16

2.2

47 Negative Phase Sequence Voltage.............................................................................................. 17

2.2.1

Reference .......................................................................................................................... 17

2.2.2

Operate and Reset Level .................................................................................................... 17

2.2.3

Operate and Reset Time .................................................................................................... 17

2.3

59N Neutral Voltage Displacement ................................................................................................... 18

2.3.1

Reference (59NDT) ............................................................................................................ 18

2.3.2

Operate and Reset Level (59NDT) ...................................................................................... 18

2.3.3

Operate and Reset Time (59NDT) ...................................................................................... 18

2.3.4

Reference (59NIT).............................................................................................................. 18

2.3.5

Operate and Reset Level (59NIT) ....................................................................................... 19

2.3.6

Operate and Reset Time (59NIT) ........................................................................................ 19

2.4

78 Vector Shift ................................................................................................................................. 20

2.4.1

Reference .......................................................................................................................... 20

2.4.2

Operate Level .................................................................................................................... 20

2.4.3

Operate Time ..................................................................................................................... 20

2.5

81 Under/Over Frequency ................................................................................................................ 21

2.5.1

Reference .......................................................................................................................... 21

2.5.2

Operate and Reset Level .................................................................................................... 21

2.5.3

Operate and Reset Time .................................................................................................... 21

2.6

81R Rate-of-Change-of-Frequency (df/dt) ......................................................................................... 22

2.6.1

Reference .......................................................................................................................... 22

2.6.2

Operate Level .................................................................................................................... 22

2.6.3

Operate and Reset Time .................................................................................................... 22

Section 3: Supervision Functions ...................................................................................................................... 23

3.1

74TCS & 74CCS Trip & Close Circuit Supervision ............................................................................ 23

3.1.1

Reference .......................................................................................................................... 23

3.1.2

Operate and Reset Time .................................................................................................... 23

List of Figures

Figure 1.2-1

Binary Input Configurations Providing Compliance with EATS 48-4 Classes
ESI 1 and ESI 2 ............................................................................................................... 9