Siemens Argus 8 7SG11 Manual page 24

Contents
1 General .............................................................................................................................................................. 3
2 Characteristic Energizing Quantity ..................................................................................................................... 3
3 Auxiliary Energising Quantity ............................................................................................................................. 3
3.1 DC Power Supply...................................................................................................................................... 3
3.2 DC Status Inputs....................................................................................................................................... 3
4 Setting Ranges................................................................................................................................................... 4
5 Accuracy Reference Conditions ......................................................................................................................... 4
6 Accuracy ............................................................................................................................................................ 4
6.1 Overvoltage Element ................................................................................................................................ 4
6.2 Undervoltage Element .............................................................................................................................. 5
6.3 Neutral Voltage Element ........................................................................................................................... 5
6.4 NPS Overvoltage Element ........................................................................................................................ 5
6.5 Overfrequency Element ............................................................................................................................ 5
6.6 Underfrequency Element .......................................................................................................................... 6
6.7 DTL Timing Elements ............................................................................................................................... 6
7 Accuracy General............................................................................................................................................... 6
8 Accuracy Influencing Factors ............................................................................................................................. 6
9 Thermal Withstand ............................................................................................................................................. 6
10 Burdens.............................................................................................................................................................. 6
11 Output Contacts ................................................................................................................................................. 7
12 Environmental Withstand ................................................................................................................................... 7
12.1 General ...................................................................................................................................................... 7
12.2 Immunity .................................................................................................................................................... 7
12.3 Emissions .................................................................................................................................................. 8
12.4 Mechanical ................................................................................................................................................. 8
Table of Figures
Figure 1 - Typical O/V Operate Time Characteristic ............................................................................................9
Figure 2 - Typical U/V Operate Time Characteristic ............................................................................................9
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7SG11 Argus 8 Performance Specification
Chapter 2 Page 2 of 9