Siemens 7SG164 Ohmega 400 Series Manual page 70

Contents
1 Introduction ........................................................................................................................................................ 3
2 Technical Specification....................................................................................................................................... 3
2.1 Rated Current .......................................................................................................................................... 3
2.2 Rated voltage ........................................................................................................................................... 3
2.3 Rated Frequency...................................................................................................................................... 3
2.4 Characteristic Angle ................................................................................................................................. 3
2.5 Zone impedance settings ......................................................................................................................... 3
2.6 Residual Compensation ........................................................................................................................... 3
2.7 Zone 4 Settings ........................................................................................................................................ 3
2.8 Voltage Memory ....................................................................................................................................... 4
2.9 Timers ...................................................................................................................................................... 4
2.9.1 Distance Function Zone Timers ........................................................................................ 4
2.9.2 Additional Timers ............................................................................................................... 4
2.10 Measuring Elements ................................................................................................................................ 4
2.11 Zone 1 and Zone 2 elements ................................................................................................................... 4
2.12 Zone 3 elements ...................................................................................................................................... 4
2.13 Zone 4 elements ...................................................................................................................................... 4
3 Additional Features ............................................................................................................................................ 4
3.1 High Set Overcurrent ............................................................................................................................... 4
3.2 Voltage Transformer Supervision (VTS) .................................................................................................. 4
3.3 Switch On To Fault................................................................................................................................... 5
3.4 Power Swing ............................................................................................................................................ 5
3.5 Fault Locator ............................................................................................................................................ 5
4 Indication............................................................................................................................................................ 5
5 Output contacts .................................................................................................................................................. 5
6 Status inputs ...................................................................................................................................................... 5
7 Optional Features............................................................................................................................................... 6
7.1 Directional Earth Fault Setting Range ...................................................................................................... 6
8 Performance Specification.................................................................................................................................. 6
8.1 Accuracy General..................................................................................................................................... 6
8.2 Accuracy Influencing Factors ................................................................................................................... 6
8.3 Distance Function Reach ......................................................................................................................... 7
8.4 Departure from Reference Angle ............................................................................................................. 7
8.5 Transient overreach ................................................................................................................................. 7
8.6 Departure from reference setting ............................................................................................................. 8
8.7 Departure from reference frequency ........................................................................................................ 8
8.8 Departure from reference temperature..................................................................................................... 8
8.9 High Set Overcurrent Function................................................................................................................. 8
8.10 Forward and Reverse Directional Earth Fault Functions .......................................................................... 8
8.11 Power Swing (PS) Impedance Variation Setting Range........................................................................... 8
8.12 Timing ...................................................................................................................................................... 8
8.13 Fault locator ............................................................................................................................................. 8
8.14 THERMAL WITHSTAND.......................................................................................................................... 8
8.15 BURDENS ............................................................................................................................................... 9
9 OUTPUT CONTACT PERFORMANCE ............................................................................................................. 9
10 AUXILIARY ENERGIZING QUANTITY .............................................................................................................. 9
11 ENVIRONMENTAL WITHSTAND .................................................................................................................... 10
©2011 Siemens Protection Devices Limited
7SG164 Ohmega 400 Series Performance Specification
Chapter 5 Page 2 of 13