Siemens Solkor 7PG2113 Technical Manual page 278

6.4.2 Close Circuit Supervision Connections ................................................................................... 48
6.5 Inrush Detector (81HBL2) ..................................................................................................................... 48
6.6 Broken Conductor / Load Imbalance (46BC) ........................................................................................ 48
6.7 Circuit-Breaker Maintenance................................................................................................................. 49
List of Figures
Figure 1.4-1 Installation with Existing Solkor R, Rf or R/Rf relay. ............................................................................ 6
Figure 1.4-2 Standard 5kV Solkor R/Rf with Guard. ................................................................................................ 6
Figure 1.4-3 Installation with existing 15kV Plain Solkor Rf with Guard. .................................................................. 6
Figure 1.4-4 5kV Solkor Rf with Pilot Supervision.................................................................................................... 7
Figure 1.4-5 15kV Solkor Rf with Pilot Supervision.................................................................................................. 7
Figure 1.5-1 Interconnection Wiring ........................................................................................................................ 8
Figure 2.1-1 Example Use of Alternative Settings Groups..................................................................................... 14
Figure 2.2-1 Example of Transformer Alarm and Trip Wiring................................................................................. 15
Figure 2.2-2 Binary Input Configurations Providing Compliance with EATS 48-4 Classes ESI 1 and
ESI 2................................................................................................................................................ 17
Figure 3.1-1 IEC NI Curve with Time Multiplier and Follower DTL Applied............................................................ 19
Figure 3.1-2 IEC NI Curve with Minimum Operate Time Setting Applied............................................................... 20
Figure 3.1-3 Reset Delay ....................................................................................................................................... 21
Figure 3.4-1 General Form of DTL Operate Characteristic .................................................................................... 23
Figure 3.5-1 Directional Characteristics ................................................................................................................. 24
Figure 3.5-2 Phase Fault Angles............................................................................................................................ 25
Figure 3.5-3 Application of Directional Overcurrent Protection .............................................................................. 25
Figure 3.5-4 Feeder Fault on Interconnected Network........................................................................................... 26
Figure 3.6-1 Earth Fault Angles ............................................................................................................................. 27
Figure 3.7-1 Balanced and Restricted Earth-fault protection of Transformers ....................................................... 28
Figure 3.7-2 Composite Overcurrent and Restricted Earth-fault Protection ........................................................... 29
Figure 3.10-1 Thermal Overload Heating and Cooling Characteristic.................................................................... 30
Figure 3.12-1 NVD Application............................................................................................................................... 32
Figure 3.12-2 NVD Protection Connections ........................................................................................................... 32
Figure 5.1-1 Sequence Co-ordination .................................................................................................................... 38
Figure 5.1-2 Example of Logic Application............................................................................................................. 40
Figure 5.2-1 Example Use of Quick Logic.............................................................................................................. 41
Figure 6.1-1 Circuit Breaker Fail ............................................................................................................................ 42
Figure 6.1-2 Single Stage Circuit Breaker Fail Timing ........................................................................................... 43
Figure 6.1-3 Two Stage Circuit Breaker Fail Timing .............................................................................................. 43
Figure 6.4-1 Trip Circuit Supervision Scheme 1 (H5)............................................................................................. 46
Figure 6.4-2 Trip Circuit Supervision Scheme 2 (H6)............................................................................................. 47
Figure 6.4-3 Trip Circuit Supervision Scheme 3 (H7)............................................................................................. 47
Figure 6.4-4 Close Circuit Supervision Scheme..................................................................................................... 48
List of Tables
Table 3-1 Application of IDMTL Characteristics .............................................................................................. 21
Table 6-1 Determination of VT Failure (1 or 2 Phases) ................................................................................... 44
Table 6-2 Determination of VT Failure (1 or 2 Phases) ................................................................................... 45
Table 6-3 Determination of VT Failure (3 Phases) .......................................................................................... 45
Table 6-4 Magnetic Inrush Bias ....................................................................................................................... 48
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7PG2113/4/5/6 Solkor Applications Guide
Chapter 7 Page 3 of 49