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Contents
Section 1: Introduction ..........................................................................................................................3
1.1 Introduction ...............................................................................................................................3
Section 2: Element Definitions..............................................................................................................4
2.1 Auto-reclose control ..................................................................................................................4
2.1.1
Protection Trip ..............................................................................................................4
2.1.2
Protection Starter .........................................................................................................4
2.1.3
External A/R Start ........................................................................................................4
2.1.4
Manual Close ...............................................................................................................4
2.1.5
In/Out Switching ...........................................................................................................5
2.1.6
Overall Control .............................................................................................................5
2.1.7
CB Close Command pulse...........................................................................................5
2.1.8
CB Failed To Open and CB Failed to Close ................................................................5
2.1.9
CB Closed by Another Device......................................................................................5
2.1.10 Indications ....................................................................................................................5
2.1.11 Trip and Reclose ..........................................................................................................5
2.1.12 Metering .......................................................................................................................6
2.1.13 Dead-time and Reclaim Timing....................................................................................6
2.1.14 Lockout.........................................................................................................................6
List of Figures
Figure 1-1
Key to Functional Block Diagrams.......................................................................................3
©2010 Siemens Protection Devices Ltd.
7SG13 Delta P20064 FM1 Autoreclosing
P20064 Page 2 of 7
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