Siemens SIPROTEC 7SJ62 Instruction Manual

ix7SJ62 Instruction Manual
C53000-G1140-C121-1
6.12 Frequency Protection (81 O/U)........................................................................................ 6-120
6.12.1 Description of Frequency Protection ............................................................................... 6-120
6.12.2 Programming Settings..................................................................................................... 6-121
6.12.2.1 Settings for Frequency Protection ................................................................................... 6-122
6.12.2.2 Information List for Frequency Protection........................................................................ 6-123
6.13 Breaker Failure Protection (50BF)................................................................................... 6-124
6.13.1 Description of Breaker Failure Protection........................................................................ 6-124
6.13.2 Programming Settings..................................................................................................... 6-127
6.13.2.1 Settings for Breaker Failure Protection ........................................................................... 6-128
6.13.2.2 Information List for Breaker Failure Protection................................................................ 6-128
6.14 Automatic Reclosing System (79M) ................................................................................ 6-129
6.14.1 Description of Automatic Reclosing System.................................................................... 6-129
6.14.2 Programming Settings..................................................................................................... 6-135
6.14.2.1 Settings for Automatic Reclosing..................................................................................... 6-137
6.14.2.2 Information List for Automatic Reclosing......................................................................... 6-142
6.15 Fault Location.................................................................................................................. 6-143
6.15.1 Description of Fault Location........................................................................................... 6-143
6.15.2 Setting The Functional Parameters................................................................................. 6-145
6.15.2.1 Settings for Fault Locator ................................................................................................ 6-146
6.15.2.2 Information List for Fault Location ................................................................................... 6-146
6.16 Phase Rotation................................................................................................................ 6-147
6.16.1 Description of Phase Rotation......................................................................................... 6-147
6.16.2 Programming Settings..................................................................................................... 6-147
6.17 Monitoring Functions ....................................................................................................... 6-148
6.17.1 Description of Measured Values Monitoring.................................................................... 6-148
6.17.1.1 Hardware Monitoring ....................................................................................................... 6-148
6.17.1.2 Software Monitoring......................................................................................................... 6-149
6.17.1.3 Monitoring of External Current Transformer Circuits....................................................... 6-150
6.17.2 Programming Settings for Measured Values Monitoring................................................. 6-151
6.17.2.1 Settings for Measured Values Monitoring........................................................................ 6-152
6.17.2.2 Information ...................................................................................................................... 6-153
6.17.3 Description of Fuse-Failur-Monitor .................................................................................. 6-153
6.17.4 Programming Settings for Fuse-Failure-Monitor ............................................................. 6-154
6.17.4.1 Settings for Fuse-Failure-Monitor.................................................................................... 6-154
6.17.4.2 Information ...................................................................................................................... 6-154
6.17.5 Description of Trip Circuit Monitor (74TC)....................................................................... 6-154
6.17.6 Programming Settings for Trip Circuit Monitor ................................................................ 6-157
6.17.6.1 Setting for Trip Circuit Monitor......................................................................................... 6-159
6.17.6.2 Information ...................................................................................................................... 6-159
6.17.7 Malfunction Responses of the Monitoring Functions....................................................... 6-160
6.18 Protection Function Logic................................................................................................ 6-162
6.18.1 Pickup Logic for the Entire Device................................................................................... 6-162
6.18.1.1 Description ...................................................................................................................... 6-162
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Siemens SIPROTEC 7SJ62 Specifications

General

Brand	Siemens
Model	SIPROTEC 7SJ62
Category	Relays
Language	English