Siemens SIPROTEC 7UM62, Manual

Page: 11 / 602

Table of Contents
ix
7UM62 Manual
C53000-G1176-C149-3
2.31.2.2 Information for the Sensitive Earth Fault Protection ........................................................... 212
2.32 Motor Starting Time Supervision (ANSI 48) ....................................................................... 213
2.32.1 Functional Description ........................................................................................................ 213
2.32.2 Setting Hints ....................................................................................................................... 215
2.32.2.1 Settings of the Motor Starting Time Supervision ................................................................ 216
2.32.2.2 Information for the Motor Starting Time Supervision .......................................................... 216
2.33 Restart Inhibit for Motors (ANSI 66, 49Rotor)..................................................................... 217
2.33.1 Functional Description ........................................................................................................ 217
2.33.2 Setting Hints ....................................................................................................................... 220
2.33.2.1 Settings of the Restart Inhibit for Motors ............................................................................ 223
2.33.2.2 Information for the Motor Restart Inhibit ............................................................................. 224
2.34 Breaker Failure Protection (ANSI 50BF) ............................................................................ 225
2.34.1 Functional Description ........................................................................................................ 225
2.34.2 Setting Hints ....................................................................................................................... 227
2.34.2.1 Settings for Breaker Failure Protection............................................................................... 228
2.34.2.2 Information for the Breaker Failure Protection.................................................................... 229
2.35 Inadvertent Energization (ANSI 50, 27).............................................................................. 230
2.35.1 Functional Description ........................................................................................................ 230
2.35.2 Setting Hints ....................................................................................................................... 231
2.35.2.1 Settings of the Inadvertent Energizing Protection .............................................................. 232
2.35.2.2 Information for the Inadvertent Energizing Function........................................................... 232
2.36 DC Voltage/DC Current Protection (ANSI 59NDC/51NDC) ............................................... 234
2.36.1 Functional Description ........................................................................................................ 234
2.36.2 Setting Hints ....................................................................................................................... 236
2.36.2.1 Settings of the DC Voltage Protection ................................................................................ 238
2.36.2.2 Information from the DC Voltage Protection....................................................................... 238
2.37 Analog Outputs................................................................................................................... 239
2.37.1 Functional Description ........................................................................................................ 239
2.37.2 Setting Hints ....................................................................................................................... 239
2.37.3 Settings of the Analog Outputs........................................................................................... 240
2.38 Measured Value Monitoring Functions ............................................................................... 241
2.38.1 Functional Description ........................................................................................................ 241
2.38.1.1 Hardware Monitoring .......................................................................................................... 241
2.38.1.2 Software Monitoring............................................................................................................ 243
2.38.1.3 Monitoring of External Current Transformer Circuits .......................................................... 243
2.38.1.4 Fuse Failure Monitoring...................................................................................................... 245
2.38.1.5 Malfunction Responses of the Monitoring Functions.......................................................... 247
2.38.2 Setting Hints ....................................................................................................................... 249
2.38.2.1 Settings .............................................................................................................................. 250
2.38.2.2 Information of the Monitoring Functions ............................................................................. 251
2.38.2.3 Sum Events of the Monitoring Functions............................................................................ 252
2.39 Trip Circuit Supervision ...................................................................................................... 254
2.39.1 Functional Description ........................................................................................................ 254
2.39.2 Setting Hints ....................................................................................................................... 258
2.39.2.1 Settings for the Trip Circuit Supervision ............................................................................. 260