Siemens 7SA511 사용자 설명서
7SA511 Line Protection Relay
Acceptance Tests
July 27, 1995
3-1
Acceptance Tests
Table of Contents
3. Acceptance Tests ................................................................................................................ 3-3
3.1 Test Equipment ..................................................................................................... 3-4
3.2 Energizing the Relay.............................................................................................. 3-5
3.2 Energizing the Relay.............................................................................................. 3-5
3.2.1 Reading the Initial Display....................................................................... 3-5
3.2.2 Verifying the Language Setting ............................................................... 3-6
3.2.2 Verifying the Language Setting ............................................................... 3-6
3.3 Relay Settings for Acceptance Tests ...................................................................... 3-7
3.4 Power Supply Test ................................................................................................ 3-8
3.5 Metering Tests....................................................................................................... 3-10
3.6 Binary Input Test................................................................................................... 3-12
3.7 LED Test............................................................................................................... 3-13
3.8 Signal and Trip Relay Test..................................................................................... 3-15
3.9 Testing the Fault Detection Systems ...................................................................... 3-16
3.4 Power Supply Test ................................................................................................ 3-8
3.5 Metering Tests....................................................................................................... 3-10
3.6 Binary Input Test................................................................................................... 3-12
3.7 LED Test............................................................................................................... 3-13
3.8 Signal and Trip Relay Test..................................................................................... 3-15
3.9 Testing the Fault Detection Systems ...................................................................... 3-16
3.9.1 Overcurrent Fault Detection Test ............................................................ 3-16
3.9.2 Voltage-Controlled Overcurrent Fault Detection Test (Optional)............. 3-17
3.9.3 Impedance Fault Detection Test (optional) .............................................. 3-19
3.9.2 Voltage-Controlled Overcurrent Fault Detection Test (Optional)............. 3-17
3.9.3 Impedance Fault Detection Test (optional) .............................................. 3-19
3.10 Testing the Distance Zones .................................................................................. 3-21
3.10.1 Independent Zones Z1, Z2, and Z3 ........................................................ 3-23
3.10.2 Overreach Zones Z1B and Z1L ............................................................. 3-23
3.10.3 Coordination Times............................................................................... 3-24
3.10.2 Overreach Zones Z1B and Z1L ............................................................. 3-23
3.10.3 Coordination Times............................................................................... 3-24
3.11 Testing the Power Swing Blocking Function (Optional)....................................... 3-24
3.12 Signal Transmission Test ..................................................................................... 3-25
3.12 Signal Transmission Test ..................................................................................... 3-25
3.12.1 Permissive Underreach Transfer Trip (PUTT)........................................ 3-25
3.12.2 Permissive Overreach Transfer Trip (POTT) ......................................... 3-26
3.12.2 Permissive Overreach Transfer Trip (POTT) ......................................... 3-26
3.13 Emergency Overcurrent Protection Test .............................................................. 3-27
3.13.1 Initial Setup........................................................................................... 3-28
3.13.2 High-Set Overcurrent ............................................................................ 3-28
3.13.3 Definite Time Overcurrent Protection.................................................... 3-29
3.13.4 Overcurrent Test Procedure .................................................................. 3-29
3.13.2 High-Set Overcurrent ............................................................................ 3-28
3.13.3 Definite Time Overcurrent Protection.................................................... 3-29
3.13.4 Overcurrent Test Procedure .................................................................. 3-29
3.14 Isolated Ground Fault Detection Test (Optional).................................................. 3-30
3.15 High-Resistance Ground Fault Protection Tests (Optional) .................................. 3-30
3.15 High-Resistance Ground Fault Protection Tests (Optional) .................................. 3-30
3.15.1 Testing the Directional, Definite Time Ground Fault Protection............. 3-30
3.15.2 Testing the Nondirectional Inverse Time Ground Fault Protection......... 3-32
3.15.2 Testing the Nondirectional Inverse Time Ground Fault Protection......... 3-32
3.16 Testing the Automatic Reclose (AR) Function (Optional) .................................... 3-32
3.17 End of Acceptance Testing .................................................................................. 3-33
3.17 End of Acceptance Testing .................................................................................. 3-33
List of Figures
Figure 3-1. Voltage-Controlled Overcurrent Fault Detector Characteristic............................. 3-18
Figure 3-2. Polygonal Impedance Fault Detection Characteristic............................................ 3-20
Figure 3-3. Distance Zone Characteristics.............................................................................. 3-22
Figure 3-2. Polygonal Impedance Fault Detection Characteristic............................................ 3-20
Figure 3-3. Distance Zone Characteristics.............................................................................. 3-22