3
BUSBAR PROTECTION FUNCTIONS
3.1
BUSBAR CIRCUITRY FAULT PROTECTION
Accuracy
Pick-up (IDMT)
S/-5%, or 20 mA, whichever is greater
Pick-up (DT)
S/-5%, or 20 mA, whichever is greater
Drop-off (IDMT and DT)
> 0.95 x s/-5% or 20 mA, whichever is greater
Busbar trip with high speed contact
For 50 Hz: 8 ms (min), 12 ms (typical) at 3.5 × tripping
threshold
For 60 Hz: 6 ms (min), 10 ms (typical) at 4.5 × tripping
threshold
Busbar trip with standard contact
For 50 Hz: 13 ms (min), 17 ms (typical) at 3.5 × tripping
threshold
For 60 Hz: 11 ms (min) ,15 ms (typical) at 4.5 × tripping
threshold
3.2
BUSBAR CIRCUITRY FAULT PROTECTION
Accuracy
Pick-up (IDMT)
S/-5%, or 20 mA, whichever is greater
Pick-up (DT)
S/-5%, or 20 mA, whichever is greater
Drop-off (IDMT and DT)
> 0.95 x s/-5% or 20 mA, whichever is greater
DT operation
S/-5% or 50 ms, whichever is greater
3.3
BUSBAR DEAD ZONE PROTECTION
Accuracy
Pick-up (IDMT)
S/-5%, or 20 mA, whichever is greater
Pick-up (DT)
S/-5%, or 20 mA, whichever is greater
Drop-off (IDMT and DT)
> 0.95 x s/-5% or 20 mA, whichever is greater
Min. trip level
1.05 × S/-5% or 20 mA, whichever is greater
DT operation
S/-5% or 50 ms, whichever is greater
3.4
THREE-PHASE OVERCURRENT PROTECTION
IDMT pick-up
1.05 × S/-5%
DT pick-up
S/-5%
Drop-off (IDMT and DT)
0.95 x s/-5%
IDMT operate
+/-5% or 40 ms, whichever is greater
DT operate
+/-2% or 50 ms, whichever is greater
DT reset
S/-5%
Overshoot of overcurrent elements
<30 ms
Chapter 16 - Technical Specifications
MiCOM P747
390
P747-TM-EN-1
P747-TM-EN-1.1
Summary of Contents for MiCOM P747 Agile
Page 2: ......
Page 16: ...Contents MiCOM P747 xiv P747 TM EN 1 P747 TM EN 1 1...
Page 20: ...Table of Figures MiCOM P747 xviii P747 TM EN 1 P747 TM EN 1 1...
Page 21: ...INTRODUCTION CHAPTER 1...
Page 22: ...Chapter 1 Introduction MiCOM P747 2 P747 TM EN 1 P747 TM EN 1 1...
Page 31: ...SAFETY INFORMATION CHAPTER 2...
Page 32: ...Chapter 2 Safety Information MiCOM P747 12 P747 TM EN 1 P747 TM EN 1 1...
Page 42: ...Chapter 2 Safety Information MiCOM P747 22 P747 TM EN 1 P747 TM EN 1 1...
Page 43: ...HARDWARE DESIGN CHAPTER 3...
Page 44: ...Chapter 3 Hardware Design MiCOM P747 24 P747 TM EN 1 P747 TM EN 1 1...
Page 74: ...Chapter 3 Hardware Design MiCOM P747 54 P747 TM EN 1 P747 TM EN 1 1...
Page 75: ...CONFIGURATION CHAPTER 4...
Page 76: ...Chapter 4 Configuration MiCOM P747 56 P747 TM EN 1 P747 TM EN 1 1...
Page 117: ...PROTECTION FUNCTIONS CHAPTER 5...
Page 118: ...Chapter 5 Protection Functions MiCOM P747 98 P747 TM EN 1 P747 TM EN 1 1...
Page 160: ...Chapter 5 Protection Functions MiCOM P747 140 P747 TM EN 1 P747 TM EN 1 1...
Page 161: ...MONITORING AND CONTROL CHAPTER 6...
Page 162: ...Chapter 6 Monitoring and Control MiCOM P747 142 P747 TM EN 1 P747 TM EN 1 1...
Page 211: ...SCADA COMMUNICATIONS CHAPTER 7...
Page 212: ...Chapter 7 SCADA Communications MiCOM P747 192 P747 TM EN 1 P747 TM EN 1 1...
Page 259: ...REDUNDANT ETHERNET CHAPTER 8...
Page 260: ...Chapter 8 Redundant Ethernet MiCOM P747 240 P747 TM EN 1 P747 TM EN 1 1...
Page 293: ...CYBER SECURITY CHAPTER 9...
Page 294: ...Chapter 9 Cyber Security MiCOM P747 274 P747 TM EN 1 P747 TM EN 1 1...
Page 313: ...SETTINGS APPLICATION SOFTWARE CHAPTER 10...
Page 314: ...Chapter 10 Settings Application Software MiCOM P747 294 P747 TM EN 1 P747 TM EN 1 1...
Page 322: ...Chapter 10 Settings Application Software MiCOM P747 302 P747 TM EN 1 P747 TM EN 1 1...
Page 323: ...BUSBAR COMMISSIONING TOOL CHAPTER 11...
Page 324: ...Chapter 11 Busbar Commissioning Tool MiCOM P747 304 P747 TM EN 1 P747 TM EN 1 1...
Page 330: ...Chapter 11 Busbar Commissioning Tool MiCOM P747 310 P747 TM EN 1 P747 TM EN 1 1...
Page 331: ...SCHEME LOGIC CHAPTER 12...
Page 332: ...Chapter 12 Scheme Logic MiCOM P747 312 P747 TM EN 1 P747 TM EN 1 1...
Page 348: ...Chapter 12 Scheme Logic MiCOM P747 328 P747 TM EN 1 P747 TM EN 1 1...
Page 349: ...INSTALLATION CHAPTER 13...
Page 350: ...Chapter 13 Installation MiCOM P747 330 P747 TM EN 1 P747 TM EN 1 1...
Page 361: ...COMMISSIONING INSTRUCTIONS CHAPTER 14...
Page 362: ...Chapter 14 Commissioning Instructions MiCOM P747 342 P747 TM EN 1 P747 TM EN 1 1...
Page 387: ...MAINTENANCE AND TROUBLESHOOTING CHAPTER 15...
Page 388: ...Chapter 15 Maintenance and Troubleshooting MiCOM P747 368 P747 TM EN 1 P747 TM EN 1 1...
Page 403: ...TECHNICAL SPECIFICATIONS CHAPTER 16...
Page 404: ...Chapter 16 Technical Specifications MiCOM P747 384 P747 TM EN 1 P747 TM EN 1 1...
Page 425: ...SYMBOLS AND GLOSSARY APPENDIX A...
Page 426: ...Appendix A Symbols and Glossary MiCOM P747 406 P747 TM EN 1 P747 TM EN 1 1...
Page 443: ...COMMISSIONING RECORD APPENDIX B...
Page 444: ...Appendix B Commissioning Record MiCOM P747 424 P747 TM EN 1 P747 TM EN 1 1...
Page 449: ...WIRING DIAGRAMS APPENDIX C...
Page 450: ...Appendix C Wiring Diagrams MiCOM P747 430 P747 TM EN 1 P747 TM EN 1 1...
Page 456: ...Appendix C Wiring Diagrams MiCOM P747 436 P747 TM EN 1 P747 TM EN 1 1...
Page 457: ......