Recomendados
Recomendados
Más contenido relacionado
Similar a DistanceProtection using Tele-Communication Schemes.pdf
Similar a DistanceProtection using Tele-Communication Schemes.pdf (20)
Último
Último (20)
DistanceProtection using Tele-Communication Schemes.pdf
- 1. ABB © ABB Switzerland Ltd. - 1 RE.316_ TeleComm / 2003-10-01 / RW Technology and Solutions Protection and Substation Automation Topic: REL316*4 Distance Protection using Tele- Communication Schemes BASICS BASICS
- 2. ABB © ABB Switzerland Ltd. - 2 RE.316_TeleComm / 2003-10-01 / RW REL316*4 Distance Protection with Tele- Communication Objectives ‰ Problem Description ‰ Solution ‰ Basic Tripping Schemes ‰ PUTT - Permissive Underreaching Transferred Tripping ‰ POTT - Permissive Overreaching Transferred Tripping ‰ BLOCK OR - BLOCKing OverReaching ‰ DTT - Direct Transfer Trip
- 3. ABB © ABB Switzerland Ltd. - 3 RE.316_TeleComm / 2003-10-01 / RW REL316*4 Problem Description Starter Zone 2 Zone 3 Overreach zone Starter Zone 1 Zone 3 Zone 1 Overreach Zone Reverse Zone R Starter Zone 2 Faults near the ends of the line section will be cleared at zone 2 time, with additional time delay (this is often acceptable at the distribution level, if fast reclosure is not required)
- 4. ABB © ABB Switzerland Ltd. - 4 RE.316_TeleComm / 2003-10-01 / RW REL316*4 Solution Tele- Communication Schemes allow • High speed tripping for all kind of faults occurring on 100% of the protected line • Strict selectivity between two stations 108 .. 109 VA (1 GVA) 10 -8 Watt (- 50dBm) Station A Station B
- 5. ABB © ABB Switzerland Ltd. - 5 RE.316_TeleComm / 2003-10-01 / RW REL316*4 Basic Tripping Schemes PUTT: Permissive Underreaching Transferred Tripping POTT: Permissive Overreaching Transferred Tripping BLOCK OR: BLOCKing OverReaching DTT: Direct Transfer Trip
- 6. ABB © ABB Switzerland Ltd. - 6 RE.316_TeleComm / 2003-10-01 / RW REL316*4 PUTT (basic) Starter Z underreaching Z underreaching Starter & TRIP Z- underreaching & TRIP Starter *) RX Starter *) T 2 & Starter & Z-underreaching Starter RX *) Alternatively: Starter + U-Wea T 2 ≥1 ≥1 Z- underreaching Z- underreaching
- 7. ABB © ABB Switzerland Ltd. - 7 RE.316_TeleComm / 2003-10-01 / RW REL316*4 PUTT (basic) & Z underreaching & TRIP Starter *) Z under- reaching Starter *) Z underreaching Z underreaching & Starter & TRIP Starter RX *) Alternatively: Starting + U-Weak Starter Starter T 2 T 2 Z- underreaching Z- underreaching RX ≥1 ≥1
- 8. ABB © ABB Switzerland Ltd. - 8 RE.316_TeleComm / 2003-10-01 / RW REL316*4 POTT (basic) Starter & TRIP Z overeaching RX Z overeaching & TRIP Z overeaching RX Z overeaching Z overreaching Z overreaching Starter
- 9. ABB © ABB Switzerland Ltd. - 9 RE.316_TeleComm / 2003-10-01 / RW REL316*4 POTT (basic) Starter & TRIP Z overeaching RX Z overeaching & TRIP Z overeaching RX Z overeaching Z overreaching Z overreaching Starter
- 10. ABB © ABB Switzerland Ltd. - 10 RE.316_TeleComm / 2003-10-01 / RW REL316*4 BLOCK OR (basic) Z1 Z reverse Z overreaching Z overreaching Z reverse Z1 Z2 Z3 Starter Z1, t1; Z2, t2; Z3, t3; Starter, tEnd Z1, t1; Z2, t2; Z3, t3; Starter, tEnd Z overeaching Z over- reaching & Z reverse & Z reverse TRIP Z overeaching RX & & 20 ms t wait (t1Block) TRIP TRIP t wait (t1Block) Z overeaching Loos of signal & Loos of signal & TRIP 20 ms RX
- 11. ABB © ABB Switzerland Ltd. - 11 RE.316_TeleComm / 2003-10-01 / RW REL316*4 BLOCK OR (basic) Z reverse Z overreaching Z1 Z overreaching Z reverse Z1 Z2 Z3 Starter Z1, t1; Z2, t2; Z3, t3; Starter, tEnd Z1, t1; Z2, t2; Z3, t3; Starter, tEnd Z overeaching Z over- reaching & Z reverse & Z reverse TRIP Z overeaching RX & & 20 ms t wait (t1Block) TRIP TRIP t wait (t1Block) Z overeaching Loos of signal & Loos of signal & TRIP 20 ms RX
- 12. ABB © ABB Switzerland Ltd. - 12 RE.316_TeleComm / 2003-10-01 / RW REL316*4 DTT (basic) TRIP TRIP RX Starter Z underreaching Z underreaching Starter & Starter & Z-underreaching Starter ≥1 ≥1 Z- underreaching RX