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Universal Relay Family. B30 Presentation Examples. Examples: RTDS Testing Environment. Used for:. Real Time Digital Simulator (RTDS). Final product validation Customer requested tests. PSCAD graphical user interface. Real Time Digital Simulator. Examples: RTDS Testing Environment.
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Universal Relay Family B30 Presentation Examples
Examples: RTDS Testing Environment Used for: Real Time Digital Simulator (RTDS) • Final product validation • Customer requested tests PSCAD graphical user interface Real Time Digital Simulator
Examples: RTDS Applications and Users RTDS Applications RTDS Users GEC Alsthom T&D (UK) Asea Brown Boveri (Sweden) Siemens (Germany) Hitachi Corp. (Japan) Toshiba Corp. (Japan) Furnas Centrais Electricas (Brazil) Ontario Hydro Technologies Inc (Canada) Chugoku Electric (Japan) Korea Electric Power Co. (S. Korea) Nanjing Automation Research Institute (China) Electric Power Research Institute (China) Manitoba Hydro (Canada) University of Manitoba (Canada) LG Systems (S. Korea) Nanyang Technical University (Singapore) Chanwang University (S. Korea) Kinkei Systems (Japan) Toshiba Engineering (Japan) University of Canterbury (New Zealand) • Conventional TNA type studies • AC System breaker sequences • Power swings due to disturbance • DC Transmission systems with various short circuit ratios • DC System controls studies • Relay test studies • AC & DC System interactions • SVS Applications and controls studies
Contents... Case 1: External SLG Fault Case 2: External SLG Fault Case 3: External LLG Fault Case 4: External 3P Fault Case 5: External 3P Fault Case 6: External SLG Fault Case 7: External LLG Fault Case 8: Internal SLG Fault Case 9: Internal SLG Fault next page
Contents... Case 10: Internal LLG Fault Case 11: Internal 3P Fault Case 12: Internal SLG Fault (weak infeed) Case 13: Internal SLG Fault (weak infeed) Case 14: Closing onto Internal SLG Fault Case 15: Closing onto Internal SLG Fault Case 16: Closing onto Internal 3P Fault Case 17: Closing onto External SLG Fault Case 18: Closing onto External... next page
Contents... Case 19: External SLG Fault (autorecl.) Case 20: External 3P Fault (autorecl.)
Examples: Case 1 (External Fault) • External AG fault on circuit #4 • Point on Wave = 0 deg • All six circuits connected • Circuit #4 CT saturates after about 2 ms • The B30 remains stable COMTRADE File: B30_case_01
Examples: Case 1 (External Fault) AG, pow=0o
Examples: Case 2 (External Fault) • External AG fault on circuit #4 • Point on Wave = 90 deg • All six circuits connected • Circuit #4 CT saturates after about 1.6 ms • The B30 remains stable COMTRADE File: B30_case_02
Examples: Case 2 (External Fault) AG, pow=90o
Examples: Case 3 (External Fault) • External ABG fault on circuit #4 • Point on Wave = 0 deg • All six circuits connected • Circuit #4 CT saturates after about 2.6 ms • The B30 remains stable COMTRADE File: B30_case_03
Examples: Case 3 (External Fault) ABG, pow=0o
Examples: Case 4 (External Fault) • External ABCG fault on circuit #4 • Point on Wave = 0 deg • All six circuits connected • Circuit #4 CT saturates after about 2.6 ms • The B30 remains stable COMTRADE File: B30_case_04
Examples: Case 4 (External Fault) ABCG, pow=0o
Examples: Case 5 (External Fault) • External ABCG fault on circuit #4 • Point on Wave = 90 deg • All six circuits connected • Circuit #4 CT saturates after about 2.3 ms • The B30 remains stable COMTRADE File: B30_case_05
Examples: Case 5 (External Fault) ABCG, pow=90o
Examples: Case 6 (External Fault) • External AG fault on circuit #1 • Point on Wave = 0 deg • All six circuits connected • Circuit #1 CT saturates after about 6 ms • The B30 remains stable COMTRADE File: B30_case_06
Examples: Case 6 (External Fault) AG, pow=0o
Examples: Case 7 (External Fault) • External ABG fault on circuit #1 • Point on Wave = 0 deg • All six circuits connected • Circuit #1 CT saturates after about 5.5 ms • The B30 remains stable COMTRADE File: B30_case_07
Examples: Case 7 (External Fault) ABG, pow=0o
Examples: Case 8 (Internal Fault) • Internal AG fault • Point on Wave = 0 deg • All six circuits connected • The B30 operates in 10.0 msec (fast form-C) COMTRADE File: B30_case_08
Examples: Case 8 (Internal Fault) AG, pow=0o
Examples: Case 8 (Internal Fault) Phase A operates in 10.0 msec
Examples: Case 9 (Internal Fault) • Internal AG fault • Point on Wave = 90 deg • All six circuits connected • The B30 operates in 10.7 msec (fast form-C) COMTRADE File: B30_case_09
Examples: Case 9 (Internal Fault) AG, pow=90o
Examples: Case 9 (Internal Fault) Phase A operates in 10.7 msec
Examples: Case 10 (Internal Fault) • Internal ABG fault • Point on Wave = 0 deg • All six circuits connected • The B30 operates in 9.3 msec (fast form-C) COMTRADE File: B30_case_10a,b
Examples: Case 10 (Internal Fault) ABG, pow=0o
Examples: Case 10 (Internal Fault) Phase A operates in 9.3 msec
Examples: Case 10 (Internal Fault) Phase B operates in 10.5 msec
Examples: Case 11 (Internal Fault) • Internal ABCG fault • Point on Wave = 0 deg • All six circuits connected • The B30 operates in 8.8 msec (fast form-C) COMTRADE File: B30_case_11a,b,c
Examples: Case 11 (Internal Fault) ABCG, pow=0o
Examples: Case 11 (Internal Fault) Phase A operates in 11.4 msec
Examples: Case 11 (Internal Fault) Phase B operates in 8.8 msec
Examples: Case 11 (Internal Fault) Phase C operates in 13.8 msec
Examples: Case 12 (Internal Fault - Weak Infeed) • Internal AG fault • Point on Wave = 0 deg • Circuits 3 (wye winding of the transformer: zero-sequence infeed), 4 (weak infeed) and 5 (load) connected • The B30 operates in 17.7 msec (fast form-C) COMTRADE File: B30_case_12
Examples: Case 12 (Internal Fault - Weak Infeed) Phase A operates in 17.7 msec
Examples: Case 13 (Internal Fault - Weak Infeed) • Internal AG fault • Point on Wave = 90 deg • Circuits 3 (wye winding of the transformer: zero-sequence infeed), 4 (weak infeed) and 5 (load) connected • The B30 operates in 13.5 msec (fast form-C) COMTRADE File: B30_case_13
Examples: Case 13 (Internal Fault - Weak Infeed) AG, pow=90o
Examples: Case 13 (Internal Fault - Weak Infeed) Phase A operates in 13.5 msec
Examples: Case 14 (Closing onto Internal Fault) • Internal AG fault pre-exists on the bus • The bus is energized from the circuit #1 • Closing onto the fault at the Point on Wave = 0 deg • The B30 operates in 7.6 msec (fast form-C) COMTRADE File: B30_case_14