Universal Relay Family Management The Universal Relay Examples: RTDS Testing Environment PSCAD...

B30 Presentation

Examples

Universal Relay FamilyUniversal Relay Family

Power Management The The Universal RelayUniversal Relay

Examples: Examples: RTDS Testing EnvironmentRTDS Testing Environment

Real Time Digital SimulatorPSCAD graphical user interface

Real Time Digital

Simulator

(RTDS)

Real Time DigitalReal Time Digital

SimulatorSimulator

(RTDS)(RTDS)

•Final product validation

•Customer requested tests

Used for:


Examples: Examples: RTDS Testing EnvironmentRTDS Testing Environment


Examples: Examples: RTDS Applications and UsersRTDS Applications and Users

RTDS ApplicationsRTDS Applications

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)

RTDS UsersRTDS Users

• 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...Contents...

Case 1: External SLG Fault


Case 3: External LLG Fault

Case 4: External 3P Fault

Case 5: External 3P Fault


Case 7: External LLG Fault

Case 8: Internal SLG Fault

Case 9: Internal SLG Fault � next page



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



Case 19: External SLG Fault (autorecl.)

Case 20: External 3P Fault (autorecl.)


Examples: Examples: Case 1 (External Fault)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



AG, pow=0o






• Circuit #4 CT saturates after about 1.6 ms





AG, pow=90o



• External ABG fault on circuit #4








ABG, pow=0o



• External ABCG fault on circuit #4








ABCG, pow=0o



• External ABCG fault on circuit #4








ABCG, pow=90o






• Circuit #1 CT saturates after about 6 ms





AG, pow=0o



• External ABG fault on circuit #1








ABG, pow=0o


Examples: Examples: Case 8 (Internal Fault)Case 8 (Internal Fault)

• Internal AG fault



• The B30 operates in 10.0 msec

(fast form-C)




AG, pow=0o



Phase A operates in

10.0 msec

Phase A operates in

10.0 msec







(fast form-C)




AG, pow=90o



Phase A operates in

10.7 msec

Phase A operates in

10.7 msec



• Internal ABG fault



• The B30 operates in 9.3 msec (fast form-C)

COMTRADE File: B30_case_10a,b



ABG, pow=0o



Phase A operates in

9.3 msec

Phase A operates in

9.3 msec



Phase B operates in

10.5 msec

Phase B operates in

10.5 msec



• Internal ABCG fault




COMTRADE File: B30_case_11a,b,c



ABCG, pow=0o



Phase A operates in

11.4 msec

Phase A operates in

11.4 msec



Phase B operates in

8.8 msec

Phase B operates in

8.8 msec



Phase C operates in

13.8 msec

Phase C operates in

13.8 msec


Examples: Examples: Case 12 (Internal Fault - Weak Infeed)Case 12 (Internal Fault - Weak Infeed)



• Circuits 3 (wye winding of the transformer:

zero-sequence infeed), 4 (weak infeed) and

5 (load) connected


(fast form-C)




AG, pow=0o



Phase A operates in

17.7 msec

Phase A operates in

17.7 msec





• Circuits 3 (wye winding of the transformer:

zero-sequence infeed), 4 (weak infeed) and

5 (load) connected


(fast form-C)




AG, pow=90o



Phase A operates in

13.5 msec

Phase A operates in

13.5 msec


Examples: Examples: Case 14 (Closing onto Internal Fault)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





AG, pow=0o



Phase A operates in

7.6 msec

Phase A operates in

7.6 msec



• Internal AG fault pre-exists on the bus



= 90 deg





AG, pow=90o



Phase A operates in

7.9 msec

Phase A operates in

7.9 msec



• Internal ABCG fault pre-exists on the bus



= 0 deg


COMTRADE File: B30_case_16a,b,c



ABCG, pow=0o



Phase A operates in

8.8 msec

Phase A operates in

8.8 msec



Phase B operates in

6.4 msec

Phase B operates in

6.4 msec



Phase C operates in

8.8 msec

Phase C operates in

8.8 msec


Examples: Examples: Case 17 (Closing onto External Fault)Case 17 (Closing onto External Fault)

• Internal ABCG fault pre-exists on the

circuit #4

• The circuit #4 is connected to the de-

energized bus



= 0 deg





ABCG, pow=0o



• Internal AG fault pre-exists on the circuit #4

• The circuit #4 is connected to the de-

energized bus



= 0 deg





AG, pow=0o


Examples: Examples: Case 19 (External Fault – Autoreclosure)Case 19 (External Fault – Autoreclosure)

• External AG fault on the circuit #4

• The fault is cleared in 100 msec

• Two AR shots are executed with the dead-

time of 0.5 sec

• The AR fails - the breaker opens after 70

msec during each shot





AG, pow=0o



Fault InceptionFault Inception 2nd AR shot2nd AR shot



• External ABCG fault on the circuit #4

• The fault is cleared in 100 msec

• Two AR shots are executed with a dead-

time of 0.5 sec

• The AR fails - the breaker opens after 70

msec during each shot





ABCG, pow=0o



Fault InceptionFault Inception 2nd AR shot2nd AR shot

Universal Relay Family Management The Universal Relay Examples: RTDS Testing Environment PSCAD...

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