Research Article
N − 1 Security Criteria Based Integrated Deterministic and Probabilistic Framework for Composite Power System Reliability
Algorithm 1
Development of
using integrated D-P framework.
| (1) | procedure Integrated D-P framework | | (2) | load test system load data | | (3) | perform Load Variation | | (4) | Normal PDF for at ±5% | | (5) | perform AC-OPF at base case load | | (6) | while temp = 0 | | (7) | perform Deterministic Approach | | (8) | for each contingent line i | | (9) | perform AC-OPF | | (10) | Calculate | | (11) | if | | (12) | Line is operating normally | | (13) | else if | | (14) | Line is in insecure state | | (15) | else | | (16) | Line is overloaded | | (17) | Calculate | | (18) | if | | (19) | Line is Not Critical (NC) | | (20) | else if | | (21) | Line is Critical (C) | | (22) | else | | (23) | Line is Most Critical (MC) | | (24) | for | | (25) | Calculate | | (26) | end for | | (27) | end for | | (28) | perform Probabilistic Approach | | (29) | for Available line k || Unavailable line i (Contingent Line) | | (30) | Calculate || | | (31) | Calculate Outage probability using (11) | | (32) | Calculate using (12) | | (33) | perform AC-OPF for each outage condition | | (34) | Check OPF convergence | | (35) | if OPF converged for each outage condition | | (36) | Calculate Reliability Indices— | | (37) | else | | (38) | Calculate Reliability Indices— (Loss of Load) | | (39) | Calculate | | (40) | if | | (41) | Line is Not Critical (NC) | | (42) | elseif 0.8 | | (43) | Line is Critical (C) | | (44) | else | | (45) | Line is Most Critical (MC) | | (46) | end for | | (47) | end while | | (48) | Compute using (19)–(22) | | (49) | Compute using (23) | | (50) | Compute using (24) | | (51) | Compute using (25) | | (52) | end procedure |
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