A New Algorithm for the Available Transfer Capability Determination

Table 4

Results of point-to-point ATC for the 39-New England bus system.

Point of transfers		Limiting line	ATC (MW)		CPU Time (minute)		Number of load flow solutions
Selling bus	Buying bus		Ralston’s with cubic-spline	Recursive AC power flow	Ralston’s with cubic-spline	Recursive AC power flow	Ralston’s with cubic-spline	Recursive AC power flow
30	16	2–30	236	235	0.03	0.60	18	235
30	20	19-20	128	127	0.03	0.32	18	127
30	3	2–30	233	233	0.03	0.58	18	233
32	3	12-13	48	47	0.03	0.12	18	47
32	24	12-13	41	40	0.03	0.10	18	40
32	27	12-13	44	44	0.03	0.11	18	44
33	3	3–18	128	128	0.03	0.32	18	128
33	24	16–24	291	291	0.03	0.73	18	291
33	27	17–27	293	292	0.03	0.74	18	292
34	4	14-15	131	130	0.03	0.33	18	130
34	25	3–18	196	195	0.03	0.48	18	195
34	26	17–27	353	352	0.03	0.85	18	352
35	3	3–18	127	127	0.03	0.32	18	127
35	15	15-16	145	145	0.03	0.36	18	145
35	27	16–21	268	267	0.03	0.65	18	267
36	12	14-15	117	117	0.03	0.29	18	117
36	28	16–21	329	329	0.03	0.80	18	329
36	3	3–18	127	127	0.03	0.31	18	127
37	15	12-13	186	186	0.03	0.46	18	186
37	24	12-13	241	241	0.03	0.60	18	241
37	26	25-26	243	243	0.03	0.60	18	243
38	3	3–18	174	173	0.03	0.43	18	173
38	8	29–38	176	176	0.03	0.44	18	176
38	24	29–38	176	176	0.03	0.44	18	176
39	21	12-13	103	102	0.03	0.26	18	102
39	22	12-13	102	102	0.03	0.27	18	102
39	24	12-13	103	102	0.03	0.35	18	102