A New Algorithm for the Available Transfer Capability Determination

Table 6

Results of area-to-area ATC due to transient stability limit.

Area of transfers		Limiting generator		ATC (MW)		CPU time (minute)		Number of load flow solutions
Selling area	Buying area	Bus	Generator unit	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
1	2	32	G3	448	449	0.03	1.37	18	449
1	3	32	G3	449	449	0.03	1.20	18	449
2	1	34	G5	858	857	0.03	1.81	18	857
2	3	34	G5	870	870	0.03	2.20	18	870
3	1	38	G9	660	660	0.08	1.62	18	660
3	2	38	G9	723	722	0.03	1.90	18	722