Transmission Network Expansion Planning Considering Phase-Shifter Transformers

Table 3

Five transmission expansion plans considering low-cost phase-shifter transformers.

Circuits	Plan 𝑃0		Plan 𝑃1		Plan 𝑃2		Plan 𝑃3		Plan 𝑃4
	TL	PS	TL	PS	TL	PS	TL	PS	TL	PS
𝐧01-03								1
𝐧03-09						1
𝐧04-09						1
𝐧03-24					1
𝐧06-10	1		1		1		1		1
𝐧07-08	2		2		1		2		2
𝐧08-09		1		1
𝐧08-10									1
𝐧10-12					1					1
𝐧11-14		1		1
𝐧12-23				1				1
𝐧13-23										1
𝐧14-16	1		1		1				1
𝐧15-16								1
𝐧16-17			2		2			1	1
𝐧16-19			1		1
𝐧17-18			1		1
𝐧17-22								1
𝐧19-22						2
𝐧13-14							1	1
Partial cost	102	4	226	6	310	8	110	14	188	4
Total cost	106		232		318		124		192