Table 3: The investment and upgrading decided of equipment.

No	Equipment	Bus	Base parameter	Upgraded or Invested Time (year)
				1	2	3	4	5	1	2	3	4	5	1	2	3	4	5
				Case 1, 2					Case 3					Case 4
1	Capacity upgraded of feeder i-j (MVA)	1-2	6.67					8										8
		1-3	6.67					8
2	Capacity upgraded of transformer substation i (MVA)	1	10				10						10					10
3	Capacity invested of Capacitor i (MVAr)	2	0										0.5
		3											0.5				0.5
		6	0										0.5
		7	0						0.5									0.5