Siting and Sizing of DG in Medium Primary Radial Distribution System with Enhanced Voltage Stability

Table 1

Analysis of TVD matrices obtained for 7-bus sample radial distribution system.

Case	Corresponding [TVD] matrix	Load bus	Impedance covered in the path		Load (MW)	(%) Power shared		Load shared (MW)
			S.S.	DG		S.S.	DG	S.S.	DG
Case  1	[TVD]1	2	1/4th	3/4th	10	75	25	7.5	2.5
		3	2/4th	2/4th	10	50	50	5.0	5.0
		4	2/4th	2/4th	10	50	50	5.0	5.0
		5	2/4th	2/4th	10	50	50	5.0	5.0
		6	3/4th	1/4th	10	25	75	2.5	7.5
			Net capacity		50	50	50	25	25
Case  2	[TVD]2	2	1/5th	4/5th	10	80	20	8.0	2.0
		3	3/5th	2/5th	10	40	60	4.0	6.0
		4	3/5th	2/5th	10	40	60	4.0	6.0
		5	3/5th	2/5th	10	40	60	4.0	6.0
		6	4/5th	1/5th	10	20	80	2.0	8.0
			Net capacity		50	44	56	22	28
Case  3	[TVD]3	2	4/5th	1/5th	10	20	80	2.0	8.0
		3	2/5th	3/5th	10	60	40	4.0	6.0
		4	2/5th	3/5th	10	60	40	4.0	6.0
		5	2/5th	3/5th	10	60	40	4.0	6.0
		6	1/5th	4/5th	10	80	20	8.0	2.0
			Net capacity		50	56	44	28	22