International Scholarly Research Notices

Research Article

Computational Techniques for Autonomous Microgrid Load Flow Analysis

Table 2

Comparison of bus voltages for different operating conditions of the 33-bus microgrid.


Bus number	Basic backward forward sweep method: distribution system with no DG		Newton Raphson method applied to 33-bus autonomous microgrid		Backward forward sweep method applied to 33-bus autonomous microgrid		Distributed slack bus based method applied to 33-bus autonomous microgrid
Bus number	Summer demand voltage in p.u.	Winter demand voltage in p.u.	Summer demand voltage in p.u.	Winter demand voltage in p.u.	Summer demand voltage in p.u.	Winter demand voltage in p.u.	Summer demand voltage in p.u.	Winter demand voltage in p.u.

1	1	1	0.9982	0.9979	0.9986	0.9983	0.9986	0.9983
2	0.9971	0.9964	0.9982	0.9979	0.9986	0.9983	0.9986	0.9983
3	0.9829	0.9792	1.000	1.0000	1.0000	1.0000	1.0000	1.0000
4	0.9755	0.9701	0.9991	0.9996	0.9990	0.9995	0.9990	0.9752
5	0.9681	0.9611	0.9985	0.9996	0.9982	0.9994	0.9982	0.9751
6	0.9497	0.9386	0.9972	0.9999	0.9966	0.9993	0.9918	0.9750
7	0.9462	0.9343	0.9974	0.9994	0.9967	0.9988	0.9918	0.9744
8	0.9413	0.9284	0.9981	0.9991	0.9971	0.9984	0.9972	0.9740
9	0.9351	0.9208	1.0009	1.0010	1.0000	1.0002	1.0000	1.0000
10	0.9292	0.9136	0.9955	0.9946	0.9945	0.9937	0.9946	0.9935
11	0.9284	0.9126	0.9947	0.9936	0.9937	0.9927	0.9938	0.9930
12	0.9269	0.9107	0.9934	0.9920	0.9923	0.9910	0.9924	0.9908
13	0.9208	0.9033	0.9877	0.9852	0.9866	0.9842	0.9867	0.9840
14	0.9185	0.9005	0.9856	0.9828	0.9845	0.9816	0.9846	0.9814
15	0.9171	0.8988	0.9843	0.9812	0.9832	0.9800	0.9832	0.9798
16	0.9157	0.8971	0.9830	0.9797	0.9819	0.9785	0.9820	0.9783
17	0.9137	0.8946	0.9811	0.9775	0.9800	0.9762	0.9801	0.9760
18	0.9131	0.8938	0.9806	0.9768	0.9794	0.9755	0.9795	0.9753
19	0.9965	0.9958	0.9977	0.9973	0.9981	0.9976	0.9981	0.9977
20	0.9929	0.9915	0.9942	0.9930	0.9945	0.9933	0.9945	0.9934
21	0.9922	0.9906	0.9935	0.9922	0.9938	0.9925	0.9938	0.9925
22	0.9916	0.9899	0.9928	0.9914	0.9932	0.9917	0.9932	0.9918
23	0.9794	0.9749	0.9965	0.9958	0.9965	0.9958	0.9965	0.9958
24	0.9727	0.9669	0.9900	0.9881	0.9899	0.9879	0.9899	0.9879
25	0.9694	0.9628	0.9868	0.9842	0.9867	0.9840	0.9867	0.9840
26	0.9477	0.9362	0.9972	1.0005	0.9966	1.0000	0.9917	0.9756
27	0.9452	0.9331	0.9973	1.0016	0.9966	1.0010	0.9918	0.9767
28	0.9337	0.9191	0.9975	1.0062	0.9968	1.0053	0.9919	0.9811
29	0.9255	0.9091	0.9980	1.0102	0.9973	1.0091	0.9924	0.9850
30	0.9220	0.9047	0.9991	1.0133	0.9984	1.0121	0.9935	0.9881
31	0.9178	0.8996	1.0056	1.0252	1.0048	1.0238	1.0000	1.0000
32	0.9169	0.8985	1.0048	1.0242	1.0040	1.0228	0.9992	0.9990
33	0.9166	0.8981	1.0045	1.0239	1.0037	1.0225	0.9989	0.9987