Coordinated control of DSTATCOM with switchable capacitor bank in a secondary radial distribution system for power factor improvement

Rafi, K. Mahammad; Prasad, P. V. N.; Vithal, J. V. R.

doi:10.1186/s43067-022-00044-3

Journal of Electrical Systems and Information Technology

Table 4 Payback calculation of SUES Substation from June 2018 to December 2020

From: Coordinated control of DSTATCOM with switchable capacitor bank in a secondary radial distribution system for power factor improvement

S. no	Bill month	kWh from TSSPDCL monthly bill	Fictitious kVAh	Actual kVAh charges from monthly bill (Rs.)	Fictitious kVAh amount (Rs.)	Amount saved in energy charges (Rs.)	Saved amount in calendar year wise	Cum. amount saved
1	Jun-18	41,528	44,769	325,416	349,198	23,782	Rs. 2,44,981	23,782
2	Jul-18	61,568	66,373	480,511	517,709	37,198		60,980
3	Aug-18	69,440	74,860	543,036	583,908	40,872		101,852
4	Sep-18	57,904	62,423	520,798	559,934	39,136		140,988
5	Oct-18	60,900	65,653	549,179	588,907	39,728		180,716
6	Nov-18	62,372	67,240	487,281	524,472	37,191		217,907
7	Dec-18	44,836	48,335	349,939	377,013	27,074		244,981
8	Jan-19	37,100	39,996	289,442	311,969	22,527	Rs. 4,10,721	267,508
9	Feb-19	51,676	55,709	403,197	434,530	31,333		298,841
10	Mar-19	65,120	70,203	508,435	547,583	39,148		337,989
11	Apr-19	80,916	87,232	728,077	782,471	54,394		392,383
12	May-19	62,220	67,076	486,221	523,193	36,972		429,355
13	Jun-19	54,648	58,913	426,660	459,521	32,861		462,216
14	Jul-19	66,900	72,122	522,600	562,552	39,952		502,168
15	Aug-19	52,100	56,166	407,066	438,095	31,029		533,197
16	Sep-19	59,420	64,058	464,131	499,652	35,521		568,718
17	Oct-19	47,192	50,875	368,410	396,825	28,415		597,133
18	Nov-19	58,420	62,980	460,762	491,244	30,482		627,615
19	Dec-19	53,052	57,193	418,018	446,105	28,087		655,702
20	Jan-20	34,984	37,715	274,903	294,177	19,274	Rs. 1,76,048	674,976
21	Feb-20	55,276	59,590	434,928	464,802	29,874		704,850
22	Mar-20	51,048	55,032	401,637	429,250	27,613		732,463
23	Apr-20	19,488	21,009	152,380	163,870	11,490		743,953
24	May-20	14,564	15,701	113,599	122,468	8869		752,822
25	Jun-20	16,888	18,206	131,913	142,007	10,094		762,916
26	Jul-20	14,136	15,239	110,261	118,864	8603		771,519
27	Aug-20	15,932	17,176	124,332	133,973	9641		781,160
28	Sep-20	23,568	25,408	184,704	198,182	13,478		794,638
29	Oct-20	35,019	37,752	275,005	294,466	19,461		814,099
30	Nov-20	32,127	34,635	252,502	270,153	17,651		831,750
31	Dec-20	31,273	33,714	245,419	262,969	17,550		849,300

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