Development of a Cost-Effective Solar/Diesel Independent Power Plant for a Remote Station

Table 1

Remote station daily load demand.

S/N	Power consumption	Power (W)	Quantity	Load (W)	Load (kW)	Hour/day	On-time (time in use)
1	Air condition	2000	18	36000	36	8	08:00–16:00
2	Fans	56	78	4368	4.368	8	08:00–16:00
3	Lighting	40	152	6080	6.08	8	08:00–16:00
4	Printers	800	11	8800	8.8	8	08:00–16:00
5	Desktop computer	264	14	3696	3.696	8	08:00–16:00
6	Security light	60	9	540	0.54	8	08:00–16:00
7	Refrigerator	100	12	1200	1.2	8	08:00–16:00
8	Pumping machine	1119	1	1119	1.119	2	10:00–12:00
9	Television	60	12	720	0.72	4	12:00–16:00
10	Tachometer	16.1	1	16.1	0.016	3	13:00–16:00
11	Transformer trainer	600	1	600	0.6	3	13:00–16:00
12	Feedback power tester	675	1	675	0.675	3	13:00–16:00
13	Battery charger	4400	1	4400	4.4	6	10:00–16:00
14	System trainer	4.56	1	4.56	0.00456	3	13:00–16:00
15	Projector	210	2	420	0.42	6	10:00–16:00
16	Thurlby PL(320)	480	1	480	0.48	3	13:00–16:00
17	Function generator	500	1	500	0.5	3	13:00–16:00
18	Photocopy machine	1100	12	13200	13.2	6	10:00–16:00
19	Soldering iron	480	8	3840	3.84	7	09:00–16:00
20	DC power supply	375	1	375	0.375	3	13:00–16:00
21	Electric water heater	2990	12	35880	35.88	2	08:00–10:00
22	Oscilloscope	255	3	765	0.765	3	13:00–16:00
23	Signal generator	1000	2	2000	2	3	13:00–16:00
24	Feedback amplifier	155.9	1	155.9	0.1559	3	13:00–16:00