5kVA Residential Solar Energy System Design

5kVA Residential Solar Energy System Design

5kVA Residential Solar Energy System Customer’s electricity demand: illumination 200 watts per day for 6 hrs, fridge 50 watts for 1 day a day, one inverter a/c for 12 hours, TV 50 watts for 10 hours a day. There are also washing machines, desktop computers, rice stoves, electric fans and also other non-scheduled home appliances. The customer is set up in Diqing, Yunnan.
1. Analytical tons total power

200 watts of lighting, 50 watts of fridge, 750W of air conditioning unit, 50 watts of TV set, 300W of washing machine, 200W of home computer, 1200W of rice stove, 100W of electrical fan, total 2850W, use Guruwatt SPF 5000 control inverter device, outcome power It is 4.0 KW.

2. Daily electrical power data

Illumination 1.2 levels, refrigerator 1 degree, a/c 2 levels, television set 0.5 levels, washing machine counts 1 degree, desktop computer 0.5 levels, rice cooker 1 degree, electrical fan 0.5 degrees, ordinary complete 7.7 degrees, in fact an average of about 6 each day -10 levels approximately. Yunnan Diqing has excellent lights problems, with an average of 4.5 hrs daily. It is designed to use 9 280W components with an overall of 2.52 kW. The typical day-to-day power generation is 11.34 levels. The off-grid system has low efficiency, normally concerning 0.8, as well as the ordinary day-to-day available electrical power is 9 levels. As a result, it can generally fulfill the electrical power demand of more than 99%.

3. Estimation battery

Most of the residential home appliances are used during the night. It may be just around 20% during the day. In order to increase the battery life, the battery capability can be boosted properly. The daily charge and discharge depth is low. This task uses 4 12V250AH colloidal lead-acid batteries. The overall capacity is 12000VAH, the readily available electrical energy has to do with 8.4 levels, as well as the average electrical energy intake is 6 kWh at night. The discharge depth is about 50%.

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