At present, household photovoltaic power stations generally use monocrystalline silicon modules and polycrystalline silicon modules. The general specification is 36V280W, and the area of a single module is about 1.8 square meters. The square array of photovoltaic modules is connected in parallel in different strings. When installing, it must be installed with a reasonable inclination angle and the correct lighting direction, and each array should be staggered by a certain distance to avoid overlapping with each other when exposed to sunlight. block.
At the same time, for the convenience of cleaning and maintenance, aisles should be reserved between the photovoltaic arrays. Therefore, for a roof of 60 square meters, it is recommended that the number of photovoltaic modules reasonably installed is 20, the installed capacity is 5.6KW, and the total area of photovoltaic modules is 36 square meters.