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Question:

The relationship between the weight and the power of solar wafers!

The relationship between the weight and the power of solar wafers!Often see solar wafers, some reports how many watts (power), but some also reported how many tons, I do not know the relationship between the two and how to convert

Answer:

Calculation:The thickness of 180 unchanged, unchanged weight of the 156 monocrystalline silicon, conversion efficiency of up to 20% cases,Monolithic Power: 156*156*0.2/1000=4.86WThe consumption per watt of monocrystalline silicon wafers is: 27.23g/4.86W=5.6g/w
The thickness of the silicon wafer is unchanged and the weight is unchanged:156*156,8 inch polycrystalline silicon chip efficiency reached 16%, single-chip power of 3.89W.This can be pushed: the thickness of the silicon wafer is 180, the efficiency is up to 16%, and the consumption of the single silicon is 3.89w*7g/w=27.23g.When the thickness of silicon wafer is 180, and the weight of silicon wafer is unchanged, the conversion rate of polycrystalline silicon chip is up to 18%, and the chip power is 156*156*0.18/1000=4.38WThis can be pushed: the thickness of the silicon wafer is 180, the weight of the silicon wafer is unchanged, and the conversion rate of the polycrystalline silicon sheet is up to 18%, and the polysilicon consumption per watt is 27.23/4.38=6.2g
156*156,8 inch polysilicon chip Accounting: efficiency of 16%, the thickness of the silicon chip is 180, corresponding to the amount of polysilicon per watt on the map is 7G.

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