Key Factors for Solar Inverter Efficiency Improvement
The conversion efficiency of the inverter is the key that directly determines whether it can achieve low cost and high production capacity. For the efficiency of solar inverters, the key to improving its efficiency lies in three factors.
1. Standard for Inverter Conversion Efficiency
For solar inverters, they are consumables, and their lifespan will be determined by the passage of time and the conversion rate during use. In order to ensure the service life and safety of the inverter, the country has formulated relevant standards, that is, to set a limited value for the conversion efficiency. And this limit is established on the basis of professional science, not arbitrarily set the limit. The conversion efficiency of the inverter must be higher than 94% with a transformer, and higher than 96% without a transformer.
2. How to improve conversion efficiency
The premise of improving conversion efficiency is to reduce losses. The loss of the IGBT is the fundamental factor that determines whether the conversion efficiency can be improved, so the efficiency can be improved by reducing the loss of the IGBT. However, it should be noted that the reduction of this loss is limited and cannot be reduced without limit. Appropriately reducing the switching frequency is the key to improving the conversion efficiency, avoiding the situation of reducing the power quality caused by blindly reducing the switching frequency.
Secondly, the conversion rate of the solar inverter needs to reduce the loss of the transformer. The loss of the transformer usually comes from its own copper and iron loss, which can reduce the loss in these two aspects and effectively improve the conversion rate of the inverter.
In addition, the loss of the reactor is also a key factor affecting the conversion rate. On the basis of this factor, the inductive reactance of the reactor can be reduced, and the conversion efficiency of the inverter can be effectively improved.
3. The need to increase conversion rates
Why increase the conversion rate of the inverter? It is important to know that improving the conversion efficiency is very important. By improving the conversion efficiency of the inverter, it can effectively increase the revenue and reduce the cost of the inverter. If the inverter can generate more than 12 degrees of electricity every day on a relatively favorable basis, the excess electricity generated in one year is very amazing.
The above are the key factors that affect the conversion rate of solar inverters. Based on these factors, the conversion rate can be effectively improved, so that the power generation can be improved. The conversion efficiency of the inverter is very critical, so the country attaches great importance to the conversion rate of the inverter and the related interests, so the manufacturer's conversion rate is required to be guaranteed.
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