Study on Consumption Capability of Large-Scale Photovoltaic Access to Regional Distribution Network
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Distributed photovoltaic power generation has the characteristics of sufficient power generation resources, safe and reliable power generation and so on, which has become the focus of worldwide attention. However, distributed photovoltaic power generation brings clean energy to China's power grid and also brings many problems. Due to its scattered, intermittent and random output, it will bring many impacts on the power quality and power supply reliability of China's power grid. Based on the premise that a large number of distributed photovoltaic power sources are connected to the regional distribution network, this paper uses ETAP simulation software to calculate the power flow of the distribution network containing distributed photovoltaic power sources under the condition that the power grid voltage constraints and line power flow constraints are met, and combines with the actual load curve of a certain region, so as to obtain the maximum load bearing capacity of the distribution network that can be connected to the distributed photovoltaic power sources.
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