Driven by the"carbon peaking and carbon neutrality"goal,and in order to adapt to the"double high"structure of new power system with a high proportion of renewable energy and a high proportion of power electronic equipment,it is of great significance to study the new low-voltage power distribution and utilization system based on photovoltaics,energy storage,direct current and flexibility(PEDF),which is an important way to realize the consumption of renewable energy power generation and promote the flexible use of electricity by users.Against this background,the low-voltage power distribution and utilization system with PEDF is proposed.First of all,the basic structure of PEDF system is established,and the working principle,basic structure and power allocation strategy are analyzed.And then,for the scenario of integration of a high proportion of renewable energy and power electronic device to power distribution and utilization system,the key technologies and control strategies of each part of PEDF system are studied separately.Finally,through the example verification,the proposed system has good response capability and stability under different operating environment.
photovoltics,energy storage,direct current and flexibility(PEDF)renewable energy consumptionnew low-voltage power distribution and utilization systemdistributed photovoltaiccontrol strategy
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