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Hardware in Loop Simulation Test of Photovoltaic Virtual Synchronous Generator

机译：光伏虚拟同步发电机环路仿真试验中的硬件

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Photovoltaic power generation is mainly connected to the grid by grid-connected inverter. Compared with the traditional synchronous generator, it has the advantages of flexible control and quick response, but there is also lack of inertia and damping. With the increasing of the permeability of the photovoltaic power supply, the rotating spare capacity and the moment of inertia in the power system are relatively reduced, which poses a severe challenge to the safe and stable operation of the power grid. The introduction of photovoltaic virtual synchronous generator makes the grid connected inverter have similar operation characteristics of synchronous generator and improve the stability of power system. In this paper, a hardware in loop simulation test scheme based on RT-LAB is proposed for PV virtual synchronous generator, and a simulation test platform is set up to study the testing method of the performance of the PV virtual synchronous generator. Based on this platform, the characteristics of the PV virtual synchronous generator, such as the inertia and the primary frequency modulation, are carried out. The test results show that the simulation platform is correct.
机译：光伏发电主要通过网格连接逆变器连接到电网。与传统的同步发电机相比，它具有灵活的控制和快速反应的优点，但也缺乏惯性和阻尼。随着光伏电源的渗透率的增加，电力系统中的旋转备件和惯性矩的惯性力量相对减少，这对电网的安全和稳定运行构成了严重的挑战。光伏虚拟同步发电机的引入使得电网连接逆变器具有同步发电机的类似操作特性，提高电力系统的稳定性。本文提出了一种基于RT-LAB的环路仿真测试方案的硬件，用于PV虚拟同步发电机，并建立了模拟测试平台，以研究PV虚拟同步发电机性能的测试方法。基于该平台，进行了PV虚拟同步发电机的特性，例如惯性和初级频率调制。测试结果表明，仿真平台是正确的。

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