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首页> 外文会议>Advanced machinery technology symposium: advanced Naval machinery - an integrated solution >DC/AC Droop-Controlled Inverter Model that Accounts for DC Side Dynamics
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DC/AC Droop-Controlled Inverter Model that Accounts for DC Side Dynamics

机译：考虑直流侧动态的DC / AC下垂控制的逆变器模型

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摘要

DC/AC droop-controlled inverters are used in a wide range of applications to convert dc energy into ac energy. However, most inverter models neglect an important feature of these inverters which is the dc side dynamics. The dc source could be a solar photovoltaic system, a battery bank or a fuel cell. Thus, it is important to account for the dc side dynamics since the dc source could be variable, intermittent or stochastic. In this paper, a new model of a dc/ac droop-controller voltage source inverter is proposed that includes the dc side dynamics. The inverters model consists of proportional-integral voltage and current controllers, droop controllers and a pulse width modulation (PWM) circuit. Simulations were carried out to test the model when connected to an infinite bus (slack bus). The simulation results show the four quadrant (inverter and rectifier) operational capability of the proposed mathematical model. The model would be useful for future studies of inverter-based microgrids and shipboard electric systems.
机译：DC / AC下垂控制的逆变器被广泛用于将直流能量转换为交流能量的应用中。但是，大多数逆变器模型都忽略了这些逆变器的重要特征，即直流侧动态特性。直流电源可以是太阳能光伏系统，电池组或燃料电池。因此，考虑到直流侧的动态非常重要，因为直流电源可能是可变的，间歇的或随机的。本文提出了一种包含直流侧动态特性的新型DC / AC降压控制器电压源逆变器模型。逆变器模型由比例积分电压和电流控制器，下降控制器和脉冲宽度调制（PWM）电路组成。当连接到无限总线（松弛总线）时，进行了仿真以测试模型。仿真结果表明了所提出数学模型的四个象限（逆变器和整流器）的运行能力。该模型将对基于逆变器的微电网和舰船电气系统的未来研究有用。

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