给出了并网光伏发电系统整体模型，验证了该模型是准确的。
In the end, it gives the system model of grid-connected photovoltaic system and validates its accuracy.
直流注入是光伏并网发电系统中的一个重要问题。
DC injection restriction is a critical issue in the photovoltaic power systems.
实验结果验证了用DSP控制的光伏并网发电系统是有效的和可行的。
The experiment result proves that the PV grid-connected system controlled by DSP is effective and feasible.
叙述了应用DSP控制光伏并网发电系统的原理和方法。
The principle of applying DSP to control the PV grid-connected system is proposed in this paper.
基于单相单级光伏并网发电系统，针对传统主动式频率偏移法控制的复杂性，采用了一种新颖的带反馈的主动式频率偏移法。
This paper proposed a novel active frequency drift with feedback based on single-phase single stage PV grid-connected generation system for the complexity of the control in traditional method.
最大功率点跟踪控制问题是光伏并网发电系统中经常遇见的问题。
Maximum Power Point Tracking is one of the most important problems for the grid-connected photovoltaic system.
光伏并网发电系统的核心就是并网逆变器。
Grid-connected inverter is the core of PV Grid-connected system.
研究并改进了单相两级光伏并网发电系统的控制策略。
The control strategy of single-phase two-stage grid-connected PV (PhotoVoltaic) generation system is studied and improved.
详细分析了户用高频光伏并网发电系统的工作原理。
The mechanism of islanding occurring is analyzed and studied in details.
而连接光伏阵列和电网的光伏并网逆变器便是整个光伏并网发电系统的关键。
Connected photovoltaic arrays and grid photovoltaic grod-connected inverter is the key to the entire grid-connected PV systems.
并能为客户设计、策划、安装性能稳定经济实用的并网型和独立型太阳能光伏发电系统工程。
And can design, plan, install of the practical, economic and stabile of synchronization network or independent network of solar photovoltaic-engineering systems for customers.
光伏并网发电系统的研究已成为太阳能发电系统研究的主流。
Grid-connected PV generation system has been mainstream in researching solar generation system.
本实用新型适用于太阳能光伏电站、太阳能光伏并网发电系统等领域。
The utility model is applicable to solar photovoltaic generating plants, solar photovoltaic grid-combined generating systems and other fields.
并能为客户设计、策划、安装性能稳定经济实用的并网型和独立型太阳能光伏发电系统工程。
It can design, devise, install stabilize function and practical econometric combine nets and independent solar Vanquish electric power generation system project that for customers.
在太阳能光伏并网发电系统中，为了获得最大输出功率，并网电流幅值要随外部环境变化而变化。
The amplitude of grid-connected current should change with external environment in order to obtain maximum output power of PV arrays.
详细分析了单相光伏并网发电系统的不同主电路拓扑结构的工作特性和工作原理。
The main contents are as follows:(1) The principles and characteristics of different main circuit topologies of grid-connected photovoltaic systems are analyzed at length.
分析了光伏发电系统及其并网的技术特点，简要阐述了光伏发电并网问题的研究现状。
This paper presents special characteristics of PV and its interconnection with the large power system, and reviews the status of the grid-connected PV.
所以光伏并网发电系统都应具有检测出孤岛状态并停止并网运行的能力。
So, all electric power network grid should have the ability of detecting islanding status and stopping the run mode of grid connect.
最后，本文利用光伏模拟器代替传统的光伏电池，建立了单级式光伏并网发电系统，在RT-LAB仿真平台中搭建实时仿真模型，对系统进行了仿真研究。
The Real-time simulation model based on the RT-LAB software platform has been built. It can overcome the limits of real conditions of the PV experiment in the laboratory.
最后，本文利用光伏模拟器代替传统的光伏电池，建立了单级式光伏并网发电系统，在RT-LAB仿真平台中搭建实时仿真模型，对系统进行了仿真研究。
The Real-time simulation model based on the RT-LAB software platform has been built. It can overcome the limits of real conditions of the PV experiment in the laboratory.
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