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.
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.
以某实际工程太阳能并网发电系统进行经济性分析。
In an actual project solar energy grid generation system for economic analysis.
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.
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.
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.
本文提出了一种采用新型控制策略的光伏并网发电系统。
A kind of photovoltaic grid-connected generation system applying new type control strategy is presented.
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.
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.
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.
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.
小型风能和太阳能非并网发电系统普遍采用铅蓄电池组作为储能装置。
The small wind energy and solar energy off-grid power generation systems usually adopt lead-acid battery pack as their energy storage equipment.
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.
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.
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.
孤岛检测是分布式并网发电系统的必备功能，因为孤岛的发生一般不可预测且危害极大。
Islanding detection is an essential function of distributed grid-connected power generation systems, as the islanding occurrence is unpredictable and it does great harm.
在太阳能并网发电系统中，如何有效、及时地检测孤岛效应对整个并网系统具有重要的意义。
In photovoltaic grid-connected generation systems, whether the condition of islanding can be detected effectively and timely or not is of great significant for the entire grid-connected system.
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.
并网发电系统不使用蓄电池，成本更低，系统运行寿命更长，在系统运行过程中可进行远程监控。
The on-grid solar power system has the advantages of low cost and long operation life, furthermore it has no need of batteries and its remote monitoring can be carried out in the operation process.
阐述了基于数字信号处理器TMS320 LF 2407a的户用光伏并网发电系统的研究和设计。
This paper presents the research and design of residential photovoltaic grid-connected generation system based on the digital signal processor TMS320LF2407A.
针对光伏并网发电系统，基于数字锁相环，研究了一种实现系统并网电流幅值、相位跟踪控制的新方法。
Based on a new digital PLL, a new current tracing control strategy for a grid-connected PV system was proposed to control the amplitude and phase of the inverter current.
单相可再生能源并网发电系统是一非线性系统，受电网和环境的影响，系统存在较强的外部干扰和非线性不确定因素。
Renewable energy generation system connected to the single-phase grid is nonlinear. Affected by grid and environment, the strong disturbance exists.
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.
提出一种利用无功补偿技术进行并网发电系统孤岛检测的方法，通过对负载电压频率的判断即可有效检测是否进入孤岛状态。
A new method for islanding detection is presented, and the status of the islanding can be detected by the change of the frequency of the load voltage.
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.
在该模型的基础上对系统进行并网发电仿真，仿真结果显示系统模型建立正确，选用的方案能够很好的实现可再生能源的并网发电。
Based on the given model, the system is simulated. The simulation results show the model build in this paper is true and the scheme can realize connect the renewable source systems to power grid.
该太阳能发电系统可适应电网上各种正常和非正常状况的并网发电，系统的健壮性和容错性强。
The solar power system can be adapted to various normal and abnormal grid-connected power systems on the electric network and has high robustness and high fault-tolerance.
该太阳能发电系统可适应电网上各种正常和非正常状况的并网发电，系统的健壮性和容错性强。
The solar power system can be adapted to various normal and abnormal grid-connected power systems on the electric network and has high robustness and high fault-tolerance.
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