并网点

仿真并网系统正常、孤岛、短路等11种运行状态，采集各状态下并网点的三相电流信号，并在Matlab中实现特征提取。

The simulation simulates eleven kinds of operating status , such as normal , islanding and a variety of short circuits . Collect the three-phase current signals of each state and extract the feature in Matlab .

对风电场并网点实时进行数据采集并做出稳定性的评估。

Real-time data from the wind farm and network were collected and stability of the system was evaluated .

对风力发电机组并网点进行电能质量监测并由此采取相应的措施治理，可以降低并网对电网的影响。

Power quality monitoring for the grid connection point of wind power generator and adapting corresponding treatments can reduce the influence of the grid-connection to power network .

在分析了并网点电压波动原因和满足电网功率调度的基础上，说明了为并网光伏系统引入储能设备的必要性。

The necessity of using energy storage equipment for PV system is illustrated so that to reduce the fluctuation of the power and meet the power dispatching of the grid .

研究风光电互补建筑节能系统运行控制与节能管理策略，主要包括：（1）并网运行控制策略。主要包括并网点及防逆流点的选择、多逆变器群控策略及其实现方法、无功功率补偿策略。

The running control and energy-efficient management strategies is researched , including : ① Grid-connected running control strategies includes points choice of grid-connected and back-flow-prevention , multi-inverter group control strategy , reactive power compensation strategy .

储能系统通过双向的功率变换器接入并网点，从而控制储能系统在风速变化时平滑风场输出功率。

An ESS is connected to the point of common coupling through a bi-directional power converter . The ESS is controlled so as to smooth out the total output power as the wind speed varies .

随着风电场大规模集中发展，电网对风电场日益提高的并网要求和风电场并网点电压波动、功率因数较低的现状存在矛盾。

With the large-scale centralized development of wind farm , there is a contradiction during the increasing demands which are required by connecting to network , voltage fluctuation of wind power access point and low power factor .

分析了不同风速相关性对风电场并网点电压的概率密度和相关支路传输功率的概率分布的影响，以及考虑相关性后对风电场并网点无功补偿容量的配置。

The influence of different wind velocity correlations is analyzed on probabilistic density of integration voltage and probabilistic distribution of transmission power on related branches , and also the allocation of reactive compensation capacity at integration point .

一方面由最大功率跟踪技术确保光伏发电系统的最大有功输出，一方面调节大电网的无功供给，从而保证在无功负荷变化的情况下并网点的电压稳定。

On the one hand ensures the maximum active output by maximum power tracking technology ; on the other hand adjusts the reactive power supply of the grid to ensure the voltage stability with the change of reactive load .

研究的主要结果如下：柔印制版应根据实际印刷机械、承印物选择合适的材料、厚度、制版方式、并作网点增大补偿。

Main results have been obtained as follows : The choices of Flex printing plate suitable material , thickness , plate-making methods should be based on the actual printing machinery and printing materials and dot gain compensation adjustment .

所有规模以上企业都将被选取为调查对象，并上报所有零售网点的数据。

All firms with sales above applicable size cutoffs are selected into the survey with certainty ( i.e. , probability equal to one ) and report for all their retail establishments .