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首页> 外文会议>2015 IEEE IAS Joint Industrial and Commercial Power Systems/ Petroleum and Chemical Industry Conference >Multi-functional solar inverter for grid harmonic elimination
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Multi-functional solar inverter for grid harmonic elimination

机译：用于消除电网谐波的多功能太阳能逆变器

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Declining solar prices have led to large scale adoption of solar inverters. Presently, many industries use their solar installation only for active power generation, and not for other possible applications like grid harmonic eliminations or support. This results in reduced utilization. High harmonics generated due to non-linear and switching loads is a typical problem for industries, particularly when sent to the grid. Passive filters are typically used to eliminate harmonics, though their fixed filtering capabilities and size are disadvantages. Active power filters (APF) have the advantage of selective harmonic elimination, but are costly. The hardware architecture of solar inverters and APF is same and can be used interchangeable with only a change in controls. It would be ideal if an already installed solar inverter in a facility could be used for harmonic elimination as well. Matlab based analysis on this concept under different operating modes, including day-time, night-time is performed.
机译：太阳能价格的下降导致了太阳能逆变器的大规模采用。当前，许多行业仅将太阳能装置用于有功发电，而不用于其他可能的应用，例如电网谐波消除或支持。这导致利用率降低。由于非线性负载和开关负载而产生的高次谐波对于工业来说是一个典型的问题，尤其是在发送到电网时。无源滤波器通常用于消除谐波，尽管它们的固定滤波功能和尺寸是不利的。有源功率滤波器（APF）具有选择性消除谐波的优势，但价格昂贵。太阳能逆变器和APF的硬件架构相同，仅需更改控件即可互换使用。如果设施中已经安装的太阳能逆变器也可以用于消除谐波，那将是理想的。 Matlab在不同的操作模式（包括白天，晚上）下基于此概念进行了分析。

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