A Secret Weapon For Inverter
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DC Electricity You may imagine DC electricity like a river, with The present of water flowing in only just one course.
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You could visualize this sort of electrical energy just like the tide of the sea, it regularly flows in and out among the maximums of superior tide and small tide.
Flat Line When we use an oscilloscope to consider the electrical wave form for DC, we get this flat line at highest voltage while in the beneficial location.
Grid-tie inverters are especially designed for connecting renewable Electrical power programs, including solar panels or wind turbines, to your utility grid. They change the DC electrical power generated via the renewable resources into synchronized AC power that may be fed again to the grid or applied domestically.
也呈现马鞍形，这貌似和我们想要的正弦波形不一致啊——不要着急，我们继续分析。假设马鞍形的数学表达式为：
逆变器根据发电源的不同，分为煤电逆变器，太阳能逆变器，风能逆变器，核能逆变器。根据用途不同，分为独立控制逆变器，并网逆变器。
So, if we wish to electric power our electrical products from, renewable sources, battery banking institutions or maybe our auto, then we have to convert DC electrical power into AC electrical energy and we do that with an inverter.
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To ensure’s how we might take a 12V Sunsynk Powerlynk South Africa battery and transform this into a 120V or 230V AC offer by using some IGBT’s, pulse width modulation as well as a transformer.
前面的说的是单桥臂工作情况，虽然用的极少，但是对于了解复逆变器是很有帮助的。比如，我们再增加一个桥臂，就可以组成一个单相桥电路，如下图所示。
The pure sine wave inverter produces a clean and large-top quality sine wave AC output that is definitely just about similar to the utility grid electricity.
三相绕组的相电流压波形如下图所示，经过负载的低通滤波，电流已经基本接近于正弦。