![]() ![]() If there is a problem with the main grid, a switch can disconnect the grids either manually or automatically. The PCC can also allow the microgrid to import and export electricity from the parent grid in response to appropriate price signals, utilizing energy storage mechanisms such as batteries. In connected mode, the two systems operate in parallel, with the PCC maintaining equal voltage levels in both. The point of common coupling (PCC) is where a microgrid connects to the main grid. This can range from diesel generators and batteries, the most common sources at the moment, to power generated by renewable resources such as solar panels, wind farms, fuel cells, or other sources of renewable energy. Like a traditional grid, energy generation is the heart of a microgrid system. The idea of small-scale electric systems dates back to 1882, when Thomas Edison's coal-fired Manhattan Pearl Street Station in New York City served 82 customers within a radius of a few blocks. In particular, massive conventional grids are connecting with low-voltage microgrids, which help make electricity use more flexible and efficient. IntelĀ®-based platform solutions using IoT technologies like AI, machine learning, and Big Data provide analytics, automatic control, and other tools to manage new energy assets. ![]() ![]() At the same time, they introduce new challenges to grid security, reliability, and load management. Technology is rapidly driving the transition to smart grids, which have the potential to meet all three challenges. It also needs to be more reliable and resilient, able to provide power-especially to essential sites like hospitals and military facilities-during and after disruptions or disasters. It has to become greener, by connecting to more carbon-free energy sources. To take advantage of this progress and to pave the way for even more carbon-free energy in the future, we have to overhaul the grid. But as renewable energy booms, more power is flowing from smaller, dispersed sources like wind and solar farms, and even individual homes and businesses. It was designed decades ago to funnel electricity from large power plants burning coal and natural gas. The traditional electricity grid needs an upgrade. ![]()
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