13 Jul '11, 6am

Could Solar Inverters Moonlight As Grid Stabilizers?

Could Solar Inverters Moonlight As Grid Stabilizers?

All utility-scale solar farms use inverters that turn the DC power that solar panels make into the AC power that is used on our electrical grid. But, so far, these solar farms’ inverters only work days, converting each day’s sunshine into AC electricity for the grid. But it turns out, that because we are adding so much renewable energy to the grid, there is a new job that solar inverters can do, by working nights as well as days. By moonlighting, solar inverters could actually help stabilize the renewable energy grid. What if solar inverters on large solar farms could stay busy, and cut solar farm costs, by earning their keep working all night long as well? That is the question that was asked by a researcher with 20 years of experience with devices that perform as flexible AC transmission systems (FACTS) and are used by utilities to keep the grid stable. Rajiv Varma, Assoc...

Full article: http://cleantechnica.com/2011/07/13/could-solar-inverters...

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