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Maxim - Solar panels gain 30% more power using cell-string optimizer

Technology Cover
Post Date: 2016-11-05, Maxim Integrated
diodes and performs maximum power point tracking (MPPT) inside the PV module. By replacing each diode with an MPPT device, you can eliminate switching responses to mismatched performance. Each battery string provides maximum power without interfering with the capacity of other batteries. This enhanced flexibility results in increased energy production; eliminating the collateral performance loss due to module mismatches, degradation, smearing, local shadows, and line shadow loss mechanisms. The company said that based on the company's industry-leading power semiconductor technology, Maxim's battery string optimizer is the first integrated power IC to perform MPPT and is the first to be embedded in a PV module. Key advantages: 1-Increased energy harvesting-Provides best-in-class shadow mitigation capabilities with 30% more power than diodes. 2-Extended Reliability-Eliminates hot spots and minimizes the impact of power degradation mechanisms. 3-Achieve Flexible Design: Greater flexibility, can combine multiple string lengths, multiple directions, and extend the module to partially shaded areas. 4-Simplified Operation-A fully integrated solution simplifies the design without requiring any additional hardware, dedicated inverters or data services. Seth Kahn, executive director of Maxim Integrated Solar Products, said, "The granularity of the Maxim string optimizer provides first-rate subtraction, enables flexible system design without increasing complexity, and helps increase panel life. Large photovoltaic module companies have recognized the advantages of this unique technology-the first integrated power semiconductor for MPPT-and have gradually rolled out in mass production. " International Solar Energy Association (SPI), September 12-15 – JinkoSolar, Booth 2007; ET Solar, Booth 1371; Fronius, Booth 1521; Hanwha Q CELLS, Booth 2337; Suntech, Booth 1335; Trina Solar Booth 1511 .