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首页> 外文会议>European Photovoltaic Solar Energy Conference and Exhibition >MICRO-INVERTERS: COMPARISON OF COSTS, PERFORMANCE AND YIELD
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MICRO-INVERTERS: COMPARISON OF COSTS, PERFORMANCE AND YIELD

机译：微逆变器：成本，性能和产量的比较

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To examine efficiency and yield of most micro-inverters available on the world market in 2013-14, an in- and outdoor test field at the University of Paderborn have been set up. The inverters have been fed by identical & calibrated crystalline silicon PV modules of 215 W at STC. To monitor accurately AC power output and yield, each of the micro-inverters has been equipped with a calibrated precision electricity meter. For micro-inverters that require control units for grid-feeding this has been purchased also. The test field is equipped with pyranometers in the module plane for global and diffuse irradiance, temperature, wind speed and wind direction measurement. The comparison includes energy yield over almost one year, efficiency-load characteristics, recovery times after switch-off, cost comparisons (including control units necessary and wiring), basic safety, reliability, warranty duration comparisons, and lifetime costs for generated electricity. While the market is quite new, the range of purchase costs varies considerably between the models in comparison, sometimes inverter costs are higher than module costs, particularly if an additional grid-connection or interface box is necessary for operation.
机译：研究2013 - 14年世界市场上最多微型逆变器的效率和产量，建立了帕德博尔博大学的室外测试领域。逆变器已通过STC的相同和校准的晶体硅PV模块供给215W。要监控准确的交流电源输出和产量，每个微逆变器都配备了校准的精密电表。对于需要控制单元的微逆变器，这也购买了这一点。该测试领域配备了模块平面中的显色器，用于全球和漫射辐照度，温度，风速和风向测量。比较包括几乎一年的能源产量，效率负载特性，关闭后的恢复时间，成本比较（包括控制单元，必要的控制单元），基本的安全性，可靠性，保修期持续时间比较，以及产生的电力的寿命成本。虽然市场相当新的，但购买成本范围在模型之间变化相比各不相同，有时逆变器成本高于模块成本，特别是如果需要额外的网格连接或接口盒操作。

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