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首页> 美国卫生研究院文献>Materials >Reliability Study of c-Si PV Module Mounted on a Concrete Slab by Thermal Cycling Using Electroluminescence Scanning: Application in Future Solar Roadways
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Reliability Study of c-Si PV Module Mounted on a Concrete Slab by Thermal Cycling Using Electroluminescence Scanning: Application in Future Solar Roadways

机译：通过电致发光扫描通过热循环安装在混凝土板上的c-Si光伏组件的可靠性研究：在未来的太阳能道路中的应用

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Several tests were conducted to ratify the reliability and durability of the solar photovoltaic (PV) devices before deployment in the real field (non-ideal conditions). In the real field, the temperature of the PV modules was varied during the day and night. Nowadays, people have been bearing in mind the deployment of PV modules on concrete roads to make use of the space accessible on roads. In this regard, a comparative study on the failure and degradation behaviors of crystalline Si PV modules with and without a concrete slab was executed via a thermal cycling stress test. The impact of the concrete slab on the performance degradation of PV modules was evaluated. Electroluminescence (EL) results showed that the defect due to thermal cycling (TC) stress was reduced in the PV module with a concrete slab. The power loss due to the thermal cycling was reduced by approximately 1% using a concrete slab for 200 cycles. The value was reduced to approximately 91% and 71% after thermal cycling of 200 cycles for reference PV modules, respectively. The value of was increased to approximately 3.1 and 2.9 times the initial value for the PV modules without and with concrete, respectively.
机译：在实际部署（非理想条件）之前，进行了一些测试以验证太阳能光伏（PV）设备的可靠性和耐久性。在实际领域中，光伏组件的温度在白天和晚上都会变化。如今，人们一直牢记在混凝土道路上部署光伏组件，以利用道路上可及的空间。在这方面，通过热循环应力测试，对有或没有混凝土板的结晶硅光伏组件的失效和退化行为进行了比较研究。评估了混凝土板对光伏组件性能下降的影响。电致发光（EL）结果表明，使用混凝土板的PV组件减少了因热循环（TC）应力引起的缺陷。使用混凝土板进行200次循环后，由于热循环而导致的功率损耗降低了约1％。对于参考PV模块，在200个循环的热循环后，该值分别降低到大约91％和71％。不使用和使用混凝土的光伏组件的值分别增加到初始值的约3.1和2.9倍。

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