Troubleshooting in solar plants requires not only trying to find a diagnosis of why the performance ratio is reduced, but also to localize faulty modules. In a recent pv magazine webinar, experts discussed four troubleshooting cases and explored whether module-resolved monitoring would help reduce the effort, and thereby decrease LCOE.
Troubleshooting series: Steadily declining system yield over the years is to be expected due to module degradation in photovoltaic systems. But in the following case, the yield abruptly dropped – and it happened after several years of operation. In this series based on real cases, pv magazine aims to make assessment of troubleshooting efforts more concrete and stimulate a discussion about troubleshooting efficiency today.
Assessment of weather data and forecasting are vital in reducing risks and, therefore, financing costs and losses during the operation of solar plants. Following a recent pv magazine webinar, Finnish environmental firm Vaisala has prepared detailed answers to the main questions posed by participants.
PID in India: In the cost-conscious Indian solar sector, ensuring reliable power output should be the number one priority. However, an example of one solar farm suffering from the ill-effects of under-performing modules, installation malpractice and unsatisfactory maintenance shows how corner cutting from the outset is more damaging in the long run.
The Dutch materials specialists have conducted new field tests in China that show how its new anti-soiling coating can keep solar panels cleaner for longer, resulting in additional yield on solar modules.
The Dutch specialty group believes its sand-resistant coating for solar panels will be particularly suitable for desert areas. The new technology is currently being tested at a solar plant in China’s Gobi Desert.
The new robot may make manual cleaning of large-scale solar PV plants a thing of the past.
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