From pv journal Brazil
Brazil’s photo voltaic vitality business is going through new issues as poor operational efficiency threatens to exacerbate current challenges in pricing, connection availability, and contract closure.
Based on analyst Vinicius Vitti, the Greener Summit revealed that from the three.4 GW of centralized technology mapped by Greener in 2022, 65% generated much less energy than anticipated. Within the case of distributed technology, the place the entire capability of crops exceeding 1 MW reached 103 MW, 41% was wanting expectations.
Among the many most typical failures recognized in distributed technology, the consultancy discovered that 44% are associated to the malfunction of the string inverters and 30.6% to the shortage of communication from the crops.
“There’s a lack of coaching for professionals,” mentioned Huawei O&M Supervisor Rodrigo Trigona. “There are a lot of issues in civil works and also you all the time need to redo. It creates a nasty legacy for the commissioning part, in a situation the place deadlines are tight.”
Entrepreneurs are inclined to underestimate the complexity of the solar energy plant system, which brings collectively completely different disciplines of information, resembling electrical energy, photovoltaics, community structure, and civil development, he added.
“We do distant start-up supervision and sometimes the plant is just not even seen beginning. We see chain loop, reverse present, intermittent communication. If the info is just not dependable, it’s not doable to know if the plant is definitely producing what is predicted,” defined Neto.
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