The 679 kW plant in Tabatinga in Minas Gerais
Picture: Horizonte Energia
From pv journal Brazil
Brazil’s photo voltaic vitality trade is going through new considerations as poor operational efficiency threatens to exacerbate present 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 full capability of vegetation exceeding 1 MW reached 103 MW, 41% was wanting expectations.
Among the many commonest 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 vegetation.
“There’s a lack of coaching for professionals,” stated Huawei O&M Supervisor Rodrigo Trigona. “There are various issues in civil works and also you all the time need to redo. It creates a foul 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 mixes totally different disciplines of data, similar to electrical energy, photovoltaics, community structure, and civil building, he added.
“We do distant start-up supervision and infrequently the plant isn’t even seen beginning. We see chain loop, reverse present, intermittent communication. If the information isn’t dependable, it isn’t potential to know if the plant is definitely producing what is anticipated,” defined Neto.
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