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String Inverters

Weekend Read: A 10 GW time bomb

It is estimated that 10 GW of solar modules in Germany suffer from prematurely aging backsheets, with sites of all sizes affected. pv magazine Germany’s Cornelia Lichner looks at how to detect and repair such defects.

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Chinese PV Industry Brief: Sineng expands inverter capacity by 25 GW

Sineng Electric says it will build a new factory in China’s Jiangsu province, while Huasun says it has commissioned 3 GW of bifacial heterojunction cell production capacity in Anhui province.

Solis targets South African C&I market with new hybrid inverter

Ginlong has announced the launch of its new Solis S6 Advanced Power Hybrid Inverter, with exclusive availability for South Africa.

Is it time to repower?

America’s booming solar industry has hit a major speed bump due to supply-chain disruption and the inflationary pressures driven by Covid, war in Ukraine, and trade restrictions with China. As a result, utility scale solar deployment dipped 40%, year-on-year, in 2022.

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Solax releases mini single-phase residential string inverters

Solax has introduced new products with nominal power ratings of 0.6 kW to 3 kW and efficiencies of 98%. It says the devices are compatible with heat pump systems and home EV chargers.

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Solax Power unveils string inverters for residential PV systems

Solax Power’s new string inverters have an efficiency rating of 98% and a European efficiency of 97%. They feature two maximum power point tracking (MPPT) channels, with nominal power ranging from 2.5 kW to 6 kW.

Weekend read: Elusive longevity

The expected lifetime of PV inverters is significantly shorter than that of modules. In many projects, inverter replacement is included in financial calculations from the start, despite the high costs. Research is being conducted into the causes of faults to develop more durable inverters and components. But plant design can already improve the lifespan of inverters in use today, reports pv magazine Germany’s Marian Willuhn.

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New algorithm to identify underperforming strings in PV systems

German researchers have created an algorithm to predict and identify string yield losses or underperforming strings without additional weather data. It could be used to inspect modules, strings, arrays, inverters, and transformers.

Solectria to optimize utility-scale string inverters for First Solar

US inverter supplier Solectria will optimize its XGI 1500 utility-scale string inverters for use with First Solar’s cadmium telluride solar panels.

Huawei tops inverter supply rankings for 2021

China’s Huawei has been named the world’s biggest inverter supplier for the seventh year in a row, followed by Sungrow and Growatt, according to Wood Mackenzie.

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