Huawei has released a white paper regarding the safety and performance of its Smart Module Controller optimizer series.
Huawei has released a white paper with certification agency TÜV Rheinland. It claims that its Smart Module Controller can shut down inverter voltages in 25 seconds (DC) and 11 seconds (AC).
“Based on the buck circuit, Smart Module Controller Solution adopts the ‘optimizer + two-stage inverter’ architecture,” the company said. “With optimizers installed, PV modules are optimized independently to achieve maximum yield.”
Huawei conducted tests with TÜV Rheinland. In the first test, they measured the ability to shut down the maximum power point tracking (MPPT) inverter quickly.
“The only option is usually to let the PV system burn in a controlled way until all the PV modules burn out. This method will prolong the fire and cause heavier property losses,” the company said. “It is necessary to adopt comprehensive measures such as rapid shutdown technology combined with intelligent arc fault detection to improve the safety of distributed PV.”
Huawei also claims in its white paper that its optimizers could raise yields of PV systems by up to 30%. It said that by installing optimizers in a shaded roof area, a school could improve its yield by 25.9%.
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