Diagram of the experiment
Picture: State Polytechnic of Ujung Pandang
Researchers at Politeknik Negeri Ujung Pandang in Indonesia have proposed utilizing vacuum strain to cut back the working temperature of PV modules.
“Amua The vacuum approach continues to be within the improvement stage,” researcher Suryanto Suryanto informed pv journal. “however our plan is to deliver it to market in some unspecified time in the future.”
The passive cooling methodology includes a casing of put a unfavourable strain across the PV module. Adverse strain is strain decrease than the prevailing atmospheric strain and is a situation the place the air strain is decrease in a single place in comparison with one other.
“If the strain in a room is lowered, it can decrease the temperature of the room,” defined the scientists.
They utilized it to a photo voltaic module a casing body manufactured from wooden materials with a thickness of 18 mm. The casing is roofed with 5 mm glass – sufficient to resist unfavourable strain. it makes use of a valve to permit air to be sucked from the casing by a vacuum pump and a strain sensor to measure strain circumstances within the PV casing chamber.
Utilized by researchers a temperature sensor to watch the higher and decrease a part of the PV module and a temperature logger to gather all the info. They in contrast the efficiency of the cooled panel with a reference module with out cooling at an ambient air temperature of about 35 C to 36 C.
They discovered that the cooled module had a present starting from 0.89 A to 0.91 A, whereas the reference module was solely 0.62 A. They noticed that the floor temperature of the PV panel underneath vacuum strain reaches a temperature of between 29 C and 30 C, whereas that of the uncooled module is between 44 C and 45 C.”
Suryanto stated that the addition of this cooling approach to the PV system could end in elevated prices of $30/kW to $50/kW.
“Due to the plans for mass manufacturing, we are going to critically contemplate it within the close to future, in fact with the cooperation of events within the business,” he concluded. “Additional investigation of know-how prices ought to be carried out in future work. “
This content material is protected by copyright and is probably not reused. If you wish to cooperate with us and need to reuse a few of our content material, please contact: [email protected].
