Vehicle-integrated photovoltaics for low-speed electric vehicles – pv magazine USA

2022-08-13 05:23:18 By : Mr. David Huang

Canadian startup Capsolar claims its flexible solar modules can be adapted to any type of low-speed electric vehicle with no extra modification and custom work. The panels have an efficiency of 21.3% and rely on 24%-efficient solar cells provided by US manufacturer SunPower.

Quebec-based startup Capsolar has developed a solar panel for vehicle-integrated applications.

“The CAPSolar ’ s SM – 550  solar  module  is  capable of maximizing the capture of solar energy in a  dynamic setting  by  reducing the impact of shading on its performance  while being as  robust and l ightweight  as possible when  fitted on  our  structure  which  can fit any type of low-speed electric vehicle,”  the company’s CEO, Samy Benhamza, told pv magazine.

The module has a size of 2, 100 mm  x  1, 3 20  mm x  25  mm and weighs in at 30 kg. It has a power conversion efficiency of 21.3%, an open-circuit voltage of 108.0 V, a short-circuit current of 6.4 A, and a fill factor of 76%. It can be operated with a maximum temperature of 45 C while driving and 55 C when the vehicle is parked.

The panel relies on 24%-efficient solar cells provided by US manufacturer SunPower. It also features an IP67 enclosure and an MPPT buck controller. “The solar  panel  itself is fully flexible  but when mounted on our structure, it conforms to  the  desired shape and becomes rigid .  In its layout,  strategically  oriented solar cell  series  help  in  better manag ing  different incidence angles  and  combined with multiple bypass  diodes ,  we have an optimal  shading  managemen t ,” Benhamza said.

According to the manufacturer, the panel offers a 70% higher  daily energy output  at the same power rating  as competitor products. The company tested the module in Montreal, Quebec, on a client’s vehicle and claims it achieved a 17% average range extension per day, with a peak of 26% on sunnier days.

“In collaboration with our European strategic partners in Belgium, we have developed a patent-pending, fully modular system that allows us to adapt our panels, just like LEGO, for each type of low-speed electric vehicle with no extra modification and custom work,” Benhamza explained.

Capsolar is currently collecting data  to  better  determine the parameters that have the most impact on the performance of  a vehicle- integrated  solar  module .  “We will then be able to feed this data to the  charge  controller  we are  designing  and  us e  artificial intelligence to optimize the  operating parameters of the  MPP – tracking  algorithm,” Benhamza concluded.

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More articles from Emiliano Bellini

Those curves cut solar output by 50% or more as they get shaded earlier than the rest. Since all are in series at that voltage, it cuts output a lot from bad solar angles to total shading.

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