This study offered 4 schemes and the potential to be used in procuring vaccine cold storage in remote clinics. Schemes Cold Storage Ice Maker and Cold Storage Ice Maker-PCM are more
critical insulation design for the cold storage and also material charging and delivery a scheme of solar PV-based cold storage will be a promising idea for short term storage facility for the
The capacity of the designed cold storage is small and initially it is designed for 10 t capacity. The paper includes design aspects of the developed smart solar-powered cold storage as well as its installation and operation procedures, heat load calculation for optimum system, performance assessment and cost-benefit analysis. 2.
The developed solar-powered cold storage is a low cost, simple and energy-efficient unit. Installation, operation and maintenance costs of the cold storage are also less. The cold storage is integrated with IoT-based sensors for remote monitoring and controlling of temperature and humidity as well as tracking of the stored items.
The project is focused on design and development of a novel solar powered cold storage system, which can be, used for the storage of 200 kg vegetables (potatoes at present) in the temperature range of 4-6 ˚C. As the energy requirement observed for one day was around 9kWh; which is huge for such a small cold storage.
The designed cold storage is capable to provide savings in initial establishment cost which includes investment in installation cost and equipment cost. The AC unit and other equipment installed in the designed cold storage consume less electricity than conventional refrigeration-based cooling systems.
Fig. 1. Block diagram of the designed cold storage. The cold storage chamber mainly includes an AC unit, temperature sensor, humidity sensor, door sensor, LED tube lights, fan and an alarm system. For power generation, a number of solar panels are connected to operate the cold storage.
The study found that these systems are a viable option for farmers, as they can save them money on electricity costs. Sharma et al. (2022) developed a solar-powered potato cold storage system that is efficient, cost-
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