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Monthly Archives: November 2020


Off-Grid Traffic Lights – Oman

Two Off-Grid Traffic Light Systems to be placed in the desert of Oman. The Traffic Light consumes 250Wp - 6kWh / day with 2 days autonomy requested. JUA Solution: All-in-one cabinet with strong ventilation for heat resistance. Mppt Charge controller 48V 120A 2 MPPT (200-600Vdc); Hybrid Inverter 4kVA + JUA Control Board; 7.4kWh LiFePo4 battery pack.

By |2021-01-19T15:38:14+01:00November 11th, 2020|Off Grid, Technology, Trending|

Micro-Grid – Tunisia

Study and development of a Micro-Grid with application in the Agricultural Field. One Big System called “Central” with 3kWp PV, 6kVA Hybrid inverter and 5kWh LIFePO4 battery pack is in charge to create one grid in 220V 50Hz. The Central System with JUA Control Board is able to manage other 4 Systems called “Satellites”: 4 Solar Hybrid Inverters with

By |2021-01-19T15:34:17+01:00November 11th, 2020|Africa, Design, Micro-Grid, Off Grid, Technology|

JUA at Micro-Grid Academy

In June 2020 JUA took part in the Micro-Grid Academy course RenewABLE Energy Systems for Covid Health Centers, coordinated by RES4Africa Foundation, where AVSI Foundation and University of Rome La Sapienza were project leaders. During the Academy, JUA technical team analyzed the consumption data from 11 Health Centers operating by AVSI, a non-profit organization founded in 1972,

By |2021-01-19T15:30:20+01:00November 11th, 2020|Africa, Charity, Climate Change, Sustainability, Technology|

Floating Hotel – Switzerland

Small and unique hotel floating on a Switzerland lake, composed of one room for 4 people and the Reception. The main loads are: Air Conditioning, Lights, Television, Micro-Wave. JUA Solution: Energy produced by 3kWp PV modules and 2 Wind Turbines 500W 24V; 1 mppt Charge Controller 24V 80A; 1 Hybrid Inverter 2.4kVA 24V (peak 6kVA 5

By |2021-01-19T15:24:46+01:00November 11th, 2020|Creative, Design, Europe, Featured, Off Grid, Sustainability, Technology|

ILS Air Monitoring Device – Equatorial Guinea (Corisco International Airport)

The Instrument Landing System (ILS) of Corisco International Airport, Equatorial Guinea, needs 200W per 24 hours / 4.8kWh per day and three days autonomy. JUA Solution: 1 mppt charge controller 48V 80A (150Vdc on mppt); 1 Hybrid inverter 2.4kVA; 20kWh OPZV battery pack; 5.7kWp PV power (20 modules 285Wp in 2 string of 10 modules);

By |2021-01-19T15:18:08+01:00November 11th, 2020|Africa, Off Grid, Reliability, Technology|

Off-Grid Luxury Villa – Greece

The Greek island of Folegandros has an electrification rate of 50%. Our Customer needed a reliable energy supply 365 days/year. JUA Solution: 15kWp PV power; 8kVA Hybrid Inverter + JUA Control Board; 2 Mppt Charge Controller 120A 48V; 50kWh OPZV battery pack; Diesel Generator 10kVA for cloudy days.  

By |2021-01-19T15:20:21+01:00November 11th, 2020|Europe, Off Grid, Reliability, Technology, Trending|

NDB Radio Transmitter Device – Libya

The NDB Radio Transmitter Device needs 350W per 24 hours / 8.4kWh per day and three days autonomy. JUA Solution: 2 mppt charge controllers 48V 70A; 1 Hybrid inverter 2.6kVA + JUA Control Board; 48kWh OPZV battery pack 6kWp PV power (18 modules 335Wp in 2 string of 9 modules, one string per charge controller).

By |2021-01-19T15:19:36+01:00November 11th, 2020|Africa, Featured, Off Grid, Technology|


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