Field test: PV Modules

A real world comparison between Mono, Poly, PERC and Dual PV Modules.

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Romania
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Installation date: 09-03-2020
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Irradiance

* This is a field test and the results are specific for this installation on this location please research which is the best solution for your own situation as the results can be different based on environmental influences.

Total solar yield as of 27/03/2023 when the results were reset:
Mono: 9158 kWh
Split-cell: 9511 kWh
Poly: 9113 kWh
Perc: 9471 kWh
Perc-east: 1970 kWh
Perc-west: 1730 kWh

Three-Phase, Grid-tied, Energy Storage System …Czech it out

Helped by a generous state subsidy, Czech used-truck dealer Dvorák Trucks have been able to dramatically increase self-consumption from their PV array, and provide themselves with greater three-phase energy security.

This very tidy installation was designed by Asolar in association with the Czech and Slovak Victron distributor Neosolar

Dvorák Truck – Servis s.r.o.  – who buy and sell trucks trailers and plant – already had a 51kWp solar array but weren’t able to take full advantage of the power those panels produced without battery storage. One of the advantages of the Victron Energy’s Inverter/Chargers is their compatibility with a wide range of battery technologies – allowing Dvorák Trucks to incorporate a bank of 12 BMZ ESS7 Lithium ion batteries providing 81.6kWh to their Victron Quattro inverter/chargers, configured for 3-phase power output – with no issues.

Three Phase

Three Victron Quattro 48/10000 inverter/chargers provide three-phase power to their maintenance and repair workshops.

 

A mains inverter and three-phase energy meter is installed on their grid-tied system. Victron equipment is accredited with a long list of compliance certification – making it possible to build Energy Storage Systems which can be connected to the national power grids throughout the world.

Maximising self-consumption

Dvorák Trucks now enjoy greatly increased self-consumption of power they produce which saves money; provides an uninterrupted power supply; offers a peak power capability of twice the continual power rate; allows powerful battery-charging; AC current limiting – to prevent overloading the grid; and enables the PowerAssist function – a feature of the Quattro which adds battery power to grid-power in order to meet high demand.

The Quattro has two AC outlets – allowing it to ‘zone’ power supply into ‘essential’ and ‘non essential’ equipment. If there is no AC input – during a power outage for example – the Quattro will automatically disconnect non essential loads such as air conditioning, for example.

Dvorák Trucks, buy and sell, maintain, and valet Trucks, Coaches, Plant, and Vans – during a power outage, at night, or when the sun is not-so-bright, the features of their new installation allow the workshop to keep on trucking.

Justin Tyers

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