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

Pay-As-You-Go Solar Charger – New Product Launch

With the DC-powered home or business in mind, this week sees the launch of the SHS 200 MPPT.

It’s a Pay-As-You-Go (PAYGo) enabled solar charger which provides power to DC appliances: Fridge; Television; Radio; Hair Clippers; and Mobile phone-charging for example.

This is how it works: When a customer prepays for electricity use – which he/she can do by mobile money transfer – they receive a code by text message (SMS) which is typed into the keypad of the SHS 200 MPPT. The device is then unlocked for a period of time – a few days…or a month – making power available to the customer.

Electricity provision has been shown to have a huge impact on the lives of families living far from the grid. For the domestic user a system of this size will typically provide sufficient daily power to run all the DC appliances normally found in an off-grid home. For the entrepreneur, reliable electricity is often the resource needed to start a business – using light-industrial power tools, or to refrigerate goods for sale, perhaps – which will have a life-changing impact on the whole community.

PAYGo

For service providers, the pay-as-you-go model extends the market to customers who – lacking sufficient capital to buy the equipment upfront – are, however, able to afford to buy it over time …whilst enjoying the benefits of electricity from the outset.

The SHS 200 MPPT uses OpenPAYGO Token technology – an agnostic PAYGo algorithm which allows distributors to work with their preferred PAYGo platforms (PaygOps, Paygee, Angaza, for example) – or even their own proprietary platform.

Power harvest, storage, provision

The SHS 200 MPPT can be combined with Solar Panels of up to 200Wp, and a 12V battery (lead or lithium) of up to 160Ah. It has 15 load output ports:

…and five ports offering 10.5VDC to 15VDC with overcurrent protection and resettable fuse, as follows:

Installations are designed to be modular – beginning small they can be extended to meet customer’s future requirements.

A larger model offering up to 800W will be available in the coming months.

 

SHS 200 MPPT uses the very latest technology to maximise power harvest and storage – including battery temperature sensing; built in protection against reverse polarity; battery over- and under-voltage protection; and over-current protection at the power outlets. Battery terminals can be provided with anti-tamper caps to avoid the supply of un-metered power.

The LCD screen provides system interface displaying information such as battery state-of-charge and power usage. For the service provider the screen offers engineering diagnostics. Three languages can be selected: English, French and Swahili.

You can view the SHS 200 MPPT at Global Off-Grid Solar Forum & Expo 2020 which takes place on February 18th – 20th, in Nairobi, Kenya.

 

 

 

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