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Monday, 20 April 2018 08:88

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Mobile & Tenant Transportable Micro-Grids

Generating/Harvesting & Storing Solar & Wind energy in a Portable system is something that until recently was Not really available.

However, it is an affordable Investment for Tenants living in Apartments or Homes, although Motor Homes have been using mobile Micro Grids for decades.

We are designing a totally portable Micro Power Grid system, with kWh storage capacity required by Tenants, but are not easily moved if or when needed.

There are several types of Portable Energy Storage Modules, in recommend order of longevity below;

  1. We first recommend Super Capacitor (SC) Energy Storage Modules with an extremely quick Recharge, and there non combustible Graphene-n-Paper Dry cell technology, is the latest & greatest SC energy storage modules, these come with built-in Cell Management System (CMS).
    NB: SC can be Charged in 10~30minutes, unlike ANY other energy storage technology!
    Graphite Hybrid SC Cells boast 30'000+ cycle life, where Graphene SC Cells boast 50'000 Cycle Life.
    SC Modules can be ordered with 48V~72V DC Output and only need Hybrid Inverter or Charge Controller to Charge the Module.
  2. The 5Wh~10kWh Lithium-Iron Energy Storage Modules, (LiFePo4) are a Safer Energy Storage than Lithium-ion (TESLA) battery below.
    The unit comes in Space age Box, incorporated with 3.5kW pure-sine inverter.
  3. A Suitcase 1kWh~3kWh Vigor-Box Lithium-ion Energy Storage Modules, with inbuilt Inverter, comes in 3kWh Nickel-ion (NiFe) Energy Storage, net. 25kg, 30kg Crated.
    This unit comes in Space age Box, incorporated with 3.5kW pure-sine inverter.  The Vigor-Box unit offer easy to set-up & use Portable micro-grid, that provides customers with the ability to simply set-up a Mobile unit, that is easily to transport from one location to another, very similar to what a Motorhome & 4X4WD would set-up when they get to there Camp site, but more simpler, as a Vigor-Box is a single unit!

What makes other portable Micro Power Grid (MPG) different, is that Super Capacitor or LiFePo4 Batteries & Inverter can be mounted onto 18mm Ply-board sheet, that becomes the Power board inc. Disconnect switches & Fuses.

Firstly: This can be accomplished by using lightweight 300W Flexible Monocrystalline solar modules (160cm x 60cm x 3mm, 3.5kg each), these are manufactured with special eyelets for variable mounting options, like being hung on veranda areas or tied in place to cover windows that are exposed to sun, possibly whilst at work!

Obviously, each premises would be configured in a way that suits the location, if the area is prone to Shading, we recommend you fit a Micro-inverter to stabilise the fluctuating energy.

Secondly: Run the DC or AC wires form the Solar panels too the inverter, and another pair of wires running from the inverter battery management system (BMS) to the Battery for charging, DC wires are relatively safe and can be wired by a Handyman or Electrician, as 12~48V DC wiring is reasonably safe, as Low voltage DC wiring is just like the wiring on your vehicle!

CAUTION: From the inverter or Micro-inverter's, the output of 240V AC and Dangerous, and should be undertaken by an experienced person!

  1. If you system can't harvest sufficient energy to store & go off-grid, the State Grid mains wires can be wired straight into the Hybrid inverter, then the only time energy from the state grid will be used, if the Battery voltage drops below a set level.
  2. Inverters 240V AC input wires, need to have a Disconnect switch if connect to the Original 240V AC power box/fuse box, this becomes the back-up power supply for the premises, and should be wired by a licence electrician.

NB: An apartment or home, you don't actually need to Export power back to the State Grid, unless you want to go through the process of certification.

It's not rocket science, as an example, the wiring is exactly the same as if you were wiring a mobile camper van or 4X4WD, where you have the option to utilise a 240V power input from an external power source, like a Generator &/or State Grid at a Caravan park!

After all that, you may be thinking where are you going to fit the solar panels in a unit for example, well this is where every location will be different.

Firstly, there are three main types of solar panels that can be used, in recommended order;

  1. Flexible & light weight Monocrystalline solar panels commonly weigh up to 3kg each, and are great at harvesting energy anywhere you hang/mount them, there are two main types.

    A) ETFE (Ethylene-Tetra-Fluoro-Ethylene) is a high-strength fluorine polymer that is corrosion and stain resistant, non-stick self cleaning, and retains its clarity (and therefore light transmittance) ensuring long service life for solar panels.
    B) PET is a cheaper polyester-based plastic.  The main differentiating factors between the two is strength, durability, and resistance to corrosion.

  2. Flexible & light weight Amorphous solar panels are our first choice when it comes to low light & shaded situations, as they are superior at harvest low light energy, there are also ridged transparent Amorphous solar panels, these are good at harvesting light of a reflective backgrounds.
  3. Standard 20kG rigid framed Monocrystalline solar panels can also be used, they are more efficient but heavier.

All that depends on where the sun strikes the panels & for how long, be it the windows, verandas and awnings, as with Fixed & Tilted panel installed in direct sunlight, will Only generate peak energy for approx. 4.5 hours!

NB: Our standard Longi 435W, Half-cut, Monocrystalline solar panels are very suitable for shading, if you have the room to mount them onto a wall or even a purpose made privacy/shade screen, or build your own shutter type blinds that can be swung to cover say a glass sliding doors or windows to harvest the sun energy whilst you are at work.

In summer any areas fitted with solar modules would block the sun from entering an area, thus keeping the area cooler.


Ask us if you are interested in purchasing a Mobile Micro Grid!


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