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By Sona Brands

On 9, 2023

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Sona Solar Zimbabwe will help you to provide power through those difficult load shedding hours and other unplanned power failures.

The products that Sona Solar Zimbabwe suppliers are particularly well suited for homes, rural homes, farms and guesthouses.

These systems should also be considered for small businesses such as restaurants, shops, medical practices, pharmacies, workshops, etc. where data capture/transfer is not necessarily critical.

No noise, no petrol/diesel, no fumes.
Seamless, instant, 100% automatic backup power.

Individual shops in shopping centres would find these systems ideal as they can basically be installed anywhere unlike generators. Sona Solar Zimbabwe offers cost-effective, reliable and carefree back-up systems.

On average these systems need about one sq. meter of space only.

The advantage of these products is that you don’t have to install a noisy generator. Generators need constant refilling and maintenance and are not ideal for residential areas or for small businesses where noise and pollution from the exhaust are a problem.

The systems offered here consist of either a modified sinewave or a sinewave inverter; with a built-in battery charger, automatic changeover switch and a large battery bank. Frequently asked questions are answered on this page.

How do these systems work?

The unit is permanently connected to utility power so that while mains is present the extra large built-in battery charger recharges the batteries and keeps the batteries fully charged until a power failure occurs. The equipment you want to back up is also permanently connected via the system.

Sona Solar Zimbabwe Backup Systems for Power Failures in Zimbabwe!

In case of a power failure the backup system automatically switches over, via an extra fast transfer switch to the inverter, which will continue to provide power to the equipment within 15 msec.

This is extremely fast and standard equipment like TVs, DSTV decoders, fans, etc. are unaffected. The sinewave systems can also backup computers but it is possible that a very small percentage of computers could reset during the switchover time.

When utility power returns, the whole procedure is reversed and the unit will switch back to utility power and will automatically start re-charging the batteries. Your equipment remains connected to the system even when power is restored. The whole process is fully automatic.

System Example: Plug ‘n Play Backup Power
System Example: Professional Backup Power System

How long will the inverter system run when there is a power failure?

The amount of backup time is determined by the size of the connected battery bank and the load drawn from the system. The backup time is directly in proportion to the load drawn. The backup time is normally calculated at full load (i.e. if the system is a 30000VA system, full load is 3000VA). If you remove some of the connected load, then the backup time will be extended accordingly.

How long does it take to charge the batteries when utility power returns?

The recharge time of the batteries depends on how much power was removed from the batteries during a power failure. The recharge times in the catalogues is indicated at full battery discharge.

If there is a planned power outage, can the system last for the full power outage time?

Yes, but the system has to be correctly sized to begin with. These systems are capable of bridging power outages from 2 – 24 hours or (e.g. for 2 hours per day twice a day) as the battery chargers are powerful enough to recharge the battery bank to cater for the second outage on the same day (providing there is enough time between the 2 outages – at least 4-6 hours). Again this process if fully automatic.

Installation

The smaller systems can be used as stand-alone systems or can be wired into your DB board. The larger systems can also be used as stand-alone systems but it is by far more convenient if they are hard-wired into your DB board. Sona Solar Zimbabwe will provide support, such as block diagrams, for the electrical installation.

Maintenance

These systems require minimum maintenance. Batteries are maintenance free. It is recommended that battery sets are installed in a battery cabinet and are locked in a room with ventilation, where small children do not have access. As with all batteries, these batteries can be dangerous if tampered with.

Sona Solar Zimbabwe Backup Systems for Power Failures in Zimbabwe!

Inverter based long backup systems do have a small break when they switch over to backup power (irrespective of the inverter system brand or model). The higher quality systems, which Sona Solar Zimbabwe supplies, switch over in a very short time and it is hardly noticeable. Inverter backup systems incorporate larger battery chargers which allows larger battery sets to be installed which results in much longer backup times than UPS systems.

You can connect the following appliances to the inverter systems as long as the total power consumption does not exceed the maximum VA rating of the unit:

Small to large Plasma or LCD TV.
DSTV and OpenVew decoders.
Surround sound systems.
5 to 10 energy saver lights.
Fridge and deep freezer.
Home alarm system
Automatic garage door motor
Intercom
Electric fence.
some standard home Power tools

Avoid connecting the following items which have high inrush currents or use a lot of power:

Geysers
Heating
Stoves
Air conditioners
Washing machines
Tumble driers
Dishwashers
Pool motors

The larger inverter systems (5kW, 6kW, 8kW and 10kW systems) are able to run most of the more ‘power hungry’ items.

Some of the more sophisticated systems are also available in three phase up to 72kVA.

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Sona Solar Zimbabwe – Your Trusted Partner for Solar Energy Solutions

Sona Solar Zimbabwe provides premium Solar Panels, Lithium Batteries, Inverters, and complete Solar Systems for homes, businesses, and industries. We also specialize in expert Borehole Drilling Solutions and Solar-Powered Water Systems. Trust our experienced team for professional Solar installations in Harare, Marondera, Mutare, Chitungwiza, and across Zimbabwe, delivering reliable, efficient, and cost-effective renewable energy solutions.

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