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How to Determine the Size – and Type – of Generator you Need

Power cuts have cost South African businesses a huge amount since load shedding began almost ten years ago - but for some customers, choosing a mobile generator can be almost as stressful as living with blackouts. Where to start - and what to buy? The range of portable power solutions and mobile generators available today, as well as their different sizes, types and voltages, can be extremely confusing - but help is at hand. If you want to protect your business against unplanned blackouts and power cuts but don’t know where to start, here is a quick guide to choosing the generator that will suit your needs and limit your downtime. Choosing the right phase type  Most homes and some offices are wired for one phase power - this is the standard 220-volt power type that most of us are familiar with. 
  • One phase power allows household appliances, office equipment and electronics to run without any trouble - but if your business uses industrial equipment, you probably have three phase power.
  • With a higher voltage of 380 volts, three phase power provides the electric kick-start that factory and industrial equipment requires in order to work correctly.
 Knowing your phase type is the first step in choosing a generator. One phase power requires a 220v unit, while a three-phase building will need a 380v generator. What’s your running load? Simply put, the more equipment you need to run, the bigger your generator needs to be. 
  • The running load of your premises is the sum total of the power used by all your equipment.
  • You should calculate this with the help of an electrician (while the machinery is actually running) to arrive at an accurate figure.
 It takes more power to start a machine that it does to keep it running.  As a general rule of thumb, your generator needs to have 5 times more horsepower than the machine it has to power up. It’s important to bear this in mind when you decide on the size of generator that you need. An investment in productivity that gives you control Don’t be left in the dark just because the power is off while your operating expenses are still on. Finding yourself at the mercy of load shedding or any power outage is an unpleasant experience for any business owner. With the right generator, you’ll be able to keep essential equipment running when the lights go out. For more information on our range of reliable commercial generators, contact us today. Our team is ready to advise you on the generator that best suits your company’s needs.

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