Enertec offer professional advice

2016-06-28 06:00

WITH the threat of load shedding in the wings, insufficient power supply and never-ending electricity price increases, more people are considering moving their businesses or/and homes partially or permanently off the utility grid or decreasing their dependency on utility power.

While renewable energy is well-discussed, it is still a fairly unknown phenomenon in South Africa, and the idea of making a move can be quite daunting. “Where does one start? How much will it cost?” are some of the questions that come to mind.

As needs differ from one person to another there is no one-solution-for-all that can be offered. Ultimately, if what you select is not tailored to suit your specific requirements, you may end up buying the wrong equipment, or even sub-standard equipment, both which would have to be replaced to complete the installation of the systems, costing you more than what it was ultimately intended to save you.

Enertec has attempted to produce a guide to assist you make the right decision regarding your home requirements.

However, there are many variables in compiling this document and in addressing a very complex situation and there is no “easy fix”. The bottom line is we need to consider the following:

1. The total load (not necessarily the size of the inverter) that you wish to cover during power outages.

2. The total run time you will require per power outage.

3. The number of times per week you envisage power outages to occur.

4. How much you are prepared to spend.

It is important to understand that if you are looking for a temporary fix to load shedding, or a permanent fix to getting yourself off the grid, then you need to minimise, as far a possible, the appliances that are to be powered. (We call this a plug and play system.)

Should you require full back-up or “off the grid” system for home or office, this is a different situation altogether and you must contact our sales staff for more information.

The heart of the inverter system is the battery. Batteries come in various technologies and the life of these batteries is determined upon what we call the “cycle life”. The DOD (depth of discharge) and the recharge at various levels – 20%, 50%, 80% is basically the life span or the duty cycle of the battery

So if we say a battery has 350 cycles at 50% DOD, that is what it is and when the battery has completed the number of cycles its effectiveness as a standby battery is over. Our qualified sales team will be able to guide you accordingly. We are in extraordinary times with the Eskom power supply over which we have no control.

Please ask my staff as many question as you need to satisfy yourself that you have made the right choice to suit your application, the expected life of the system and the investment you are making. We are not electrical engineers and once again I stress that we can only guide and give basic advice. Should you need professional advice, please engage the services of an electrical engineer.

Our plug-and-play systems are designed to carry light loads - TV, decoder, a few lights for short periods of time. We cannot be held responsible for actions out of our control (where systems are run for longer than 2.5 hours, where the batteries are discharged to 100% DOD, where non-load shedding appliances are run – vacuum cleaners, hairdryers, electric lawn mowers, toasters, microwave ovens, etc.). These can be accommodated with permanent, bigger back-up systems.

Please be advised therefore that the following warranty conditions apply: a. All sealed wet technology batteries (Energizer and Enertec) – 6 months. b. All sealed AGM Dry Cell batteries (Discover) – 12 months.

It is imperative that the relative sale document is returned to Enertec Batteries in order for any warranty claim to be honoured. We hope this guide has been helpful in assisting you to make your choice. - Supplied

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