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Yuasa winner

Yuasa have been awarded Battery Supplier of the Year for the second year running at the Workshop Power Awards. The world’s leading battery manufacturer picked up the prestigious trophy at a glitzy gala award ceremony at the top of Portsmouth’s Spinnaker Tower on 28 September.

I’ve been checking out a Tesla car today. The Model S is a superb piece of engineering. At its heart is a sophisticated and elegant combination of electronics, an electric motor and a fuel source: a lithium-ion battery pack. Fully discharge the battery (after 260 or so miles) and all you have is a car that won’t start. Plug the car into a rapid charging station (of which there are more and more opening up on our motorway services) and within two hours you can have a vehicle battery recharged to 80% of its total capacity.

When it comes to UPS battery testing there are two schools of thought. Do you go with impedance testers or conductance testers. Impedance testers tell you if a battery has failed. Conductance testers measure the health of a battery. Given these two simple definitions, impedance testers can give you a quick ‘fail/pass’ indication and conductance battery testers and on-going analysis as a battery ages.

Rechargeable batteries have been around for awhile but they are getting more attention now than ever before. Consumers are more aware of the impact that even little things like those batteries that run kids toys and other small devices have on the planet.

When you are looking to install an uninterruptible power supply one of the first to assess is the runtime time you want to build into your UPS installation. Runtime is the amount of time your UPS system will be expected to run for when the mains power fails. The amount of time relies on the choice of a suitably sized energy storage component.

Whenever you install an uninterruptible you put a lot of faith in the quality of every component within it and no more so than the battery set. Yet, the batteries are the one component whose reliability will degrade over time and with some rapidity. You also place a lot of faith in your chosen UPS supplier, who may choose the lowest cost blocks and mask this with a long product warranty.

The battery set within your uninterruptible power supply is an energy storage device and one that provides a Direct Current (DC). The battery set may consist of one or more battery strings. If there are two or more battery strings they may have to be connected through a battery transition box via battery isolator to the UPS system DC rail. The battery string will consist of a set number of battery blocks or cells.

A UPS will only work for you if the battery is up to date and in working condition. The Uninterrupted Power Supply system or UPS, provides protection to your computer and other systems in the event of a power surge.

We are now approaching the time of year when our National Grid is stressed. Winter months mean more demand for electricity and potentially less availability of renewable resources like solar and wind farms. The sun’s radiation and availability time is less and whilst it can be windy, turbines are idled back to prevent damage from overrun With this in mind, its even more likely that your UPS system will have to kick-in and fill momentary power breaks or even longer if there is a complete mains power failure.

We’ve all seen the recent Volkswagen advert based on the old adage of ‘buy cheap, buy twice’ but how many data centre managers regard the batteries within their UPS systems as a parachute or safety rope?

The batteries within an uninterruptible power supply are a consumable item and will require replacement during the working life of a UPS system. The standard battery used is a sealed lead acid (SLA) maintenance free battery with a design life of either five years or ten years. The actually working life of these battery design types is typically 3-4 years or 7-8 years respectively.

With the phrase eco-friendly tossed around quite a bit in recent years, many people may have forgotten (or never knew) what it actually means. It’s been used for so many different products as the latest buzz word on commercials and across social networks the real meaning may be in danger of becoming lost.

There is a growing worldwide interest in energy storage and the technologies available to achieve this. At the grid level there are large scale energy storage schemes (https://en.wikipedia.org/wiki/Grid_energy_storage) including pumped-hydro storage, flow batteries and compressed air. Further down the supply chain local energy storage (LES) systems are evolving coupled to renewable installations including solar PV arrays and wind turbine.

UPS batteries have a finite working life and at some stage during the lifetime of your uninterruptible power supply the battery set will require replacements. The actual working life is dependent upon a number of factors.

At some time during the working life of your uninterruptible power supply it will be time to fit replacement UPS batteries. This will depend upon the design life of the batteries fitted and several other factors.

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