FEATURE
energy efficiency efforts. The most prevalent form of distribution transformers are manufactured using cold rolled grain oriented silicon steel (CRGO) laminations. However, as ageing transformers approach the end of their life cycle, many facilities are eager to upgrade to maximise efficiencies and reduce electricity consumption, and it is evident there is a requirement technology that is more effective in delivering increased sustainability.
One such technology is the amorphous alloy core. In comparison with traditional CRGO ‘rigid’ cores, amorphous alloy has a flexible atom structure that allows for easy magnetisation and demagnetisation to take place. It is the faster rate of switching magnetisation that delivers improved efficiencies and, therefore, reduces load losses and as a result minimises CO2 emissions.
Amorphous core technology is already a well-recognised solution across the distribution transformer industry. As a result, the mature technology has been widely studied and tested across a number of applications. Compared with ageing CRGO distribution transformers generally, the amorphous core can deliver up to 75% lower core electricity losses.
Additional benefits can be provided by installing a bespoke distribution transformer that is specified to exact site requirements. When such measures are taken, distribution transformers can assist in delivering site resilience and protect against issues in the grid supply voltage, such as fluctuations. Through such voltage management measures, many facilities managers will have the ability to reduce the expensive and unnecessary overvoltage supplied to a site through the high voltage (HV) infrastructure, prior to reaching the low voltage (LV) infrastructure.
www.powerstar.com/solo. “
www.tomorrowsfm.com
Even though distribution
transformers play a vital role in the electricity supply of
larger environments, many do not deliver
optimum performance and cannot be
frequently monitored.
TOMORROW’S FM | 43
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