Power transformer manufacturer relies on Yokogawa power analyzer to optimise their efficiency guarantees

By using the Yokogawa WT5000 Precision Power Analyzer, Società Elettromeccanica Arzignanese S.p.A (SEA), an Italian manufacturer of power transformer and reactors with a worldwide reputation for engineering excellence and high production quality, is able to closely match the efficiency performance guarantee that it makes to a customer, with the actual performance of the transformer.

Founded in 1959, SEA supplies high-value assets which are expected to provide a return over decades. Quality, durability, safety and reliable performance are therefore key characteristics that customers are looking for when they specify a new transformer or reactor.

Transformers play a crucial role in the transmission and distribution of electrical energy; they precisely regulate the voltage of the electricity supply as it is transmitted from power stations to homes, offices, factories and high power consumers, such as railways. There is always some power loss when one voltage level is changed to another. In a transformer operating at transmission-network voltages of tens of thousands of volts, the loss of even a fraction of 1% of the converted power can result in losses of many thousands of Watthours of energy every year.

A primary requirement is therefore to make a transformer as efficient as possible to reduce both the financial loss and the emissions of greenhouse gases, and other pollutants, when generating the extra energy required to make up for the power lost in transmission.

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