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Resistors protect turbines

By: Matthew White 10/07/2018 REO UK

Equipment General Turbines

With UK Government figures reporting that renewable energy accounted for almost 30% of energy generated, power quality specialist REO UK is focussing on ensuring reliable power generation for the future.

The company has launched the REO BW151 Resistor Kombi, a braking resistor for renewable applications such as wind turbines.

Braking resistors work to ensure the safety and longevity of electrical components. If there is surplus electricity in the circuit and it cannot be regenerated, then the energy will put excess wear on the electrical motor drive system, which will harm it.

Braking resistors absorb the surplus load that is created and convert it into heat. This also creates a braking effect, slowing down the moving mechanised load, which can make the movement much safer and protect the electrical drive system.

REO UK’s BW151 resistor has aluminium profiles for fast-temperature derivation or is also available as a water-cooled version. It provides a high-power density in a small area and has various switching and combination possibilities for different applications.

“As the renewable energy sector and the electric car market grows, there is an increasing need for electrical components that are well designed,” explained Steve Hughes, managing director of REO UK. “The UK Government will be investing £246 million in battery technology to help manage the storage of renewable energy. However, braking resistors are also an important component in ensuring the safety and efficiency of renewable energy generation.

“In wind turbines, the REO BW151 resistor is safe for use onshore and offshore. In faster winds, cyclical braking is introduced, causing the turbine blades to slow. By using a braking resistor, the excess energy will flow into it, away from the generator, reducing the weight and turning the load into heat.”

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Resistors protect turbines

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