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Current issue

ELEKTRO 2/2017 was released on February 17th 2017. Its digital version will be available on March 10th 2017.

 

Topic: Electrical appliances – switching, protective and signalling; Devices for smart grids

 

Main Article

Atypical concept of DC power supply source for high current consumption

SVĚTLO (Light) 1/2017 was released on February 7th 2017. Its digital version will be available on March 7th 2017.

Fair and exhibitions
Invitation on LIGHT IN ARCHITECTURE exhibition 

Architectural and scenic lighting
Lighting design in a nutshell
Spiegeltent illumination and its specificity

Pumping efficiency into electrical motors

01.08.2014 | |

University of Adelaide researchers are using new magnetic materials to develop revolutionary electrical motors and generators which promise significant energy savings.They have used the new motors to develop patented highly efficient water pump systems with potential widespread application.

"In the developed world, more than 50% of all energy generated is used by electrical motors," says lead researcher Associate Professor Nesimi Ertugrul, from the University's School of Electrical and Electronic Engineering. "This leaves a lot of room for efficiency gains."

The University of Adelaide researchers have used two emerging magnetic materials - called soft magnetic composite (SMC) and amorphous magnetic material (AMM) - and two novel production techniques to form the 'stator' within the electrical motor or generator. Both new techniques have been successfully developed and tested with small prototypes, showing substantial energy efficiency gains - up to 90% energy efficiency in small motors compared to 60-70% in conventional motors. 

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Picture: Guangzhou QIDA Material & Technology Co., Ltd