Home / All Innovations / Innovation Details
Image

Inter-turn short-circuit fault detector for motor rotor winding.

Description: This invention presents a novel device based on the principle of EM induction for detecting rotor winding inter-turn short circuit fault. It allows users to determine the current health of a rotor winding of an electric motor quickly, and accurately, preventing catastrophic motor failure.

Motors deteriorates when operate under stressful conditions may lead to catastrophic motor failures from winding faults. This invention presents a novel device for detecting rotor winding inter-turn short circuit fault and this operates based on the principle of the electromagnetic induction and consists of two parts: (1) An EM generator that energizes rotor winding inter-turn. (2) An EM probe that precisely positioned a ferrous metals strip near the rotor winding under test for detecting winding inter-turn short circuit fault through mechanical vibration. This invention allows its user to easily, quickly, and accurately determine the current health of a rotor winding of an electric motor.

Organisation: The Workers’ Children High School of Macao, Macao, China

Innovator(s): Author(s) Ka-Wai HUANG, Chi-Kit WONG, Si-Teng WU, Yi-Xing LIANG

Category: Young inventors

Country: Macau

Gold Award