Zoran Gajic

Title: Zoran Gajic: Innovator in Electrical Engineering

Introduction

Zoran Gajic is a prominent inventor based in Västerås, Sweden. He has made significant contributions to the field of electrical engineering, particularly in the area of fault protection systems. With a total of 15 patents to his name, Gajic's work has had a substantial impact on the industry.

Latest Patents

One of Gajic's latest patents is titled "Energy based transient earth-fault protection for high impedance grounded networks." This innovative method allows for the determination of the direction of an earth fault in a feeder of a high impedance grounded power system using an Intelligent Electronic Device (IED). The process involves measuring a first order harmonic active current component and a higher order harmonic reactive current component to accurately identify the direction of the fault.

Another notable patent is the "Arrangement for injection-based ground fault protection handling." This arrangement includes multiple stator windings of an electric machine connected to a neutral point. It features a first transformer for measuring electrical quantities and a second transformer that injects a signal into the neutral point to enhance fault detection capabilities.

Career Highlights

Throughout his career, Zoran Gajic has worked with esteemed companies such as ABB Research Ltd. and ABB Technology AG. His experience in these organizations has allowed him to develop and refine his innovative ideas in electrical engineering.

Collaborations

Gajic has collaborated with notable professionals in his field, including Jianping Wang and Mustafa Ibrahim. These partnerships have contributed to the advancement of his research and inventions.

Conclusion

Zoran Gajic is a distinguished inventor whose work in electrical engineering continues to influence the industry. His innovative patents and collaborations reflect his commitment to advancing technology in fault protection systems.