Dan Liljengren

Title: Dan Liljengren: Innovator in Power Grid Technology

Introduction

Dan Liljengren is a notable inventor based in Malmö, Sweden. He has made significant contributions to the field of electrical engineering, particularly in the area of power grid technology. His innovative work focuses on reducing disturbances in power grids, which is crucial for maintaining the stability and efficiency of electrical systems.

Latest Patents

Dan holds a patent for a T-filter designed to reduce disturbances generated on a power grid by an active filter. This active filter compensates for variations in an apparatus' current consumption from the power grid, which can cause fluctuations in electrical load. The invention includes a transistor bridge connected to each phase of the power grid and features an LCL-type filter circuit to minimize disturbances caused by the active filter itself. Additionally, the active filter is equipped with a control device that calculates the optimal timing for reversing the current direction through the DC-link, ensuring effective operation at a specified working frequency. Dan has 1 patent to his name.

Career Highlights

Dan is currently employed at Comsys AB, where he continues to develop innovative solutions for power grid management. His expertise in electrical engineering and commitment to advancing technology have made him a valuable asset to his company and the industry as a whole.

Collaborations

Dan collaborates with Peter Ström, working together to enhance the effectiveness of their projects and contribute to advancements in power grid technology.

Conclusion

Dan Liljengren's contributions to the field of power grid technology exemplify the importance of innovation in electrical engineering. His work not only addresses current challenges but also paves the way for future advancements in the industry.