Lan Zhang

Title: Innovations by Lan Zhang: Pioneering Electrical Steel and Power Supply Solutions

Introduction

Lan Zhang is an accomplished inventor based in Shanghai, China. He has made significant contributions to the fields of electrical engineering and materials science. With a total of two patents to his name, Zhang's work focuses on enhancing the performance and efficiency of electrical components.

Latest Patents

Zhang's latest patents include a non-oriented electrical steel sheet with fine magnetic performance and a calcium treatment method for its production. This innovative method incorporates an RH (Ruhrstahl-Heraeus) refinement step, which consists of a decarbonization step, an aluminum deoxidation step, and a calcium alloy addition step. The timing of the calcium alloy addition is critical, ensuring that the production process remains efficient and cost-effective. The resulting non-oriented electrical steel sheet exhibits superior magnetic performance, making it suitable for mass production.

Another notable patent is the switching circuit for the master-slave feeding mode of low voltage power supply. This invention utilizes active switches to enhance switching speed while minimizing voltage drop and loss. It allows for seamless switching between master and backup power supplies, thereby improving system reliability and operational simplicity.

Career Highlights

Throughout his career, Lan Zhang has worked with prominent companies such as Alcatel and Baoshan Iron & Steel Co., Ltd. His experience in these organizations has contributed to his expertise in electrical engineering and materials development.