Kenichiro Soma

Title: Kenichiro Soma: Innovator in Electrical Insulation Diagnostics

Introduction

Kenichiro Soma is a notable inventor based in Ibaraki, Japan, recognized for his contributions to the field of electrical insulation diagnostics. With a total of four patents to his name, Soma has made significant advancements in methods for diagnosing insulation deterioration in electrical apparatuses and power cables.

Latest Patents

Soma's latest patents include a method for diagnosing insulation deterioration of an electric apparatus. This innovative approach involves applying an alternating current voltage to the insulation of two conductors, allowing for the detection of a direct current component of the charging current. By amplifying this component, Soma's method determines insulation deterioration based on the absolute value of the amplified direct current. Another significant patent focuses on diagnosing insulation deterioration in power cables, particularly those insulated with rubber or plastic. This method measures the charging current flowing from the power cable to the ground and calculates stray current. By detecting the direct current component and calculating the intrinsic direct current component, the level of insulation deterioration can be accurately diagnosed.

Career Highlights

Kenichiro Soma is currently employed at Hitachi Cable, Inc., where he continues to develop innovative solutions in electrical engineering. His work has been instrumental in enhancing the reliability and safety of electrical systems.

Collaborations

Soma has collaborated with esteemed colleagues such as Kazuo Kotani and Nobuju Takaoka, contributing to the advancement of technology in their field.

Conclusion

Kenichiro Soma's innovative methods for diagnosing insulation deterioration have made a significant impact in the electrical engineering sector. His work at Hitachi Cable, Inc. and his collaborations with other professionals highlight his commitment to advancing technology in this critical area.