Dr. Chai Chang Yii

Dr. Chai Chang Yii

Fakulti Kejuruteraan, UMS

Dr. Chai Chang Yii is a Senior Lecturer in the Electrical and Electronics Programme at Universiti Malaysia Sabah, specializing in high voltage engineering, smart energy metering, signal processing, and algorithm development. He holds a Ph.D. in Electrical Engineering from Universiti Malaysia Perlis and has extensive academic and industry experience, having previously served at i-CATS University College and trained with Sarahill Consulting Sdn Bhd and Sarawak Energy Bhd. A prolific researcher, Dr. Chai has published widely in prestigious journals and secured multiple research grants for projects on power cable insulation, sustainable energy solutions, and sensor technology. His contributions to innovation have earned him numerous awards, including Gold and Silver Medals at international competitions such as ITEX and the Taipei International Invention Show. He remains dedicated to advancing electrical engineering through education, research, and technological innovation.

Contact Information

Academic Department

Fakulti Kejuruteraan

Appointed Department

Fakulti Kejuruteraan

Education

Doktor Falsafah

Universiti Malaysia Perlis (Unimap)

2017

Ijazah Sarjana Muda Kejuruteraan (Kepujian) (Kejuruteraan Sistem Elektrik)

Universiti Malaysia Perlis (Unimap)

2013

Research

Projects

5

Active

3

Grants

RM 230,000.00


Publications

Total Publications by Year

Total publications by calendar year
Year Publications
2022 1
2023 7
2024 6
2025 7

Scopus Metrics

Scopus Profile

Documents

32

H-Index

10

Citations

318

Institutional

21

Research listing

Completed and ongoing projects

Showing 1 to 5 of 5 entries

DEVELOPMENT OF STEM PROJECTS AT SEKOLAH RENDAH KEBANGSAAN MELIKAI, MENUMBOK, SABAH FOCUSING ON ELECTRICAL ENGINEERING DESIGN.

Member

2025 - 2027

Investigate of efficacy of Rogowski coil by using segmented coil turn method in detecting cable insulation weakness

Leader

2024 - 2027

SOLAR ENERGY TO HYDROGEN GENERATION USING SEAWATER PROTOTYPE RESEARCH PROJECT

Leader

2023 - 2027

Multiple Partial Discharge Sources Localization Algorithm using Segmented Correlation and Trimmed Mean Data Filtering Techniques for Detecting Power Cable Insulation Degradation

Leader

2022 - 2025

THERMAL AGEING STUDIES ON THE ELECTRICAL PERFORMANCE OF NANOFILLED VEGETABLE OIL

Member

2022 - 2024

Publications listing

Note: publication data for the last 3 years will be displayed

Showing 1 to 5 of 8 entries

1.

ISMAIL SAAD , CHAI CHANG YII (2025), Adaptive denoising of partial discharge using absolute difference optimization versus artificial neural networks

2.

HERWANSYAH BIN LAGO , NUR AQILAH BINTI MOHAMAD , PUNGUT BIN IBRAHIM , AHMAD RAZANI BIN HARON , MEGAT MUHAMMAD IKHSAN BIN MEGAT HASNAN , CHAI CHANG YII (2025), Brain tumor detection and size estimation using microwave imaging

3.

LORITA ANGELINE , MUHAMMAD NUR AFNAN BIN UDA , NORFARARIYANTI BINTI PARIMON , UDA BIN HASHIM , CHAI CHANG YII (2025), Optimization of a nanoampere-to-millivolt amplifier for amperometric electrical biosensors

4.

MUHAMMAD NUR AFNAN BIN UDA , LORITA ANGELINE , CHAI CHANG YII (2024), Advancing COVID-19 detection: High-performance RNA biosensing via electrical Interactions

5.

MUHAMMAD NUR AFNAN BIN UDA , CHAI CHANG YII , LIAU CHUNG FAN , YOONG HOU PIN (2024), Comparative analysis of segmented correlation trimmed mean algorithm for locating random and static partial discharges in power cables