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, UMS

Appointed Department

Fakulti Kejuruteraan, UMS

Education

Doktor Falsafah

Universiti Malaysia Perlis (UniMAP)

2017

Ijazah Sarjana Muda Kejuruteraan (kepujian) (kejuruteraan Sistem Elektrik)

Universiti Malaysia Perlis (UniMAP)

2013

Research Collaborators

Research

Projects

5

Active

3

Grants

RM 230,000.00


Research Interests & Expertise

Electrical And Electronic Engineering - Electrical Power System

Electrical And Electronic Engineering - High Voltage

Electrical And Electronic Engineering - Algorithms and Techniques for Signalling Processing

Mathematical Sciences - Mathematical Algorithms

Publications

Total Publications by Year

NOTE: N/A = Data not available, 0 = Data not completed


Scopus Metrics

Scopus Profile

Documents

31

H-Index

10

Citations

299

Affiliation

Universiti Malaysia Sabah

Research listing

Current Research Projects

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 - 2026

Solar energy to hydrogen generation using seawater prototype research project

Leader

2023 - 2026

Publications listing

NOTE: PUBLICATION DATA FOR THE LAST 3 YEARS WILL BE DISPLAYED

Showing 1 to 10 of 11 entries

1.

Chai Chang Yii , Ismail Saad (2025) , Adaptive Denoising Of Partial Discharge Using Absolute Difference Optimization Versus Artificial Neural Networks

2.

Nur Aqilah Binti Mohamad , Pungut Bin Ibrahim , Herwansyah Bin Lago , Ahmad Razani Bin Haron , Chai Chang Yii , Megat Muhammad Ikhsan Bin Megat Hasnan (2025) , Brain Tumor Detection And Size Estimation Using Microwave Imaging

3.

Muhammad Nur Afnan Bin Uda , Uda Bin Hashim , Lorita Angeline , Norfarariyanti Binti Parimon , Chai Chang Yii (2025) , Optimization Of A Nanoampere-to-millivolt Amplifier For Amperometric Electrical Biosensors

4.

Lorita Angeline , Muhammad Nur Afnan Bin Uda , Chai Chang Yii (2024) , Advancing Covid-19 Detection: High-performance Rna Biosensing Via Electrical Interactions

5.

Herwansyah Bin Lago , Ahmad Razani Bin Haron , Pungut Bin Ibrahim , Megat Muhammad Ikhsan Bin Megat Hasnan , Chai Chang Yii (2024) , Towards Enhancing Power System Protection In Distribution Systems With Distributed Generation: A Graph Theory-based Systematic Relay Placement Approach

6.

Chai Chang Yii , Liau Chung Fan , Muhammad Nur Afnan Bin Uda , Yoong Hou Pin (2024) , Comparative Analysis Of Segmented Correlation Trimmed Mean Algorithm For Locating Random And Static Partial Discharges In Power Cables

7.

Megat Muhammad Ikhsan Bin Megat Hasnan , Chai Chang Yii , Herwansyah Bin Lago , Ahmad Razani Bin Haron , Pungut Bin Ibrahim (2024) , Potential Of Oil Mixture Of Palm Oil And Mineral As Future Transformer Oil

8.

Nur Aqilah Binti Mohamad , Megat Muhammad Ikhsan Bin Megat Hasnan , Hazlihan Bin Haris , Chai Chang Yii , Ahmad Razani Bin Haron , Pungut Bin Ibrahim , Herwansyah Bin Lago (2024) , Investigation Seebeck Effect Of Industrial High Voltage Transformer Oil Towards Industrial Insulator Oil Condition Detection

9.

Herwansyah Bin Lago , Chai Chang Yii (2023) , A Comparison Of Double-end Partial Discharge Localization Algorithms In Power Cables

10.

Ismail Saad , Chai Chang Yii , Nur Aqilah Binti Mohamad , Megat Muhammad Ikhsan Bin Megat Hasnan , Kenneth Teo Tze Kin (2023) , Fault Localization On Power Cables Using Time Delay Estimation Of Partial Discharge Signals


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