Hello, I'm

Wang ZHANG

Electrical Engineering Graduate

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About Me
My Intro

About Me

M.Sc.

EEE @HKU

B.Eng.

EE @SCUT

Location

Guangdong

I hold a Master's degree in Electrical and Electronic Engineering from The University of Hong Kong. In 2024, I obtained my Bachelor's degree in Electrical Enginnering and Automation at South China University of Technology.

My Profile

Relevant Experience

Research Internships Competitions Activities All

Small-signal Modeling and Stability Analysis
of Grid-connected PV Inverter

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Master's Dissertation

  Under the guidance of Dr. Y. C. Cheng and Prof. S. C. Chan, my study focused on developing a small-signal model of grid-following PV inverters by incorporating precise subsystem dynamics, such as those of synchronous generators, excitation systems, and power system stabilizers in MATLAB/Simulink to enhance the accuracy of stability analysis. Through eigenvalue analysis, participation factor analysis, and root locus methods, I identified critical oscillation modes and key parameters affecting system stability.

  • I gained an understanding of inverter control methods.

  • I successfully passed with A-.

Fortune and Future Hong Kong Limited
Administrative Department

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Administrative Intern

  I Provided general administrative support by assisting in collecting, analyzing and summarizing the company's inventory and various documents, realized the electronization of data and information to improve administrative efficiency; participated in evaluating existing administrative processes, formulated SOP schemes for different duties and assisted in their implementation to standardize work procedures, and offered comprehensive clerical and operational support throughout the process.

  • I strengthened complex information handling and cost-efficiency skills.

  • I developed teamwork and communication abilities.

  • I enhanced MS Office proficiency in data processing and report preparation.

Optimal Design for Multi-level Energy
Unit Based on Hydrogen Storage

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Undergraduate Thesis

  Under the guidance of Prof. Jiehui ZHENG, I conducted a study on a multi-stage hydrogen energy storage system. The research begins with a literature review and analysis of energy storage methods and their capacity allocation algorithms. Then, I conducted mathematical modeling for the system's three main modules: the power grid, thermal energy grid, and gas grid, which include hydrogen storage, methane synthesis units, and renewable energy generation. Considering factors including system operation and maintenance cost as well as carbon emission cost, I optimized the system's capacity allocation and operational strategies using the Gurobi solver. Finally, by comparing it with traditional energy storage scenarios, I analyzed the advantages of the established system in terms of comprehensive benefits and low carbon emissions.

  • I am familiar with the formulation and solving of sizing and siting planning optimization problems.

  • I successfully passed the defence.

Winter Program 2024 - TMU

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Japanese Language & Culture

  The 3-week intensive program focused on Japanese language (CEFR B1) and cultural enrichment through lectures, workshops, and field studies.
  Activities included Wagashi (Japanese sweets) making, Chadō (tea ceremony), Shogi (Japanese chess), Mochi pounding, creating food samples, and Rakugo (Japanese storytelling), etc.

  • I developed basic Japanese and immersed in local culture.

  • I interacted with peers worldwide.

  • I coordinated a group presentation.

Xinhui Shuangshui Power Plant Co., Ltd.
Equipment Maintenance Department

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Electrical Engineering Intern

  During a month-long internship at thermal power plant, I assisted with the maintenance of primary equipment like turbines and generators, and supported the upkeep of relay protection and communication devices.

  • I gained hands-on experience in power generation.

  • I learned about actual production procedures and protocols.

  • I collaborated harmoniously with colleagues.

Power Electronics Enabling Renewable
Energy

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Online Research 2023

  Under Prof.Pohchiang LOH's guidance from CUHK, we tackled topics like H4, H5, and HERIC inverter modulations, leakage currents due to parasitic capacitance, NPC multi-level inverters, and design of boost and filtering circuits. Additionally, we explored isolated inverter analysis and control strategies including PI controllers and PLL.

  • I acquired theoretical knowledge on PV inverter grid integration.

  • I gained simulation experience in power electronics.

  • Accepted a conference paper as the single first author.

The Mathematical Contest in Modeling
Spring 2023

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Mathematical Modeler

  We developed a mathematical model to estimate used sailboat prices by analyzing a dataset of 3500 sailboats from various regions. This involved examining factors that influence prices, such as boat features and regional economic data. Our analysis delved into the regional effects on pricing and applied these insights to the Hong Kong market. The project resulted in a detailed report with graphics to aid a broker's understanding of market dynamics.

  • I enhanced data analysis and visualization process.

  • I improved teamwork and collaboration abilities.

  • Designated as Successful Participant.

Small Signal Stability Analysis of PMSG-
VSG Integrated Power System

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SCUT Student Research Project
2022-2023

  Under Prof.Lin ZHU's guidance, our group analyzed wind turbine control technology's impact on grid stability, focusing on small disturbance stability in new power systems. We utilized MATLAB/Simulink to create models, including a single-machine infinite synchronous generator and a three-machine nine-node setup. Then we moved on to combine a wind turbine, inverter and synchronous generator together to study their stability under introducing small disturbance signals. We obtained power flow via BPA and PSCAD simulation according to actual grid node data, and study proposed modle using eigenvalue and FFT analysis. Besides, we tried to refine its grid-tied inverter by adjusting control loops and phase-locked loop.

  • I gained insights into wind turbine control and its impact on grid stability.

  • I developed skills in MATLAB/Simulink for power system modeling.

  • We compiled a report and successfully passed with a high score.

China Undergraduate Mathematical
Contest in Modeling 2022

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Mathematical Modeler

  We focused on the problem "Analysis and Identification of Ancient Glass Artifacts". The study classified artifacts into high potassium and lead-barium glass, examining their chemical compositions to understand surface weathering, types, decorations, and colors. We applied statistical analysis and predictive modeling to identify patterns and origins of unknown samples, contributing to the knowledge of their historical context and manufacturing techniques.

  • I improved proficiency in using data analysis and simulation tools.

  • I cultivated the ability to research efficiently.

  • Awarded The Second Prize in Guangdong Contest District.

The 15th Science Competition on Energy
Conservation and Emission Reduction

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Principal Team Member

  Our project focused on the optimized operation and economic dispatch of a wind-solar-thermal complementary new energy ship microgrid. We analyzed distributed power sources (wind power, photovoltaic power, and OCR ship waste heat recovery) and energy storage batteries (lithium batteries for peak shaving and valley filling) within the Simulink environment, building a corresponding simulation model to analyze the grid's stability. Then, we optimized it with a particle swarm algorithm to balance economic and environmental benefits, and to reduce emissions.

  • I acquired practical experience in constructing physical models to validate theoretical simulations.

  • I gained experience in technical writing and presentation.

  • Awarded The Third Prize at the school level (SCUT)

Summer School 2021 - CUHK

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Reading Nature

  The course was guided by Dr.Winghung WONG, which covered three main themes: the exploration of the physical universe, the world of life, and human understanding. During the course, we studied classic works such as Plato's The Republic, Newton's Mathematical Principles of Natural Philosophy, Darwin's On the Origin of Species and Kandel's In Search of Memory to explore the intellectual pursuit across various natural sciences.

  • I deepened comprehension of scientific implications.

  • I enhanced discussion skills and personal viewpoints.

  • I developed critical thinking skills.

School of Electrical Power's Football Match

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As the Left Side Back

  Our team's journey from the preliminaries to the finals spanned several months in 2020, highlighting our ability to face challenges head-on. Throughout the competition, our teamwork and strategic play were key to advancing through each round. On a personal level, I focused on defense while also supporting attacks and ensuring seamless communication with my teammates.

  • I enhanced my discipline and self-regulation.

  • I strengthened my communication and teamwork abilities.

  • We attained the runner-up position.

My abilities

Skills

Tools

Matlab/Simulink

Intermediate

C++

Basic

Python

Intermediate

Office

Advanced

LaTeX

Intermediate

CAD

Basic

Languages

Cantonese

Native

English

IELTS 6.5(Overall)

Mandarin

Native
Get in touch

Contact Me

Email

eezhangw@gmail.com Write me

Whatsapp

+852-59560355 Write me