I hold a Ph.D. from Harbin Institute of Technology and completed postdoctoral research at Tsinghua University. I previously worked for two global technology leaders, Emerson and Huawei, where I gained extensive experience in power electronics, power systems, and data center power distribution solutions.
We specialize in the design and development of customized engineering solutions, including: Power Supplies • Solar Power • Wind Energy • Transformers • Motor Drives • Power Distribution Systems. Whether you have an innovative idea or a specific technical requirement, our team is committed to delivering reliable, efficient, and cost-effective solutions tailored to your needs.
Our partners and manufacturing resources are based in Shenzhen. I lead the development of an AI-driven platform for electrical engineering.
Positions Held:
R&D Engineer | Project Manager | System Engineer | General Manager
Obtained multiple patents in related fields.
Key Responsibilities and Achievements:
• Worked as an R&D Engineer designing advanced power converter systems, with expertise in high-performance power electronics, converter topologies, and power conversion system design.
• Led the development of industrial power supply systems, serving as both an R&D Engineer and Project Manager throughout the full product lifecycle—from concept development and system design to prototyping, testing, and production.
• Managed renewable energy R&D projects involving the research, development, installation, testing, and maintenance of 690 V / 1.5 MW doubly-fed and direct-drive wind power converter systems, as well as power distribution system design. Led the design and construction of an OSHA-compliant wind power inverter laboratory for system testing and validation.
• Served as a System Engineer responsible for the engineering, installation, construction support, commissioning, integration, and field deployment of medium- and low-voltage Variable Frequency Drive (VFD) product families rated from 220 kW to 8 MW (3 kV, 6 kV, and 10 kV). Provided on-site technical support for system installation, equipment setup, testing, startup, and field troubleshooting to ensure successful project execution. PMP certified.
Led the engineering and field implementation of medium- and low-voltage electrical systems, including motor control centers (MCCs), control panels, and industrial automation systems. Performed system-level modeling and simulation using Saber to support design validation and field performance verification. Led the planning, construction, equipment installation, and commissioning of an OSHA-compliant high-power VFD testing laboratory.
• As Head of the Pre-Research Department, led cross-functional teams responsible for technology scouting, and the development of next-generation products and systems. Oversaw departmental operations, including technology strategy, talent acquisition, performance management, budget planning, and long-term roadmaps.
Positions Held:
Power System Engineer | Electrical Construction Engineer
Obtained multiple patents in related fields.
Key Responsibilities and Achievements:
• Served as a System Engineer (SE) responsible for the planning, design, installation, commissioning, and manufacturing support of 6 kV/2.4 MW Variable Frequency Drive (VFD) systems and related product families. Led the engineering and implementation of medium- and low-voltage power distribution systems, motor control centers (MCCs), electrical control panels, and industrial automation systems. Drove key technical improvements to enhance system reliability, cost-effectiveness, and overall product competitiveness. Also led the planning, design, construction, and commissioning of medium- and low-voltage VFD testing laboratories.
• Served as a System Engineer (SE) responsible for the engineering, installation, commissioning, maintenance, and technical support of 400 kVA Uninterruptible Power Supply (UPS) systems. Performed Failure Mode and Effects Analysis (FMEA), root cause analysis, and comparative technical evaluations to improve system reliability, maintainability, and field performance.
• Served as a System Engineer (SE) responsible for the engineering, installation, construction support, and commissioning of 2 MW data center infrastructure projects. Developed end-to-end technical solutions covering 35 kV substations, standby generators, transformers, medium- and low-voltage power distribution and switchgear, UPS systems, battery systems, PDUs, IT critical loads, and cooling systems. Prepared engineering drawings and construction documentation using AutoCAD, and provided technical support throughout installation, system integration, testing, and project delivery.
• Designed a 330 V DC / 140 kW electric motor drive system for an electric vehicle. Conducted competitive benchmarking analysis and developed system-level product design proposals and architecture.
• Served as General Manager and Team Leader, while also managing multiple key projects as Project Manager. Experienced in leading cross-functional teams, driving project execution, and overseeing end-to-end delivery.
Positions Held:
Electrical Test Engineer | Quality Assurance (QA)
Key Responsibilities and Achievements:
• Performed daily, monthly, and annual testing and calibration of clinical linear accelerators. Executed case-by-case QA testing, treatment plan evaluation, and medical physics planning support.
• Maintained a strong focus on quality assurance and system safety, with 3 years of experience in QA operations.
Positions Held:
Electrical Engineering Trainer | System Engineer
Key Responsibilities and Achievements:
• Technical training and lectures to engineers on power distribution systems, data center infrastructure, and renewable energy technologies.
• Supported development and evaluation of customized power electronics and micro-scale electromechanical systems for application-specific solutions.
Research & analysis of technologies for industrial, energy, and data center applications. Component selection, electrical calculations, circuit design, PCB layout, prototyping, testing, and technical documentation for power electronic systems.
From concept to prototype, we provide customized engineering solutions for power supplies, solar power systems, wind energy systems, motor drives, and related power electronics products. No project is too small. We work closely with our clients to transform ideas into working solutions.
We offer pilot production services for power supplies, renewable energy systems, motor drives, and other power electronics products. From engineering samples to pre-production units, we help clients verify designs, optimize performance, and prepare for commercial manufacturing.
We support the manufacturing of custom power supplies, renewable energy systems, motor drives, and other power electronics products. Whether you require small-batch production or high-volume manufacturing, our focus remains on quality, reliability, and continuous improvement.
Design and supply of custom magnetic components, including transformers, inductors, reactors, and filters, as well as custom capacitors and other power electronic devices. We support both custom-engineered solutions and standard component sourcing for industrial, energy, and power conversion applications.
We are committed to providing responsive and reliable support whenever you need assistance. Whether you have technical questions, project updates, or service requests, our team is ready to help. Your success is our priority, and we strive to build long-term partnerships through exceptional service and support.
1. Topology Classification
For the calculation of the Inductance of the chokes to be used to parallel the two inverters, we take into consideration the following two possibilities:
Nonload
THDu=0.39%/0.36%/0.35%
Circulating current=4.44A
100kVA rectifier load (Acf=3)
THDu=1.62%/1.59%/1.56%
Current Unbalance Degree =0.72%
Current CH2-MOD#2 Current
100% resistive load
THDu=0.45%/0.50%/0.37%
Current Unbalance Degree =1.53%
100% standard rectifier
THDu=1.34%/1.20%/1.31%
Current Unbalance Degree =1.12%
SHENZHEN ECOWATT POWER CO.,LTD
A national high-tech enterprise that integrates product Research and Development, manufacturing, sales and service Industrial ups leaders.
New Power Electronics Product Development
Design and develop new smart large power charging technology and product for industrial manufacturing.
New Power Electronics Technology Pre-Research
New flexible universal multiple levels topology for small, large power and low or high voltage in renewable energy.
