(The following topics include but are not limited to)
Theme 1: Green Energy
Solar power generation technology
Wind power generation system
Hydroelectric power generation technology
Biomass energy utilization
geothermal power generation 
Ocean energy generation technology
Hydrogen and Fuel Cell 
Development of energy storage technology
Distributed Energy System
Renewable energy grid connection technology
Research on Green Energy Policies
Analysis of Green Energy Economy
Green energy technology innovation
Green energy industry chain
International Cooperation on Green Energy
Green Energy Standard Certification
Green Energy Project Management
Green energy investment and financing
Topic 2: Mechanical Engineering
Mechanical Design of New Energy Equipment
Design of Wind Turbine Generator System
Solar tracking agency
Design and Optimization of Water Turbine
Mechanical Design of Hydrogen Energy Equipment
Mechanical design of energy storage equipment
Dynamics analysis of new energy equipment
Structural strength of new energy equipment
Reliability of new energy equipment
Manufacturing process of new energy equipment
New energy equipment assembly technology
Lubrication and sealing of new energy equipment
Vibration control of new energy equipment
Noise Control of New Energy Equipment
New energy equipment status monitoring
Fault diagnosis of new energy equipment
Life prediction of new energy equipment
Digital Design of New Energy Equipment
Topic 3: Power Equipment
Overall design of power equipment
Generator and Electric Motor
Transformers and reactors
Switchgear and Circuit Breakers
Transformers and capacitors
Lightning arrester and insulator
Power cables and accessories
Gas insulated metal enclosed switch
Power electronic equipment
Reactive power compensation equipment
Filtering equipment
Energy storage equipment
Charging station equipment
Intelligent power equipment
Power equipment status monitoring
Fault diagnosis of power equipment
Reliability assessment of power equipment
Life prediction of power equipment
Maintenance strategy for power equipment
Life cycle management of power equipment
Digitalization of power equipment