Market prospects and trends: The photovoltaic industry is a new energy industry that encourages the development of the world, and it is also an integral part of the strategic emerging industries supported by various countries.In the context of climate change, energy crises, and repeated epidemics, countries around the world attach great importance to sustainable development and vigorously support the transformation of green and low-carbon energy. Driven by technological breakthroughs in renewable energy and policy tools, the scale of the global photovoltaic market has maintained a good development trend.

Standard introduction：

• NB/T 32004 PHOTOVOLTAIC grid-connected inverter technical specifications

Market prospects and trends: There is not enough time to carry out changes in the energy structure in a short period of time, and the pace of carbon neutrality will gradually accelerate in the future.As an important means to achieve carbon neutrality in the future, wind and solar energy are unstable and easy to impact the power grid, and the pace of commercial application is slow. The emergence of energy storage in the future will solve these disadvantages on the power generation side.

Standard introduction：

• GB/T 34120-2017 Technical specifications for energy storage converters for electrochemical energy storage systems

• IEC62133 Energy storage battery safety performance standard

• UL9540 energy storage system safety performance standard

• GB/T 34131-2023 Battery management system for power energy storage

Market prospects and trends: New energy vehicles have ushered in rapid development in major economies, but as the most important energy replenishment infrastructure, the rapid increase in sales and ownership of new energy vehicles has also put forward urgent needs for the development of charging piles.

Standard introduction：

• IEC61851 Electric vehicle conductive charging system Part 1: General requirements

• IEC62752 In-cable control and protection device (IC-CPD) for electric road vehicle mode 2 charging

• IEC62955 Residual DC detection device (RDC-DD) for electric vehicle mode 3 charging

• UL2231 Electric vehicle power supply circuit safety personnel protection system standard: Special requirements for protection devices for charging systems

• GB_T 18487.1 Electric vehicle conduction charging system Part 1: General requirements

• GB/T 41589 Electric vehicle mode 2 charging cable control and protection device (IC-CPD)

• GB/T 40820 Electric vehicle mode 3 DC residual current detection appliance for charging (RDC-DD)

As an important part of modern urban transportation, rail transit has broad market prospects and strong development trends.In my country, the national policy has given strong support to the development of the urban rail transit industry, which is of great significance to promote the urbanization process of my country and optimize the transportation structure.With the continuous acceleration of urbanization, the problem of urban traffic congestion is becoming more and more serious. With its large capacity and high efficiency, rail transit has become an effective way to solve urban traffic problems.In addition, rail transit can effectively alleviate air pollution and reduce urban road pressure, helping to achieve green travel and sustainable development.Therefore, my government regards rail transit as a key development area, increases investment and promotes industrial technological innovation to meet the people's expectations for a better life.