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Industrial control systems are the core of modern manufacturing, and their stable operation is directly related to production continuity, equipment safety, and product quality. Switching Power Supplies, as the critical power supply units for industrial control systems, are responsible for providing stable and reliable DC power to devices such as Programmable Logic Controllers (PLCs), servo drives, industrial robots, Human-Machine Interfaces (HMIs), and various sensors and actuators. Compared to commercial-grade power supplies, industrial-grade Switching Power Supplies require a precise balance in design between conversion efficiency, power density, cost control, and environmental adaptability to meet the specific requirements of industrial sites.

This paper will systematically analyze the core technical characteristics of dedicated switching power supplies suitable for photovoltaic (PV) energy storage systems, as well as their key technical requirements in typical application scenarios.

With the acceleration of urbanization, building an efficient, green, and intelligent transportation system has become a core issue. As the core of modern power electronics, switching power supply technology, with its high efficiency, high power density, and excellent controllability, has deeply penetrated into all aspects of urban transportation.

This paper systematically analyzes the core architecture, key technical challenges, and future development trends of switching power supply technology in the field of electric vehicle charging, with a focus on exploring the power supply topology, efficiency optimization strategies, and system integration solutions of on-board chargers (OBCs) and DC charging piles.

This paper aims to systematically elaborate on the safety key points and precautions for switching power supplies throughout their entire life cycle, including selection, installation, operation, and maintenance. Adhering to this specification is a prerequisite for ensuring stable energy supply to equipment and achieving its long-term, reliable, and safe operation.