This article reviews the latest industrialization progress and highlights key technologies such as vapor injection, optimized compressor design, lubricant compatibility, electronic expansion valve adaptation, and advanced safety monitoring, positioning R290 as a leading refrigerant choice for next-generation EV heat pump systems.

This article provides a comprehensive overview of R290's chemical properties, safety considerations, applications, and key development highlights from leading global automotive suppliers and OEMs, including Dongfeng Motor, Guchen Industry, Highly, MAHLE, Valeo, and others. The rapid progress in R290-compatible components reflects the industry's commitment to sustainable, next-generation automotive thermal management solutions.

As electric vehicles evolve toward higher voltage platforms like 800V for long range and fast charging, ensuring the electrical safety of key high-voltage components—such as electric compressors—is critical. This article outlines the design goals, typical failure causes, and proven technical solutions to address insulation resistance, leakage current, HVIL integrity, controller waterproofing, and EMC issues. It also provides practical design recommendations for both motor and controller insulation, discharge mechanisms, and grounding strategies to enhance the operational safety and reliability of electric compressors in various harsh operating conditions.

This article provides essential installation tips for Guchen high-voltage compressors used in EV air conditioning systems. Topics include mounting orientation, refrigerant oil handling, grounding, bolt torque specifications, and best practices to ensure efficiency and longevity.

Guchen Electric is a leading innovator in electric compressor technology for new energy vehicles, offering a comprehensive product lineup from low-voltage to ultra-high-voltage platforms. With cutting-edge R&D, a commitment to environmental sustainability, and flexible customization capabilities, Guchen delivers industry-leading solutions that enhance vehicle performance, safety, and energy efficiency.

This article provides an in-depth overview of the heat pump air conditioning technology used in BYD’s electric vehicles, particularly in the Dolphin model. The heat pump system efficiently manages both cooling and heating functions, with a focus on energy conservation.