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.

The parallel configuration of electric scroll compressors in EV air conditioning systems introduces both challenges and opportunities. This article examines key technical factors, including compressor selection, lubrication management, pipeline design, vibration reduction, and electrical synchronization. It also explores commissioning procedures, refrigerant charge optimization, high-load testing, and system calibration. By integrating intelligent protection and predictive maintenance strategies, manufacturers can improve energy efficiency, enhance reliability, and extend the lifespan of electric vehicle compressors.

This article explains the working principle of electric air conditioning compressors in EVs, focusing on scroll technology, efficient compression, and advanced control systems that ensure reliable and quiet operation.