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.

This guide explores the wiring methods for Guchen 12V electric AC compressors, focusing on 3-speed rotary switch and PWM control models. It explains the differences in wiring, step-by-step instructions for both methods, and answers common questions about compressor performance and control.

This article explores the critical stages of pre-charging, where Guchen Industry's advanced pre-charging resistor modules protect the compressor and battery from current surges, the simultaneous high-voltage and low-voltage power supply phase, and the CAN communication-based command execution.

Electric compressors feature two connectors: a low-voltage side and a high-voltage side. Low-voltage side is equipped with 6 (or 8) pins, with 4 pins dedicated to CAN communication. High-voltage side features two main pins for the high-voltage power supply positive and negative, along with high-voltage interlock pins.