电动汽车充电设施现场电磁兼容特性及防护技术研究

Research on Electromagnetic Compatibility Characteristics and Protective Technology of on-site Electric Vehicle Charging Facility

摘要:

随着电动汽车快速发展，电动汽车充电设施的市场规模及需求日益扩大，充电设施的安全可靠性越来越受到重视。可靠的电磁兼容性能是电动汽车充电设施现场安全可靠运行的必备条件，研究充电设施现场电磁兼容特性及防护技术，做好充电设施现场电磁兼容防护，保证充电设施的安全可靠性，对推动电动汽车发展具有重要意义。根据电动汽车充电设施现行电磁兼容标准，研究充电设施现场电磁兼容测试方法，选择典型充电站进行现场测试，分析充电设施现场电磁干扰特性，并提出电磁干扰抑制与防护措施。充电机产生的谐波干扰是现场主要的电磁兼容问题，采用集中治理与分散治理相结合的方式或者选用具备APFC功能的充电机,能有效解决现场谐波干扰问题。在充电设施开发建设过程中，充分重视充电设施的电磁干扰抑制与防护，提高充电设施电磁兼容性能，是充电设施安全运行的根本保证。

Abstract:

Reliable EMC is a prerequisite for the safe operation of EV charging facilities. According to the current EMC standards of EV charging facilities, on-site EMC test methods of EV charging facilities are studied, typical EV charging stations are choosed to conduct on-site tests, on-site EMI characteristics of EV charging facilities are analyzed, EMI suppression and protection measures for EV charging facilities are put forward.