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电能质量一直是用户和电气设计师所关注的问题,因为其会直接影响供电系统及设备的正常运行,特别是对诸如大型现代交通建筑等对电能质量较为敏感的项目。而电能质量中有关谐波及电压骤降问题时常会为建筑电气设计师所忽略,或者真正意义上的治理与消除常会出现不少问题,也较难达到理想效果。本文主要就现代交通建筑中,谐波及电压骤降所造成的主要危害及治理对策进行探讨。
Power quality has always been a concern for users and electrical designers as it has a direct impact on the proper operation of power supply systems and equipment, especially for power quality-sensitive projects such as large modern transport buildings. The power quality problems related to harmonics and voltage sag often overlooked by architectural electrical designers, or in the real governance and elimination of many problems, but also more difficult to achieve the desired results. In this paper, the main hazards caused by the harmonics and voltage sags and the countermeasures to deal with them are discussed in the modern traffic construction.