地铁供电系统谐波的分析及治理

从谐波的定义、谐波的国家标准、地铁供电系统谐波产生的原因、谐波对供电系统各设备的危害等方面分析了谐波治理的必要性。根据西安地铁供电系统的谐波治理方案,介绍了低压有源电力滤波器在谐波治理中的应用。通过仿真试验和理论分析,验证了治理方案的可行性,保证了供电系统的电能指标满足国家标准。

Analysis and Government on Harmonic Wave in Subway Power Supply System

The necessity to govern the harmonic wave is analyzed from the aspects of the definition,national standards,procreant reasons and the harms of harmonic wave to various equipments in subway power supply system.According to the government plan of harmonic wave in Xi’an subway supply system,the application of low pressure active electric power filter in the harmonic wave government is introduced.Through a simulation and the theoretical analysis,the feasibility of the government plan is confirmed,which will guarantee the guide line of electrical energy to satisfy national standards.