摘要
牵引变压器的介电试验验证其绝缘水平是否满足相关标准和设计文件的要求,对保证牵引变压器的安全运行至关重要。介电试验包括耐受全波冲击电压试验、耐受工频电压试验和耐受感应电压试验等3项。探讨3项介电试验中试验电压、试验频率和试验持续时间等参数的选择依据和选择方法,给出介电试验的试验方法和接线图,为试验人员设计试验方案、正确进行试验提供理论依据。
The dielectric test on traction transformer verifies whether its insulation level can meet relevant standardsand design documents,which is vital for the safe operation of traction transformer.The dielectric test includes suchthree items as the full-wave impulse voltage withstand test,the power frequency voltage withstands test and the in-duced voltage withstand test.The article discusses the basis and approaches to select test voltage,test frequency andtest duration,etc.in these three dielectric tests.It specifies the dielectric test methods and wiring diagrams,thusproviding a theoretical basis for the test personnel to design a test scheme and conduct the test properly.
出处
《铁道技术监督》
2018年第7期14-17,共4页
Railway Quality Control
关键词
牵引变压器
介电试验
耐受全波冲击电压试验
耐受工频电压试验
耐受感应电压试验
绝缘强度
Traction Transformer
Dielectric Test
Full-wave Impulse Voltage Withstand Test
Power FrequencyVoltage Withstand Test
Induced Voltage Withstand Test
Insulation Strength
